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  • 1.
    Aronsson, Mattias
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för hälso- och sjukvårdsanalys. Linköpings universitet, Medicinska fakulteten.
    Carlsson, Per
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för hälso- och sjukvårdsanalys. Linköpings universitet, Medicinska fakulteten.
    Levin, Lars-Åke
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för hälso- och sjukvårdsanalys. Linköpings universitet, Medicinska fakulteten.
    Hager, Jakob
    Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Kirurgiska kliniken ViN. Linköpings universitet, Institutionen för klinisk och experimentell medicin. Linköpings universitet, Medicinska fakulteten.
    Hultcrantz, R.
    Karolinska Institute, Sweden.
    Cost-effectiveness of high-sensitivity faecal immunochemical test and colonoscopy screening for colorectal cancer2017Inngår i: British Journal of Surgery, ISSN 0007-1323, E-ISSN 1365-2168, Vol. 104, nr 8, s. 1078-1086Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Background: Colorectal cancer screening can decrease morbidity and mortality. However, there are widespread differences in the implementation of programmes and choice of strategy. The primary objective of this study was to estimate lifelong costs and health outcomes of two of the currently most preferred methods of screening for colorectal cancer: colonoscopy and sensitive faecal immunochemical test (FIT). Methods: A cost-effectiveness analysis of colorectal cancer screening in a Swedish population was performed using a decision analysis model, based on the design of the Screening of Swedish Colons (SCREESCO) study, and data from the published literature and registries. Lifelong cost and effects of colonoscopy once, colonoscopy every 10 years, FIT twice, FIT biennially and no screening were estimated using simulations. Results: For 1000 individuals invited to screening, it was estimated that screening once with colonoscopy yielded 49 more quality-adjusted life-years (QALYs) and a cost saving of (sic)64 800 compared with no screening. Similarly, screening twice with FIT gave 26 more QALYs and a cost saving of (sic)17 600. When the colonoscopic screening was repeated every tenth year, 7 additional QALYs were gained at a cost of (sic)189 400 compared with a single colonoscopy. The additional gain with biennial FIT screening was 25 QALYs at a cost of (sic)154 300 compared with two FITs. Conclusion: All screening strategies were cost-effective compared with no screening. Repeated and single screening strategies with colonoscopy were more cost-effective than FIT when lifelong effects and costs were considered. However, other factors such as patient acceptability of the test and availability of human resources also have to be taken into account.

    Fulltekst (pdf)
    fulltext
  • 2. Bestill onlineKjøp publikasjonen >>
    Hager, Jakob
    Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland. Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet.
    Abdominal Aortic Aneurysm: Aspects on how to affect mortality from rupture2014Doktoravhandling, med artikler (Annet vitenskapelig)
    Abstract [en]

    Abdominal Aortic Aneurysm (AAA) is a disease that mainly affects elderly men, and ruptured AAA (rAAA) is associated with a mortality of > 80%. AAA seldom gives any symptoms prior to rupture.

    The aims of this thesis were to investigate different aspects of how to affect mortality from rAAA.

    In Study I, we identified 849 patients treated for rAAA during 1987-2004, and studied the 30-day survival after surgery, depending on whether they came directly to the treating hospital (one-stop) or were transferred via another hospital (two-stop). A two-stop referral pattern resulted in a 27% lower population-based survival rate for patients 65-74 years of age. However, the consequences would be small even if a one-stop referral pattern could be generally accomplished, due to the huge over-all mortality related to rAAA, hence an argument to find and treat AAA before rupture, e.g. by screening.

    In Study II, we examined the AAA-prevalence and the risk factors for AAA among 70-year-old men. The screening-detected AAA-prevalence was 2.3%, thus less than half the predicted. The most important risk factor was smoking.

    In Study III, we compared the screening-detected AAA-prevalence, the attendance rate, and the rate of opportunistic detection of AAA, between almost 8000 65- and 6000 70-year-old men. There was no difference in the screening-detected prevalence; probably due to the fact that almost 40% of the AAAs among the 70-year-old were already known prior to screening, compared to roughly 25% in the 65-year-old. The attendance rate was higher among the 65-year-old men, 85.7% compared 84.0% in the 70-year-old. Thus, there is no benefit of screening for AAA among 70- instead of 65-year-old men.

    In Study IV, a cost-effectiveness analysis, we found that screening for AAA still appears to be cost-effective, despite profound changes in disease pattern and AAA-management.

    In conclusion, we found that mortality from rAAA is not affected in any substantial way by different referral patterns and hence centralisation of services for AAA/rAAA is not a solution. A better alternative is to prevent rupture through early detection by screening. Screening 65-year-old men for AAA still appears to be cost-effective, despite profound changes in disease pattern and AAA-management during the last decade. Screening 70- instead of 65-year-old men will not increase the efficacy of screening.

    Delarbeid
    1. Population-based survival rate with a one- or two-stop referral pattern for patients with ruptured abdominal aortic aneurysms
    Åpne denne publikasjonen i ny fane eller vindu >>Population-based survival rate with a one- or two-stop referral pattern for patients with ruptured abdominal aortic aneurysms
    2013 (engelsk)Inngår i: International Journal of Angiology, ISSN 0392-9590, E-ISSN 1827-1839, Vol. 32, nr 5, s. 492-500Artikkel i tidsskrift (Fagfellevurdert) Published
    Abstract [en]

    AIM:

    Is there a difference in the population-based survival rate for patients with ruptured abdominal aortic aneurysms (rAAA), handled by a "one-stop" or a "two-stop" referral pattern?

    METHODS:

    Ten regions in Sweden were identified where clear-cut "one-stop" or "two-stop" referral-patterns prevailed. From the Swedvasc Registry we identified 849 patients operated on for rAAA, 1987 to 2004, living in any of these ten regions, and related the number of survivors to the whole population served by each hospital.

    RESULTS:

    The population-based survival rate was 14% lower for patients following a "two-stop" compared to a "one-stop" referral pattern (P=0.084). For the group 65-74 years-of-age the difference was significant (P=0.021), but no corresponding effect was seen regarding operative mortality rate or sex.

    CONCLUSION:

    Compared to a "one-stop" referral pattern for rAAA, a "two-stop" referral pattern results in a lower population-based survival rate for patients 65-74 years old, but the consequences would be small even if a "one-stop" referral pattern could be generally accomplished.

    sted, utgiver, år, opplag, sider
    Turin, Italy: Edizioni Minerva Medica, 2013
    Emneord
    Abdominal aortic aneurysm ruptured one-stop two-stop
    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-102480 (URN)23903308 (PubMedID)
    Tilgjengelig fra: 2013-12-12 Laget: 2013-12-12 Sist oppdatert: 2017-12-06
    2. Lower Prevalence than Expected when Screening 70-year-old Men for Abdominal Aortic Aneurysm
    Åpne denne publikasjonen i ny fane eller vindu >>Lower Prevalence than Expected when Screening 70-year-old Men for Abdominal Aortic Aneurysm
    2013 (engelsk)Inngår i: European Journal of Vascular and Endovascular Surgery, ISSN 1078-5884, E-ISSN 1532-2165, Vol. 46, nr 4, s. 453-459Artikkel i tidsskrift (Fagfellevurdert) Published
    Abstract [en]

    Background

    Screening 65-year-old men for abdominal aortic aneurysms (AAA) is a cost-effective method to reduce the mortality from ruptured AAA. However, contemporary results show a lower than expected prevalence of AAA, thus questioning the benefit of screening. Since the prevalence increases with age, a possible way to enhance the benefit of screening might be to screen older men. Our aim was to determine the contemporary screening-detected prevalence among 70-year-old men.

    Methods

    A total of 5,623 unscreened 70-year-old men were invited to ultrasound screening. Uni- and multivariable analyses were used to assess the risk factors for AAA.

    Results

    The attendance rate was 84.0%. The prevalence of previously unknown AAAs was 2.3%. When adding the 64 men with an already known AAA to the screening-detected ones, the total prevalence in the population was at least 3.0%, and the previously discovered AAAs constituted 37.4% of the total prevalence. “Ex smoker” and “Current smoker” were the most important risk factors.

    Conclusions

    When screening 70-year-old men for AAA, the prevalence was less than half that expected, despite a high attendance rate. Smoking was the strongest risk factor. Almost 40% of the men with AAAs were already known from other means than screening.

    Emneord
    Abdominal aortic aneurysm, Screening, Prevalence, Attendance rate, Swedvasc
    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-102089 (URN)10.1016/j.ejvs.2013.07.014 (DOI)000326408400012 ()
    Merknad

    Funding Agencies|Swedish Heart-Lung Foundation||King Gustav V and Queen Victorias foundation||

    Tilgjengelig fra: 2013-12-02 Laget: 2013-11-29 Sist oppdatert: 2017-12-06
    3. No benefit of screening for abdominal aortic aneurysm among 70- instead of 65-year-old men
    Åpne denne publikasjonen i ny fane eller vindu >>No benefit of screening for abdominal aortic aneurysm among 70- instead of 65-year-old men
    2014 (engelsk)Inngår i: International Angiology, ISSN 0392-9590, Vol. 33, nr 5, s. 474-479Artikkel i tidsskrift (Fagfellevurdert) Published
    Abstract [en]

    Objectives: Screening 65-year-old men for abdominal aortic aneurysm (AAA) reduces mortality from ruptured AAA (rAAA). Lower than expected prevalence of AAA is now found, why screening at a higher age and rescreening has been discussed. Our aim was to determine if screening at 70 years of age, instead of 65, increases clinical effectiveness.

    Methods: 7951 and 5623 previously un-screened 65- and 70-year old men were invited to ultrasound screening.

    Results: The attendance rate was 85.7% and 84.0%, p<0.01, for the 65- and 70-year old men respectively. The screening-detected prevalence did not differ, being 1.9% and 2.3%, p=0.15, respectively, probably due to the fact that 23.5% and 37.4% of all known AAA among 65- and 70-year-old men, were detected by other means prior to screening, p<0.01. However, the total known prevalence differed between the age-groups, being at least 2.1% and 3.0% respectively, p<0.001.

    Conclusion: The screening-detected AAA-prevalence did not differ between 65- and 70-yearold men, due to the greater number of AAA known prior to screening among 70- compared to 65-year-old men. Screening men at 70 instead of 65 years of age would not result in detection of substantially more previously unknown AAA, thus not preventing rAAA and consequently not more saved life-years. Further, data also indicates that it is questionable if re-screening the 65-year-old male population after five years would generate any important clinical effect.

    sted, utgiver, år, opplag, sider
    EDIZIONI MINERVA MEDICA, 2014
    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-102927 (URN)000345727000010 ()
    Tilgjengelig fra: 2014-01-08 Laget: 2014-01-08 Sist oppdatert: 2017-03-27bibliografisk kontrollert
    4. Changing Conditions - the same Conclusion: Cost-effective to Screen for Abdominal Aortic Aneurysm among 65-year-old Men, based on Data from an Implemented Screening Programme
    Åpne denne publikasjonen i ny fane eller vindu >>Changing Conditions - the same Conclusion: Cost-effective to Screen for Abdominal Aortic Aneurysm among 65-year-old Men, based on Data from an Implemented Screening Programme
    Vise andre…
    2014 (engelsk)Manuskript (preprint) (Annet vitenskapelig)
    Abstract [en]

    Background: Health economic analyses based on randomized trials have shown that screening for abdominal aortic aneurysm (AAA) cost-effectively decreases AAA-related as well as allcause mortality. However, results from running screening programmes now reveal substantially changed conditions in terms of prevalence, attendance rate, costs and mortality after intervention. Our aim was to evaluate whether screening for AAA among 65-year-old men on a general basis is cost-effective under current clinical practice.

    Methods: A decision-analytic model, previously used to show the cost-effectiveness of an AAA-screening programme before decision to introduce screening in practice, was updated using results from implemented screening-programmes as well as data from contemporary published data and the Swedvasc registry.

    Results: The base-case analysis showed that the cost per life-year gained and quality-adjusted life year (QALY) gained were 3252 € and 4231 €, respectively. The probability of screening being cost-effective was high.

    Conclusion: Despite profound changes in disease pattern and AAA-management, the current results are similar to those reported almost 10 years ago, and thus screening 65-year-old men for AAA still appears to be cost-effective.

    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-102928 (URN)
    Tilgjengelig fra: 2014-01-08 Laget: 2014-01-08 Sist oppdatert: 2017-03-27bibliografisk kontrollert
    Fulltekst (pdf)
    Abdominal Aortic Aneurysm: Aspects on how to affect mortality from rupture
    Download (pdf)
    omslag
  • 3.
    Hager, Jakob
    Linköpings universitet, Institutionen för medicin och hälsa, Fysiologi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Bukaorta-aneurysm AAA2013Inngår i: Nationella kvalitetsregistret för kärlkirurgi. Verksamhetsåret 2013 / [ed] Björn Kragsterman, Swedvasc , 2013, s. -52Kapittel i bok, del av antologi (Annet vitenskapelig)
  • 4.
    Hager, Jakob
    et al.
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för medicin och vård, Fysiologi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Forssell, Claes
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för medicin och vård, Fysiologi. Östergötlands Läns Landsting, Hjärtcentrum, Thorax-kärlkliniken.
    Surgery for descending and thoraco-abdominal aortic aneurysms2007Inngår i: AVIS programme,2007, 2007Konferansepaper (Annet vitenskapelig)
  • 5.
    Hager, Jakob
    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.
    Henriksson, Martin
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för hälso- och sjukvårdsanalys. Linköpings universitet, Centrum för medicinsk bildvetenskap och visualisering, CMIV. Linköpings universitet, Hälsouniversitetet.
    Carlsson, Per
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för hälso- och sjukvårdsanalys. Linköpings universitet, Hälsouniversitetet.
    Länne, Toste
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Lundgren, Fredrik
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Changing Conditions - the same Conclusion: Cost-effective to Screen for Abdominal Aortic Aneurysm among 65-year-old Men, based on Data from an Implemented Screening Programme2014Manuskript (preprint) (Annet vitenskapelig)
    Abstract [en]

    Background: Health economic analyses based on randomized trials have shown that screening for abdominal aortic aneurysm (AAA) cost-effectively decreases AAA-related as well as allcause mortality. However, results from running screening programmes now reveal substantially changed conditions in terms of prevalence, attendance rate, costs and mortality after intervention. Our aim was to evaluate whether screening for AAA among 65-year-old men on a general basis is cost-effective under current clinical practice.

    Methods: A decision-analytic model, previously used to show the cost-effectiveness of an AAA-screening programme before decision to introduce screening in practice, was updated using results from implemented screening-programmes as well as data from contemporary published data and the Swedvasc registry.

    Results: The base-case analysis showed that the cost per life-year gained and quality-adjusted life year (QALY) gained were 3252 € and 4231 €, respectively. The probability of screening being cost-effective was high.

    Conclusion: Despite profound changes in disease pattern and AAA-management, the current results are similar to those reported almost 10 years ago, and thus screening 65-year-old men for AAA still appears to be cost-effective.

  • 6.
    Hager, Jakob
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Kirurgiska kliniken ViN.
    Henriksson, Martin
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för hälso- och sjukvårdsanalys. Linköpings universitet, Medicinska fakulteten.
    Carlsson, Per
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för hälso- och sjukvårdsanalys. Linköpings universitet, Medicinska fakulteten.
    Länne, Toste
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Region Östergötland, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland. Linköpings universitet, Medicinska fakulteten.
    Lundgren, Fredrik
    Department of Surgery, Kalmar County Hospital, Kalmar, Sweden.
    Revisiting the cost-effectiveness of screening 65-year-old men for abdominal aortic aneurysm based on data from an implemented screening programme.2017Inngår i: International Journal of Angiology, ISSN 0392-9590, E-ISSN 1827-1839, Vol. 36, nr 6, s. 517-525Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    BACKGROUND: Health economic analyses based on randomized trials have shown that screening for abdominal aortic aneurysm (AAA) cost-effectively decreases AAA-related, as well as all- cause mortality. However, follow-up from implemented screening programmes now reveal substantially changed conditions in terms of prevalence, attendance rate, costs and mortality after intervention. Our aim was to evaluate whether screening for AAA among 65-year-old men is cost-effective based on contemporary data on prevalence and attendance rates from an ongoing AAA screening programme.

    METHODS: A decision-analytic model, previously used to analyse the cost-effectiveness of an AAA screening programme prior to implementation in clinical practice, was updated using data collected from an implemented screening programme as well as data from contemporary published data and the Swedish register for vascular surgery (Swedvasc).

    RESULTS: The base-case analysis showed that the cost per life-year gained and quality-adjusted life year (QALY) gained were €4832 and €6325, respectively. Based on conventional threshold values of cost-effectiveness, the probability of screening being cost-effective was high.

    CONCLUSION: Despite the reduction of AAA-prevalence and changes in AAA-management over time, screening 65-year-old men for AAA still appears to yield health outcomes at a cost below conventional thresholds of cost-effectiveness.

  • 7.
    Hager, Jakob
    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.
    Lundgren, Fredrik
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Population-based survival rate with a one- or two-stop referral pattern for patients with ruptured abdominal aortic aneurysms2013Inngår i: International Journal of Angiology, ISSN 0392-9590, E-ISSN 1827-1839, Vol. 32, nr 5, s. 492-500Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    AIM:

    Is there a difference in the population-based survival rate for patients with ruptured abdominal aortic aneurysms (rAAA), handled by a "one-stop" or a "two-stop" referral pattern?

    METHODS:

    Ten regions in Sweden were identified where clear-cut "one-stop" or "two-stop" referral-patterns prevailed. From the Swedvasc Registry we identified 849 patients operated on for rAAA, 1987 to 2004, living in any of these ten regions, and related the number of survivors to the whole population served by each hospital.

    RESULTS:

    The population-based survival rate was 14% lower for patients following a "two-stop" compared to a "one-stop" referral pattern (P=0.084). For the group 65-74 years-of-age the difference was significant (P=0.021), but no corresponding effect was seen regarding operative mortality rate or sex.

    CONCLUSION:

    Compared to a "one-stop" referral pattern for rAAA, a "two-stop" referral pattern results in a lower population-based survival rate for patients 65-74 years old, but the consequences would be small even if a "one-stop" referral pattern could be generally accomplished.

  • 8.
    Hager, Jakob
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Fysiologi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Länne, Toste
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Carlsson, Per
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för hälso- och sjukvårdsanalys. Linköpings universitet, Hälsouniversitetet.
    Lundgren, Fredrik
    Linköpings universitet, Institutionen för medicin och hälsa, Fysiologi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Lower Prevalence than Expected when Screening 70-year-old Men for Abdominal Aortic Aneurysm2013Inngår i: European Journal of Vascular and Endovascular Surgery, ISSN 1078-5884, E-ISSN 1532-2165, Vol. 46, nr 4, s. 453-459Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Background

    Screening 65-year-old men for abdominal aortic aneurysms (AAA) is a cost-effective method to reduce the mortality from ruptured AAA. However, contemporary results show a lower than expected prevalence of AAA, thus questioning the benefit of screening. Since the prevalence increases with age, a possible way to enhance the benefit of screening might be to screen older men. Our aim was to determine the contemporary screening-detected prevalence among 70-year-old men.

    Methods

    A total of 5,623 unscreened 70-year-old men were invited to ultrasound screening. Uni- and multivariable analyses were used to assess the risk factors for AAA.

    Results

    The attendance rate was 84.0%. The prevalence of previously unknown AAAs was 2.3%. When adding the 64 men with an already known AAA to the screening-detected ones, the total prevalence in the population was at least 3.0%, and the previously discovered AAAs constituted 37.4% of the total prevalence. “Ex smoker” and “Current smoker” were the most important risk factors.

    Conclusions

    When screening 70-year-old men for AAA, the prevalence was less than half that expected, despite a high attendance rate. Smoking was the strongest risk factor. Almost 40% of the men with AAAs were already known from other means than screening.

    Fulltekst (pdf)
    fulltext
  • 9.
    Hager, Jakob
    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.
    Länne, Toste
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    Carlsson, Per
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för hälso- och sjukvårdsanalys. Linköpings universitet, Hälsouniversitetet.
    Lundgren, Fredrik
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Thorax-kärlkliniken i Östergötland.
    No benefit of screening for abdominal aortic aneurysm among 70- instead of 65-year-old men2014Inngår i: International Angiology, ISSN 0392-9590, Vol. 33, nr 5, s. 474-479Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Objectives: Screening 65-year-old men for abdominal aortic aneurysm (AAA) reduces mortality from ruptured AAA (rAAA). Lower than expected prevalence of AAA is now found, why screening at a higher age and rescreening has been discussed. Our aim was to determine if screening at 70 years of age, instead of 65, increases clinical effectiveness.

    Methods: 7951 and 5623 previously un-screened 65- and 70-year old men were invited to ultrasound screening.

    Results: The attendance rate was 85.7% and 84.0%, p<0.01, for the 65- and 70-year old men respectively. The screening-detected prevalence did not differ, being 1.9% and 2.3%, p=0.15, respectively, probably due to the fact that 23.5% and 37.4% of all known AAA among 65- and 70-year-old men, were detected by other means prior to screening, p<0.01. However, the total known prevalence differed between the age-groups, being at least 2.1% and 3.0% respectively, p<0.001.

    Conclusion: The screening-detected AAA-prevalence did not differ between 65- and 70-yearold men, due to the greater number of AAA known prior to screening among 70- compared to 65-year-old men. Screening men at 70 instead of 65 years of age would not result in detection of substantially more previously unknown AAA, thus not preventing rAAA and consequently not more saved life-years. Further, data also indicates that it is questionable if re-screening the 65-year-old male population after five years would generate any important clinical effect.

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