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- Nilsson, Thomas, 1965, et al.
(författare)
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Neutron Momentum Distributions from Core Break-up Reactions of Halo Nuclei
- 1995
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Ingår i: Europhysics Letters. - 0295-5075 .- 1286-4854. ; 30:1, s. 19-24
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Tidskriftsartikel (refereegranskat)abstract
- Neutron angular distributions from violent break-up reactions of Li-11 and Be-11 have been measured at 28 MeV/u and 280 MeV/u and at 41 MeV/u and 460 MeV/u, respectively. The derived neutron momentum distributions show a narrow component in transverse momentum that is within uncertainties independent of beam energy and target charge. This component is suggested to be simply related to the momentum distribution of the loosely bound halo neutron(s) in the projectiles.
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- Johannsson, Gudmundur, 1960, et al.
(författare)
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Effects of 1 year of growth hormone therapy on serum lipoprotein levels in growth hormone-deficient adults. Influence of gender and Apo(a) and ApoE phenotypes.
- 1995
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Ingår i: Arteriosclerosis, thrombosis, and vascular biology. - 1079-5642. ; 15:12, s. 2142-50
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Tidskriftsartikel (refereegranskat)abstract
- We investigated the influence of gender and apoE and apo(a) phenotypes as well as the effect of the metabolic effects of growth hormone (GH) on the effect of GH therapy on serum lipoprotein concentrations in GH-deficient (GHD) adults. Forty-four consecutive patients, 30 men and 14 women aged 46.5 (range, 19 to 76) years with GHD due mainly to pituitary tumors, were treated with recombinant human GH for 12 months. Serum concentrations of lipoproteins, insulin, thyroxine, and insulin-like growth factor-I were determined, body composition was assessed by bioelectrical impedance, and apo(a) and apoE phenotypes were analyzed. Lipoprotein(a) [Lp(a)] concentrations in the GHD subjects were compared with a gender- and apo(a) phenotype-matched control group. After 12 months of GH treatment, the total cholesterol, LDL cholesterol, and apoB concentrations decreased, the HDL cholesterol and apoE concentrations increased, and the apoA-I and triglyceride concentrations were unchanged. Before treatment, the Lp(a) concentration was similar to that in the control group. However, after 12 months of treatment, the Lp(a) concentration had increased by 44% and 101% above baseline and the control group, respectively. Men and women responded differently to GH, with a more marked increase in Lp(a) concentration and fat-free mass and a more pronounced decrease in body-fat mass in men. Apo(a) phenotypes had no major influence on the effect of GH therapy. The only significant difference between apoE phenotypes was a higher baseline Lp(a) concentration among apoE4 heterozygotes.(ABSTRACT TRUNCATED AT 250 WORDS)
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- Rosengren, A, et al.
(författare)
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Coronary risk factors, diet and vitamins as possible explanatory factors of the Swedish north-south gradient in coronary disease: a comparison between two MONICA centres.
- 1999
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Ingår i: Journal of Internal Medicine. - : Wiley. - 0954-6820 .- 1365-2796. ; 246:6, s. 577-86
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: To investigate whether differences in serum lipids, diet, plasma vitamins or other risk factors explain the higher incidence of cardiovascular disease in the northern parts of Sweden, compared to Göteborg on the west coast. DESIGN: A comparison between the two Swedish MONICA populations in northern Sweden (NSW) and in Göteborg (GOT) in 1990. SETTING: Norrbotten and Västerbotten counties in the north of Sweden and the city of Göteborg on the west coast. SUBJECTS: In the north 1583 men and women aged 25-64 years were investigated, and in Göteborg 1574 men and women. Plasma vitamins were examined in a subsample of men aged 40-49 (n = 259). MAIN OUTCOME MEASURES: Serum lipids, blood pressure, anthropometric measurements, smoking habits, physical activity, diet, education, and plasma vitamins. RESULTS: NSW men and women had mean serum total cholesterol of 6.30 (standard deviation 1.23) mmol L-1 and 6.12 (1. 33) mmol L-1, compared to 5.75 (1.14) mmol L-1 and 5.67 (1.24) mmol L-1 in GOT men and women (P = 0.0001). NSW men and women were shorter and had higher body mass index than in Göteborg. Cigarette smoking was slightly more prevalent amongst GOT men and women. Göteborg men and women more often had more than compulsory school education, compared to NSW men and women, whereas there were no differences in physical activity during leisure time. There were no differences in vegetable consumption, whereas fruit was consumed more frequently by NSW women compared to GOT women, with a higher intake of fibre and ascorbate. Consumption of wine and total alcohol consumption were higher in Göteborg, whereas NSW men and women drank significantly more coffee. In the subsample of men (aged 40-49) who had plasma vitamins measured, men in Göteborg had slightly higher mean retinol concentrations (P = 0.005) and lutein and zeaxanthine levels (P = 0.006 and 0.009, respectively) compared to northern men, but there were no differences with respect to alpha- or beta-carotene, ascorbic acid or lipid-adjusted vitamin E. NSW men had slightly higher plasma iron and magnesium concentrations (P = 0.005 and 0.001, respectively). CONCLUSION: The largest and most consistent differences between Göteborg and northern Sweden were found for serum cholesterol, probably reflecting differences in intake of saturated fat. The differences in serum cholesterol may explain a substantial part of the differences in coronary heart disease morbidity and mortality. We found no consistent differences concerning vegetable and fruit consumption. More alcohol was consumed in Göteborg. Differences in education and childhood conditions, as reflected in differences in height, may contribute to the north-south gradient with respect to CHD incidence and mortality.
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- Rosengren, A, et al.
(författare)
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Socioeconomic differences in health indices, social networks and mortality among Swedish men. A study of men born in 1933
- 1998
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Ingår i: Scandinavian journal of social medicine. - : SAGE Publications. - 0300-8037. ; 26:4, s. 272-280
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Tidskriftsartikel (refereegranskat)abstract
- Background: In a previous survey we found large socioeconomic differences in mortality among urban Swedish men which remained unexplained after controlling for smoking and standard coronary risk factors. The present analysis was undertaken in order to investigate a broader set of possible explanatory factors in another cohort of Swedish men. Study population and methods: Occupation was coded into five occupational classes for 717 of 776 participant men from a random population sample of 1016 men who were born in 1933. All were living in Göteborg and were 50 years old at the baseline examination. After 12 years' follow-up, 68 of the 717 men had died (9.5%). Results: Low occupational class was associated with a higher prevalence of smoking at baseline, but no association was found with systolic blood pressure, body mass index, waist to hip ratio, serum triglycerides or serum cholesterol. Subjects from higher socioeconomic strata were taller, had higher maximum peak respiratory flow, lower plasma fibrinogen and lower body temperature. Low occupational class was associated with low social integration, low home activity levels, low levels of activity outside home and low social activity levels ( p 0.001 for all) and with low emotional support ( p0.018). There were also associations between low occupational class and poor self-perceived health, as well as with several cardiovascular symptoms. During 12 years' follow-up, there was a graded and inverse relationship between occupational class and mortality from all causes. The highest mortality was found among the men who could not be classified (23 per 1,000 person years) Of the men in the lowest occupational class, 12 per 1,000 died, compared to 3 per 1,000 in the highest class (relative risk 3.7 (1.4- 9.8)). After controlling for smoking, the relative risk decreased to 3.2 (1.2 - 8.6) and after further adjustment for emotional support, self-perceived health, activity level at home, and peak expiratory flow, the relative risk was still twofold but not significantly so (RR 2.1 (0.8-5.8)). Conclusion: We were able to confirm earlier results as to the wide mortality differentials in urban middle-aged men in Sweden. There were also large differences in several other factors, including constitutional factors, health variables, lifestyle and social support indices, which explained important parts of the social mortality gradient, the most prominent being smoking, respiratory function, social network factors and subjective health.
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