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Yoga for essential hypertension: a systematic review
Jie Wang1, Xingjiang Xiong, Wei Liu
1Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
Plos One
|October 15, 2013
Summary
Yoga shows promise for lowering blood pressure in essential hypertension (EH). However, limited high-quality studies mean more research is needed to confirm yoga
Area of Science:
- Integrative Medicine
- Cardiovascular Health
- Clinical Evidence Synthesis
Background:
- Yoga is a widely practiced mind-body intervention.
- Essential hypertension (EH) is a significant global health concern.
- The clinical efficacy of yoga for EH requires rigorous assessment.
Purpose of the Study:
- To systematically review the existing clinical evidence on yoga's effectiveness for essential hypertension.
- To evaluate the quality of randomized clinical trials investigating yoga for EH.
Main Methods:
- Comprehensive literature search of MEDLINE, EMBASE, and CENTRAL databases up to June 2013.
- Inclusion of randomized clinical trials comparing yoga interventions with conventional therapy, no treatment, or other control groups.
- Adherence to Cochrane standards for study selection, data extraction, quality assessment, and analysis.
Main Results:
- Six randomized clinical trials involving 386 patients were included.
- The methodological quality of the included trials was generally low.
- Evidence suggests yoga may help lower systolic and diastolic blood pressure, but safety data is limited.
Conclusions:
- Encouraging evidence indicates yoga may reduce blood pressure in patients with essential hypertension.
- The low methodological quality of current trials precludes definitive conclusions on yoga's efficacy and safety for EH.
- Further large-scale, well-designed randomized trials are necessary to validate these preliminary findings.
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