The effect of yoga practice on glycemic control and other health parameters in the prediabetic state

A systematic review and meta-analysis

Ramya Ramamoorthi, Daniel Gahreman, Timothy Skinner, Simon Moss

Research output: Contribution to journalReview articleResearchpeer-review

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Abstract

A systematic review and meta-analysis was conducted to investigate the effects of yoga on glycemic control, lipid profiles, body composition and blood pressure in people in the prediabetic state. Studies on the effectiveness of yoga on population groups under high risk for diabetes, called prediabetic or suffering from metabolic syndromes were extracted from a thorough search of PubMed, Scopus, Cochrane Library, EBSCO and IndMED databases. Both Randomised Controlled Trial (RCT) and non-RCT studies were included in the systematic review and meta-analysis. Studies published between Jan 2002 and Dec 2018 were included. Studies were considered for evaluation if they investigated a yoga intervention to prevent T2DM, against a control group, while also reporting glycemic control and other health parameters of T2DM management. Summary effect sizes and 95% confidence intervals (CI) were calculated using the Comprehensive Meta-Analysis software in addition to publication bias. Of the 46,500 identified studies, 14 studies with 834 participants of whom were 50% women, were found to be eligible for inclusion in our systematic review. Our quantitative synthesis included 12 randomized control trials and 2 non-randomized control trials, with the follow-up period ranging from 4 to 52 weeks. Compared to controls, yoga intervention improved fasting blood glucose (FBG) [Standard Mean Difference (SMD -0.064 mg/dL (95% CI -0.201 to 0.074)]; low density lipoprotein (LDL) [SMD-0.090 mg/dL (95% CI -0.270 to 0.090)]; triglycerides [SMD -0.148 mg/dL (95% CI -0.285 to -0.012)]; total cholesterol [SMD -0.058 mg/dL (95% CI -0.220 to 0.104)] and systolic blood pressure [SMD -0.058 mm Hg (95% CI -0.168 to 0.053)]. This meta-analysis uncovered clinically improved effects of yoga intervention on glycemic control, lipid profiles and other parameters of T2DM management in prediabetic population. These results suggest that yoga intervention may be considered as a comprehensive and alternative approach to preventing T2DM. Further adequately powered, well designed RCTs are needed to support our findings and investigate the longterm effects of yoga in T2DM patients.

Original languageEnglish
Article numbere0221067
Pages (from-to)1-21
Number of pages21
JournalPLoS One
Volume14
Issue number10
DOIs
Publication statusPublished - 16 Oct 2019

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Yoga
Prediabetic State
glycemic control
systematic review
meta-analysis
Meta-Analysis
confidence interval
Surface mount technology
Health
Confidence Intervals
Blood pressure
Blood Pressure
Lipids
metabolic syndrome
Publication Bias
systolic blood pressure
low density lipoprotein
lipids
blood glucose
blood pressure

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title = "The effect of yoga practice on glycemic control and other health parameters in the prediabetic state: A systematic review and meta-analysis",
abstract = "A systematic review and meta-analysis was conducted to investigate the effects of yoga on glycemic control, lipid profiles, body composition and blood pressure in people in the prediabetic state. Studies on the effectiveness of yoga on population groups under high risk for diabetes, called prediabetic or suffering from metabolic syndromes were extracted from a thorough search of PubMed, Scopus, Cochrane Library, EBSCO and IndMED databases. Both Randomised Controlled Trial (RCT) and non-RCT studies were included in the systematic review and meta-analysis. Studies published between Jan 2002 and Dec 2018 were included. Studies were considered for evaluation if they investigated a yoga intervention to prevent T2DM, against a control group, while also reporting glycemic control and other health parameters of T2DM management. Summary effect sizes and 95{\%} confidence intervals (CI) were calculated using the Comprehensive Meta-Analysis software in addition to publication bias. Of the 46,500 identified studies, 14 studies with 834 participants of whom were 50{\%} women, were found to be eligible for inclusion in our systematic review. Our quantitative synthesis included 12 randomized control trials and 2 non-randomized control trials, with the follow-up period ranging from 4 to 52 weeks. Compared to controls, yoga intervention improved fasting blood glucose (FBG) [Standard Mean Difference (SMD -0.064 mg/dL (95{\%} CI -0.201 to 0.074)]; low density lipoprotein (LDL) [SMD-0.090 mg/dL (95{\%} CI -0.270 to 0.090)]; triglycerides [SMD -0.148 mg/dL (95{\%} CI -0.285 to -0.012)]; total cholesterol [SMD -0.058 mg/dL (95{\%} CI -0.220 to 0.104)] and systolic blood pressure [SMD -0.058 mm Hg (95{\%} CI -0.168 to 0.053)]. This meta-analysis uncovered clinically improved effects of yoga intervention on glycemic control, lipid profiles and other parameters of T2DM management in prediabetic population. These results suggest that yoga intervention may be considered as a comprehensive and alternative approach to preventing T2DM. Further adequately powered, well designed RCTs are needed to support our findings and investigate the longterm effects of yoga in T2DM patients.",
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The effect of yoga practice on glycemic control and other health parameters in the prediabetic state : A systematic review and meta-analysis. / Ramamoorthi, Ramya; Gahreman, Daniel; Skinner, Timothy; Moss, Simon.

In: PLoS One, Vol. 14, No. 10, e0221067, 16.10.2019, p. 1-21.

Research output: Contribution to journalReview articleResearchpeer-review

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