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Vitrification of Ovarian Cortex Tissue to Achieve a Glassy State of Aggregation
Published on: August 9, 2024
Ovarian tissue cryopreservation for non-malignant indications
Johannes Ott1, Kazem Nouri, Lucija Stögbauer
1Department of Gynaecologic Endocrinology and Reproductive Medicine, Medical University of Vienna, Währinger Gürtel 18-20, Vienna, Austria. johannes.ott@meduniwien.ac.at
Archives of Gynecology and Obstetrics
|September 23, 2009
Summary
Ovarian tissue cryopreservation (OTC) is a safe fertility preservation method for patients with non-malignant diseases. Laparoscopic surgery for OTC is well-tolerated, with most patients discharged quickly and viable ovarian tissue confirmed.
Area of Science:
- Reproductive Medicine
- Oncology
- Gynecology
Background:
- Ovarian tissue cryopreservation (OTC) is indicated beyond cancer treatment, including for benign conditions like autoimmune diseases.
- Fertility preservation for non-malignant conditions is an emerging area in reproductive medicine.
Purpose of the Study:
- To evaluate the safety and feasibility of surgical ovarian tissue cryopreservation (OTC) in patients with non-malignant diseases.
- To assess intra- and postoperative outcomes for fertility preservation in this patient group.
Main Methods:
- Retrospective cohort study analyzing intra- and postoperative courses of patients undergoing OTC for non-malignant indications.
- Histological examination of ovarian cortical slices for primordial follicles and microbiological cultures to assess tissue viability and sterility.
Main Results:
- Seven patients underwent OTC for non-malignant reasons, with all experiencing uncomplicated intraoperative courses.
- A median of 12 ovarian cortical strips were cryopreserved per patient; 6/7 showed intact ovarian tissue with primordial follicles.
- One non-surgical adverse event occurred; most patients were discharged on postoperative day one, with all microbiological tests negative.
Conclusions:
- Laparoscopic ovarian tissue harvesting is a safe procedure for patients with non-malignant diseases requiring fertility preservation.
- While ethical considerations for OTC in non-malignant cases persist, the surgical safety is demonstrated.