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Clin Endocrinol (Oxf). 2015 May;82(5):747-52. doi: 10.1111/cen.12647. Epub 2014 Dec 4.

The effect of prolactin levels on MPV in women with PCOS.

Author information

1
Department of Obstetrics and Gynecology, Manisa Merkezefendi State Hospital, Inciralti, Turkey; Department of Obstetrics and Gynecology, Manisa Akhisar State Hospital, Inciralti, Turkey.

Abstract

OBJECTIVE:

Polycystic ovary syndrome (PCOS) is associated with cardiovascular risk factors including hypertension, obesity, hyperlipidaemia and glucose intolerance. Several studies demonstrated the link between PCOS and an increased risk of cardiovascular disease. Platelets play a crucial role in the development of atherothrombotic disease. Mean platelet volume (MPV) is a marker of platelet size that reflects its activity. Research points to a link between prolactin (PRL) and platelet activation. The purpose of this study was to investigate whether prolactin levels are associated with MPV in women with PCOS.

DESIGN:

The research was designed as a cross-sectional study.

PATIENTS:

Participants were divided into three groups-PCOS patients with mildly elevated PRL levels (n = 72), patients with PCOS with normal PRL levels (n = 207) and healthy controls (n = 90). They were body mass index and age-matched and consecutively recruited.

MEASUREMENTS:

Complete blood counts, serum glucose, prolactin, insulin, lipids, high-sensitivity C-reactive protein and free-testosterone levels were measured.

RESULTS:

Among the three groups, MPV levels were higher in women with PCOS having mildly elevated PRL levels (P < 0·001) and MPV was found to be correlated with PRL levels (r = 0·387, P < 0·001). Multiple regression analysis showed that PRL levels were associated with MPV levels (R(2) = 0·239, β = 0·354, P < 0·001).

CONCLUSION:

Mean platelet volume levels are significantly increased in women with PCOS having mildly elevated PRL. Our results suggest that there is a link between prolactin and MPV levels. In women with PCOS, elevated PRL levels may increase the risk of developing atherothrombotic events via the activation of platelets.

PMID:
25359296
DOI:
10.1111/cen.12647
[Indexed for MEDLINE]

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