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  • 1.
    Ahn, Henrik Casimir
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Holm, Jonas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Najar, Azad
    Scandinavian Real Heart AB, Vasteras, Sweden.
    Hellers, Goran
    Scandinavian Real Heart AB, Vasteras, Sweden.
    Szabó, Zoltán
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    A New Total Artificial Heart Concept Allowing Replacement or Support of the Native Heart2018Ingår i: Journal of Clinical & Experimental Cardiology, E-ISSN 2155-9880, Vol. 9, nr 2, artikel-id 1000569Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    A total artificial heart (TAH) is typically used to bridge the time to heart transplantation. A device designed by Robert Jarvik has been improved through the years and under the name of Syncardia™ this has been the most successful commercially available TAH so far. Since 2008 the Carmat™ heart has been under development in Europe. The Scandinavian Real Heart™ is based on a unique physiological concept where the atrio-ventricular valve plane is of utmost importance in the pumping function of the heart. It consists of two identical parts driven separately by independent motors and in this first animal study we have used one part as a left ventricular assist device. This new concept makes the device flexible as it may be used not only as a TAH but also as a separate pump for left or right ventricular assist.

  • 2.
    Holm, Jonas
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för medicin och hälsa. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Blandvenös saturation som prognostiskt instrument hos patienter opererade för aortastenos2007Ingår i: Svenska Thoraxmötet,2000, 2007Konferensbidrag (Övrigt vetenskapligt)
    Abstract [sv]

       

  • 3.
    Holm, Jonas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Markers of hemodynamic state and heart failure as predictors for outcome in cardiac surgery: with special reference to mixed venous oxygen saturation and natriuretic peptides2013Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
    Abstract [en]

    Postoperative heart failure or low cardiac output syndrome is the major cause for morbidity and mortality in cardiac surgery. Unfortunately commonly used methods to assess hemodynamic state and heart failure are not well documented with regard to outcome. The aim for this dissertation was to study the predictive values of postoperative Mixed Venous Oxygen saturation (SvO2) and preoperative NT-proBNP for outcomes related to postoperative heart failure.

    SvO2 was studied retrospectively in two cohorts of patients, one cohort operated with isolated Aortic Valve Replacement (AVR) for aortic stenosis, (n=396) and one operated with isolated Coronary Artery Bypass Grafting (CABG), (n=2755). SvO2 measured early after surgery, on admission to the intensive care unit (ICU), predicted postoperative morbidity and mortality. Our results suggest that, on admission to ICU SvO2 < 55 - 60% after AVR and SvO2 < 60% after CABG merits increased attention.

    Preoperative NT-proBNP was studied in a cohort of patients with acute coronary syndrome (ACS) undergoing CABG with or without concomitant procedure. These patients (n=383) were included prospectively and evaluated with regard to mortality and severe circulatory failure postoperatively by an end-points committee blinded to NT-proBNP results. Preoperative NT-proBNP ≥ 1028 ng/L independently predicted increased risk for severe circulatory failure postoperatively in patients with ACS undergoing isolated CABG. Preoperative NT-proBNP provided additional prognostic information to EuroSCORE II in this cohort, particularly in patients at intermediate risk. Preoperative NT-proBNP appears to be markedly higher in patients having CABG with concomitant procedures than in patients undergoing isolated CABG. Further studies are warranted to identify preoperative NTproBNP risk thresholds for different heart conditions and surgery-specific cohorts.

    In conclusion this dissertation shows that:

    • Postoperative SvO2 on admission to ICU is a prognostic marker for morbidity and mortality after AVR and CABG.
    • Preoperative NT-proBNP ≥ 1028 ng/L independently predicts severe circulatory failure postoperatively in patients undergoing isolated CABG and provides additional prognostic information to EuroSCORE II.
    • The high negative predictive value of the identified cutoff levels for preoperative NTproBNP and postoperative SvO2 could be useful for pre and postoperative decisionmaking.
    Delarbeten
    1. Mixed venous oxygen saturation is a prognostic marker after surgery for aortic stenosis
    Öppna denna publikation i ny flik eller fönster >>Mixed venous oxygen saturation is a prognostic marker after surgery for aortic stenosis
    2010 (Engelska)Ingår i: ACTA ANAESTHESIOLOGICA SCANDINAVICA, ISSN 0001-5172, Vol. 54, nr 5, s. 589-595Artikel i tidskrift (Refereegranskat) Published
    Abstract [en]

    Background Adequate monitoring of the hemodynamic state is essential after cardiac surgery and is vital for medical decision making, particularly concerning hemodynamic management. Unfortunately, commonly used methods to assess the hemodynamic state are not well documented with regard to outcome. Mixed venous oxygen saturation (SvO(2)) was therefore investigated after cardiac surgery. Methods Detailed data regarding mortality were available on all patients undergoing aortic valve replacement for isolated aortic stenosis during a 5-year period in the southeast region of Sweden (n=396). SvO(2) was routinely measured on admission to the intensive care unit (ICU) and registered in a database. A receiver operating characteristics (ROC) analysis of SvO(2) in relation to post-operative mortality related to cardiac failure and all-cause mortality within 30 days was performed. Results The area under the curve (AUC) was 0.97 (95% CI 0.96-1.00) for mortality related to cardiac failure (P=0.001) and 0.76 (95% CI 0.53-0.99) for all-cause mortality (P=0.011). The best cutoff for mortality related to cardiac failure was SvO(2) 53.7%, with a sensitivity of 1.00 and a specificity of 0.94. The negative predictive value was 100%. The best cutoff for all-cause mortality was SvO(2) 58.1%, with a sensitivity of 0.75 and a specificity of 0.84. The negative predictive value was 99.4%. Post-operative morbidity was also markedly increased in patients with a low SvO(2). Conclusion SvO(2), on admission to the ICU after surgery for aortic stenosis, demonstrated excellent sensitivity and specificity for post-operative mortality related to cardiac failure and a fairly good AUC for all-cause mortality, with an excellent negative predictive value.

    Ort, förlag, år, upplaga, sidor
    Blackwell Publishing Ltd, 2010
    Nationell ämneskategori
    Medicin och hälsovetenskap
    Identifikatorer
    urn:nbn:se:liu:diva-54873 (URN)10.1111/j.1399-6576.2009.02205.x (DOI)000276244700010 ()
    Tillgänglig från: 2010-04-16 Skapad: 2010-04-16 Senast uppdaterad: 2014-01-15Bibliografiskt granskad
    2. Mixed venous oxygen saturation predicts short- and long-term outcome after coronary artery bypass grafting surgery: a retrospective cohort analysis
    Öppna denna publikation i ny flik eller fönster >>Mixed venous oxygen saturation predicts short- and long-term outcome after coronary artery bypass grafting surgery: a retrospective cohort analysis
    2011 (Engelska)Ingår i: British Journal of Anaesthesia, ISSN 0007-0912, E-ISSN 1471-6771, Vol. 107, nr 3, s. 344-350Artikel i tidskrift (Refereegranskat) Published
    Abstract [en]

    Background. Complications of an inadequate haemodynamic state are a leading cause of morbidity and mortality after cardiac surgery. Unfortunately, commonly used methods to assess haemodynamic status are not well documented with respect to outcome. The aim of this study was to investigate SV(O2) as a prognostic marker for short-and long-term outcome in a large unselected coronary artery bypass grafting (CABG) cohort and in subgroups with or without treatment for intraoperative heart failure. less thanbrgreater than less thanbrgreater thanMethods. Two thousand seven hundred and fifty-five consecutive CABG patients and subgroups comprising 344 patients with and 2411 patients without intraoperative heart failure, respectively, were investigated. SV(O2) was routinely measured on admission to the intensive care unit (ICU). The mean (SD) follow-up was 10.2 (1.5) yr. less thanbrgreater than less thanbrgreater thanResults. The best cut-off for 30 day mortality related to heart failure based on receiver-operating characteristic analysis was SV(O2) 60.1%. Patients with SV(O2) andlt;60% had higher 30 day mortality (5.4% vs 1.0%; P andlt; 0.0001) and lower 5 yr survival (81.4% vs 90.5%; P andlt; 0.0001). The incidences of perioperative myocardial infarction, renal failure, and stroke were also significantly higher, leading to a longer ICU stay. Similar prognostic information was obtained in the subgroups that were admitted to ICU with or without treatment for intraoperative heart failure. In patients admitted to ICU without treatment for intraoperative heart failure and SV(O2) andgt;= 60%, 30 day mortality was 0.5% and 5 yr survival 92.1%. less thanbrgreater than less thanbrgreater thanConclusions. SV(O2) andlt;60% on admission to ICU was related to worse short- and long-term outcome after CABG, regardless of whether the patients were admitted to ICU with or without treatment for intraoperative heart failure.

    Ort, förlag, år, upplaga, sidor
    Oxford University Press (OUP), 2011
    Nyckelord
    assessment, patient outcomes, coronary artery bypass grafting, patient monitoring, postoperative complications, survival rates
    Nationell ämneskategori
    Medicin och hälsovetenskap
    Identifikatorer
    urn:nbn:se:liu:diva-70321 (URN)10.1093/bja/aer166 (DOI)000293910400008 ()
    Anmärkning
    Funding Agencies|Östergotlands Läns Landsting||Linköping University Hospital||Tillgänglig från: 2011-09-02 Skapad: 2011-09-02 Senast uppdaterad: 2017-12-08
    3. Preoperative NT-proBNP independently predicts outcome in patients with acute coronary syndrome undergoing CABG
    Öppna denna publikation i ny flik eller fönster >>Preoperative NT-proBNP independently predicts outcome in patients with acute coronary syndrome undergoing CABG
    Visa övriga...
    2013 (Engelska)Ingår i: Scandinavian Cardiovascular Journal, ISSN 1401-7431, E-ISSN 1651-2006, Vol. 47, nr 1, s. 28-35Artikel i tidskrift (Refereegranskat) Published
    Abstract [en]

    Objectives. The predictive value of preoperative N-terminal pro-B-type natriuretic peptide (NT-proBNP) was evaluated in patients with acute coronary syndrome undergoing coronary artery bypass grafting (CABG). Design. As a substudy to a clinical trial 383 patients with acute coronary syndrome undergoing CABG were studied. 17 patients had a concomitant procedure. NT-proBNP was measured immediately preoperatively and evaluated with regard to in-hospital mortality, and severe circulatory failure postoperatively according to prespecified criteria. Follow-up was 3.2 +/- 0.9 years. Results. In patients with isolated CABG, receiver operating characteristics (ROC) analysis showed an area under the curve (AUC) of 0.82 for in-hospital mortality and 0.87 for severe circulatory failure respectively with a best cut-off for preoperative NT-proBNP of 1028 ng/L. This cut-off level independently predicted severe circulatory failure. Patients with NT-proBNP andlt; 1028 ng/L had significantly better long-term survival (p = 0.004). Preoperative NT-proBNP was higher in patients with concomitant procedure than isolated CABG (2146 +/- 1858 v 887 +/- 1635 ng/L; p = 0.0005). In patients with concomitant procedure ROC analysis showed an AUC of 0.93 for severe circulatory failure with a best cut-off for preoperative NT-proBNP of 3145 ng/L. Conclusions. Preoperative NT-proBNP predicted in-hospital mortality, severe circulatory failure postoperatively and long-term survival in patients undergoing surgery for acute coronary syndrome but a higher threshold was found in patients having concomitant procedures.

    Ort, förlag, år, upplaga, sidor
    Informa Healthcare, 2013
    Nyckelord
    acute coronary syndrome, coronary artery bypass grafting, natriuretic peptides
    Nationell ämneskategori
    Medicin och hälsovetenskap
    Identifikatorer
    urn:nbn:se:liu:diva-88661 (URN)10.3109/14017431.2012.731518 (DOI)000313678500004 ()
    Anmärkning

    Funding Agencies|Swedish Heart-Lung Foundation|20030595|Capio Research Foundation|2005-10212006-1203|Linkoping University||Ostergotlands Lans Landsting||

    Tillgänglig från: 2013-02-14 Skapad: 2013-02-14 Senast uppdaterad: 2017-12-06Bibliografiskt granskad
    4. EuroSCORE II and NT-proBNP for risk evaluation: an observational longitudinal study in patients undergoing CABG
    Öppna denna publikation i ny flik eller fönster >>EuroSCORE II and NT-proBNP for risk evaluation: an observational longitudinal study in patients undergoing CABG
    Visa övriga...
    (Engelska)Manuskript (preprint) (Övrigt vetenskapligt)
    Abstract [en]

    BACKGROUND: Postoperative heart failure remains the major cause of death after cardiac surgery. As NT-proBNP is a predictor for postoperative heart failure, the aim was to evaluate if preoperative NT-proBNP could provide additional prognostic information to the recently launched EuroSCORE II.

    METHODS: 365 patients with acute coronary syndrome (ACS) undergoing isolated CABG were studied prospectively. Preoperative NT-proBNP and EuroSCORE II were evaluated with regard to severe circulatory failure postoperatively according to prespecified criteria. To assess what clinical outcomes are indicated by NT-proBNP levels in different risk categories, the patients were stratified according to EuroSCORE II. Based on Reciever Operating Chracateristics (ROC) analysis these cohorts were assessed with regard to preoperative NT-proBNP below or above 1028 ng/L. Follow-up time averaged 4.4 ± 0.7 years.

    RESULTS: Preoperative NT-proBNP ≥ 1028 ng/L (OR 9.9, 95%CI 1.01-98.9;p=0.049) and EuroSCORE II (OR 1.24, 95%CI 1.06-1.46;p=0.008) independently predicted severe circulatory failure postoperatively. In intermediate risk patients (EuroSCORE II 2.0 – 10.0) NT-proBNP ≥ 1028 ng/L was associated with a higher incidence of severe circulatory failure (6.6% vs 0%;p=0.007), renal failure (14.8% vs 5.4%;p=0.03), stroke (6.6 % vs 0.7 %;p=0.03) , longer ICU stay (37±35 vs 27±38 hours; p=0.002) and worse long-term survival.

    CONCLUSIONS: Combining EuroSCORE II and preoperative NT-proBNP appears to improve risk prediction with regard to severe circulatory failure after isolated CABG for ACS. NTproBNP may be particularly useful in patients at intermediate risk according to EuroSCORE II.

    Nationell ämneskategori
    Medicin och hälsovetenskap
    Identifikatorer
    urn:nbn:se:liu:diva-97334 (URN)
    Tillgänglig från: 2013-09-10 Skapad: 2013-09-10 Senast uppdaterad: 2013-09-10Bibliografiskt granskad
  • 4.
    Holm, Jonas
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för medicin och hälsa. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Mixed venous oxygen saturation predicts outcome in AVR2007Ingår i: Scandinavian Association of Thoracic Surgery,2007, 2007Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

      

  • 5.
    Holm, Jonas
    et al.
    Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland. Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet.
    Håkanson, Erik
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxanestesi med intensivvård. Linköpings universitet, Institutionen för medicin och hälsa, Anestesiologi med intensivvård. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Sinnescentrum, Anestesi- och operationkliniken US.
    Vánky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Svedjeholm, Rolf
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Mixed venous oxygen saturation predicts short- and long-term outcome after coronary artery bypass grafting surgery: a retrospective cohort analysis2011Ingår i: British Journal of Anaesthesia, ISSN 0007-0912, E-ISSN 1471-6771, Vol. 107, nr 3, s. 344-350Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background. Complications of an inadequate haemodynamic state are a leading cause of morbidity and mortality after cardiac surgery. Unfortunately, commonly used methods to assess haemodynamic status are not well documented with respect to outcome. The aim of this study was to investigate SV(O2) as a prognostic marker for short-and long-term outcome in a large unselected coronary artery bypass grafting (CABG) cohort and in subgroups with or without treatment for intraoperative heart failure. less thanbrgreater than less thanbrgreater thanMethods. Two thousand seven hundred and fifty-five consecutive CABG patients and subgroups comprising 344 patients with and 2411 patients without intraoperative heart failure, respectively, were investigated. SV(O2) was routinely measured on admission to the intensive care unit (ICU). The mean (SD) follow-up was 10.2 (1.5) yr. less thanbrgreater than less thanbrgreater thanResults. The best cut-off for 30 day mortality related to heart failure based on receiver-operating characteristic analysis was SV(O2) 60.1%. Patients with SV(O2) andlt;60% had higher 30 day mortality (5.4% vs 1.0%; P andlt; 0.0001) and lower 5 yr survival (81.4% vs 90.5%; P andlt; 0.0001). The incidences of perioperative myocardial infarction, renal failure, and stroke were also significantly higher, leading to a longer ICU stay. Similar prognostic information was obtained in the subgroups that were admitted to ICU with or without treatment for intraoperative heart failure. In patients admitted to ICU without treatment for intraoperative heart failure and SV(O2) andgt;= 60%, 30 day mortality was 0.5% and 5 yr survival 92.1%. less thanbrgreater than less thanbrgreater thanConclusions. SV(O2) andlt;60% on admission to ICU was related to worse short- and long-term outcome after CABG, regardless of whether the patients were admitted to ICU with or without treatment for intraoperative heart failure.

  • 6.
    Holm, Jonas
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet.
    Håkanson, R Erik
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Vánky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Svedjeholm, Rolf
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Mixed venous oxygen saturation is a prognostic marker after surgery for aortic stenosis2010Ingår i: ACTA ANAESTHESIOLOGICA SCANDINAVICA, ISSN 0001-5172, Vol. 54, nr 5, s. 589-595Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background Adequate monitoring of the hemodynamic state is essential after cardiac surgery and is vital for medical decision making, particularly concerning hemodynamic management. Unfortunately, commonly used methods to assess the hemodynamic state are not well documented with regard to outcome. Mixed venous oxygen saturation (SvO(2)) was therefore investigated after cardiac surgery. Methods Detailed data regarding mortality were available on all patients undergoing aortic valve replacement for isolated aortic stenosis during a 5-year period in the southeast region of Sweden (n=396). SvO(2) was routinely measured on admission to the intensive care unit (ICU) and registered in a database. A receiver operating characteristics (ROC) analysis of SvO(2) in relation to post-operative mortality related to cardiac failure and all-cause mortality within 30 days was performed. Results The area under the curve (AUC) was 0.97 (95% CI 0.96-1.00) for mortality related to cardiac failure (P=0.001) and 0.76 (95% CI 0.53-0.99) for all-cause mortality (P=0.011). The best cutoff for mortality related to cardiac failure was SvO(2) 53.7%, with a sensitivity of 1.00 and a specificity of 0.94. The negative predictive value was 100%. The best cutoff for all-cause mortality was SvO(2) 58.1%, with a sensitivity of 0.75 and a specificity of 0.84. The negative predictive value was 99.4%. Post-operative morbidity was also markedly increased in patients with a low SvO(2). Conclusion SvO(2), on admission to the ICU after surgery for aortic stenosis, demonstrated excellent sensitivity and specificity for post-operative mortality related to cardiac failure and a fairly good AUC for all-cause mortality, with an excellent negative predictive value.

  • 7.
    Holm, Jonas
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Szabó, Zoltán
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Alehagen, Urban
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Region Östergötland, Hjärt- och Medicincentrum, Kardiologiska kliniken US.
    Lindahl, Tomas
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för mikrobiologi och molekylär medicin. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Diagnostikcentrum, Klinisk kemi.
    Cederholm, Ingemar
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Copeptin Release in Cardiac Surgery: A New Biomarker to Identify Risk Patients?2018Ingår i: Journal of Cardiothoracic and Vascular Anesthesia, ISSN 1053-0770, E-ISSN 1532-8422, Vol. 32, nr 1, s. 245-250Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    OBJECTIVE: To describe the dynamics of copeptin in open cardiac surgery during the perioperative course.

    DESIGN: Prospective cohort study.

    SETTING: Single tertiary hospital.

    PARTICIPANTS: Twenty patients scheduled for open cardiac surgery procedures with cardiopulmonary bypass (CPB).

    INTERVENTIONS: No intervention.

    MEASUREMENTS AND MAIN RESULTS: Copeptin concentrations were measured pre-, peri-, and postoperatively until day 6 after surgery. Patients were analyzed as a whole cohort (n = 20) and in a restricted "normal cohort" consisting of patients with normal preoperative copeptin concentration (<10 pmol/L) and perioperative uneventful course (n = 11). In the whole cohort, preoperative copeptin concentration was 7.0 pmol/L (interquartile range: 3.1-11 pmol/L). All patients had an early rise of copeptin, with 80% having peak copeptin concentration at weaning from CPB or upon arrival in the intensive care unit. Patients in the "normal cohort" had copeptin concentration at weaning from CPB of 194 pmol/L (98-275), postoperative day 1, 27 pmol/L (18-31); and day 3, 8.9 pmol/L (6.3-12).

    CONCLUSIONS: Regardless of cardiac surgical procedure and perioperative course, all patients had an early significant rise of copeptin concentrations, generally peaking at weaning from CBP or upon arrival in the intensive care unit. Among patients with normal copeptin concentration preoperatively and uneventful course, the postoperative copeptin concentrations decreased to normal values within 3-to-4 days after cardiac surgery. Furthermore, the restricted "normal cohort" generally tended to display lower levels of copeptin concentration postoperatively. Further studies may evaluate whether copeptin can be a tool in identifying risk patients in cardiac surgery.

  • 8.
    Holm, Jonas
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Vanky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Håkanson, Erik
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Svedjeholm, Rolf
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Sv02 a marker with excellent sensitivity and specificity for cardiac mortality after surgery for aortic stenosis.2009Konferensbidrag (Refereegranskat)
  • 9.
    Holm, Jonas
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Vidlund, M.
    Örebro University Hospital, Sweden .
    Vánky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Friberg, O.
    Örebro University Hospital, Sweden .
    Håkanson, E.
    Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Walther, Sten
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Svedjeholm, Rolf
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    EuroSCORE II and N-terminal pro-B-type natriuretic peptide for risk evaluation: an observational longitudinal study in patients undergoing coronary artery bypass graft surgery2014Ingår i: British Journal of Anaesthesia, ISSN 0007-0912, E-ISSN 1471-6771, Vol. 113, nr 1, s. 75-82Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    BACKGROUND:

    Postoperative heart failure remains the major cause of death after cardiac surgery. As N-terminal pro-B-type natriuretic peptide (NT-proBNP) is a predictor for postoperative heart failure, the aim was to evaluate if preoperative NT-proBNP could provide additional prognostic information to the recently launched EuroSCORE II.

    METHODS:

    A total of 365 patients with acute coronary syndrome (ACS) undergoing isolated coronary artery bypass graft (CABG) surgery were studied prospectively. Preoperative NT-proBNP and EuroSCORE II were evaluated with regard to severe circulatory failure after operation according to prespecified criteria. To assess what clinical outcomes are indicated by NT-proBNP levels in different risk categories, the patients were stratified according to EuroSCORE II. Based on receiver operating characteristics analysis, these cohorts were assessed with regard to preoperative NT-proBNP below or above 1028 ng litre(-1). The follow-up time averaged 4.4 (0.7) yr.

    RESULTS:

    Preoperative NT-proBNP≥1028 ng litre(-1) [odds ratio (OR) 9.9, 95% confidence interval (CI) 1.01-98.9; P=0.049] and EuroSCORE II (OR 1.24, 95% CI 1.06-1.46; P=0.008) independently predicted severe circulatory failure after operation. In intermediate-risk patients (EuroSCORE II 2.0-10.0), NT-proBNP≥1028 ng litre(-1) was associated with a higher incidence of severe circulatory failure (6.6% vs 0%; P=0.007), renal failure (14.8% vs 5.4%; P=0.03), stroke (6.6% vs 0.7%; P=0.03), longer intensive care unit stay [37 (35) vs 27 (38) h; P=0.002], and worse long-term survival.

    CONCLUSIONS:

    Combining EuroSCORE II and preoperative NT-proBNP appears to improve risk prediction with regard to severe circulatory failure after isolated CABG for ACS. NT-proBNP may be particularly useful in patients at intermediate risk according to EuroSCORE II.

  • 10.
    Holm, Jonas
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Vidlund, Marten
    University of Örebro, Sweden .
    Vánky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Friberg, Orjan
    University of Örebro, Sweden .
    Hakanson, Erik
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Svedjeholm, Rolf
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Preoperative NT-proBNP independently predicts outcome in patients with acute coronary syndrome undergoing CABG2013Ingår i: Scandinavian Cardiovascular Journal, ISSN 1401-7431, E-ISSN 1651-2006, Vol. 47, nr 1, s. 28-35Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Objectives. The predictive value of preoperative N-terminal pro-B-type natriuretic peptide (NT-proBNP) was evaluated in patients with acute coronary syndrome undergoing coronary artery bypass grafting (CABG). Design. As a substudy to a clinical trial 383 patients with acute coronary syndrome undergoing CABG were studied. 17 patients had a concomitant procedure. NT-proBNP was measured immediately preoperatively and evaluated with regard to in-hospital mortality, and severe circulatory failure postoperatively according to prespecified criteria. Follow-up was 3.2 +/- 0.9 years. Results. In patients with isolated CABG, receiver operating characteristics (ROC) analysis showed an area under the curve (AUC) of 0.82 for in-hospital mortality and 0.87 for severe circulatory failure respectively with a best cut-off for preoperative NT-proBNP of 1028 ng/L. This cut-off level independently predicted severe circulatory failure. Patients with NT-proBNP andlt; 1028 ng/L had significantly better long-term survival (p = 0.004). Preoperative NT-proBNP was higher in patients with concomitant procedure than isolated CABG (2146 +/- 1858 v 887 +/- 1635 ng/L; p = 0.0005). In patients with concomitant procedure ROC analysis showed an AUC of 0.93 for severe circulatory failure with a best cut-off for preoperative NT-proBNP of 3145 ng/L. Conclusions. Preoperative NT-proBNP predicted in-hospital mortality, severe circulatory failure postoperatively and long-term survival in patients undergoing surgery for acute coronary syndrome but a higher threshold was found in patients having concomitant procedures.

  • 11.
    Holm, Jonas
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Vidlund, Mårten
    University of Örebro, Sweden .
    Vanky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Friberg, Örjan
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Håkanson, Erik
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Svedjeholm, Rolf
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Does preoperative NT-proBNP provide additional prognostic information to EuroSCORE II in patients undfergoing CABG?2013Konferensbidrag (Övrigt vetenskapligt)
  • 12.
    Holm, Jonas
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Vidlund, Mårten
    Departments of Cardiothoracic Surgery and Anaesthesia, Örebro University Hospital.
    Vanky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet.
    Friberg, Örjan
    Departments of Cardiothoracic Surgery and Anaesthesia, Örebro University Hospital.
    Håkanson, Erik
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet.
    Walther, Sten
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Svedjeholm, Rolf
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    EuroSCORE II and NT-proBNP for risk evaluation: an observational longitudinal study in patients undergoing CABGManuskript (preprint) (Övrigt vetenskapligt)
    Abstract [en]

    BACKGROUND: Postoperative heart failure remains the major cause of death after cardiac surgery. As NT-proBNP is a predictor for postoperative heart failure, the aim was to evaluate if preoperative NT-proBNP could provide additional prognostic information to the recently launched EuroSCORE II.

    METHODS: 365 patients with acute coronary syndrome (ACS) undergoing isolated CABG were studied prospectively. Preoperative NT-proBNP and EuroSCORE II were evaluated with regard to severe circulatory failure postoperatively according to prespecified criteria. To assess what clinical outcomes are indicated by NT-proBNP levels in different risk categories, the patients were stratified according to EuroSCORE II. Based on Reciever Operating Chracateristics (ROC) analysis these cohorts were assessed with regard to preoperative NT-proBNP below or above 1028 ng/L. Follow-up time averaged 4.4 ± 0.7 years.

    RESULTS: Preoperative NT-proBNP ≥ 1028 ng/L (OR 9.9, 95%CI 1.01-98.9;p=0.049) and EuroSCORE II (OR 1.24, 95%CI 1.06-1.46;p=0.008) independently predicted severe circulatory failure postoperatively. In intermediate risk patients (EuroSCORE II 2.0 – 10.0) NT-proBNP ≥ 1028 ng/L was associated with a higher incidence of severe circulatory failure (6.6% vs 0%;p=0.007), renal failure (14.8% vs 5.4%;p=0.03), stroke (6.6 % vs 0.7 %;p=0.03) , longer ICU stay (37±35 vs 27±38 hours; p=0.002) and worse long-term survival.

    CONCLUSIONS: Combining EuroSCORE II and preoperative NT-proBNP appears to improve risk prediction with regard to severe circulatory failure after isolated CABG for ACS. NTproBNP may be particularly useful in patients at intermediate risk according to EuroSCORE II.

  • 13.
    Holm, Jonas
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Vidlund, Mårten
    Örebro University, Sweden.
    Vanky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Friberg, Örjan
    Örebro University Hospital, Sweden.
    Håkansson, Erik
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Walther, Sten
    Linköpings universitet, Institutionen för medicin och hälsa. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Svedjeholm, Rolf
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    NT-proBNP provides additional prognostic information to Euroscoe II in patients undergoing CABG2013Konferensbidrag (Övrigt vetenskapligt)
  • 14.
    Hultkvist, Henrik
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Holm, Jonas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Svedjeholm, Rolf
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Vánky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Region Östergötland, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland. Linköpings universitet, Medicinska fakulteten.
    Rise and fall of NT-proBNP in aortic valve intervention.2018Ingår i: Open heart, E-ISSN 2053-3624, Vol. 5, nr 1, artikel-id e000739Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Objectives: To describe the dynamics of N-terminal pro-B-type natriuretic peptide (NT-proBNP) from preoperative evaluation to 6-month follow-up in patients undergoing aortic valve intervention, and to evaluate NT-proBNP with regard to 1-year mortality.

    Methods: At preoperative evaluation, we prospectively included 462 patients accepted for aortic valve intervention. The median time to surgical aortic valve replacement (SAVR; n=336) or transcatheter aortic valve implantation (TAVI; n=126) was 4 months. NT-proBNP was measured at enrolment for preoperative evaluation, on the day of surgery, postoperatively on day 1, day 3 and at the 6-month follow-up. Subgroups of patients undergoing SAVR with aortic regurgitation and aortic stenosis with and without coronary artery bypass were also analysed.

    Results: NT-proBNP remained stable in all subgroups during the preoperative waiting period, but displayed a substantial transient early postoperative increase with a peak on day 3 except in the TAVI group, which peaked on day 1. At the 6-month follow-up, NT-proBNP had decreased to or below the preoperative level in all groups. In the SAVR group, NT-proBNP preoperatively and on postoperative days 1 and 3 revealed significant discriminatory power with regard to 1-year mortality (area under the curve (AUC)=0.79, P=0.0001; AUC=0.71, P=0.03; and AUC=0.79, P=0.002, respectively). This was not found in the TAVI group, which had higher levels of NT-proBNP both preoperatively and at the 6-month follow-up compared with the SAVR group.

    Conclusions: The dynamic profile of NT-proBNP differed between patients undergoing TAVI and SAVR. NT-proBNP in the perioperative course was associated with increased risk of 1-year mortality in SAVR but not in TAVI.

  • 15.
    Svedjeholm, Rolf
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Holm, Jonas
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Vanky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Håkanson, Erik
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Relationship between Sv02 on arrival to ICU and postoperative morbidity and mortality after CABG.2009Konferensbidrag (Refereegranskat)
  • 16.
    Svedjeholm, Rolf
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Holm, Jonas
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Vanky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Håkanson, Erik
    Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet.
    Relationship between Sv02 on arrival to ICU and postoperative morvidity and mortality after CABG.2007Ingår i: 24th annual meeting of EACTA, 2007Konferensbidrag (Refereegranskat)
  • 17.
    Svedjeholm, Rolf
    et al.
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Holm, Jonas
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för medicin och hälsa. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Vánky, Farkas
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för medicin och vård. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Håkansson, Erik
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Sv02 predicts short-term morbidity and mortality after CABG.2008Ingår i: 57th Annaul meeting of the Scandinavian Association for Thoracic Surgery,2008, 2008Konferensbidrag (Refereegranskat)
  • 18.
    Svedjeholm, Rolf
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Tajik, B
    Vidlund, M
    Friberg, Örjan
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Holm, Jonas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Vanky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Håkansson, Erik
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Intravenous glutamatereduces the need for inotropes in patients with heart failure after CABG foracute coronary syndrome?2014Konferensbidrag (Övrigt vetenskapligt)
  • 19.
    Svedjeholm, Rolf
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Vanky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Håkanson, Erik
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Holm, Jonas
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Hälsouniversitetet.
    Mixed venous oxygen saturation is a prognostic marker after aortic valve surgery.2009Konferensbidrag (Refereegranskat)
  • 20.
    Svedjeholm, Rolf
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Vidlund, Mårten
    Östergötlands Läns Landsting.
    Håkanson, Erik
    Östergötlands Läns Landsting.
    Friberg, Örjan
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Juhl-Andersen, Sören
    Östergötlands Läns Landsting.
    Holm, Jonas
    Linköpings universitet, Institutionen för medicin och hälsa. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Sunnermalm, Lena
    Östergötlands Läns Landsting.
    Borg, Jan-Olov
    Örebro University Hospital, Örebro.
    Vánky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Sharma, Rajiv
    Örebro University Hospital, Örebro.
    GLUTAMICS: A RANDOMIZED CLINICAL TRIAL ON GLUTAMATE INFUSION IN PATIENTS OPERATED FOR ACUTE CORONARY SYNDROME in JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, vol 57, issue 14, pp E938-E9382011Ingår i: JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, Elsevier Science , 2011, Vol. 57, nr 14, s. E938-E938Konferensbidrag (Refereegranskat)
    Abstract [en]

    n/a

  • 21. Tajik, B
    et al.
    Vidlund, M
    Sundbom, Per
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Kardiologiska kliniken US.
    Friberg, Örjan
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Holm, Jonas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Vanky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Svedjeholm, Rolf
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Intravenous glutamatereduces the need for inotropes in patients with heart failure after CABG foracute coronary syndrome?2014Konferensbidrag (Övrigt vetenskapligt)
  • 22. Vidlund, M
    et al.
    Holm, Jonas
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för medicin och hälsa. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Håkansson, Erik
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Friberg, Örjan
    Linköpings universitet, Hälsouniversitetet.
    Sunnermalm, L
    Vánky, Farkas
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för medicin och vård. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Svedjeholm, Rolf
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    The S100-B substudy of the Glutamics-trial: Elevation of S-100B is linked to aortic calcification and postoperative confusion.2008Ingår i: 57th Annual meeting of the Scandinavian Association for Thoracic Surgery,2008, 2008Konferensbidrag (Refereegranskat)
  • 23.
    Vidlund, M
    et al.
    University Hospital, Örebro.
    Håkanson, Erik
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Friberg, Ö
    University Hospital, Örebro.
    Holm, Jonas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Vanky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Sunnermalm, L
    University Hospital, Örebro.
    Svedjeholm, Rolf
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    The influence of inotropic drugs on the outcome of the GLUTAMICS trial2013Konferensbidrag (Övrigt vetenskapligt)
  • 24.
    Vidlund, Marten
    et al.
    University of Örebro, Sweden .
    Håkansson, Erik
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Friberg, Orjan
    University of Örebro, Sweden .
    Juhl-Andersen, Soren
    Cardiothorac Anesthesia Blekinge Hospital, Sweden .
    Holm, Jonas
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet.
    Vánky, Farkas
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Sunnermalm, Lena
    University of Örebro, Sweden .
    Borg, Jan-Olov
    Cardiothorac Anesthesia Blekinge Hospital, Sweden .
    Sharma, Rajiv
    Cardiothorac Anesthesia Blekinge Hospital, Sweden .
    Svedjeholm, Rolf
    Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    GLUTAMICS-a randomized clinical trial on glutamate infusion in 861 patients undergoing surgery for acute coronary syndrome2012Ingår i: Journal of Thoracic and Cardiovascular Surgery, ISSN 0022-5223, E-ISSN 1097-685X, Vol. 144, nr 4, s. 922-Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Objective: Glutamate has been claimed to protect the heart from ischemia and to facilitate metabolic and hemodynamic recovery after ischemia. The GLUTAmate for Metabolic Intervention in Coronary Surgery trial investigated whether an intravenous glutamate infusion given in association with surgery for acute coronary syndrome could reduce mortality and prevent or mitigate myocardial injury and postoperative heart failure. less thanbrgreater than less thanbrgreater thanMethods: In the present prospective, triple-center, double-blind study, 861 patients undergoing surgery for acute coronary syndrome were randomly assigned to an intravenous infusion of glutamate (n=428) or saline (n=433) perioperatively. less thanbrgreater than less thanbrgreater thanResults: The incidence of the primary endpoint-a composite of 30-day mortality, perioperative myocardial infarction, and left ventricular heart failure at weaning from cardiopulmonary bypass-was 7.3% versus 5.8% (P=.41) in the glutamate and control groups, respectively. Patients with left ventricular failure at weaning from cardiopulmonary bypass had a shorter median intensive care unit stay (25 vs 92 hours; P=.02) if they were treated with glutamate. In patients with unstable angina (Canadian Cardiovascular Society class IV) undergoing isolated coronary artery bypass grafting (n=458), the incidence of severe circulatory failure according to the prespecified criteria was significantly lower in the glutamate group (1.3% vs 6.9%; P=.004). On multivariate analysis, glutamate infusion was associated with a reduced risk of developing severe circulatory failure (odds ratio, 0.17; 95% confidence interval, 0.04-0.72; P=.02). A relative risk reduction exceeding 50% for developing severe circulatory failure was seen in most risk groups undergoing isolated coronary artery bypass grafting, with those with diabetes a notable exception. less thanbrgreater than less thanbrgreater thanConclusions: The primary endpoint did not differ significantly between the groups. The secondary outcomes and post hoc analyses warrant additional studies with regard to the potential beneficial effect of glutamate on postischemic myocardial recovery.

  • 25.
    Vidlund, Mårten
    et al.
    Department of Cardiothoracic Surgery and Anesthesia, University Hospital Örebro, Sweden.
    Holm, Jonas
    Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Håkanson, Erik
    Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet.
    Friberg, Örjan
    Department of Cardiothoracic Surgery and Anesthesia, University Hospital Örebro, Sweden.
    Sunnermalm, Lena
    Department of Cardiothoracic Surgery and Anesthesia, University Hospital Örebro, Sweden.
    Vánky, Farkas
    Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet.
    Svedjeholm, Rolf
    Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken. Linköpings universitet, Institutionen för medicin och hälsa, Thoraxkirurgi. Linköpings universitet, Hälsouniversitetet.
    The S-100B substudy of the GLUTAMICS trial: Glutamate infusion not associated with sustained elevation of plasma S-100B after coronary surgery2010Ingår i: Clinical Nutrition, ISSN 0261-5614, E-ISSN 1532-1983, Vol. 29, nr 3, s. 358-364Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background and aims: Concerns have been raised about potential neurological injury related to exogenous glutamate. In cardiac surgery glutamate has been administered as a putative cardioprotective agent by cardioplegia or intravenous infusion. In the GLUTAMICS trial, in addition to surveillance of clinical neurological injuries, a prespecified subgroup was analyzed with regard to postoperative S-100B levels to detect potential subclinical neurological injury related to glutamate infusion. Methods: Sixty-nine patients operated on for unstable coronary syndrome were randomized to intravenous infusion of glutamate (n = 35) or saline (n = 34) perioperatively. Plasma levels of S-100B were obtained on the third postoperative day. Results: S-100B in the glutamate group and the control group were 0.079 +/- 0.034 mu g/L and 0.090 +/- 0.042 mu g/L respectively (p = 0.245). There were no patients with stroke or mortality. Three patients in the control group and two in the glutamate group had postoperative confusion. These patients had significantly elevated S-100B compared with those without confusion (0.132 +/- 0.047 vs 0.081 +/- 0.036 mu g/L; p = 0.003). Overall, 21 patients had S-100B above reference level (greater than= 0.10 mu g/L) and these patients had significantly more calcifications in the ascending aorta on epiaortic scanning. Conclusions: Intravenous glutamate infusion during surgery for unstable coronary artery disease did not initiate a sustained elevation of plasma S-100B. Thus, no evidence for subclinical neurological injury related to glutamate infusion was found. In contrast, postoperative elevation of plasma S-100B was linked to calcification of the ascending aorta and postoperative confusion.

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