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Published in: Journal of Ovarian Research 1/2019

Open Access 01-12-2019 | Infertility | Research

Effect of Endometrioma cystectomy on cytokines of follicular fluid and IVF outcomes

Authors: Yu Liang, Xiaokui Yang, Yonglian Lan, Lingling Lei, Ying Li, Shuyu Wang

Published in: Journal of Ovarian Research | Issue 1/2019

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Abstract

Background

Endometriosis patients undergoing in vitro fertilization-embryo transfer (IVF-ET) treatment suffer from lower success rates. The success of IVF-ET is related to the receptivity of the uterus and the quality of embryos, and it is well known a patient’s endometriosis does not impair the receptivity. Whether endometrioma should be removed surgically before IVF remains controversial. Studies have shown that endometrioma removal decreases peritoneal inflammation, but little information is available regarding the alteration in the cytokines of follicular fluid. The objective of this study was to examine the impact of endometrioma cystectomy on the outcome of IVF and the levels of intrafollicular inflammatory cytokines and to investigate correlations between cytokine concentrations and IVF outcomes.

Method

A total of 41 women with endometriosis-associated infertility undergoing IVF were recruited; 13 patients (surgery group, S group) had surgery to remove the endometrioma before enrollment, and 28 patients (non-surgery group, NS group) were untreated before IVF. The follicular fluid from a dominant follicle was collected during oocyte retrieval, and the concentrations of sixteen soluble cytokines known to be involved in ovarian function were measured.

Results

Among the soluble molecules examined in this study, chemokines and growth factors and a few are inflammatory cytokines were found in the follicular fluid of patients with endometriosis. In addition, the expression levels of chemokines, growth factors, and most inflammatory cytokines did not differ between the S and NS groups, but interleukin (IL)-18 levels were significantly lower in the NS group. However, the levels of IL-18 in the FF did not correlate with IVF cycle parameters. The implantation and clinical pregnancy rates were similar between the two groups, but the anti-Müllerian hormone (AMH) level was lower in the S group than in the NS group.

Conclusions

These findings suggest that endometrioma surgery may potentially reduce the ovarian reserve and has little impact on the success rate of IVF. Ovarian endometriomas are not associated with cytokine profiles in FF from infertile women, and they are not likely to affect the quality of the oocyte and embryo as a result of an inflammatory mechanism.
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Metadata
Title
Effect of Endometrioma cystectomy on cytokines of follicular fluid and IVF outcomes
Authors
Yu Liang
Xiaokui Yang
Yonglian Lan
Lingling Lei
Ying Li
Shuyu Wang
Publication date
01-12-2019
Publisher
BioMed Central
Published in
Journal of Ovarian Research / Issue 1/2019
Electronic ISSN: 1757-2215
DOI
https://doi.org/10.1186/s13048-019-0572-7

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