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  • Title: Relationships between the amount of weight loss and post-heparin lipoprotein lipase activity in patients with type II diabetes.
    Author: Kasim SE, Darga LL, Holden JH, Khilnani S, Patton S, Jen KL, Lucas CP.
    Journal: Int J Obes; 1991 Dec; 15(12):833-40. PubMed ID: 1794925.
    Abstract:
    The objective of this study was to investigate the changes in plasma post-heparin lipoprotein lipase activity, as it relates to the total amount of weight loss and the changes in plasma lipoproteins, during acute weight reduction and after weight maintenance in type II diabetic patients. Twenty-eight severely obese (mean weight = 106 +/- 21.7 kg, BMI = 36.4 +/- 6.0 kg/m2), diabetic patients lost, on the average, 13.3 kg on a 500 kcal (2100 kJ) diet in eight weeks. Weight loss was maintained throughout the study, which lasted 24 weeks. At the baseline, post-heparin lipoprotein lipase activity did not correlate with degree of obesity, but correlated inversely with fasting plasma glucose (r = -0.64, P less than 0.0001) and triglyceride (r = -0.63, P less than 0.0001). Both during acute caloric restriction and after weight maintenance suppression in post-heparin lipoprotein lipase activity correlated directly with the amount of weight reduction (r = 0.37, P less than 0.05 during weight loss and r = 0.42, P less than 0.03 during weight maintenance). At the end of the study patients were divided into tertiles according to the amount of weight loss achieved and baseline characteristics of the highest and lowest weight loss groups were compared. Before weight loss, despite having similar weights, the highest weight loss group had higher lipoprotein lipase activity (211 +/- 32 mU/ml vs 166 +/- 35 mU/ml, P less than 0.05) and lower plasma triglyceride (1.64 +/- 0.62 mmol/l vs 2.81 +/- 1.28 mmol/l, P less than 0.05) as compared to the lowest weight loss group.(ABSTRACT TRUNCATED AT 250 WORDS)
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