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J Feline Med Surg. 2007 Oct;9(5):397-403. Epub 2007 May 21.

Laparoscopic ovariectomy in cats: comparison of laser and bipolar electrocoagulation.

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  • 1Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, PO Box 80154, 3508 TD Utrecht, The Netherlands.


Fourteen mixed-breed domestic cats underwent laparoscopic ovariectomy (lapOVE) using paediatric equipment, an Nd:YAG laser and a bipolar electrocoagulation forceps. Cats were placed in 10 degrees Trendelenburg position (head down) and insufflation pressure was kept at 4mmHg, while surgery was performed through three midline portals. Randomly-assigned unilateral laser resection of one ovary (laserOVE) and bipolar electrocoagulation (BECOVE) of the contralateral ovary were performed. Duration of predetermined surgery intervals was recorded, as well as occurrence of intra- and postoperative complications. Both methods were successful and without complications. Duration of laserOVE was significantly increased compared to BECOVE. The right ovary was more difficult to access; however, both ovaries were easy to manipulate because of the relatively long suspensory ligament. The ovarian ligaments contained minimal amounts of fat and obesity did not influence surgery duration. Convalescence period was short (0.9+/-0.4 days) and owner satisfaction high.

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