期刊
DIABETES RESEARCH AND CLINICAL PRACTICE
卷 48, 期 3, 页码 193-199出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/S0168-8227(00)00123-6
关键词
adolescents; monounsaturated fats; n-9 fatty acids; insulin-dependent diabetes mellitus
This study aimed to increase the monounsaturated fat content in the diet of outpatient adolescents with type 1 diabetes and to examine the metabolic effects after 12 weeks. Twenty-three adolescents were randomly allocated to either a high monounsaturated fat diet or a control diet. Their mean age was 16.9 (S.D. 2.1) years and median HbA(1c) was 9.1% [IQR 7.9-10.4%]. Dietary targets were not reached judged by their 4-day food diaries. However, the whole study group had a significant increase in monounsaturated fat as indexed by red cell phospholipid fatty acids (RCFAs), with an increase of n-9 RCFAs from 14.9% [IQR: 14.5-21.7%] to 21.7% [IQR: 18.8-25.6%] (P = 0.002). Changes in n-9 RCFAs were inversely related to changes in HbA(1c) (R-2 = 0.26, P = 0.02), such that a 10% increase in n-9 RCFAs corresponded to a 0.64% improvement (decrease) in HbA(1c). Changes in n-9 RCFAs were also inversely related to changes in plasma total cholesterol (R-2 = 0.38, P = 0.002) and plasma LDL cholesterol (R-2 = 0.21, P = 0.03). These changes were not associated with changes in insulin dose, body weight or physical activity. Overall, the results demonstrate that a modest increase in the monounsaturated fat content of an adolescent diet has the potential to improve glycaemic control and lipid profile. (C) 2000 Elsevier Science Ireland Ltd. All rights reserved.
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