Effects of the combination of metformin and exercise on glycated hemoglobin, functional capacity, lipid profile, quality of life, and body weight

Autor: Sherif Eltonsy, Monique Dufour Doiron, Patrice Simard, Caroline Jose, Martin Sénéchal, Danielle R. Bouchard, Rémi LeBlanc, Mathieu Bélanger
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Journal of International Medical Research, Vol 47 (2019)
Druh dokumentu: article
ISSN: 0300-0605
1473-2300
03000605
DOI: 10.1177/0300060518817164
Popis: Objective To evaluate the impact of the combination of metformin and exercise on changes in glycated hemoglobin (HbA 1c ), functional capacity, the lipid profile, quality of life, and weight. Methods Data from a 12-week cardiovascular rehabilitation program (2014–2016) were retrospectively evaluated. Metformin exposure was determined through recorded prescriptions, and average minutes of exercise per week were computed from exercise logs. The primary outcomes were changes in HbA 1c and functional capacity (6-minute walk test [6MWT]) over 12 weeks. The secondary outcomes were changes in the lipid profile, quality of life, and weight. Directed acyclic graphs were used to identify potential confounders, accounted for with multiple linear regression. Results The cohort comprised 403 patients (85 metformin users, 318 non-users). The average amount of exercise was 102.7±48.7 minutes/week among metformin users and 107.7±58.1 minutes/week among non-users. Although changes in HbA 1c were similar for both groups, the coefficient for the metformin–exercise interaction indicated significantly greater improvements in the 6MWT among metformin users. There were no between-group differences in any secondary outcomes. Conclusions The combination of metformin and exercise led to greater gains in functional capacity than exercise alone. This combination did not appear to influence the effects of either treatment on other outcomes.
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