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- Sjöström, Lars, et al.
(author)
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Swedish obese subjects (SOS). Recruitment for an intervention study and a selected description of the obese state
- 1992
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In: International Journal of Obesity. ; 19, s. 465-479
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Journal article (peer-reviewed)abstract
- Department of Medicine, Sahlgren's Hospital, University of Göteborg, Sweden. SOS (Swedish obese subjects) is an on-going intervention trial designed to determine whether the mortality and morbidity rates among obese individuals who lose weight by surgical means (gastric banding, vertical banded gastroplasty and gastric by-pass) differ from the rates associated with conventional treatment. For this purpose, the study is recruiting a sample of obese men and women who constitute a registry of potential subjects from which the participants are drawn. Eligibility criteria for participation in the registry were: age at application 37-57 years and BMI greater than or equal to 34 kg/m2 for men and greater than or equal to 38 kg/m2 for women. Before receiving a health examination, all patients complete extensive questionnaires on current and past health status, utilization of medical care and medications, socio-economic status, psychological profiles, dietary habits, physical activity, weight history, and familial disposition to obesity. Each surgical case is matched to its optimal control in the registry, to ensure that the two groups do not differ systematically with respect to any of 18 matching variables that may affect prognosis. The first 1006 subjects included in the registry have been studied with respect to morbidity and compared with on-going population studies of men and women in Göteborg, Sweden. The relative risks of prevalent disease and symptoms associated with obesity in 50-year-old males and females respectively were 4.3 and 4.7 (dyspnoea), 14.7 and 11.8 (angina), 6.3 (myocardial infarction, males only), 2.1 and 4.5 (hypertension), 5.2 and 6.6 (diabetes), 4.6 and 26.1 (claudication) and 1.7 and 1.8 (gall bladder disease). Correspondingly, obese males and females display elevations of systolic and diastolic blood pressure, fasting glucose, insulin, triglyceride, and uric acid levels. However, total cholesterol was not increased in obese males and was in fact significantly lower in obese compared with reference women. HDL-cholesterol was lower in obese than reference men (data were not available in reference women). The rate of taking sick pensions was over twice as high in SOS obese patients than in population controls. Finally, comparison of measurements with self-reported prevalence estimates revealed a considerable amount of previously undiagnosed hypertension and diabetes in the obese subjects. These data suggest that the excess health risks associated with obesity may not be fully appreciated. PMID: 1322873 [PubMed - indexed for MEDLINE]
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- Skar, H., et al.
(author)
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Multiple HIV-1 introductions into the Swedish intravenous drug user population
- 2008
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In: Infection, Genetics and Evolution. - : Elsevier BV. - 1567-1348 .- 1567-7257. ; 8:5, s. 545-552
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Journal article (peer-reviewed)abstract
- In 2001, an increase of HIV-1 diagnoses among intravenous drug users (IVDU) was reported in Sweden. In nearby countries, Finland, Russia and the Baltic states, recent outbreaks had been described. Since there was a concern that these outbreaks would carry over to Sweden a study was initiated to determine the factors leading to the Swedish increase of HIV-1 diagnosed IVDUs. HIV-1 env V3 sequences were obtained from 97 patients enrolled in ongoing epidemiological studies encompassing the years 1987-2004 with a focus on 2001-2002. The sequences were used for maximum likelihood and Bayesian inference of the molecular epidemiology. Among the virus spreading in 2001-2002, we found that four different subtypes/CRFs were present in the Swedish IVDU population (A, B, CRF01_AE and CRF06_cpx). Subtype B constituted 85% of the infections, established by 12 independent introductions into the IVDU population. The worrisome increase in 2001 was mainly not a result of import of the outbreaks in nearby countries, but rather a higher detection rate of secondary cases due to efficient epidemiological tracing of the generally slow spread of established forms of subtype B in the IVDU community. However, a few of the non-subtype B cases were linked to the outbreaks in Finland, Estonia and Latvia. Because HIV-1 outbreaks can easily be exported from one country to another amongst IVDUs, this prompts continued surveillance in the Baltic Sea Region.
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- Sylvan, G N, et al.
(author)
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Deformation driving intruder orbitals in Kr-77
- 1997
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In: Physical Review C. Nuclear Physics. - 0556-2813 .- 1089-490X. ; 56:2, s. 772-781
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Journal article (peer-reviewed)abstract
- High-spin states in Kr-77 were identified via analysis of prompt gamma-gamma coincidences in the Ni-58(Si-29,2 alpha 2p) reaction at 128 MeV at the Gammasphere facility. Evaporation channel selection was achieved using the 95 element Microball charged-particle detector. 27 new states and 42 new transitions were found, The positive-parity bands were confirmed and the alpha=-1/2 band extended to 39/2(+). The negative-parity signature pair was extended to 31/2(-) and 37/2(-). Two new high-lying negative-parity bands were found extending from a state of spin I = 15/2 and energy 2.6 MeV to 17.4 MeV at I = (55/2). The new bands appear highly deformed and become yrast at high spin. A three-quasiparticle structure based on deformation driving, low-K unique-parity and intruder orbitals is suggested for them.
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