Obesity and endometrial hyperplasia and cancer in premenopausal women: A systematic review

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• 作者：Michelle R. Wise ; FRCSC^a ; ^b ; ^{m.wise@auckland.ac.nz" class="auth_mail" title="E-mail the corresponding author} ; Vanessa Jordan ; PhD^c ; Alice Lagas ; PhD^c ; Marian Showell ; MPH^c ; Nicole Wong^a ; Sarah Lensen ; PGDipPH^c ; Cynthia M. Farquhar ; FRANZCOG^b ; ^c
• 关键词：body mass index ; endometrial cancer ; endometrial hyperplasia ; obesity ; premenopausal women ; systematic review
• 刊名：American Journal of Obstetrics and Gynecology
• 出版年：2016
• 出版时间：June 2016
• 年：2016
• 卷：214
• 期：6
• 页码：689.e1-689.e17
• 全文大小：1094 K

文摘

To systematically review the literature on the association between obesity and endometrial hyperplasia or cancer in premenopausal women.

Data Sources

We searched the bibliographic databases MEDLINE, EMBASE, PubMed, and CINAHL (inception to May 5, 2015), and checked reference lists of included studies and systematic reviews.

Study Eligibility Criteria

Studies of more than 50 women with endometrial pathology diagnosed during premenopause that reported on obesity as a risk factor were eligible.

Study Appraisal and Synthesis Methods

Study identification and data extraction were independently performed by 2 authors. Where possible, data were pooled in a generic inverse variance forest plot. Heterogeneity was reported using the I² statistic.

Results

Nine case-control studies of moderate quality were included. Quantitative analysis of 5 studies showed a dose–response relationship of body mass index and increased risk of endometrial cancer. For studies of women with body mass index of ≥25, the pooled odds ratio was 3.85 (95% confidence interval 2.53–5.84); body mass index of ≥30 was 5.25 (4.00–6.90); and body mass index of ≥40 was 19.79 (11.18–35.03).

Conclusion

Body mass index is a consistent and leading risk factor for endometrial complex hyperplasia or cancer in premenopausal women. Body mass index should be considered when deciding to assess the endometrium in symptomatic premenopausal women.