Effect of ovarian endometrioma on uterine and ovarian blood flow in infertile women
Authors El-Mazny A, Kamel A, Ramadan W, Gad-Allah S, Abdelaziz S, Hussein AM
Received 9 October 2016
Accepted for publication 8 November 2016
Published 28 November 2016 Volume 2016:8 Pages 677—682
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 4
Editor who approved publication: Professor Elie Al-Chaer
Akmal El-Mazny, Ahmed Kamel, Wafaa Ramadan, Sherine Gad-Allah, Suzy Abdelaziz, Ahmed M Hussein
Department of Obstetrics and Gynecology, Faculty of Medicine, Cairo University, Cairo, Egypt
Background: Angiogenesis has been found to be among the most important factors in the pathogenesis of endometriosis. The formation of new blood vessels is critical for the survival of newly implanted endometriotic foci. The use of 3-D power Doppler allows for the demonstration of the dynamic vascular changes that occur during the process of in vitro fertilization (IVF). We aimed to evaluate the effect of ovarian endometrioma on uterine and ovarian blood flow in infertile women.
Materials and methods: In a case–control study at a university teaching hospital, 138 women with unilateral ovarian endometrioma scheduled for IVF were compared to 138 women with male-factor or unexplained infertility. In the mid-luteal (peri-implantation) phase of the cycle, endometrial thickness, uterine and ovarian artery pulsatility index and resistance index, endometrial and ovarian volume, 3-D power Doppler vascularization index (VI), flow index (FI), and vascularization FI (VFI) values were measured in both groups.
Results: There were no significant differences (P>0.05) in endometrial thickness, uterine ovarian artery pulsatility index and resistance index, endometrial and ovarian volume, or VI, FI, and VFI between the two groups. Furthermore, the endometrial and ovarian Doppler indices were not influenced by endometrioma size. No significant differences were observed in the ovarian Doppler indices between endometrioma-containing ovaries and contralateral ovaries.
Conclusion: Ovarian endometrioma is not associated with impaired endometrial and ovarian blood flows in infertile women scheduled for IVF, and it is not likely to affect endometrial receptivity or ovarian function through a vascular mechanism.
Keywords: 3-D power Doppler, endometrioma, IVF, uterine and ovarian blood flow
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