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Sökning: WFRF:(Varenhorst Eberhard)

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11.
  • Davidsson, Sabina, et al. (författare)
  • Inflammation, Focal Atrophic Lesions, and Prostatic Intraepithelial Neoplasia with Respect to Risk of Lethal Prostate Cancer
  • 2011
  • Ingår i: Cancer Epidemiology, Biomarkers and Prevention. - : American Association for Cancer Research. - 1055-9965 .- 1538-7755. ; 20:10, s. 2280-2287
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: A challenge in prostate cancer (PCa) management is identifying potentially lethal disease at diagnosis. Inflammation, focal prostatic atrophy, and prostatic intraepithelial neoplasia (PIN) are common in prostate tumor specimens, but it is not clear whether these lesions have prognostic significance. less thanbrgreater than less thanbrgreater thanMethods: We conducted a case-control study nested in a cohort of men diagnosed with stage T1a-b PCa through transurethral resection of the prostate in Sweden. Cases are men who died of PCa (n = 228). Controls are men who survived more than 10 years after PCa diagnosis without metastases (n = 387). Slides were assessed for Gleason grade, inflammation, PIN, and four subtypes of focal prostatic atrophy: simple atrophy (SA), postatrophic hyperplasia (PAH), simple atrophy with cyst formation, and partial atrophy. We estimated OR and 95% CI for odds of lethal PCa with multivariable logistic regression. less thanbrgreater than less thanbrgreater thanResults: Chronic inflammation and PIN were more frequently observed in tumors with PAH, but not SA. No specific type of atrophy or inflammation was significantly associated with lethal PCa overall, but there was a suggestion of a positive association for chronic inflammation. Independent of age, Gleason score, year of diagnosis, inflammation, and atrophy type, men with PIN were 89% more likely to die of PCa (95% CI: 1.04-3.42). less thanbrgreater than less thanbrgreater thanConclusion: Our data show that PIN, and perhaps presence of moderate or severe chronic inflammation, may have prognostic significance for PCa. less thanbrgreater than less thanbrgreater thanImpact: Lesions in tumor adjacent tissue, and not just the tumor itself, may aid in identification of clinically relevant disease.
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12.
  • Ebbinge, Maria, et al. (författare)
  • Clinical and prognostic significance of changes in haemoglobin concentration during 1 year of androgen-deprivation therapy for hormone-naive bone-metastatic prostate cancer
  • 2018
  • Ingår i: BJU International. - : WILEY. - 1464-4096 .- 1464-410X. ; 122:4, s. 583-591
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective To estimate the strength of change in haemoglobin (Hb) concentrations during 1 year of androgen-deprivation therapy (ADT) as a predictor of survival in hormone-naive patients with bone-metastatic (Stage M1b) prostate cancer. Patients and Methods The patients included in this study were taken from the randomised trial (number 5) carried out by the Scandinavian Prostate Cancer Group (SPCG), comparing parenteral oestrogen with total androgen blockade (TAB) in hormone-naive M1b prostate cancer. We identified 597 men where Hb measurements were made at enrolment, as well as at 3, 6 and 12 months of ADT. The time-dependent impact of Hb concentration changes on overall survival (OS) was analysed using multivariate Cox proportional hazards analysis. The 10-year OS according to increase/decrease in Hb concentration for the three treatment periods was demonstrated using Kaplan-Meier curves. Results Multivariate analysis of changes in Hb concentration between baseline and 3 months showed better survival in patients with a decrease in Hb concentration (hazard ratio [HR] 1.42, 95% confidence interval [CI] 1.11-1.80) compared to those with an increase, whilst there was no difference in survival associated with a change in Hb concentration between 3 and 6 months (HR 0.93, 95% CI 0.76-1.12). Contrary to the first 3 months, poorer survival was seen in patients with a decrease in Hb concentration between 6 and 12 months (HR 0.76, 95% CI 0.62-0.92) compared to those with an increase. Conclusions In a large cohort of Scandinavian men with hormone-nave M1b prostate cancer, an increase in Hb concentration between baseline and 3 months of ADT was associated with significantly poorer survival, whereas an increase between 6 and 12 months was associated with better survival. These findings provide new information about patterns of change in Hb concentrations during 12 months of ADT for M1b prostate cancer, and survival. Clinicians should be aware of the prognostic value of Hb concentration changes during ADT in M1b prostate cancer.
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13.
  • Fall, Katja, et al. (författare)
  • Reliability of death certificates in prostate cancer patients
  • 2008
  • Ingår i: Scandinavian Journal of Urology and Nephrology. - : Informa UK Limited. - 0036-5599 .- 1651-2065. ; 42:4, s. 352-357
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To evaluate the reliability of cause-of-death diagnoses among prostate cancer patients. MATERIAL AND METHODS: Information from death certificates obtained from the Swedish Death Register was compared with systematically reviewed medical records from the population-based Swedish Regional Prostate Cancer Register, South-East Region. In total, 5675 patients were included who had been diagnosed with prostate cancer between 1987 and 1999 and who had died before 1 January 2003. RESULTS: The proportion of prostate cancer cases classified as having died from prostate cancer was 3% higher in the official death certificates than in the reviewed records [0.03, 95% confidence interval (CI) 0.02 to 0.04]. Overall agreement between the official cause of death and the reviewed data was 86% (95% CI 85 to 87%). A higher accuracy was observed among men with localized disease (88%, 95% CI 87 to 89%), aged 60 years or younger at death (96%, 95% CI 93 to 100%), or who had undergone curative treatment (91%, 95% CI 88 to 95%). This study indicates a relatively high reliability of official cause-of-death statistics of prostate cancer patients in Sweden. CONCLUSION: Mortality data obtained from death certificates may be useful in the evaluation of large-scale prostate cancer intervention programmes, especially among younger patients with localized disease.
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14.
  • Hedlund, P. O., et al. (författare)
  • Parenteral estrogen versus combined androgen deprivation in the treatment of metastatic prostatic cancer : Part 2. Final evaluation of the Scandinavian Prostatic Cancer Group (SPCG) Study No. 5
  • 2008
  • Ingår i: Scandinavian Journal of Urology and Nephrology. - : Informa UK Limited. - 0036-5599 .- 1651-2065. ; 42:3, s. 220-229
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective. To compare parenteral estrogen therapy in the form of high-dose polyestradiol phosphate (PEP, Estradurin®) with combined androgen deprivation (CAD) in the treatment of prostate cancer patients with skeletal metastases. The aim of the study was to compare anticancer efficacy and adverse events, especially cardiovascular events. Material and methods. In total, 910 eligible patients with T0-4, NX, M1, G1-3 prostate cancer with an Eastern Cooperative Oncology Group performance status of 0-2 were randomized to treatment with either PEP 240mg i.m. twice a month for 2months and thereafter monthly, or flutamide (Eulexin®) 250mg t.i.d. per os in combination with either triptorelin (Decapeptyl®) 3.75mg i.m. per month or on an optional basis bilateral orchidectomy. Results. At this final evaluation of the trial 855 of the 910 patients were dead. There was no difference between the treatment groups in terms of biochemical or clinical progression-free survival or in overall or disease-specific survival. There was no difference in cardiovascular mortality, but a significant increase in non-fatal cardiovascular events in the PEP arm (p<0.05) predominantly caused by an increase in ischemic heart and heart decompensation events. There were 18 grave skeletal events in the CAD group but none in the PEP group (p=0.001). Conclusions. PEP has an anticancer efficacy equal to CAD and does not increase cardiovascular mortality in metastasized patients, but carries a significant risk of non-fatal cardiovascular events, which should be balanced against the skeletal complications in the CAD group. It is feasible to use Estradurin in the primary or secondary endocrine treatment of metastasized patients without prominent cardiac risk factors and especially those with osteoporosis. © 2008 Taylor & Francis.
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16.
  • Hedlund, Pe rOlov, et al. (författare)
  • Significance of pretreatment cardiovascular morbidity as a risk factor during treatment with parenteral oestrogen or combined androgen deprivation of 915 patients with metastasized prostate cancer: Evaluation of cardiovascular events in a randomized trial
  • 2011
  • Ingår i: Scandinavian Journal of Urology and Nephrology. - London : Informa Healthcare. - 0036-5599 .- 1651-2065. ; 45:5, s. 346-353
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective. This study aimed to evaluate prognostic risk factors for cardiovascular events during treatment of metastatic prostate cancer patients with high-dose parenteral polyoestradiol phosphate (PEP, Estradurin (R)) or combined androgen deprivation (CAD) with special emphasis on pretreatment cardiovascular disease. Material and methods. Nine-hundred and fifteen patients with T0-4, Nx, M1, G1-3, hormone- naive prostate cancer were randomized to treatment with PEP 240 mg i.m. twice a month for 2 months and thereafter monthly, or to flutamide (Eulexin (R)) 250 mg per os three times daily in combination with either triptorelin (Decapeptyl (R)) 3.75 mg i.m. per month or on an optional basis with bilateral orchidectomy. Pretreatment cardiovascular morbidity was recorded and cardiovascular events during treatment were assessed by an experienced cardiologist. A multivariate analysis was done using logistic regression. Results. There was a significant increase in cardiovascular events during treatment with PEP in patients with previous ischaemic heart disease (p = 0.008), ischaemic cerebral disease (p = 0.002), intermittent claudication (p = 0.031) and especially when the whole group of patients with pretreatment cardiovascular diseases was analysed together (p andlt; 0.001). In this group 33% of the patients had a cardiovascular event during PEP treatment. In the multivariate analysis PEP stood out as the most important risk factor for cardiac complications (p = 0.029). Even in the CAD group there was a significant increase in cardiovascular events in the group with all previous cardiovascular diseases taken together (p = 0.036). Conclusions. Patients with previous cardiovascular disease are at considerable risk of cardiovascular events during treatment with high-dose PEP and even during CAD therapy. Patients without pretreatment cardiovascular morbidity have a moderate cardiovascular risk during PEP treatment and could be considered for this treatment if the advantages of this therapy, e. g. avoidance of osteopenia and hot flushes and the low price, are given priority.
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18.
  • Hjertberg, Hans, 1946- (författare)
  • The use of ethanol as a marker to detect and quantify the absorption of irrigation fluid during transurethral resection of the prostate
  • 1996
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • During transurethral resection of the prostate (TURP), the irrigation fluid is often absorbed by the circulatory system and/or the region around the prostate occasionally resulting in severe signs and symptoms. Instant detection and quantification of absorption of irrigation fluid have not been possible earlier. A method involving tagging of the irrigation fluid with ethamol for detection and quantification of absorbed irrigation fluid by measurement of ethanol in expired breath (EB) has been developed. The validity of measuring El3 ethanol to detect and quantify absorbed irrigation fluid was studied in 13 patients undergoing TURF. The EB ethanol was compared with three other methods: 1. Isotope tagging of the irrigation fluid and detection of absorbed fluid using a scintillation detector placed over large blood vessels. 2. Measuring changes in serum-sodium every 10 min. 3. Regular interval monitoring (RIM) of the difference between volume used for inigation and volume recovered from patients every 10 min. The method of measming El3 ethanol was found to be highly valid. The possibility of detecting absorption and the incidence of absorption using EB ethanol in the clinical routine was studied in 192 patients undergoing TURP. Half of them absorbed irrigation fluid, 25% absorbed more than 400 ml. The proportion of patients absorbing inigationlhlld was the same for both experienced and inexperienced resectionists. Clinical assessment of absorption of irrigation fluid was perfonned by the resectionists and the supervising nurses in 118 patients undergoing TURP. Prerequisites for massive absorption were found by the resectionist in 8/9 patients. The resectionist falsely indicated absorption in 22 patients. The nurses conectly indicated 3/9 patients and falsely indicated 4 patients. To investigate the method measuring EB ethanol to detect absorption of inigation fluid during general anaesthesia, 20 patients undervent TURP and EB ethanol was compared to the RIM method. There was a good correlation between the methods. Elevated pressure in the bladder-prostatic fossa is a prerequisite for absorption of irrigation fluid. Detection and quantification of absorbed irrigation fluid by EB ethanol was used for eompming 102 patients operated on with and without a pressure warning device alarming at 1.5 kPa in the bladder. Using the device reduced both the volume of absorbed irrigation fluid, and the number of patients absorbing irrigation fluid. Both ethanol per se and haemodilution by absorbed irrigation fluid may have impacts on the coagulation system. To investigate the influence of absorption of ethanol tagged mannitol on bleeding time, measurements were perl'omed before and after TURP in 57 patients. No difference in bleeding time was found among patients who absorbed irrigation fluid as compared to those who did not. In conclusion, measurement of ethanol in EB for detection and qum1tification of absorbed irrigation fluid is a highly valid method when compared to three other methods. Absorption of irrigation fluid was found in 50% of the patients tmdergoing TURP. Clinical assessments of absorption of irrigation fluid are inreliable. EB ethanol can be used in patients dllling general anaesthesia. Using a pressure warning device decreases the volume of absorbed irrigation fluid, a~ well as the number of patients absorbing it. Absorption of etillmol tagged mannitol as irrigation fluid has no influence on bleeding time.
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19.
  • Holmberg, Håkan, et al. (författare)
  • Economic evaluation of screening for prostate cancer : a randomized populaionbased programme during a 10 year period in Sweden
  • 1998
  • Ingår i: Health Policy. - 0168-8510 .- 1872-6054. ; 45:2, s. 133-147
  • Tidskriftsartikel (refereegranskat)abstract
    • Prostate cancer is a growing health problem representing considerable costs. Screening and early curative treatment may reduce morbidity and possibly prevent future escalating costs. However, population screening programmes are generally not well accepted at present due to uncerainty about whether screening for prostate cancer can result in reduced mortality. Evidence from large, randomized, controlled trials is still lacking. The objective of this study was to calculate clinical and economic consequences of general prostate cancer screening based on a limited screening trial in a Swedish community and a decision-tree model. A random selection of 1492 men (50–69 years) were invited to repeated screening in 1987. They have been examined every third year (four rounds). The other 7679 men in the population act as controls. The results show that the total incremental health care costs for prostate cacer will increase by 179 million SEK per year with screening compared to no-screening. The number of detected cases of localized cancer will increase by about 1000, which represents an additional cost of about 158 000 SEK per case. In conclusion, general screening for prostate cancer can be performed with a reasonable cost per detected localized cancer. Information on the long-term effect on life quality and cancer mortality is unknown.
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20.
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