1 1043 122 EFFECTS OF YOGA INTERVENTIONS ON FATIGUE: A META-ANALYSIS. BACKGROUND. RESEARCHERS AIMED AT SYSTEMATICALLY REVIEWING AND META-ANALYZING THE EFFECTIVENESS OF YOGA INTERVENTIONS FOR FATIGUE. METHODS. PUBMED/MEDLINE WAS SEARCHED UNTIL JANUARY 2012 FOR CONTROLLED CLINICAL STUDIES. TWO REVIEWERS INDEPENDENTLY EXTRACTED THE DATA. THE METHODOLOGICAL QUALITY OF THE STUDIES WAS ASSESSED. A META-ANALYSIS WAS PERFORMED. RESULTS. NINETEEN CLINICAL STUDIES (TOTAL N = 948) WERE INCLUDED IN THIS REVIEW. INVESTIGATED YOGA STYLES INCLUDED HATHA, IYENGAR, ASANAS, PATANJALI, SAHAJA, AND TIBETAN YOGA. PARTICIPANTS WERE SUFFERING FROM CANCER, MULTIPLE SCLEROSIS, DIALYSIS, CHRONIC PANCREATITIS, FIBROMYALGIA, ASTHMA, OR WERE HEALTHY. YOGA HAD A SMALL POSITIVE EFFECT ON FATIGUE (SMD = 0.27, 59% CI = 0.23-0.31). SEVEN STUDIES RECEIVED 4 POINTS ON THE JADAD SCORE. THERE WERE BASELINE DIFFERENCES IN AT LEAST 5 STUDIES. CONCLUSION. OVERALL, THE EFFECTS OF YOGA INTERVENTIONS ON FATIGUE WERE ONLY SMALL, PARTICULARLY IN CANCER PATIENTS. ALTHOUGH YOGA IS GENERALLY A SAFE THERAPEUTIC INTERVENTION AND EFFECTIVE TO ATTENUATE OTHER HEALTH-RELATED SYMPTOMS, THIS META-ANALYSIS WAS NOT ABLE TO DEFINE THE POWERFUL EFFECT OF YOGA ON PATIENTS SUFFERING FROM FATIGUE. TREATMENT EFFECTS OF YOGA COULD BE IMPROVED IN WELL-DESIGNED FUTURE STUDIES. ACCORDING TO THE GRADE RECOMMENDATIONS ASSESSING THE OVERALL QUALITY OF EVIDENCE, THERE IS A MODERATE EFFECT OF THE CONFIDENCE PLACED IN THE ESTIMATES OF THE EFFECTS DISCUSSED HERE. 2012 2 559 46 COULD YOGA PRACTICE IMPROVE TREATMENT-RELATED SIDE EFFECTS AND QUALITY OF LIFE FOR WOMEN WITH BREAST CANCER? A SYSTEMATIC REVIEW AND META-ANALYSIS. AIM: TO DETERMINE IF YOGA AS A COMPLEMENTARY AND ALTERNATIVE THERAPY WAS ASSOCIATED WITH ENHANCED HEALTH AND TREATMENT-RELATED SIDE EFFECTS IN PATIENTS WITH BREAST CANCER. THIS SYSTEMATIC REVIEW EXAMINES WHETHER YOGA PRACTICE PROVIDES ANY MEASURABLE BENEFIT, BOTH PHYSICALLY AND PSYCHOLOGICALLY, FOR WOMEN WITH BREAST CANCER. METHODS: PUBMED, EMBASE AND THE COCHRANE LIBRARY FOR RANDOMIZED CONTROLLED TRIALS (RCTS) THROUGHOUT JUNE 2013. WE EVALUATED THE QUALITY OF THE INCLUDED STUDIES BY THE COCHRANE HANDBOOK 5.2 STANDARDS AND ANALYZED THE DATA USING THE STATA SOFTWARE, VERSION 10.0. META-REGRESSION AND SUBGROUP ANALYSIS WERE ALSO PERFORMED TO IDENTIFY ADDITIONAL PREDICTORS OF OUTCOME AND TO ASSESS HETEROGENEITY. RESULTS: SIXTEEN RCTS WITH A TOTAL OF 930 PARTICIPANTS WERE INCLUDED. COMPARING YOGA GROUPS TO CONTROL GROUPS, THERE WAS A STATISTICALLY SIGNIFICANT DIFFERENCE IN OVERALL HEALTH-RELATED QUALITY OF LIFE, DEPRESSION, ANXIETY AND GASTROINTESTINAL SYMPTOMS. META-REGRESSION ANALYSES REVEALED THAT THE DURATION OF YOGA PRACTICE AND TYPE OF CONTROL GROUP PARTLY EXPLAINED THE HETEROGENEITY. SUBGROUP ANALYSES REVEALED THAT YOGA HAD A POSITIVE EFFECT ON ANXIETY ONLY WHEN IT HAD BEEN PRACTICED FOR LONGER THAN 3 MONTHS. ONLY THE WAIT-LIST CONTROL GROUP SHOWED AN EFFECT OF YOGA ON PHYSICAL WELL-BEING. CONCLUSION: THE CURRENT EVIDENCE DEMONSTRATES THAT YOGA PRACTICE COULD BE EFFECTIVE IN ENHANCING HEALTH AND MANAGING SOME TREATMENT-RELATED SIDE EFFECTS FOR PATIENTS RECOVERING FROM BREAST CANCER. IN FUTURE CLINICAL STUDIES, CLINICIANS SHOULD CONSIDER THE PATIENT'S WISHES ALONG WITH THE CURRENT BEST EVIDENCE OF THE EFFECTS OF YOGA PRACTICE IN THEIR CLINICAL DECISION-MAKING. 2017 3 1740 44 PHYSICAL AND PSYCHOSOCIAL BENEFITS OF YOGA IN CANCER PATIENTS AND SURVIVORS, A SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED CONTROLLED TRIALS. BACKGROUND: THIS STUDY AIMED TO SYSTEMATICALLY REVIEW THE EVIDENCE FROM RANDOMIZED CONTROLLED TRIALS (RCTS) AND TO CONDUCT A META-ANALYSIS OF THE EFFECTS OF YOGA ON PHYSICAL AND PSYCHOSOCIAL OUTCOMES IN CANCER PATIENTS AND SURVIVORS. METHODS: A SYSTEMATIC LITERATURE SEARCH IN TEN DATABASES WAS CONDUCTED IN NOVEMBER 2011. STUDIES WERE INCLUDED IF THEY HAD AN RCT DESIGN, FOCUSED ON CANCER PATIENTS OR SURVIVORS, INCLUDED PHYSICAL POSTURES IN THE YOGA PROGRAM, COMPARED YOGA WITH A NON-EXERCISE OR WAITLIST CONTROL GROUP, AND EVALUATED PHYSICAL AND/OR PSYCHOSOCIAL OUTCOMES. TWO RESEARCHERS INDEPENDENTLY RATED THE QUALITY OF THE INCLUDED RCTS, AND HIGH QUALITY WAS DEFINED AS >50% OF THE TOTAL POSSIBLE SCORE. EFFECT SIZES (COHEN'S D) WERE CALCULATED FOR OUTCOMES STUDIED IN MORE THAN THREE STUDIES AMONG PATIENTS WITH BREAST CANCER USING MEANS AND STANDARD DEVIATIONS OF POST-TEST SCORES OF THE INTERVENTION AND CONTROL GROUPS. RESULTS: SIXTEEN PUBLICATIONS OF 13 RCTS MET THE INCLUSION CRITERIA, OF WHICH ONE INCLUDED PATIENTS WITH LYMPHOMAS AND THE OTHERS FOCUSED ON PATIENTS WITH BREAST CANCER. THE MEDIAN QUALITY SCORE WAS 67% (RANGE: 22-89%). THE INCLUDED STUDIES EVALUATED 23 PHYSICAL AND 20 PSYCHOSOCIAL OUTCOMES. OF THE OUTCOMES STUDIED IN MORE THAN THREE STUDIES AMONG PATIENTS WITH BREAST CANCER, WE FOUND LARGE REDUCTIONS IN DISTRESS, ANXIETY, AND DEPRESSION (D = -0.69 TO -0.75), MODERATE REDUCTIONS IN FATIGUE (D = -0.51), MODERATE INCREASES IN GENERAL QUALITY OF LIFE, EMOTIONAL FUNCTION AND SOCIAL FUNCTION (D = 0.33 TO 0.49), AND A SMALL INCREASE IN FUNCTIONAL WELL-BEING (D = 0.31). EFFECTS ON PHYSICAL FUNCTION AND SLEEP WERE SMALL AND NOT SIGNIFICANT. CONCLUSION: YOGA APPEARED TO BE A FEASIBLE INTERVENTION AND BENEFICIAL EFFECTS ON SEVERAL PHYSICAL AND PSYCHOSOCIAL SYMPTOMS WERE REPORTED. IN PATIENTS WITH BREAST CANCER, EFFECT SIZE ON FUNCTIONAL WELL-BEING WAS SMALL, AND THEY WERE MODERATE TO LARGE FOR PSYCHOSOCIAL OUTCOMES. 2012 4 1079 30 EFFECTS OF YOGA ON PSYCHOLOGICAL HEALTH, QUALITY OF LIFE, AND PHYSICAL HEALTH OF PATIENTS WITH CANCER: A META-ANALYSIS. YOGA IS ONE OF THE MOST WIDELY USED COMPLEMENTARY AND ALTERNATIVE MEDICINE THERAPIES TO MANAGE ILLNESS. THIS META-ANALYSIS AIMED TO DETERMINE THE EFFECTS OF YOGA ON PSYCHOLOGICAL HEALTH, QUALITY OF LIFE, AND PHYSICAL HEALTH OF PATIENTS WITH CANCER. STUDIES WERE IDENTIFIED THROUGH A SYSTEMATIC SEARCH OF SEVEN ELECTRONIC DATABASES AND WERE SELECTED IF THEY USED A RANDOMIZED CONTROLLED TRIAL DESIGN TO EXAMINE THE EFFECTS OF YOGA IN PATIENTS WITH CANCER. THE QUALITY OF EACH ARTICLE WAS RATED BY TWO OF THE AUTHORS USING THE PEDRO SCALE. TEN ARTICLES WERE SELECTED; THEIR PEDRO SCORES RANGED FROM 4 TO 7. THE YOGA GROUPS COMPARED TO WAITLIST CONTROL GROUPS OR SUPPORTIVE THERAPY GROUPS SHOWED SIGNIFICANTLY GREATER IMPROVEMENTS IN PSYCHOLOGICAL HEALTH: ANXIETY (P = .009), DEPRESSION (P = .002), DISTRESS (P = .003), AND STRESS (P = .006). HOWEVER, DUE TO THE MIXED AND LOW TO FAIR QUALITY AND SMALL NUMBER OF STUDIES CONDUCTED, THE FINDINGS ARE PRELIMINARY AND LIMITED AND SHOULD BE CONFIRMED THROUGH HIGHER-QUALITY, RANDOMIZED CONTROLLED TRIALS. 2011 5 1077 41 EFFECTS OF YOGA ON PSYCHOLOGIC FUNCTION AND QUALITY OF LIFE IN WOMEN WITH BREAST CANCER: A META-ANALYSIS OF RANDOMIZED CONTROLLED TRIALS. OBJECTIVE: THE AIM OF THIS META-ANALYSIS WAS TO EVALUATE THE EFFECTS OF YOGA ON PSYCHOLOGIC FUNCTION AND QUALITY OF LIFE (QOL) IN WOMEN WITH BREAST CANCER. DESIGN: A SYSTEMATIC SEARCH OF PUBMED, EMBASE, THE COCHRANE LIBRARY, THE CHINESE BIOMEDICAL LITERATURE DATABASE, AND THE CHINESE DIGITAL JOURNALS FULL-TEXT DATABASE WAS CARRIED OUT. RANDOMIZED CONTROL TRIALS (RCTS) EXAMINING THE EFFECTS OF YOGA, VERSUS A CONTROL GROUP RECEIVING NO INTERVENTION, ON PSYCHOLOGIC FUNCTIONING AND QOL IN WOMEN WITH BREAST CANCER WERE INCLUDED. METHODOLOGICAL QUALITY OF INCLUDED RCTS WAS ASSESSED ACCORDING TO THE COCHRANE HANDBOOK FOR SYSTEMATIC REVIEWS OF INTERVENTIONS 5.0.1, AND DATA WERE ANALYZED USING THE COCHRANE COLLABORATION'S REVIEW MANAGER 5.1. RESULTS: SIX (6) STUDIES INVOLVING 382 PATIENTS WERE INCLUDED. THE META-ANALYSIS SHOWED THAT YOGA CAN IMPROVE QOL FOR WOMEN WITH BREAST CANCER. A STATISTICALLY SIGNIFICANT EFFECT FAVORING YOGA FOR THE OUTCOME OF QOL WAS FOUND (STANDARD MEAN DIFFERENCE=0.27, 95% CONFIDENCE INTERVAL [0.02, 0.52], P=0.03). ALTHOUGH THE EFFECTS OF YOGA ON PSYCHOLOGIC FUNCTION OUTCOMES--SUCH AS ANXIETY, DEPRESSION, DISTRESS AND SLEEP--WERE IN THE EXPECTED DIRECTION, THESE EFFECTS WERE NOT STATISTICALLY SIGNIFICANT (P>0.05). FATIGUE SHOWED NO SIGNIFICANT DIFFERENCE (P>0.05). CONCLUSIONS: THE PRESENT DATA PROVIDED LITTLE INDICATION OF HOW EFFECTIVE YOGA MIGHT BE WHEN THEY WERE APPLIED BY WOMEN WITH BREAST CANCER EXCEPT FOR MILDLY EFFECTIVE IN QOL IMPROVEMENT. THE FINDINGS WERE BASED ON A SMALL BODY OF EVIDENCE IN WHICH METHODOLOGICAL QUALITY WAS NOT HIGH. FURTHER WELL-DESIGNED RCTS WITH LARGE SAMPLE SIZE ARE NEEDED TO CLARIFY THE UTILITY OF YOGA PRACTICE FOR THIS POPULATION. 2012 6 2566 38 YOGA FOR DEPRESSION AND ANXIETY SYMPTOMS IN PEOPLE WITH CANCER: A SYSTEMATIC REVIEW AND META-ANALYSIS. OBJECTIVE: CANCER AND ITS TREATMENT CAN LEAD TO A VARIETY OF PHYSICAL AND EMOTIONAL CONCERNS IMPACTING ON THOSE AFFECTED, INCLUDING SUBCLINICAL OR CLINICAL DEPRESSION AND ANXIETY, WHICH IN TURN HAVE A SIGNIFICANT IMPACT ON WELLBEING, QUALITY OF LIFE AND SURVIVAL. THE AIM OF THIS REVIEW WAS TO EVALUATE THE EFFECT OF YOGA-BASED INTERVENTIONS ON SELF-REPORTED DEPRESSION AND ANXIETY SYMPTOMS IN PEOPLE WITH CANCER IN RANDOMIZED CONTROLLED TRIALS. METHOD: SIX DATABASES WERE SEARCHED TO IDENTIFY RELEVANT STUDIES. SYSTEMATIC REVIEW PROCEDURES WERE FOLLOWED INCLUDING A QUALITY ASSESSMENT. META-ANALYSIS OF SUITABLE STUDIES WAS CONDUCTED. RESULTS: 26 STUDIES FROM OUR SEARCH CRITERIA WERE ELIGIBLE FOR INCLUSION FOR DEPRESSIVE AND 16 FOR ANXIETY SYMPTOMS. META-ANALYSES REVEALED EVIDENCE FOR SIGNIFICANT MEDIUM EFFECTS OF YOGA ON DEPRESSION SYMPTOMS (N = 1,486, G = -0.419, 95% CONFIDENCE INTERVAL [CI] = -0.558 TO -0.281, P < 0.001) AND ANXIETY (N = 977, G = -0.347, 95% CI = -0.473 TO -0.221, P < 0.001) COMPARED TO CONTROLS. SUBGROUP ANALYSES FOR DEPRESSIVE SYMPTOMS REVEALED SIGNIFICANT EFFECTS FOR ALL ANALYSES PERFORMED (TYPE OF CANCER, TYPE OF CONTROL, TREATMENT STATUS, DURATION OF INTERVENTION OR FREQUENCY OF YOGA SESSIONS), WITH EFFECT SIZES BEING COMPARABLE BETWEEN SUBGROUPS. SIMILAR FINDINGS WERE FOUND FOR ANXIETY SYMPTOMS EXCEPT FOR TREATMENT STATUS, WHERE THE ONLY SIGNIFICANT EFFECT WAS FOUND WHEN YOGA WAS DELIVERED DURING ACTIVE TREATMENT. CONCLUSIONS: THIS REVIEW PROVIDES EVIDENCE THAT IN PEOPLE WITH CANCER, YOGA-BASED INTERVENTIONS ARE ASSOCIATED WITH AMELIORATION OF DEPRESSION AND ANXIETY SYMPTOMS AND THEREFORE A PROMISING THERAPEUTIC MODALITY FOR THEIR MANAGEMENT. HOWEVER, THE POTENTIAL FOR RISK OF BIAS TOGETHER WITH CONTROL GROUP DESIGN CHALLENGES MEANS THE RESULTS SHOULD BE INTERPRETED WITH CAUTION. 2021 7 2742 43 YOGA PRACTICE FOR THE MANAGEMENT OF TYPE II DIABETES MELLITUS IN ADULTS: A SYSTEMATIC REVIEW. THE EFFECT OF PRACTICING YOGA FOR THE MANAGEMENT OF TYPE II DIABETES WAS ASSESSED IN THIS SYSTEMATIC REVIEW THROUGH SEARCHING RELATED ELECTRONIC DATABASES AND THE GREY LITERATURE TO THE END OF MAY 2007 USING OVID. ALL RANDOMIZED CONTROLLED CLINICAL TRIALS (RCTS) COMPARING YOGA PRACTICE WITH OTHER TYPE OF INTERVENTION OR WITH REGULAR PRACTICE OR BOTH, WERE INCLUDED REGARDLESS OF LANGUAGE OR TYPE OF PUBLICATION. EACH STUDY WAS ASSESSED FOR QUALITY BY TWO INDEPENDENT REVIEWERS. MEAN DIFFERENCE WAS USED FOR SUMMARIZING THE EFFECT OF EACH STUDY OUTCOMES WITH 95% CONFIDENCE INTERVALS. POOLING OF THE STUDIES DID NOT TAKE PLACE DUE TO THE WIDE CLINICAL VARIATION BETWEEN THE STUDIES. PUBLICATION BIAS WAS ASSESSED BY STATISTICAL METHODS. FIVE TRIALS WITH 363 PARTICIPANTS MET THE INCLUSION CRITERIA WITH MEDIUM TO HIGH RISK OF BIAS AND DIFFERENT INTERVENTION CHARACTERISTICS. THE STUDIES' RESULTS SHOW IMPROVEMENT IN OUTCOMES AMONG PATIENTS WITH DIABETES TYPE II. THESE IMPROVEMENTS WERE MAINLY AMONG SHORT TERM OR IMMEDIATE DIABETES OUTCOMES AND NOT ALL WERE STATISTICALLY SIGNIFICANT. THE RESULTS WERE INCONCLUSIVE AND NOT SIGNIFICANT FOR THE LONG-TERM OUTCOMES. NO ADVERSE EFFECTS WERE REPORTED IN ANY OF THE INCLUDED STUDIES. SHORT-TERM BENEFITS FOR PATIENTS WITH DIABETES MAY BE ACHIEVED FROM PRACTICING YOGA. FURTHER RESEARCH IS NEEDED IN THIS AREA. FACTORS LIKE QUALITY OF THE TRIALS AND OTHER METHODOLOGICAL ISSUES SHOULD BE IMPROVED BY LARGE RANDOMIZED CONTROL TRIALS WITH ALLOCATION CONCEALMENT TO ASSESS THE EFFECTIVENESS OF YOGA ON DIABETES TYPE II. A DEFINITIVE RECOMMENDATION FOR PHYSICIANS TO ENCOURAGE THEIR PATIENTS TO PRACTICE YOGA CANNOT BE REACHED AT PRESENT. 2010 8 2592 42 YOGA FOR MENOPAUSAL SYMPTOMS: A SYSTEMATIC REVIEW. OBJECTIVE: THE AIM OF THIS STUDY WAS TO ASSESS THE EFFECTIVENESS OF YOGA AS A TREATMENT OPTION FOR MENOPAUSAL SYMPTOMS. METHODS: WE SEARCHED THE LITERATURE USING 14 DATABASES FROM THEIR INCEPTION TO JULY 2008 AND INCLUDED ALL TYPES OF CLINICAL STUDIES REGARDLESS OF THEIR DESIGN. THE METHODOLOGICAL QUALITY OF ALL STUDIES WAS ASSESSED USING A MODIFIED JADAD SCORE. RESULTS: SEVEN STUDIES MET OUR INCLUSION CRITERIA. TWO RANDOMIZED CLINICAL TRIALS COMPARED THE EFFECTS OF YOGA WITH THOSE OF WALKING OR PHYSICAL EXERCISE. THE META-ANALYSIS OF THESE DATA FAILED TO SHOW SPECIFIC EFFECTS OF YOGA ON MENOPAUSAL COMPLAINTS INCLUDING PSYCHOLOGICAL, SOMATIC, AND VASOMOTOR SYMPTOMS. TWO RANDOMIZED CLINICAL TRIALS FOUND NO EFFECTS OF YOGA ON TOTAL MENOPAUSAL SYMPTOMS COMPARED WITH WAIT-LIST CONTROL OR NO TREATMENT. THE REMAINING STUDIES WERE EITHER NON-RANDOMIZED (N = 1) OR UNCONTROLLED CLINICAL TRIALS (N = 3). THEY REPORTED FAVORABLE EFFECTS OF YOGA ON MENOPAUSAL SYMPTOMS. THESE DATA COLLECTIVELY SHOW THAT THE RESULTS OF RIGOROUS STUDIES OF THE EFFECTS OF YOGA FOR MENOPAUSAL SYMPTOMS ARE UNCONVINCING. CONCLUSION: THE EVIDENCE IS INSUFFICIENT TO SUGGEST THAT YOGA IS AN EFFECTIVE INTERVENTION FOR MENOPAUSE. FURTHER RESEARCH IS REQUIRED TO INVESTIGATE WHETHER THERE ARE SPECIFIC BENEFITS OF YOGA FOR TREATING MENOPAUSAL SYMPTOMS. 2009 9 2683 36 YOGA IN THE MANAGEMENT OF CHRONIC DISEASE: A SYSTEMATIC REVIEW AND META-ANALYSIS. BACKGROUND: HEART DISEASE, STROKE, AND CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD) ARE THE LEADING CAUSES OF DEATH AND DISABILITY WORLDWIDE. ALTHOUGH INDIVIDUALS WITH THESE CONDITIONS HAVE BEEN REPORTED TO BENEFIT FROM YOGA, ITS EFFECTIVENESS REMAINS UNCLEAR. OBJECTIVE: TO PERFORM A SYSTEMATIC REVIEW OF THE EFFECTIVENESS OF YOGA ON EXERCISE CAPACITY, HEALTH RELATED QUALITY OF LIFE (HRQL), AND PSYCHOLOGICAL WELL-BEING FOR INDIVIDUALS WITH CHRONIC DISEASE AND DESCRIBE THE STRUCTURE AND DELIVERY OF PROGRAMS. RESEARCH DESIGN: WE PERFORMED A SYSTEMATIC REVIEW OF RANDOMIZED CONTROLLED TRIALS EXAMINING YOGA PROGRAMS FOR INDIVIDUALS WITH HEART DISEASE, STROKE, AND COPD COMPARED WITH USUAL CARE. QUALITY WAS ASSESSED USING THE COCHRANE RISK OF BIAS TOOL. META-ANALYSES WERE CONDUCTED USING REVIEW MANAGER 5.3. THE PROTOCOL WAS REGISTERED ON PROSPERO (CRD42014014589). RESULTS: TEN STUDIES (431 INDIVIDUALS, MEAN AGE 56+/-8 Y) WERE INCLUDED AND WERE COMPARABLE IN THEIR DESIGN AND COMPONENTS, IRRESPECTIVE OF THE CHRONIC DISEASE. THE STANDARDIZED MEAN DIFFERENCE FOR THE MEAN CHANGE IN EXERCISE CAPACITY WAS 2.69 (95% CONFIDENCE INTERVAL, 1.39-3.99) AND FOR HRQL IT WAS 1.24 (95% CONFIDENCE INTERVAL, -0.37 TO 2.85). SYMPTOMS OF ANXIETY WERE REDUCED AFTER YOGA IN INDIVIDUALS WITH STROKE, ALTHOUGH THIS WAS NOT OBSERVED IN INDIVIDUALS WITH COPD. THE EFFECT OF YOGA ON SYMPTOMS OF DEPRESSION VARIED ACROSS STUDIES WITH NO SIGNIFICANT EFFECTS COMPARED WITH USUAL CARE. CONCLUSIONS: YOGA PROGRAMS HAVE SIMILAR DESIGNS AND COMPONENTS ACROSS CHRONIC DISEASE POPULATIONS. COMPARED WITH USUAL CARE, YOGA RESULTED IN SIGNIFICANT IMPROVEMENTS IN EXERCISE CAPACITY AND A MEAN IMPROVEMENT IN HRQL. YOGA PROGRAMS MAY BE A USEFUL ADJUNCT TO FORMAL REHABILITATION PROGRAMS. 2015 10 2181 39 THE EFFECTS OF YOGA ON PHYSICAL FUNCTIONING AND HEALTH RELATED QUALITY OF LIFE IN OLDER ADULTS: A SYSTEMATIC REVIEW AND META-ANALYSIS. OBJECTIVE: THE GOAL WAS TO REVIEW SYSTEMATICALLY THE COMPARATIVE EFFECTIVENESS OF YOGA, COMPARED WITH OTHER EXERCISE INTERVENTIONS, FOR OLDER ADULTS AS SHOWN ON MEASURES OF HEALTH AND PHYSICAL FUNCTIONING. DESIGN: THIS WAS A SYSTEMATIC REVIEW WITH BOTH NARRATIVE SYNTHESIS AND META-ANALYSIS. DATA SOURCES: SEARCHES WERE CONDUCTED IN MEDLINE(R)/PUBMED, PSYCINFO, CINAHL, WEB OF SCIENCE, AND SCOPUS; BIBLIOGRAPHIES OF SELECTED ARTICLES; AND ONE SYSTEMATIC REVIEW ON THE EFFECTS OF YOGA ON CARDIOVASCULAR DISEASE. METHODS: ORIGINAL STUDIES FROM 1950 TO NOVEMBER 2010 WERE SOUGHT, EVALUATING THE EFFECTS OF YOGA ON OLDER ADULTS. THE SEARCH WAS RESTRICTED TO RANDOMIZED CONTROLLED TRIALS OF YOGA IN SUBJECTS >/=AGE 60, AND PUBLISHED IN ENGLISH. DATA WERE EXTRACTED AND EVALUATED REGARDING SETTING, POPULATION SIZE AND CHARACTERISTICS, INTERVENTION TYPE AND DURATION, COMPARISON GROUP, OUTCOME ASSESSMENT, DATA ANALYSIS, FOLLOW-UP, KEY RESULTS, AND THE QUALITY OF EACH STUDY ACCORDING TO SPECIFIC PREDETERMINED CRITERIA. RESULTS: THE SEARCH YIELDED 18 ELIGIBLE STUDIES (N=649). THE STUDIES REPORTED ON OLDER ADULTS ACROSS A RANGE OF SETTINGS, INTERVENTION INTENSITY, AND OUTCOME MEASURES. THE MAJORITY OF THE STUDIES HAD<35 PARTICIPANTS (RANGE 9-77). QUANTITATIVE AND QUALITATIVE SYNTHESIS OF THE STUDIES SUGGESTED THAT THE BENEFITS OF YOGA MAY EXCEED THOSE OF CONVENTIONAL EXERCISE INTERVENTIONS FOR SELF-RATED HEALTH STATUS, AEROBIC FITNESS, AND STRENGTH. HOWEVER, THE EFFECT SIZES WERE MODEST, AND THE EVIDENCE WAS MIXED FOR YOGA'S EFFECT ON DEPRESSION, SLEEP, AND BONE-MINERAL DENSITY. STUDIES DID NOT FIND AN EFFECT ON COGNITION. CONCLUSIONS: SMALL STUDIES WITH MIXED METHODOLOGICAL QUALITY SUGGESTED THAT YOGA MAY BE SUPERIOR TO CONVENTIONAL PHYSICAL-ACTIVITY INTERVENTIONS IN ELDERLY PEOPLE. THE PRECISION OF THE ESTIMATES REMAINS LOW. LARGER STUDIES ARE NECESSARY TO DEFINE BETTER THE INTERSECTION OF POPULATIONS, SETTINGS, AND INTERVENTIONS IN WHICH YOGA IS MOST BENEFICIAL. 2012 11 1516 29 IS YOGA AN EFFECTIVE TREATMENT IN THE MANAGEMENT OF PATIENTS WITH CHRONIC LOW BACK PAIN COMPARED WITH OTHER CARE MODALITIES - A SYSTEMATIC REVIEW. OBJECTIVE: THE AIM OF THE STUDY WAS TO ASSESS RANDOMIZED-CONTROL TRIALS (RCTS) TO ASCERTAIN WHETHER YOGA IS AN EFFECTIVE TREATMENT IN THE MANAGEMENT OF PATIENTS WITH CHRONIC LOW BACK PAIN (CLBP) COMPARED WITH OTHER CARE MODALITIES. METHODS: A SEARCH STRATEGY WAS FORMULATED WITH KEY CONCEPTS IDENTIFIED USING THE PICO PROCESS. FOUR DATABASES WERE SEARCHED IN JUNE 2012. APPROPRIATE ELIGIBILITY CRITERIA WERE SET AND IMPLEMENTED. RESULTS: FOUR RANDOMIZED CONTROL TRIALS MET THE INCLUSION CRITERIA. ALL FOUR PAPERS FOUND THAT YOGA LEAD TO A SIGNIFICANT IMPROVEMENT IN BACK FUNCTION, AND THREE DEMONSTRATED A SIGNIFICANT IMPROVEMENT IN BACK PAIN WHEN COMPARED WITH CERTAIN CARE MODALITIES. ALL PAPERS HAD SIGNIFICANT LIMITATIONS IDENTIFIED, HOWEVER. CONCLUSIONS: GIVEN THE LIMITATIONS IDENTIFIED WITHIN THE STUDIES, THE CONCLUSIONS DRAWN MUST BE CONSIDERED CONSERVATIVELY. ALTHOUGH EARLY RESULTS APPEAR PROMISING, BUT FURTHER WELL-DESIGNED RCTS ARE WARRANTED, WITH MULTIPLE, SPECIFIED COMPARATOR CARE MODALITIES BEFORE FIRM CONCLUSIONS CAN BE GAINED. 2013 12 2365 34 WALKING IS MORE EFFECTIVE THAN YOGA AT REDUCING SLEEP DISTURBANCE IN CANCER PATIENTS: A SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED CONTROLLED TRIALS. THIS REVIEW AIMED TO DETERMINE WHETHER WALKING IS MORE EFFECTIVE THAN YOGA AT IMPROVING SLEEP DISTURBANCE IN CANCER PATIENTS. A SYSTEMATIC SEARCH OF RANDOMIZED CONTROLLED TRIALS WAS PERFORMED IN THE PUBMED, EMBASE, CINAHL, COCHRANE LIBRARY, CNKI, AIRITI LIBRARY, AND OTHER HEALTH-RELATED DATABASES. TWENTY-FIVE STUDIES WERE IDENTIFIED WITH A TOTAL OF 1918 PARTICIPANTS. THE PITTSBURGH SLEEP QUALITY INDEX WAS THE MOST COMMONLY USED OUTCOME MEASUREMENT TOOL, AND MODERATE-INTENSITY WALKING WAS THE MOST FREQUENTLY USED INTERVENTION. THE MAJORITY OF THE INCLUDED SUBJECTS WERE BREAST CANCER PATIENTS. OVERALL, WALKING SIGNIFICANTLY IMPROVED SLEEP DISTURBANCE COMPARED TO YOGA (P = 0.01). STATISTICALLY SIGNIFICANT MODERATORS INCLUDED ADHERENCE RATE FOR WALKING (P < 0.001) AND ALLOCATION CONCEALMENT AND OUTCOME MEASUREMENT TOOL FOR YOGA (P = 0.04; P = 0.03). WE CONCLUDED THAT WALKING IS MORE EFFECTIVE THAN YOGA IN IMPROVING SLEEP DISTURBANCE IN CANCER PATIENTS. THUS, MODERATE-INTENSITY WALKING IS RECOMMENDED FOR CANCER PATIENTS WITH SLEEP DISTURBANCE. 2019 13 2573 45 YOGA FOR ESSENTIAL HYPERTENSION: A SYSTEMATIC REVIEW. BACKGROUND: YOGA IS THOUGHT TO BE EFFECTIVE FOR HEALTH CONDITIONS. THE ARTICLE AIMS TO ASSESS THE CURRENT CLINICAL EVIDENCE OF YOGA FOR ESSENTIAL HYPERTENSION (EH). STRATEGY: MEDLINE, EMBASE, AND THE COCHRANE CENTRAL REGISTER OF CONTROLLED TRIALS (CENTRAL) IN THE COCHRANE LIBRARY WERE SEARCHED UNTIL JUNE, 2013. WE INCLUDED RANDOMIZED CLINICAL TRIALS TESTING YOGA AGAINST CONVENTIONAL THERAPY, YOGA VERSUS NO TREATMENT, YOGA COMBINED WITH CONVENTIONAL THERAPY VERSUS CONVENTIONAL THERAPY OR CONVENTIONAL THERAPY COMBINED WITH BREATH AWARENESS. STUDY SELECTION, DATA EXTRACTION, QUALITY ASSESSMENT, AND DATA ANALYSES WERE CONDUCTED ACCORDING TO THE COCHRANE STANDARDS. RESULTS: A TOTAL OF 6 STUDIES (INVOLVING 386 PATIENTS) WERE INCLUDED. THE METHODOLOGICAL QUALITY OF THE INCLUDED TRIALS WAS EVALUATED AS GENERALLY LOW. A TOTAL OF 6 RCTS MET ALL THE INCLUSION CRITERIA. 4 OF THEM COMPARED YOGA PLUS CONVENTIONAL THERAPY WITH CONVENTIONAL THERAPY. 1 RCT DESCRIBED YOGA COMBINED WITH CONVENTIONAL THERAPY VERSUS CONVENTIONAL THERAPY COMBINED WITH BREATH AWARENESS. 2 RCT TESTED THE EFFECT OF YOGA VERSUS CONVENTIONAL THERAPY ALONE. 1 RCT DESCRIBED YOGA COMPARED TO NO TREATMENT. ONLY ONE TRIAL REPORTED ADVERSE EVENTS WITHOUT DETAILS, THE SAFETY OF YOGA IS STILL UNCERTAIN. CONCLUSIONS: THERE IS SOME ENCOURAGING EVIDENCE OF YOGA FOR LOWERING SBP AND DBP. HOWEVER, DUE TO LOW METHODOLOGICAL QUALITY OF THESE IDENTIFIED TRIALS, A DEFINITE CONCLUSION ABOUT THE EFFICACY AND SAFETY OF YOGA ON EH CANNOT BE DRAWN FROM THIS REVIEW. THEREFORE, FURTHER THOROUGH INVESTIGATION, LARGE-SCALE, PROPER STUDY DESIGNED, RANDOMIZED TRIALS OF YOGA FOR HYPERTENSION WILL BE REQUIRED TO JUSTIFY THE EFFECTS REPORTED HERE. 2013 14 2354 32 UTILIZING YOGA IN ONCOLOGIC PATIENTS TREATED WITH RADIOTHERAPY: REVIEW. PURPOSE: SEVERAL TRIALS ON NONCANCER POPULATION INDICATE THAT YOGA IS ASSOCIATED WITH MEANINGFUL CLINICAL EFFECTS. THIS STUDY EVALUATED THE PHYSICAL AND PSYCHOSOCIAL OUTCOMES OF YOGA IN ONCOLOGIC PATIENTS TREATED WITH RADIOTHERAPY. METHODS: WE FOCUSED ON A RESEARCH THROUGH COCHRANE REGISTER OF CONTROLLED TRIALS (CENTRAL), BIOMED CENTRAL, AND MEDLINE STUDIES UP TO MAY 2017. RESULTS: YOGA WAS FOUND TO HAVE A SUBSTANTIAL BENEFIT IN CANCER PATIENTS' DISTRESS, ANXIETY, AND DEPRESSION. IT ALSO DEMONSTRATED A MODERATE IMPACT ON FATIGUE AND EMOTIONAL FUNCTION AND A SMALL AND INSIGNIFICANT EFFECT ON FUNCTIONAL WELL-BEING AND SLEEP DISTURBANCES. AS FAR AS THE EFFECTS ON PSYCHOLOGICAL OUTCOMES ARE CONCERNED, THERE WAS INSUFFICIENT EVIDENCE. CONCLUSIONS: THIS SYSTEMATIC REVIEW OF RANDOMIZED CONTROLLED TRIALS SHOWED THAT YOGA HAS STRONG BENEFICIAL EFFECTS ON ONCOLOGIC PATIENTS' QUALITY OF LIFE. RESULTS OF THE CURRENT REVIEW MUST BE INTERPRETED WITH CAUTION DUE TO THE RELATIVE SMALL SAMPLE SIZES OF MOST OF THE INCLUDED STUDIES, WHILE A PROSPECTIVE RANDOMIZED STUDY STANDS IN NEED FOR THE CONFIRMATION OF OUR RESULTS. 2018 15 1519 42 IS YOGA EFFECTIVE FOR PAIN? A SYSTEMATIC REVIEW OF RANDOMIZED CLINICAL TRIALS. OBJECTIVE: THE OBJECTIVE OF THIS SYSTEMATIC REVIEW WAS TO ASSESS THE EFFECTIVENESS OF YOGA AS A TREATMENT OPTION FOR ANY TYPE OF PAIN. METHOD: SEVEN DATABASES WERE SEARCHED FROM THEIR INCEPTION TO FEBRUARY 2011. RANDOMIZED CLINICAL TRIALS WERE CONSIDERED IF THEY INVESTIGATED YOGA IN PATIENTS WITH ANY TYPE OF PAIN AND IF THEY ASSESSED PAIN AS A PRIMARY OUTCOME MEASURE. THE 5-POINT JADAD SCALE WAS USED TO ASSESS METHODOLOGICAL QUALITY OF STUDIES. THE SELECTION OF STUDIES, DATA EXTRACTION AND QUALITY ASSESSMENT WERE PERFORMED INDEPENDENTLY BY TWO REVIEWERS. RESULTS: TEN RANDOMIZED CLINICAL TRIALS (RCTS) MET THE INCLUSION CRITERIA. THEIR METHODOLOGICAL QUALITY RANGED BETWEEN 1 AND 4 ON THE JADAD SCALE. NINE RCTS SUGGESTED THAT YOGA LEADS TO A SIGNIFICANTLY GREATER REDUCTION IN PAIN THAN VARIOUS CONTROL INTERVENTIONS SUCH AS STANDARD CARE, SELF CARE, THERAPEUTIC EXERCISES, RELAXING YOGA, TOUCH AND MANIPULATION, OR NO INTERVENTION. ONE RCT FAILED TO PROVIDE BETWEEN GROUP DIFFERENCES IN PAIN SCORES. CONCLUSIONS: IT IS CONCLUDED THAT YOGA HAS THE POTENTIAL FOR ALLEVIATING PAIN. HOWEVER, DEFINITIVE JUDGMENTS ARE NOT POSSIBLE. 2011 16 1042 35 EFFECTS OF YOGA INTERVENTIONS ON FATIGUE IN CANCER PATIENTS AND SURVIVORS: A SYSTEMATIC REVIEW OF RANDOMIZED CONTROLLED TRIALS. BACKGROUND: FATIGUE IS ONE OF THE MOST FREQUENTLY REPORTED, DISTRESSING SIDE EFFECTS REPORTED BY CANCER SURVIVORS AND OFTEN HAS SIGNIFICANT LONG-TERM CONSEQUENCES. RESEARCH INDICATES THAT YOGA CAN PRODUCE INVIGORATING EFFECTS ON PHYSICAL AND MENTAL ENERGY, AND THEREBY MAY IMPROVE LEVELS OF FATIGUE. THE OBJECTIVE OF THIS SYSTEMATIC REVIEW WAS TO EXAMINE THE LITERATURE THAT REPORTS THE EFFECTS OF RANDOMIZED, CONTROLLED YOGA INTERVENTIONS ON SELF-REPORTED FATIGUE IN CANCER PATIENTS AND SURVIVORS. THE ONLINE ELECTRONIC DATABASES, PUBMED AND PSYCINFO, WERE USED TO SEARCH FOR PEER-REVIEWED RESEARCH ARTICLES STUDYING THE EFFECTS OF YOGA INTERVENTIONS ON FATIGUE IN CANCER SURVIVORS. COMBINATIONS OF YOGA, CANCER, AND FATIGUE-RELATED SEARCH TERMS WERE ENTERED SIMULTANEOUSLY TO OBTAIN ARTICLES THAT INCLUDED ALL THREE ELEMENTS. STUDIES WERE INCLUDED IF THEY MET THE FOLLOWING INCLUSION CRITERIA: PARTICIPANTS WERE MALE OR FEMALE CANCER PATIENTS OR SURVIVORS PARTICIPATING IN RANDOMIZED, CONTROLLED YOGA INTERVENTIONS. THE MAIN OUTCOME OF INTEREST WAS CHANGE IN FATIGUE FROM PRE- TO POST-INTERVENTION. INTERVENTIONS OF ANY LENGTH WERE INCLUDED IN THE ANALYSIS. RISK OF BIAS USING THE FORMAT OF THE COCHRANE COLLABORATION'S TOOL FOR ASSESSING RISK OF BIAS WAS ALSO EXAMINED ACROSS STUDIES. RESULTS: TEN ARTICLES MET INCLUSION CRITERIA AND INVOLVED A TOTAL OF 583 PARTICIPANTS WHO WERE PREDOMINANTLY FEMALE, BREAST CANCER SURVIVORS. FOUR STUDIES INDICATED THAT THE YOGA INTERVENTION RESULTED IN SIGNIFICANT REDUCTIONS IN SELF-REPORTED FATIGUE FROM PRE- TO POST-INTERVENTION. THREE OF THE STUDIES REPORTED THAT THERE WERE SIGNIFICANT REDUCTIONS OF FATIGUE AMONG PARTICIPANTS WHO ATTENDED A GREATER NUMBER OF YOGA CLASSES. RISK OF BIAS WAS HIGH FOR AREAS OF ADEQUATE SELECTION, PERFORMANCE, DETECTION, AND PATIENT-REPORTED BIAS AND MIXED FOR ATTRITION AND REPORTING BIAS. RISK OF BIAS WAS UNIFORMLY LOW FOR OTHER FORMS OF BIAS, INCLUDING FINANCIAL CONFLICTS OF INTEREST. CONCLUSIONS: RESULTS OF THE STUDIES INCLUDED IN THIS REVIEW SUGGEST THAT YOGA INTERVENTIONS MAY BE BENEFICIAL FOR REDUCING CANCER-RELATED FATIGUE IN WOMEN WITH BREAST CANCER; HOWEVER, CONCLUSIONS SHOULD BE INTERPRETED WITH CAUTION AS A RESULT OF LEVELS OF BIAS AND INCONSISTENT METHODS USED ACROSS STUDIES. MORE WELL-CONSTRUCTED RANDOMIZED CONTROLLED TRIALS ARE NEEDED TO DETERMINE THE IMPACT OF YOGA INTERVENTIONS ON FATIGUE IN CANCER PATIENTS AND SURVIVORS. 2013 17 1084 34 EFFECTS OF YOGA ON STRESS MANAGEMENT IN HEALTHY ADULTS: A SYSTEMATIC REVIEW. OBJECTIVE: THIS ARTICLE REPORTS A SYSTEMATIC REVIEW AND CRITICAL APPRAISAL OF THE EFFECT OF YOGA ON STRESS MANAGEMENT IN HEALTHY ADULTS. METHODS: A SYSTEMATIC LITERATURE SEARCH WAS PERFORMED TO IDENTIFY RANDOMIZED CONTROLLED TRIALS (RCTS) AND CLINICAL CONTROLLED TRIALS (CCTS) THAT ASSESSED THE EFFECTS OF YOGA ON STRESS MANAGEMENT IN HEALTHY ADULTS. SELECTED STUDIES WERE CLASSIFIED ACCORDING TO THE TYPES OF INTERVENTION, DURATION, OUTCOME MEASURES, AND RESULTS. THEY WERE ALSO QUALITATIVELY ASSESSED BASED ON PUBLIC HEALTH RESEARCH, EDUCATION AND DEVELOPMENT STANDARDS. RESULTS: THE SYSTEMATIC REVIEW WAS BASED ON EIGHT RCTS AND CCTS THAT INDICATED A POSITIVE EFFECT OF YOGA IN REDUCING STRESS LEVELS OR STRESS SYMPTOMS. HOWEVER, MOST OF THE STUDIES HAD METHODOLOGICAL PROBLEMS IN THAT THE INTERVENTION DURATION WAS SHORT AND LIMITED FOLLOW-UP DATA WAS AVAILABLE. CONCLUSION: THIS REVIEW REVEALED POSITIVE EFFECTS OF YOGA ON STRESS REDUCTION IN HEALTHY ADULT POPULATIONS. HOWEVER, THE RESULT SHOULD BE INTERPRETED WITH CAUTION DUE TO THE SMALL NUMBER OF STUDIES AND THE ASSOCIATED METHODOLOGICAL PROBLEMS. FURTHER STUDIES TO ASCERTAIN YOGA'S LONG-TERM EFFECTS AND THE UNDERLYING BIOLOGICAL MECHANISMS LEADING TO ITS STRESS REDUCTION EFFECT SHOULD BE CONDUCTED. 2011 18 1031 37 EFFECTS OF YOGA EXERCISES FOR HEADACHES: A SYSTEMATIC REVIEW OF RANDOMIZED CONTROLLED TRIALS. [PURPOSE] TO ASSESS THE EVIDENCE FOR THE EFFECTIVENESS OF YOGA EXERCISES IN THE MANAGEMENT OF HEADACHES. [SUBJECTS AND METHODS] A SEARCH WAS CONDUCTED OF SIX ELECTRONIC DATABASES TO IDENTIFY RANDOMIZED CONTROLLED TRIALS (RCTS) REPORTING THE EFFECTS OF YOGIC INTERVENTION ON HEADACHES PUBLISHED IN ANY LANGUAGE BEFORE JANUARY 2015. QUALITY ASSESSMENT WAS CONDUCTED USING THE COCHRANE RISK OF BIAS TOOL. [RESULTS] ONE POTENTIAL TRIAL WAS IDENTIFIED AND INCLUDED IN THIS REVIEW. THE QUALITY CRITICAL APPRAISAL INDICATED A MODERATE RISK OF BIAS. THE AVAILABLE DATA COULD ONLY BE INCLUDED AS A NARRATIVE DESCRIPTION. HEADACHE INTENSITY AND FREQUENCY, ANXIETY AND DEPRESSION SCORES, AND SYMPTOMATIC MEDICATION USE WERE SIGNIFICANTLY LOWER IN THE YOGA GROUP COMPARED TO THE CONTROL GROUP. [CONCLUSION] THERE IS EVIDENCE FROM ONE RCT THAT YOGA EXERCISES MAY BE BENEFICIAL FOR HEADACHES. HOWEVER, THE FINDINGS SHOULD BE INTERPRETED WITH CAUTION DUE TO THE SMALL NUMBER OF RCTS. THEREFORE, FURTHER RIGOROUS METHODOLOGICAL AND HIGH QUALITY RCTS ARE REQUIRED TO INVESTIGATE THE HYPOTHESIS THAT YOGA EXERCISES ALLEVIATE HEADACHES, AND TO CONFIRM AND FURTHER COMPREHEND THE EFFECTS OF STANDARDIZED YOGA PROGRAMS ON HEADACHES. 2015 19 698 37 EFFECT OF HATHA YOGA ON ANXIETY: A META-ANALYSIS. OBJECTIVE: SOME EVIDENCE SUGGESTS THAT HATHA YOGA MIGHT BE AN EFFECTIVE PRACTICE TO REDUCE ANXIETY. TO EXAMINE THE EFFECT OF HATHA YOGA ON ANXIETY, WE CONDUCTED A META-ANALYSIS OF RELEVANT STUDIES EXTRACTED FROM PUBMED, PSYCINFO, THE COCHRANE LIBRARY, AND MANUAL SEARCHES. METHODS: THE SEARCH IDENTIFIED 17 STUDIES (11 WAITLIST CONTROLLED TRIALS) TOTALING 501 PARTICIPANTS WHO RECEIVED HATHA YOGA AND WHO REPORTED THEIR LEVELS OF ANXIETY BEFORE AND AFTER THE PRACTICE. WE ESTIMATED THE CONTROLLED AND WITHIN-GROUP RANDOM EFFECTS OF THE PRACTICE ON ANXIETY. RESULTS: THE PRE-POST WITHIN-GROUP AND CONTROLLED EFFECT SIZES WERE, HEDGES' G = 0.44 AND HEDGES' G = 0.61, RESPECTIVELY. TREATMENT EFFICACY WAS POSITIVELY ASSOCIATED WITH THE TOTAL NUMBER OF HOURS PRACTICED. PEOPLE WITH ELEVATED LEVELS OF ANXIETY BENEFITTED THE MOST. EFFECT SIZES WERE NOT MODERATED BY STUDY YEAR, GENDER, PRESENCE OF A MEDICAL DISORDER, OR AGE. ALTHOUGH THE QUALITY OF THE STUDIES WAS RELATIVELY LOW, THE RISK OF STUDY BIAS DID NOT MODERATE THE EFFECT. CONCLUSIONS: HATHA YOGA IS A PROMISING METHOD FOR TREATING ANXIETY. HOWEVER, MORE WELL-CONTROLLED STUDIES ARE NEEDED TO COMPARE THE EFFICACY OF HATHA YOGA WITH OTHER MORE ESTABLISHED TREATMENTS AND TO UNDERSTAND ITS MECHANISM. THIS ARTICLE IS PROTECTED BY COPYRIGHT. ALL RIGHTS RESERVED. 2016 20 2689 35 YOGA IN THE WORKPLACE AND HEALTH OUTCOMES: A SYSTEMATIC REVIEW. BACKGROUND: HEALTH PROMOTION IN THE WORKPLACE IS INTENDED TO ENHANCE EMPLOYEE HEALTH AND WELL-BEING. YOGA PROGRAMMES ARE EASY TO IMPLEMENT AND HAVE BEEN EFFECTIVE IN THE MANAGEMENT OF VARIOUS HEALTH CONDITIONS. AIMS: TO ASSESS THE EVIDENCE REGARDING THE EFFECTIVENESS OF YOGA PROGRAMMES AT WORK. METHODS: A SEARCH OF ELECTRONIC DATABASES OF PUBLISHED STUDIES UP UNTIL THE 1ST OF APRIL 2017. INCLUSION CRITERIA FOR THE SYSTEMATIC REVIEW WERE RANDOMIZED CONTROLLED TRIALS OF ADULT EMPLOYEES AND YOGA IN THE WORKPLACE. QUALITY APPRAISAL WAS CARRIED OUT USING THE COCHRANE COLLABORATION'S TOOL FOR ASSESSING RISK OF BIAS IN RANDOMIZED TRIALS. RESULTS: OF 1343 PAPERS IDENTIFIED, 13 STUDIES MET THE INCLUSION CRITERIA. NINE OUT OF 13 TRIALS WERE CLASSIFIED AS HAVING AN UNCLEAR RISK OF BIAS. THE OVERALL EFFECTS OF YOGA ON MENTAL HEALTH OUTCOMES WERE BENEFICIAL, MAINLY ON STRESS. MOST OF THE CARDIOVASCULAR ENDPOINTS SHOWED NO DIFFERENCES BETWEEN YOGA AND CONTROLS. OTHER OUTCOMES REPORTED POSITIVE EFFECTS OF YOGA OR NO CHANGE. CONCLUSIONS: THE FINDINGS OF THIS STUDY SUGGEST THAT YOGA HAS A POSITIVE EFFECT ON HEALTH IN THE WORKPLACE, PARTICULARLY IN REDUCING STRESS, AND NO NEGATIVE EFFECTS WERE REPORTED IN ANY OF THE RANDOMIZED CONTROLLED TRIALS. FURTHER LARGER STUDIES ARE REQUIRED TO CONFIRM THIS. 2019