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| 2. |
- Abul-Kasim, Kasim, et al.
(författare)
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Advanced radiological work-up as an adjunct to decision in early reconstructive surgery in brachial plexus injuries
- 2010
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Ingår i: Journal of Brachial Plexus and Peripheral Nerve Injury. - : BioMed Central. - 1749-7221. ; 5, s. 14-
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Tidskriftsartikel (refereegranskat)abstract
- BackgroundAs neurophysiologic tests may not reveal the extent of brachial plexus injury at the early stage, the role of early radiological work-up has become increasingly important. The aim of the study was to evaluate the concordance between the radiological and clinical findings with the intraoperative findings in adult patients with brachial plexus injuries.MethodsSeven consecutive male patients (median age 33; range 15-61) with brachial plexus injuries, caused by motor cycle accidents in 5/7 patients, who underwent extensive radiological work-up with magnetic resonance imaging (MRI), computed tomography myelography (CT-M) or both were included in this retrospective study. A total of 34 spinal nerve roots were evaluated by neuroradiologists at two different occasions. The degree of agreement between the radiological findings of every individual nerve root and the intraoperative findings was estimated by calculation of kappa coefficient (К-value). Using the operative findings as a gold standard, the accuracy, sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of the clinical findings and the radiological findings were estimated.ResultsThe diagnostic accuracy of radiological findings was 88% compared with 65% for the clinical findings. The concordance between the radiological findings and the intraoperative findings was substantial (К = 0.76) compared with only fair (К = 0.34) for the clinical findings. There were two false positive and two false negative radiological findings (sensitivity and PPV of 0.90; specificity and NPV of 0.87).ConclusionsThe advanced optimized radiological work-up used showed high reliability and substantial agreement with the intraoperative findings in adult patients with brachial plexus injury.
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- Agardh, Anette, et al.
(författare)
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Social capital and sexual behavior among Ugandan university students
- 2010
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Ingår i: Global health action. - : Informa UK Limited. - 1654-9880 .- 1654-9716. ; 3
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Tidskriftsartikel (refereegranskat)abstract
- In general, social capital was associated with less risky sexual behavior in our sample. However, gender and role of religion modified the effect so that we can not assume that risky sexual behavior is automatically reduced by increasing social capital in a highly religious society. The findings indicate the importance of understanding the interplay between social capital, religious influence, and gender issues in HIV/AIDS preventive strategies in Uganda.
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| 4. |
- Akre, Olof, et al.
(författare)
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Mortality Among Men with Locally Advanced Prostate Cancer Managed with Noncurative Intent: A Nationwide Study in PCBaSe Sweden
- 2011
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Ingår i: European Urology. - : Elsevier BV. - 1873-7560 .- 0302-2838. ; 60:3, s. 554-563
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Tidskriftsartikel (refereegranskat)abstract
- Background: There are limited prognostic data for locally advanced prostate cancer PCa to guide in the choice of treatment. Objective: To assess mortality in different prognostic categories among men with locally advanced PCa managed with noncurative intent. Design, setting, and participants: We conducted a register-based nationwide cohort study within the Prostate Cancer DataBase Sweden. The entire cohort of locally advanced PCa included 14 908 men. After the exclusion of 2724 (18%) men treated with curative intent, 12 184 men with locally advanced PCa either with local clinical stage T3 or T4 or with T2 with serum levels of prostate-specific antigen (PSA) between 50 and 99 ng/ml and without signs of metastases remained for analysis. Measurements: We followed up the patient cohort in the Cause of Death Register for <= 11 yr and assessed cumulative incidence of PCa -specific death stratified by age and clinical characteristics. Results and limitations: The PCa -specific mortality at 8 yr of follow-up was 28% (95% confidence interval [CI], 25-32%) for Gleason score (GS) 2-6, 41% (95% CI, 38-44%) for GS 7, 52% (95% CI, 47-57%) for GS 8, and 64% (95% CI, 59-69%) for GS 9-10. Even for men aged >85 yr at diagnosis with GS 8-10, PCa was a major cause of death: 42% (95% CI, 37-47%). Men with locally advanced disease and a PSA <4 ng/ml at diagnosis were at particularly increased risk of dying from PCa. One important limitation is the lack of bone scans in 42% of the patient cohort, but results remained after exclusion of patients with unknown metastasis status. Conclusions: The PCa-specific mortality within 8 yr of diagnosis is high in locally advanced PCa, suggesting undertreatment, particularly among men in older age groups. Our results underscore the need for more studies of treatment with curative intent for locally advanced tumors. (C) 2011 European Association of Urology. Published by Elsevier B.V. All rights reserved.
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| 5. |
- Almquist, Martin, et al.
(författare)
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Metabolic factors and risk of thyroid cancer in the Metabolic syndrome and Cancer project (Me-Can)
- 2011
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Ingår i: Cancer Causes and Control. - : Springer. - 0957-5243 .- 1573-7225. ; 22:5, s. 743-751
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Tidskriftsartikel (refereegranskat)abstract
- Objective To investigate metabolic factors and their possible impact on risk of thyroid cancer. Methods A prospective cohort study was conducted based on seven population-based cohorts in Norway, Austria, and Sweden, in the Metabolic syndrome and Cancer project (Me-Can). Altogether 578,700 men and women with a mean age of 44.0 years at baseline were followed for on average 12.0 years. Relative risk of incident thyroid cancer was assessed by levels of BMI, blood pressure, and blood levels of glucose, cholesterol, triglycerides, and by a combined metabolic syndrome (MetS) score. Risk estimates were investigated for quintiles, and a z score distribution of exposures was analyzed using Cox proportional hazards regression. Results During follow-up, 255 women and 133 men were diagnosed with thyroid cancer. In women, there was an inverse association between glucose and thyroid cancer risk, with adjusted RR: 95% CI was 0.61 (0.41–0.90), p trend = 0.02 in the fifth versus the first quintile, and a positive association between BMI and thyroid cancer risk with a significant trend over quintiles. There was no association between the other metabolic factors, single or combined (Met-S), and thyroid cancer. Conclusion In women, BMI was positively, while blood glucose levels were inversely, associated with thyroid cancer.
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| 6. |
- Almqvist, Catarina, et al.
(författare)
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LifeGene - A large prospective population-based study of global relevance
- 2011
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Ingår i: European Journal of Epidemiology. - Stockholm : Springer Science and Business Media LLC. - 0393-2990 .- 1573-7284. ; 26:1, s. 67-77
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Tidskriftsartikel (refereegranskat)abstract
- Studying gene-environment interactions requires that the amount and quality of the lifestyle data is comparable to what is available for the corresponding genomic data. Sweden has several crucial prerequisites for comprehensive longitudinal biomedical research, such as the personal identity number, the universally available national health care system, continuously updated population and health registries and a scientifically motivated population. LifeGene builds on these strengths to bridge the gap between basic research and clinical applications with particular attention to populations, through a unique design in a research-friendly setting. LifeGene is designed both as a prospective cohort study and an infrastructure with repeated contacts of study participants approximately every 5 years. Index persons aged 18-45 years old will be recruited and invited to include their household members (partner and any children). A comprehensive questionnaire addressing cutting-edge research questions will be administered through the web with short follow-ups annually. Biosamples and physical measurements will also be collected at baseline, and re-administered every 5 years thereafter. Event-based sampling will be a key feature of LifeGene. The household-based design will give the opportunity to involve young couples prior to and during pregnancy, allowing for the first study of children born into cohort with complete pre-and perinatal data from both the mother and father. Questions and sampling schemes will be tailored to the participants' age and life events. The target of LifeGene is to enrol 500,000 Swedes and follow them longitudinally for at least 20 years.
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| 8. |
- Andersen, Mette K., et al.
(författare)
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Paediatric B-cell precursor acute lymphoblastic leukaemia with t(1;19)(q23;p13) : clinical and cytogenetic characteristics of 47 cases from the Nordic countries treated according to NOPHO protocols
- 2011
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Ingår i: British Journal of Haematology. - Oxford : Wiley. - 0007-1048 .- 1365-2141. ; 155:2, s. 235-243
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Tidskriftsartikel (refereegranskat)abstract
- The translocation t(1;19)(q23;p13)/der(19) t(1;19) is a risk stratifying aberration in childhood B-cell precursor acute lymphoblastic leukaemia (BCP ALL) in the Nordic countries. We have identified 47 children/adolescents with t(1;19)/der(19) t(1;19)-positive BCP ALL treated on two successive Nordic Society of Paediatric Haematology and Oncology (NOPHO) protocols between 1992 and 2007 and have reviewed the clinical and cytogenetic characteristics of these cases, comprising 1.8% of all cases. The translocation was balanced in 15 cases (32%) and unbalanced in 29 cases (62%). The most common additional chromosome abnormalities were del(9p), i(9q), del(6q), and del(13q). The median age was 7 years, the median white blood cell (WBC) count was 16 x 10(9)/l, and the female/male ratio was 1.2. The predicted event-free survival (EFS) at 5 and 10 years was 0.79, whereas the predicted overall survival (OS) at 5 and 10 years was 0.85 and 0.82, respectively. Nine patients had a bone marrow relapse after a median of 23 months; no patient had a central nervous system relapse. Additional cytogenetic abnormalities, age, gender, WBC count or whether the t(1;19) was balanced or unbalanced did not influence EFS or OS. Compared to cases with t(12,21) and high hyperdiploidy, EFS was similar, but overall survival was worse in patients with t(1;19)/der(19) t(1;19) (P = 0.004).
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| 10. |
- Andersson, Kristin, et al.
(författare)
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The interface of population-based cancer registries and biobanks in etiological and clinical research : current and future perspectives
- 2010
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Ingår i: Acta Oncologica. - 0284-186X .- 1651-226X. ; 49:8, s. 1227-1234
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: The availability of quality assured, population-based cancer registries and biobanks with high quality samples makes it possible to conduct research on large samples sets with long follow-up within a reasonable time frame. Defined quality for both cancer registries and biobanks is essential for enabling high quality biobank-based research. Recent networking projects have brought these infrastructures together to promote the combined use of cancer registries and biobanks in cancer research.MATERIALS AND METHODS: In this report we review the current status and future perspectives of cancer registries and biobanks and how the interface between them should be developed to optimally further cancer research.RESULTS AND DISCUSSION: Major conclusions for future improvements are that the research exploiting cancer registries and biobanks, and the research that is building and optimising the infrastructure, should evolve together for maximally relevant progress. Population-based and sustainable biobanks that continuously and consecutively store all samples ("Biological registries") under strict quality control are needed. There is also a need for increased education, information and visibility of the interdisciplinary sciences required for optimal exploitation of these resources.
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