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The effects of aerobic exercise on glucose and counterregulatory hormone concentrations in children with type 1 diabetes.

Abstract：

OBJECTIVE:To examine the acute glucose-lowering effects of aerobic exercise in children and adolescents with type 1 diabetes. RESEARCH DESIGN AND METHODS:Fifty children and adolescents with type 1 diabetes (ages 10 to <18 years) were studied during exercise. The 75-min exercise session consisted of four 15-min periods of walking on a treadmill to a target heart rate of 140 bpm and three 5-min rest periods. Blood glucose and plasma glucagon, cortisol, growth hormone, and norepinephrine concentrations were measured before, during, and after exercise. RESULTS:In most subjects (83%), plasma glucose concentration dropped at least 25% from baseline, and 15 (30%) subjects became hypoglycemic (< or = 60 mg/dl) or were treated for low glucose either during or immediately following the exercise session. The incidence of hypoglycemia and/or treatment for low glucose varied significantly by baseline glucose, occurring in 86 vs. 13 vs. 6% of subjects with baseline values <120, 120-180, and >180 mg/dl, respectively (P < 0.001). Exercise-induced increases in growth hormone and norepinephrine concentrations were marginally higher in subjects whose glucose dropped < or = 70 mg/dl. Treatment of hypoglycemia with 15 g of oral glucose resulted in only about a 20-mg/dl rise in glucose concentrations. CONCLUSIONS:In youth with type 1 diabetes, prolonged moderate aerobic exercise results in a consistent reduction in plasma glucose and the frequent occurrence of hypoglycemia when preexercise glucose concentrations are <120 mg/dl. Moreover, treatment with 15 g of oral glucose is often insufficient to reliably treat hypoglycemia during exercise in these youngsters.

journal_name

Diabetes Care

journal_title

Diabetes care

authors

Tansey MJ,Tsalikian E,Beck RW,Mauras N,Buckingham BA,Weinzimer SA,Janz KF,Kollman C,Xing D,Ruedy KJ,Steffes MW,Borland TM,Singh RJ,Tamborlane WV,Diabetes Research in Children Network (DirecNet) Study Group.

doi

10.2337/diacare.29.1.20

subject

Has Abstract

pub_date

2006-01-01 00:00:00

pages

20-5

issue

eissn

0149-5992

issn

1935-5548

pii

29/1/20

journal_volume

pub_type

杂志文章,多中心研究,随机对照试验

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The effects of aerobic exercise on glucose and counterregulatory hormone concentrations in children with type 1 diabetes.