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Standing Hand-Assisted Laparoscopic Ovariectomy in 65 Mares

Authors


  • Presented in part at the American Association of Equine Practitioners Convention, December 5–9, 2009, Las Vegas, NV.

Corresponding Author
Jacob Goodin, DVM, UW Veterinary Care—The Morrie Waud Equine Center, N6255 Church Road, Delavan, WI 53115
E-mail: jgoodin@svm.vetmed.wisc.edu

Abstract

Objective: To review the efficacy and safety of unilateral ovariectomy by use of a standing hand-assisted laparoscopic approach and evaluate the effect of ovary size on posttransection hemorrhage after application of a linear stapling device.

Study Design: Case series.

Animals: Horses (n=65) aged 2–20 years.

Methods: Medical records of mares that had ovariectomy performed by use of a standing hand-assisted laparoscopic approach were reviewed. Data retrieved were signalment, ovary removed (left, right), ovarian size, ovarian pathology, intraoperative and postoperative complications, and length of hospitalization.

Results: Mean ovarian diameter was 17 cm. Histopathology (52 mares) confirmed 41 granulosa cell tumors (79%), 8 ovarian cysts (15%), 1 teratoma (2%), and 2 ovaries (4%) without abnormalities. Hemorrhage was observed laparoscopically in 16 mares after transection of the mesovarium. Complications encountered during surgery included 1 mare collapsing in the stocks and 1 mare that hemorrhaged excessively from the incision. Postoperative complications included 2 cases of mild colic. Overall complication rate was 6%.

Conclusions: All attempts to remove the target ovary were successful. The approach is safe for the mare, as complications encountered were similar to those recently reported for other approaches.

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