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Review
. 2019 Feb 17;8(2):253.
doi: 10.3390/jcm8020253.

Cardiovascular Health Benefits of Exercise Training in Persons Living with Type 1 Diabetes: A Systematic Review and Meta-Analysis

Nana Wu  1 , Shannon S D Bredin  2 , Yanfei Guan  3 , Kyra Dickinson  4 , David D Kim  5 , Zongyu Chua  6   7 , Kai Kaufman  8   9 , Darren E R Warburton  10
Affiliations
Review

Cardiovascular Health Benefits of Exercise Training in Persons Living with Type 1 Diabetes: A Systematic Review and Meta-Analysis

Nana Wu et al. J Clin Med. .

Abstract

Exercise is advocated in the management of type 1 diabetes (T1D), but the effects of different forms of exercise training on cardiovascular risk factors in T1D still remain unclear. The aim of this study was to conduct a systematic review and meta-analysis on exercise training for cardiovascular risk factors in T1D. Six electronic databases were systematically searched for randomized or non-randomized controlled studies reporting associations between exercise training and cardiovascular risk factors in T1D. Weighted mean differences (WMD) of each cardiovascular risk factor between exercise groups and control groups were calculated using a random effects model. A total of 24 studies reported the effects of exercise training on cardiovascular risk factors. Exercise training increased maximal aerobic power (3.01 mL·kg-1·min-1, 95% confidence interval, CI, 0.94 to 6.38) and reduced glycated hemoglobin (HbA1c; -0.45%, 95% CI -0.73 to -0.17), daily insulin dosage (-0.88 U·kg-1, 95% CI -1.27 to -0.48), and total cholesterol (-0.38 mmol·L-1, 95% CI -0.71 to -0.04). Exercise training did not lead to consistent changes in body mass index (BMI), blood pressure, triglycerides, high-density lipoprotein cholesterol (HDL-C), or low-density lipoprotein cholesterol (LDL-C). In persons living with T1D, exercise training is associated with a beneficial cardiovascular profile, including improvements in lipid profile, glycemic control (decreased daily insulin dosage and HbA1c), and aerobic fitness.

Keywords: cardiovascular health; exercise training; type 1 diabetes.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Study flow diagram in line with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) recommendations.
See this image and copyright information in PMC

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