Vol 91, No 4 (2020)
Research paper
Published online: 2020-04-29

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Smoking reduces ovarian stromal blood flow in polycystic ovary syndrome patients

Özlen Emekçi Özay1, Ali Cenk Özay1
Pubmed: 32374020
Ginekol Pol 2020;91(4):201-206.


Objectives: The objective of the current research is to compare hormonal, metabolic and ovarian stromal blood flow
outcomes in smoking versus non-smoking polycystic ovary syndrome (PCOS) patients.
Material and methods: 79 PCOS women (Group 1) and 79 healthy subjects (Group 2) were recruited. Both groups were
subdivided according to their smoking habits. Ovarian stromal blood flow was assessed with pulsatility and resistance
index for both ovaries and compared among smoking women.
Results: The smokers in the PCOS group had statistically significant higher levels of pulsatility and resistance index in both
ovaries compared to nonsmoker PCOS patients (p < 0.001). Comparison of ovarian stromal blood flow indexes shows that
pulsatility and resistance index for both ovaries is statistically significantly high in smoking healthy patients compared to
the nonsmoking group (p < 0.001). There is a positive correlation between smoking and free androgen index (r = 0.866,
p < 0.001) for PCOS patients and healthy women.
Conclusions: Smoking reduces ovarian blood flow in PCOS patients and healthy subjects. Smoke components effect the
vascular structure and form endothelial injuries that may reduce ovarian tissue perfusion. In this study, the positive correlation
between smoking and free androgen index shows that the main effect of smoking on ovarian blood flow may be
through androgen metabolism.

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