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The impact of obesity and fitness on endothelial function in polycystic ovarian syndrome

Sprung, V S (2012) The impact of obesity and fitness on endothelial function in polycystic ovarian syndrome. Doctoral thesis, Liverpool John Moores University.

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Abstract

Polycystic ovarian syndrome (PCOS) is a highly prevalent heterogeneous syndrome associated with abdominal obesity, insulin resistance and the metabolic syndrome. This clustering of risk factors could translate into an adverse cardiovascular disease (CVD) risk profile. Endothelial dysfunction, an early barometer of CVD, has been exhibited by women with PCOS; however, it remains unclear whether endothelial dysfunction is independent of CVD risk factors in this population. Exercise training has been found to enhance conduit artery and cutaneous microvessel endothelial function in various populations. Nevertheless, limited research exists regarding the cardiovascular effects of exercise in PCOS, and its impact on endothelial function in conduit arteries and cutaneous microvessels, has not been explored. The primary aim of this thesis was to examine nitric oxide (NO)-mediated endothelial function at different levels of the vascular tree in women with PCOS and to establish whether supervised exercise training induces a therapeutic effect on endothelial function. A systematic review of published studies comparing FMD in PCOS and control women was conducted. Twenty-one published studies were identified for inclusion (pCOS n=908; controls n=566). Differences in FMD between PCOS and controls were synthesised and meta-regressed against BMI and age. The pooled mean FMD was 3.5% lower (95% CI=3.4, 3.7%; P

Item Type: Thesis (Doctoral)
Subjects: R Medicine > RC Internal medicine > RC1200 Sports Medicine
R Medicine > RG Gynecology and obstetrics
Divisions: Sport & Exercise Sciences
Date Deposited: 29 Mar 2017 10:23
Last Modified: 29 Mar 2017 10:23
URI: http://researchonline.ljmu.ac.uk/id/eprint/6119

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