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  • Author or Editor: Jessica N. Forbes x
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To evaluate ovary removal surgery times and intraoperative complication rates between a 5-mm Sonicision cordless ultrasonic dissector (SCUD) and 5-mm vessel sealing device (VSD) for laparoscopic ovariectomy in dogs.


Client-owned, intact female dogs (n = 10) presented for elective laparoscopic ovariectomy.


In each dog, 1 ovarian pedicle was randomly assigned to the SCUD group and 1 to the VSD group. In the SCUD group (n = 10), the ovariectomy was performed using the SCUD device; the ovariectomy in the VSD group (10) was performed using a VSD. The number of applications of each device during ovariectomy, surgery time required for each ovary removal, total surgery duration, ovarian pedicle fat score, and intraoperative complications were recorded.


Both left and right ovaries had median pedicle fat scores of 2 (range, 1 to 3). To complete an ovariectomy, the median number of SCUD applications was 9 (range, 7 to 13) times; the VSD had a median of 10 (range, 5 to 18) times (P = .98). Median surgery times for the removal of 1 ovary with the SCUD and VSD were 96 seconds (range, 45 to 417 seconds) and 110 seconds (range, 42 to 164 seconds), respectively (P = 1). No intraoperative complications were associated with either device. Therefore, the VSD was not required for rescue in the SCUD group, and no conversions to open ovariectomy were necessary.


A standard approach laparoscopic ovariectomy performed with the SCUD was successful in our population of dogs, making the 5-mm SCUD safe for laparoscopic ovariectomy in healthy dogs, which provides a more affordable option for practitioners and clients.

Open access
in American Journal of Veterinary Research