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Year : 2016  |  Volume : 6  |  Issue : 4  |  Page : 91-102

Does endothelial dysfunction correlate with endocrinal abnormalities in patients with polycystic ovary syndrome?

Department of Obstetrics and Gynaecology, Ras al-Khaimah Medical and Health Sciences University, Al Qusaidat, Ras al-Khaimah, United Arab Emirates

Correspondence Address:
Rajani Dube
Department of Obstetrics and Gynaecology, Ras al-Khaimah Medical and Health Sciences University, Al Qusaidat,Ras al-Khaimah
United Arab Emirates
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2231-0770.191445

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To study and critically analyze the published evidence on correlation of hormonal abnormalities and endothelial dysfunction (ED) in polycystic ovary syndrome (PCOS) through a systematic review. The databases including MEDLINE, PubMed, Up-To-Date, and Science Direct were searched using Medical subject handling terms and free text term keywords such as endocrine abnormalities in PCOS, ED assessment in PCOS, ED in combination with insulin resistance (IR), hyperandrogenism (HA), increased free testosterone, free androgen index (FAI), gonadotrophin levels, luteinizing hormone (LH), prolactin, estrogen, adipocytokines to search trials, and observational studies published from January 1987 to September 2015. Authors of original studies were contacted for additional data when necessary. PCOS increases the risk of cardiovascular disease in women. ED, which is a reliable indicator of cardiovascular risk in general population, is seen in most (but not all) women with PCOS. IR, seen in 70% patients with PCOS, is associated with ED in these women, but patients can have normal endothelial function even in the presence of IR. Free testosterone and FAI are consistently associated with ED, but endothelial function can be normal despite HA. Estradiol (not estrone) appears to be protective against ED though estrone is the predominant estrogen produced in PCOS. Increased levels of adipocytokines (visfatin) are promising in predicting ED and cardiovascular risk. However, more studies are required focusing on direct correlation of levels of prolactin, LH, estrone, and visfatin with ED in PCOS.

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