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- Ekberg, K, et al.
(författare)
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Contributions by kidney and liver to glucose production in the postabsorptive state and after 60 h of fasting
- 1999
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Ingår i: Diabetes. - : American Diabetes Association. - 0012-1797 .- 1939-327X. ; 48:2, s. 292-298
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Tidskriftsartikel (refereegranskat)abstract
- Contributions of renal glucose production to whole-body glucose turnover were determined in healthy individuals by using the arteriovenous balance technique across the kidneys and the splanchnic area combined with intravenous infusion of [U-13C6]glucose, [3-(3)H]glucose, or [6-(3)H]glucose. In the postabsorptive state, the rate of glucose appearance was 11.5 +/- 0.6 micromol x kg(-1) x min(-1). Hepatic glucose production, calculated as the sum of net glucose output (9.8 +/- 0.8 micromol x kg(-1) x min(-1)) and splanchnic glucose uptake (2.2 +/- 0.3 micromol x kg(-1) x min(-1)) accounted for the entire rate of glucose appearance. There was no net exchange of glucose across the kidney and no significant renal extraction of labeled glucose. The renal contribution to total glucose production calculated from the arterial, hepatic, and renal venous 13C-enrichments (glucose M+6) was 5 +/- 2%. In the 60-h fasted state, the rate of glucose appearance was 8.2 +/- 0.3 micromol x kg(-1) x min(-1). Hepatic glucose production, estimated as net splanchnic output (5.8 +/- 0.7 micromol x kg(-1) x min(-1)) plus splanchnic uptake (0.6 +/- 0.3 micromol x kg(-1) x min(-1)) accounted for 79% of the rate of glucose appearance. There was a significant net renal output of glucose (0.9 +/- 0.3 micromol x kg(-1) x min(-1)), but no significant extraction of labeled glucose across the kidney. The renal contribution to whole-body glucose turnover calculated from the 13C-enrichments was 24 +/- 3%. We concluded that 1) glucose production by the human kidney in the postabsorptive state, in contrast to recent reports, makes at most only a minor contribution (approximately 5%) to blood glucose homeostasis, but that 2) after 60-h of fasting, renal glucose production may account for 20-25% of whole-body glucose turnover.
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- Gafvels, C, et al.
(författare)
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Coping strategies among patients newly diagnosed with diabetes or rheumatoid arthritis at baseline and after 24 months
- 2018
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Ingår i: Journal of health psychology. - : SAGE Publications. - 1461-7277 .- 1359-1053. ; 23:10, s. 1273-1286
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Tidskriftsartikel (refereegranskat)abstract
- Patients aged 18–65 years with newly diagnosed diabetes mellitus ( n = 89) or rheumatoid arthritis ( n = 100) were studied by the General Coping Questionnaire at baseline and after 24 months. In total, 34 diabetes mellitus and 46 rheumatoid arthritis patients were diagnosed with psychosocial problems. The use of negative coping strategies, such as protest, isolation, and intrusion, was associated mostly with being classified as having psychosocial problems. With the risk of experiencing a strong impact of the disease at 2 years of follow-up as outcome, intrusion was a significant and independent risk factor, while minimization was a significant and independent protective factor.
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