期刊
CLINICAL NUTRITION
卷 26, 期 5, 页码 573-580出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.clnu.2007.05.009
关键词
vitamin D; metabolic syndrome; obesity; lipids; insulin resistance
Background & aims: Vitamin D deficiency has been recently associated with the metabolic syndrome. However, it is not known whether this possible association of vitamin D deficiency with the metabolic syndrome is still present at very high degrees of obesity, as in morbidly obese patients. Methods: Transversal, observational study that included 73 consecutive morbidly obese patients (body mass index >= 40kg/ M). In every patient, anthropometric variables were recorded, fasting blood was assayed for 25-hydroxyvitamin D concentrations, lipid profiles, glucose and insulin levels, and insulin resistance was estimated by homeostasis model. assessment. Results: Vitamin D deficiency was present in 37 of the 73 patients (50.7%). As defined by revised Adult Treatment Panel III criteria, 46 of the 73 obese patients (63%) had the metabolic syndrome. Vitamin D deficiency was more prevalent in morbidly obese patients presenting with the metabolic syndrome, compared with those who did not achieve the criteria for this syndrome (60.9% vs. 33.3% respectively, P = 0.023). When serum concentrations of 25-hydroxyvitamin D were categorized in tertiles, there was an association of the prevalence of the metabolic syndrome with the former (P = 0.038). Serum high-density lipoprotein cholesterol concentrations were tower (37.0 +/- 7.8mg/dl vs. 44.9 +/- 8.7mg/dl, P = 0.003), and triglycerides levels were higher (163.3 +/- 81.5 mg/dl vs. 95.1 +/- 24.2mg/dl, P = 0.001) in the vitamin D-deficient group. Conclusion: Vitamin D deficiency is associated with the metabolic syndrome in morbidly obese patients. (c) 2007 Elsevier Ltd and European Society for Clinical Nutrition and Metabolism. All rights reserved.
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