Document Detail


Exercise therapy in polycystic ovary syndrome: a systematic review.
MedLine Citation:
PMID:  20833639     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
BACKGROUND Polycystic ovary syndrome (PCOS) is a common endocrine disorder, affecting 8-12% of women. Lifestyle modification, including increased physical activity, is the first-line approach in managing PCOS. A systematic review was performed to identify and describe the effect of exercise as an independent intervention on clinical outcomes in PCOS. METHODS Five databases were searched with no time limit. A pre-specified definition of PCOS was not used. Studies were included if exercise therapy (aerobic and/or resistance) could be evaluated as an independent treatment against a comparison group. Outcomes measured included cardiovascular risk factors [insulin resistance (IR), lipid profiles, blood pressure and weight] and reproductive measures (ovulation, menstrual regularity and fertility outcomes). Quality analysis was performed based on the Cochrane Handbook of Systematic Reviews and the Quality of Reporting of Meta-Analyses checklist. RESULTS Eight manuscripts were identified (five randomized controlled trials and three cohort studies). All studies involved moderate intensity physical activity and most were of either 12 or 24 weeks duration with frequency and duration of exercise sessions ranging between studies. The most consistent improvements included improved ovulation, reduced IR (9-30%) and weight loss (4.5-10%). Improvements were not dependant on the type of exercise, frequency or length of exercise sessions. CONCLUSIONS Exercise-specific interventions in PCOS are limited. Studies vary considerably in design, intensity and outcome measures; therefore conclusive results remain elusive. Larger, optimally designed studies are needed to both gain insights into the mechanisms of exercise action and to evaluate the public health impact of exercise of PCOS.
Authors:
Cheryce L Harrison; Catherine B Lombard; Lisa J Moran; Helena J Teede
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Publication Detail:
Type:  Journal Article     Date:  2010-09-10
Journal Detail:
Title:  Human reproduction update     Volume:  17     ISSN:  1460-2369     ISO Abbreviation:  Hum. Reprod. Update     Publication Date:    2011 Mar-Apr
Date Detail:
Created Date:  2011-02-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9507614     Medline TA:  Hum Reprod Update     Country:  England    
Other Details:
Languages:  eng     Pagination:  171-83     Citation Subset:  IM    
Affiliation:
School of Public Health and Preventive Medicine, Monash University, Monash Medical Centre, 242 Clayton Rd, Clayton, Melbourne 3168, Australia.
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