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  • 1. Adolfsson, Jan
    et al.
    Garmo, Hans
    Varenhorst, Eberhard
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för biomedicin och kirurgi, Avdelningen för kirurgi. Östergötlands Läns Landsting, Kirurgi- och onkologicentrum, Urologiska kliniken i Östergötland.
    Ahlgren, Göran
    Ahlstrand, Christer
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för biomedicin och kirurgi, Avdelningen för kirurgi. Östergötlands Läns Landsting, Kirurgi- och onkologicentrum, Urologiska kliniken i Östergötland.
    Andrén, Ove
    Bill-Axelson, Ann
    Bratt, Ola
    Damber, Jan-Erik
    Hellström, Karinq
    Hellström, Magnus
    Holmberg, Erik
    Holmberg, Lars
    Hugosson, Jonas
    Johansson, Jan-Erik
    Pettersson, Bill
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för biomedicin och kirurgi, Avdelningen för kirurgi. Östergötlands Läns Landsting, Kirurgi- och onkologicentrum, Urologiska kliniken i Östergötland.
    Törnblom, Magnus
    Widmark, Anders
    Stattin, Pär
    Clinical characteristics and primary treatment of prostate cancer in Sweden between 1996 and 20052007Inngår i: Scandinavian Journal of Urology and Nephrology, ISSN 0036-5599, E-ISSN 1651-2065, Vol. 41, nr 6, s. 456-477Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Objective. The incidence of prostate cancer is rising rapidly in Sweden and there is a need to better understand the pattern of diagnosis, tumor characteristics and treatment. Material and methods. Between 1996 and 2005, all new cases of adenocarcinoma of the prostate gland were intended to be registered in the National Prostate Cancer Register (NPCR). This register contains information on diagnosing unit, date of diagnosis, cause of diagnosis, tumor grade, tumor stage according to the TNM classification in force, serum prostate-specific antigen (PSA) levels at diagnosis and primary treatment given within the first 6 months after diagnosis. Results. In total, 72 028 patients were registered, comprising >97% of all pertinent incident cases of prostate cancer in the Swedish Cancer Register (SCR). During the study period there was a considerable decrease in median age at the time of diagnosis, a stage migration towards smaller tumors, a decrease in median serum PSA values at diagnosis, a decrease in the age-standardized incidence rate of men diagnosed with distant metastases or with a PSA level of >100 ng/ml at diagnosis and an increase in the proportion of tumors with Gleason score ≤6. Relatively large geographical differences in the median age at diagnosis and the age-standardized incidence of cases with category T1c tumors were observed. Treatment with curative intent increased dramatically and treatment patterns varied according to geographical region. In men with localized tumors and a PSA level of <20 ng/ml at diagnosis, expectant treatment was more commonly used in those aged ≥75 years than in those aged <75 years. Also, the pattern of endocrine treatment varied in different parts of Sweden. Conclusions. All changes in the register seen over time are consistent with increased diagnostic activity, especially PSA testing, resulting in an increased number of cases with early disease, predominantly tumors in category T1c. The patterns of diagnosis and treatment of prostate cancer vary considerably in different parts of Sweden. The NPCR continues to be an important source for research, epidemiological surveillance of the incidence, diagnosis and treatment of prostate cancer. © 2007 Taylor & Francis.

  • 2.
    Adolfsson, Per
    et al.
    Linköpings universitet, Institutionen för medicin och vård, Farmakologi. Linköpings universitet, Hälsouniversitetet.
    Ahlstrand, Christer
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Urologi. Linköpings universitet, Hälsouniversitetet.
    Varenhorst, Eberhard
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Urologi. Linköpings universitet, Hälsouniversitetet.
    Svensson, Samuel
    Linköpings universitet, Institutionen för medicin och hälsa, Farmakologi. Linköpings universitet, Hälsouniversitetet.
    Lysophosphatidic acid stimulates proliferation of cultured smooth muscle cells from human BPH tissue: Sildenafil and papaverin generate inhibition2002Inngår i: The Prostate, ISSN 0270-4137, E-ISSN 1097-0045, Vol. 51, nr 1, s. 50-58Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Background The endogenous substance lysophosphatidic acid (LPA) has been found to generate proliferation of cultured smooth muscle cells (SMC). Therefore, the effect of LPA on human benign prostate hyperplasia (BPH) could be of interest.

    Methods The proliferative effect of LPA on cultured human prostatic SMC from specimens obtained at trans-urethral resection of the prostate (TURP) because of BPH, was analyzed by [3H]-thymidine and [35S]-methionine incorporation. In addition, LPA stimulated BPH SMC were treated with papaverin, forskolin, sildenafil or zaprinast, well known to increase the intracellular level of cAMP or cGMP.

    Results LPA produced a dose-dependent increase in BPH SMC, both regarding DNA- and protein-synthesis with EC50 values of 3 and 10 μM, respectively. Furthermore, both papaverin, a general phosphodiesterase inhibitor regarding cAMP hydrolyzes, and forskolin, an adenylyl cyclase stimulating agent, inhibited the LPA-stimulated DNA replication in a dose dependent manner with IC50  = 2.5, and 0.35 μM, respectively. cGMP increasing agents, such as the NO-donors SIN-1 and SNAP, produced a weak anti-proliferative response. However, both phosphodiesterase 5 inhibitors sildenafil (Viagra®) and zaprinast efficiently blocked DNA replication. In addition, when the protein synthesis was examined, we found that the LPA response was significantly inhibited by forskolin and papaverin.

    Conclusions The major conclusion of this investigation is that the endogenous serum component LPA, is able to promote human BPH SMC growth. In addition, our study indicates that cyclic nucleotides can inhibit this effect. Future clinical studies will be needed to determine if different specific phosphodiesterase inhibitors per se or in combination could represent a new therapeutic possibility for the treatment of BPH.

  • 3.
    Adolfsson, Per I.
    et al.
    Linköpings universitet, Institutionen för medicin och vård, Farmakologi. Linköpings universitet, Hälsouniversitetet.
    Ahlstrand, Christer
    Linköpings universitet, Institutionen för biomedicin och kirurgi, Urologi. Linköpings universitet, Hälsouniversitetet.
    Varenhorst, Eberhard
    Linköpings universitet, Institutionen för biomedicin och kirurgi, Urologi. Linköpings universitet, Hälsouniversitetet.
    Hultgren, Sitti
    Linköpings universitet, Institutionen för medicin och vård, Farmakologi. Linköpings universitet, Hälsouniversitetet.
    Svensson, Samuel P. S.
    Linköpings universitet, Institutionen för medicin och vård, Farmakologi. Linköpings universitet, Hälsouniversitetet.
    Characterization of EDG receptor expression and proliferative response in cultured human BPH smooth muscle cellsManuskript (preprint) (Annet vitenskapelig)
    Abstract [en]

    The endogenous phospholipids, lysophosphatidic acid (LPA) and sphingosine 1-phosphate (S1P) are both known to generate a Vvide variety of effects in various cell systems by the endothelial differentiation gene (Edg) receptor family, including 7 different G-protein coupled Edg receptors.

    In this study, expression of LPA- and SlP Edg receptors was examined, and so was the effect with respect to proliferation on cultured BPH smooth muscle cells smc. Mmeover, theresponse on cAMP levels was examined. Finally, a potential link between activation of the MAP kinase cascade and the LPA stimulated proliferation was investigated.

    First, the RT-PCR analysis of the Edg receptors in BPH smc, demonstrated a heterogeneous expression including all receptors except the Edg6 subtype. Further, in contrast to LPA, the mitogen effect of SIP, demonstrated a concentration-dependent biphasic response, including stimulation below 1μM, whereas inhibition was obtained at higher concentrations. Forskolin induced a rapid and transient cAMP response in LPA stimulated cells, with a peak-value after 3 minutes. After 15 minutes the cAMP level had retmned to base-line level. However a gradual increase to 15% of maximum value was obtained after additional 30 minutes, and thereafter a gradual reduction was observed. The mentioned antiproliferative response generated by SIP could not be conelated to an intracellular cAMP increase. Finally, when the LPA treated smc was co-incubated with the MAPK kinase inhibitor PD98059 (10 μM) the mitogen response was eliminated.

    The cAIVIP increase, which was induced by forskolin, corresponds with mentioned antiproliferative effect whereas a similar con-elation was not obtained regarding SIP. The intracellular signal mechanisms triggered by LPA and S1P in BPH smc remain to be further investigated.

  • 4.
    Carlsson, Sigrid
    et al.
    Sahlgrens University Hospital.
    Adolfsson, Jan
    Karolinska Institute.
    Bratt, Ola
    Lund University Hospital.
    Johansson, Jan-Erik
    Örebro University Hospital.
    Ahlstrand, Christer
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Urologi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Kirurgi- och onkologicentrum, Urologiska kliniken i Östergötland.
    Holmberg, Erik
    Sahlgrens University Hospital.
    Stattin, Par
    Umeå University Hospital.
    Hugosson, Jonas
    Sahlgrens University Hospital.
    Nationwide population-based study on 30-day mortality after radical prostatectomy in Sweden2009Inngår i: SCANDINAVIAN JOURNAL OF UROLOGY AND NEPHROLOGY, ISSN 0036-5599, Vol. 43, nr 5, s. 350-356Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Objective. The incidence of prostate cancer in Sweden is increasing rapidly, as is treatment with curative intent. Radical prostatectomy (RP) is currently commonly performed, either within or outside large high-volume centres. The aim of this study was to assess the 30-day mortality rate after RP in Sweden. Material and methods. In this nationwide population-based study, all men diagnosed with localized prostate cancer (andlt;= 70 years, clinical stadium T1-2, prostate-specific antigen andlt;20 ng/ml) who underwent RP in Sweden between 1997 and 2002 were identified through the National Prostate Cancer Register (NPCR). Mortality within 30 days of RP was analysed through linkage between the follow-up study of the NPCR and the Regional Population Registers. The cause of death in the death certificates were compared with data from the hospitals concerned. To validate the results, a record linkage between the Inpatient Register and the National Population Register was also performed. Results. The number of RPs performed increased over time. Among 3700 RPs performed, four deaths occurred during the first 30 days, yielding a 0.11% 30-day mortality rate. These deaths occurred at three different types of hospital and were all probably related to the RP. Conclusion. This study provides further evidence that RP is a procedure with very low perioperative mortality even when performed outside high-volume centres.

  • 5. Henningsohn, L
    et al.
    Wijkstrom, H
    Steven, K
    Pedersen, J
    Ahlstrand, Christer
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för klinisk och experimentell medicin, Urologi. Östergötlands Läns Landsting, Kirurgi- och onkologicentrum, Urologiska kliniken i Östergötland.
    Aus, G
    Kallestrup, EB
    Bergmark, K
    Onelov, E
    Steineck, G
    Relative importance of sources of symptom-induced distress in urinary bladder cancer survivors2003Inngår i: European Urology, ISSN 0302-2838, E-ISSN 1873-7560, Vol. 43, nr 6, s. 651-662Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Objective: The influence of specific symptoms on emotions and social activities in the individual patient vanes. Little is known about this variation in urinary bladder cancer survivors (in other words, about the relative importance of sources of symptom-induced distress). Methods: We attempted to enrol 404 surgical patients treated with cystectomy and a conduit or reservoir in four Swedish towns (Stockholm, Orebro, Jonkoping, Linkoping), 101 surgical patients treated with cystectomy and orthotopic neobladder at the Herlev Hospital in Copenhagen, Denmark, and 71 patients treated with radical radiotherapy for bladder cancer, as well as 581 men and women controls in Stockholm and Copenhagen. An anonymous postal questionnaire was used to collect the information. Results: A total of 503 out of 576 (87%) treated patients and 422 out of 581 (73%) controls participated but 59 patients were excluded. The primary source of self-assessed distress among cystectomised patients was compromised sexual function, reduced intercourse frequency caused great distress in 19% of the conduit patients, 20% of the reservoir patients and 19% of the bladder substitute patients. The primary source of self-assessed distress in patients treated with radical radiotherapy was symptoms from the bowel, 17% reported great distress due to diarrhoea, 16% due to abdominal pain, 14% due to defecation urgency and 14% due to faecal leakage. The highest proportion of subjects being distressed was 93% (substantial: 43%, moderate: 29% and little: 21%) for treated upper or lower urinary retention (indwelling catheter or nephrostomy). Conclusion: The distress caused by a specific symptom varies considerably and the prevalence of symptoms causing great distress differs between treatments in bladder cancer survivors. It is possible that patient care and clinical research can be made more effective by focusing on important sources of symptom-induced distress. (C) 2003 Elsevier Science B.V. All rights reserved.

  • 6. Henningsohn, L
    et al.
    Wijkström, H
    Pedersen, J
    Ahlstrand, Christer
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för biomedicin och kirurgi, Urologi. Östergötlands Läns Landsting, Kirurgi- och onkologicentrum, Urologiska kliniken i Östergötland.
    Aus, G
    Bergmark, K
    Onelöv, E
    Steineck, G
    Time after surgery, symptoms and well-being in survivors of urinary bladder cancer2003Inngår i: BJU International, ISSN 1464-4096, E-ISSN 1464-410X, Vol. 91, nr 4, s. 325-330Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    OBJECTIVE: To evaluate how an increasing burden of symptoms influences well-being, anxiety and depression at different intervals after a radical cystectomy with urostomy for bladder cancer, as this therapy can induce long-term distressful symptoms. PATIENTS AND METHODS: Patients with bladder cancer undergoing radical cystectomy in Stockholm between 1969 and 1995 were matched with 434 controls from the normal population, all 404 patients operated on between 1985 and 1995 at three other hospitals in Sweden were invited to enter the study. The final analysis included 306 patients and 310 controls, all assessed for symptoms and well-being. RESULTS: A low or moderate level of well-being was reported by 35% of the patients having none or one of the symptoms studied, by 39% with two symptoms, by 45% with three symptoms and by 66% of those with four or more symptoms. The values, irrespective of symptom burden, were 45% after 2-5 years of follow-up, 58% after 6-10 years and 38% at > 10 years after surgery. The total symptom burden also influenced the risk of anxiety and depression. Symptom prevalence remained largely unaffected by the duration of follow-up, except for defecation urgency. CONCLUSIONS: The number of long-term symptoms after radical surgery with a urostomy for urinary bladder cancer affects the risk of anxiety, depression and low or moderate well-being.

  • 7. Kristjansson, B.
    et al.
    Carlsson, Per
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för hälsa och samhälle, Centrum för utvärdering av medicinsk teknologi.
    Ahlstrand, Christer
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för biomedicin och kirurgi, Avdelningen för kirurgi. Östergötlands Läns Landsting, Kirurgi- och onkologicentrum, Urologiska kliniken i Östergötland.
    Folkestad, Bengt
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för biomedicin och kirurgi, Avdelningen för kirurgi. Östergötlands Läns Landsting, Kirurgi- och onkologicentrum, Urologiska kliniken i Östergötland.
    Spångberg, Anders
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för biomedicin och kirurgi, Avdelningen för kirurgi. Östergötlands Läns Landsting, Kirurgi- och onkologicentrum, Urologiska kliniken i Östergötland.
    Routine measurements of Health Outcome in Management of Patients with Benign Prostatic Hyperplasia (BPH)1998Inngår i: Outcome measuring : "outcome-measures make sense; do they make a difference?", Stockholm: Spri , 1998Kapittel i bok, del av antologi (Annet vitenskapelig)
  • 8.
    Thulin, Helena
    et al.
    Karolinska Institute.
    Kreicbergs, Ulrika
    Karolinska Institute.
    Onelov, Erik
    Karolinska Institute.
    Ahlstrand, Christer
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Urologi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Centrum för kirurgi, ortopedi och cancervård, Urologiska kliniken i Östergötland.
    Carringer, Malcolm
    Orebro University Hospital .
    Holmang, Sten
    Sahlgrens University Hospital.
    Ljungberg, Borje
    Norrlands University Hospital.
    Malmstrom, Per-Uno
    Uppsala University.
    Robinsson, David
    Ryhov County Hospital.
    Wijkstrom, Hans
    Karolinska University.
    Wiklund, N. Peter
    Karolinska Institute.
    Steineck, Gunnar
    Karolinska Institute.
    Henningsohn, Lars
    Karolinska Institute.
    Defecation disturbances after cystectomy for urinary bladder cancer2011Inngår i: BJU International, ISSN 1464-4096, E-ISSN 1464-410X, Vol. 108, nr 2, s. 196-203Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    OBJECTIVE To describe and compare long-term defecation disturbances in patients who had undergone a cystectomy due to urinary bladder cancer with non-continent urostomies, continent reservoirs and orthotopic neobladder urinary diversions. PATIENTS AND METHODS During their follow-up we attempted to contact all men and women aged 30-80 years who had undergone cystectomy and urinary diversion at seven Swedish hospitals. During a qualitative phase we identified defecation disturbances as a distressful symptom and included this item in a study-specific questionnaire together with freehand comments. The patients completed the questionnaire at home. Outcome variables were dichotomized and the results are presented as relative risks with 95% confidence interval. RESULTS The questionnaire was returned from 452 (92%) of 491 identified patients. Up to 30% reported problems with the physiological emptying process of stool (bowel movement, sensory rectal function, awareness of need for defecation, motoric rectal and anal function, straining ability). A sense of decreased straining capacity was reported by 20% of the men and women with non-continent urostomy and 14% and 8% of those with continent reservoirs and orthotopic neobladders, respectively. CONCLUSIONS Of the cystectomized individuals 30% reported problems with the physiological emptying process of stool (bowel movement, sensory rectal function, awareness of need for defecation, motoric rectal and anal function, straining ability). Those wanting to improve the situation for bladder cancer survivors may consider communicating before surgery the possibility of stool-emptying problems, and asking about them after surgery.

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