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Neodymium:Yttrium Aluminum Garnet Surgical Laser Versus Bipolar Electrocoagulation for Laparoscopic Ovariectomy in Dogs

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Objective

To compare use of neodymium:yttrium aluminum garnet (Nd:YAG) surgical laser and bipolar electrocoagulation (BEC) for laparoscopic ovariectomy (OVE) in dogs. Study Design

Prospective clinical trial. Animals

Female dogs (n=72). Methods

Laparoscopic OVE by Nd:YAG laser (600 m optical fiber, contact mode) in 36 dogs was compared with laparoscopic OVE by bipolar electro-coagulating grasping forceps. Dogs were paired (laser, electrocoagulation) matched for breed, age, body weight, obesity, and number of heat cycles. Duration of predetermined surgery times and total surgical time were compared between groups. Occurrence of intra- and postoperative complications and their effect on surgical duration were evaluated. Results

Laser surgery resulted in a higher incidence of intraoperative mesovarial bleeding (12 times; 9 dogs) compared with electrosurgery (4 times; 3 dogs). Use of laser caused a 2 minute delay for transection of the left ovary compared with electrosurgery. Postoperative complication rates and convalescence were similar for both groups. Conclusions

BEC reduced surgical time and intraoperative mesovarial bleeding compared with laser resection. Clinical Relevance

Although the laser was effective for laparoscopic OVE, bipolar electrosurgical laparoscopic OVE remained the method of choice.
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Keywords: Nd:YAG laser; dog; electrocoagulation; laparoscopy; mesovarial hemorrhage; ovariectomy; surgical time

Document Type: Research Article

Affiliations: From the Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine; and the Department of Clinical Physics, University Medical Center, Utrecht, The Netherlands.

Publication date: July 1, 2005

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