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The effect of adding vigorous intensity physical activity to moderate intensity physical activity in self-reported active persons living with Type 1 Diabetes

Background: Physical activity (PA) poses an additional burden on people living with type 1 diabetes (T1D) as it increases the risk of hypoglycemia, if performed at a moderate intensity. It is hypothesized that adding vigorous PA (VPA) into moderate PA (MPA) may help attenuate exercise-related hypoglycemia.
Methods: Seventeen participants with T1D (23.7±6.6 years) completed an observational study of six days with continuous glucose monitoring and accelerometer-derived measures of PA to determine the association between PA intensity and both hypoglycemia risk and glucose variability (GV).
Results: Higher evening moderate-to-vigorous PA (MVPA) increased the risk of overnight hypoglycemia (OR 1.03; 95% CI 1.002-1.047, p=0.031). Increased evening VPA was not associated with reduced hypoglycemia, but decreased overnight GV (3.20±0.25 for low vs 2.27±0.29 for high; p=0.022).
Conclusions: Performing evening MVPA increases hypoglycemia risk overnight, but incorporating VPA did not prove to be protective. However, VPA reduced GV, which is a predictor of hypoglycemia. / May 2016

Identiferoai:union.ndltd.org:MANITOBA/oai:mspace.lib.umanitoba.ca:1993/31222
Date14 April 2016
CreatorsMacIntosh, Andrea
ContributorsMcGavock, Jonathan (Pediatrics) Bouchard, Danielle (Kinesiology and Recreation management), Duhamel, Todd (Kinesiology and Recreation management) Wittmeier, Kristy (Pediatrics)
Source SetsUniversity of Manitoba Canada
Detected LanguageEnglish

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