Aerobic exercise capacity in normal adolescents and those with type 1 diabetes mellitus

Aerobic exercise capacity in normal adolescents and those with type 1 diabetes mellitus

Author Komatsu, Willian R. Google Scholar
Gabbay, Monica Andrade Lima Autor UNIFESP Google Scholar
Lazaretti-Castro, Marise Autor UNIFESP Google Scholar
Saraiva, Gabriela L. Google Scholar
Chacra, Antonio Roberto Google Scholar
Barros Neto, Turibio Leite Autor UNIFESP Google Scholar
Dib, Sergio A. Google Scholar
Institution Universidade Federal de São Paulo (UNIFESP)
Abstract Objective: To compare the aerobic exercise capacity between normal adolescents and those with type I diabetes mellitus (T1DM).Methods: An experimental group with 72 individuals diagnosed with T1DM aged 9-20, time from diagnosis 4.9 +/- 3.6 yr, without clinical cardiopulmonary disease or anemia and a control group (C) with 46 healthy individuals aged 10-18, matched by age, weight, height, body mass index, and lean and fat mass (kg), underwent an incremental aerobic exercising test on a motorized treadmill, where gas exchange variables - peak pulmonary ventilation (VE), peak oxygen consumption (VO2), and carbon dioxide production (CO2) - as well as their heart rate (HR) and time to exhaustion were recorded.Results: Body mass composition had no significant difference between experimental and control groups, and male and female subjects had similar exercising performances. the mean of hemoglobin A1c in the control group was 5.2 +/- 0.9% and in the diabetic group 8.1 +/- 2.2%; p = 0.000. the patients with T1DM showed lower levels of aerobic capacity than the control group. Their respective values for each variable were as follows: (i) maximal VO2 (T1DM: 41.57 +/- 7.68 vs. C: 51.12 +/- 9.94 mL/kg/min; p < 0.001) and (ii) maximal VE (T1DM: 76.39 +/- 19.93 vs. C: 96.90 +/- 25.72 mL/kg/min; p < 0.001). Patients with T1DM also had an earlier time to exhaustion (T1DM: 8.75 +/- 1.60 vs. 10.82 +/- 1.44 min).Conclusions: Adolescent patients with T1DM showed a reduced aerobic exercising capacity when compared to healthy peers matched to anthropometric conditions. This potential condition should be taken into consideration by the time of evaluation of the aerobic performance of these patients with glycemic control level.
Keywords body composition
gas exchange
physical activity
type 1 diabetes mellitus
VO2 max
Language English
Date 2005-09-01
Published in Pediatric Diabetes. Oxford: Blackwell Publishing, v. 6, n. 3, p. 145-149, 2005.
ISSN 1399-543X (Sherpa/Romeo, impact factor)
Publisher Blackwell Publishing
Extent 145-149
Origin http://dx.doi.org/10.1111/j.1399-543X.2005.00120.x
Access rights Closed access
Type Article
Web of Science ID WOS:000231606900005
URI http://repositorio.unifesp.br/handle/11600/28465

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