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Influence of Mindfulness and Relaxation on Treatment of Essential Hypertension: Meta-Analysis.

Fushun Zhang, Yuanyuan Zhang, Nan Jiang, Qiao Zhai, Juanjuan Hu, Jing Feng

Journal of healthcare engineering December 3, 2021 Retracted DOI: 10.1155/2021/2272469 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Meta-analysis Peer reviewed
Sample size 409
Population People with essential hypertension, drawn from five studies (204 intervention participants and 205 controls)
Interventions Mindfulness Relaxation
Topics Meditation
Keywords Humans Essential hypertension
Key findings Pooled across five studies, mindfulness and relaxation interventions showed no significant effect on diastolic blood pressure (mean difference 0.30 mmHg, 95% CI -0.81 to 1.42) or systolic blood pressure (mean difference -1.05 mmHg, 95% CI -3.29 to 1.18). The authors conclude that mindfulness and relaxation may have little influence on blood pressure in hypertension and note that publication bias may have affected the results to some degree.

Abstract

Background: Some studies published previously have shown a strong correlation between hypertension and psychological nature including impulsion emotion or mindfulness and relaxation temperament, among which mindfulness and relaxation temperament might have a benign influence on blood pressure, ameliorating the hypertension. However, the conclusion was not confirmed.

Objective: The meta-analysis was performed to investigate the influence of mindfulness and relaxation on essential hypertension interventions and confirm the effects.

Methods: Systematic searches were conducted in common English and Chinese electronic databases (i.e., PubMed/MEDLINE, EMBASE, Web of Science, CINAHL, PsycINFO, Cochrane Library, and Chinese Biomedical Literature Database) from 1980 to 2020. A meta-analysis including 5 studies was performed using Rev Man 5.4.1 software to estimate the influence of mindfulness and relaxation on blood pressure, ameliorating the hypertension. Publication bias and heterogeneity of samples were tested using a funnel plot. Studies were analyzed using either a random-effect model or a fixed-effect model.

Results: All the 5 studies investigated the influence of mindfulness and relaxation on diastolic and systolic blood pressure, with total 205 participants in the control group and 204 in the intervention group. The random-effects model (REM) was used to calculate the pooled effect for mindfulness and relaxation on diastolic blood pressure (I 2 = 0%, t 2 = 0.000, P=0.41). The random pooled effect size (MD) was 0.30 (95% CI = -0.81-1.42, P=0.59). REM was used to calculate the pooled effect for mindfulness and relaxation on systolic blood pressure (I 2 = 49%, t 2 = 3.05, P=0.10). The random pooled effect size (MD) was -1.05 (95% CI = -3.29-1.18, P=0.36). The results of this meta-analysis were influenced by publication bias to some degree.

Conclusion: All the results showed less influence of mindfulness and relaxation might act on diastolic or systolic blood pressure, when mindfulness and relaxation are used to intervene in treating CVD and hypertension.

Comparable studies

Other systematic reviews and meta-analyses on meditation, most cited first.

Study Year Design Participants
Meditation Programs for Psychological Stress and Well-being Diverse adult clinical populations 2014 Meta-analysis n = 3,515
Mindfulness-Based Stress Reduction for Stress Management in Healthy People: A Review and Meta-Analysis Healthy subjects 2009 Systematic review and meta-analysis
The psychological effects of meditation: A meta-analysis. Nonclinical groups of adult meditators 2012 Meta-analysis n = 163
Efficacy of Mindfulness-Based Cognitive Therapy in Prevention of Depressive Relapse Adults with recurrent depression in full or partial remission 2016 Meta-analysis of individual patient data from randomized controlled trials n = 1,258
Mindfulness‐Based Stress Reduction and Mindfulness‐Based Cognitive Therapy – a systematic review of randomized controlled trials 2011 Systematic review

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