Bilateral Endometrioma Excision: Surgery-Related Damage to Ovarian Reserve

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Unoperated ovarian endometriomas do not alter ovarian reserve, while surgery for bilateral endometriomas appears to make ovarian reserve decline independent of age.

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This sectional analysis of women undergoing fresh autologous IVF/ICSI compared ovarian reserve markers—basal FSH, gonadotropin response (dominant follicles), and retrieved oocytes—across four groups: unoperated ovarian endometrioma(s), prior surgery for monolateral endometrioma, surgery for bilateral ovarian endometriomas, and tubal factor infertility controls. The study found significant age-related relationships between these variables in the unoperated endometrioma(s), monolateral surgery, and tubal factor groups, suggesting similar ovarian decay patterns to healthier ovaries, whereas no such relationships were observed after bilateral endometrioma surgery. The authors report that unoperated endometriotic lesions did not interfere with ovarian reserve or IVF/ICSI outcomes and were less injurious than surgery, while decline in ovarian reserve after bilateral surgery appeared independent of age. A limitation explicitly reflected by the design is that it is an observational/sectional comparison rather than a longitudinal measurement of ovarian reserve over time. This paper is centrally about endometriosis — it evaluates how unoperated versus surgically excised ovarian endometriomas, including bilateral excision, relate to ovarian reserve and its age-associated decline in IVF/ICSI cycles.

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Abstract

To study whether unoperated ovarian endometrioma(s) or its surgical excision led to a modified pattern of ovarian decay with increasing female age. A sectional analysis of basal follicle stimulating hormone (FSH) and ovarian response to gonadotropins was conducted on women treated with fresh autologous In Vitro Fertilization/Intracytoplasmic sperm injection (IVF/ICSI) cycles. The study group included patients with unoperated ovarian endometrioma(s) (108 cycles); control groups were women with previous surgery for monolateral ovarian endometrioma (101 cycles), surgery for bilateral ovarian endometriomas (39 cycles), and tubal factor infertility (171 cycles). Simple linear regression analyses and the Pearson correlation were used to analyze the correlation between basal FSH, number of dominant follicles, number of retrieved oocytes, and age of patients. The relationship between the variables was significant in case of patients with nonoperated ovarian endometrioma(s) and patients with previous surgery for monolateral endometrioma and tubal factor infertility group. In patients with a history of surgery for bilateral endometriomas, no relationship was found among the variables (basal FSH 95% confidence interval [CI]: −0.475 to 0.319; P =.688; number of dominant follicles 95% CI: −0.484 to 0.382; P =.808; number of retrieved oocytes 95% CI: −0.478 to 0.370, P =.792). In women with unoperated ovarian endometrioma(s) or with a history of surgery for monolateral endometrioma, the remaining ovarian parenchyma maintains the same pattern of ovarian decay as healthy ovaries. Unoperated ovarian endometriotic lesions did not interfere with ovarian reserve and IVF/ICSI cycles’ outcomes and were less injurious than surgery. After surgery for bilateral ovarian endometriomas, a decline in ovarian reserve seems independent from the patient’s age. Similar content being viewed by others

References

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Francesca Rizzello made a substantial contribution to the acquisition, analysis of data, drafting and revising the article critically, and final approval of the version to be published. Tommaso Capezzuoli, Paolo Evangelisti, Cinzia Cozzi, and Felice Petraglia revised the article critically and contributed to final approval of the version to be published. All authors have approved the submitted version of the manuscript. Rights and permissions About this article Cite this article Coccia, M.E., Rizzello, F., Capezzuoli, T. et al. Bilateral Endometrioma Excision: Surgery-Related Damage to Ovarian Reserve. Reprod. Sci. 26, 543–550 (2019). https://doi.org/10.1177/1933719118777640 Published: Version of record: Issue date: DOI: https://doi.org/10.1177/1933719118777640

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mesh:D004715endometrioma

MeSH descriptors

Endometriosis Ovarian Reserve Adult Age Factors Endometriosis Female Fertilization in Vitro Follicle Stimulating Hormone Follicle Stimulating Hormone Gonadotropins Gonadotropins Humans Oocyte Retrieval Pregnancy Pregnancy Rate Treatment Outcome

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