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Yoga for schizophrenia: a systematic review and meta-analysis
Holger Cramer1, Romy Lauche, Petra Klose
1Department of Internal and Integrative Medicine, Kliniken Essen-Mitte, Faculty of Medicine, University of Duisburg-Essen, Am Deimelsberg 34a, Essen 45276, Germany. h.cramer@kliniken-essen-mitte.de
BMC Psychiatry
|January 19, 2013
Summary
This review found moderate evidence for short-term improvements in quality of life for schizophrenia patients using yoga. However, due to potential bias and unclear safety, yoga is not recommended for routine use.
Area of Science:
- Psychiatry
- Complementary Medicine
Background:
- Schizophrenia is a severe mental disorder impacting quality of life and function.
- Yoga is a complementary therapy explored for its potential benefits in mental health conditions.
- Systematic reviews are crucial for evaluating evidence-based interventions in schizophrenia.
Purpose of the Study:
- To systematically review and meta-analyze the effects of yoga on schizophrenia symptoms.
- To assess yoga's impact on quality of life, function, and hospitalization rates in schizophrenia patients.
- To evaluate the safety and efficacy of yoga as an intervention for schizophrenia.
Main Methods:
- Searched major databases (MEDLINE/Pubmed, Scopus, Cochrane, PsycInfo, IndMED) up to August 2012.
- Included randomized controlled trials (RCTs) comparing yoga to usual care or exercise.
- Analyzed outcomes including symptoms, quality of life, function, hospitalization, and safety using standardized mean differences (SMD) and 95% confidence intervals (CI).
Main Results:
- Five RCTs with 337 patients were analyzed; 2 had low risk of bias.
- No significant short-term effects of yoga on positive or negative schizophrenia symptoms were found compared to usual care.
- Moderate evidence suggested short-term improvements in quality of life, but these were linked to studies with high risk of bias.
Conclusions:
- Found only moderate evidence for short-term quality of life improvements with yoga in schizophrenia.
- Effects were not clearly distinguishable from bias, and safety data was limited.
- Yoga cannot be recommended as a routine intervention for schizophrenia patients based on current evidence.
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