Laparoscopic portosystemic shunt attenuation in 20 dogs (2018-2021)

All dogs had a good clinical outcome

Objective: To describe the technique, complications, and outcome of laparoscopic portosystemic shunt attenuation (LPSSA) in dogs.

Study design: Retrospective study.

Animals: Twenty client-owned dogs.

Methods: Medical records were searched for dogs with a single congenital extrahepatic portosystemic shunt (CEPSS) that was treated with LPSSA. Signalment, clinical signs, CEPSS location, diagnostic imaging, laparoscopic approach, operative technique, complications, and clinical outcome were reviewed.

Results: Fourteen dogs with CEPSS located in the epiploic foramen had a right (13/14) or left (1/14) paramedian approach. In 6 dogs a CEPSS was not located in the epiploic foramen, and a left paramedian approach was used. A 3 or 4-port technique was used in 7 and 13 dogs, respectively. A thin film band was used for CEPSS attenuation in all dogs. The median operating time for LPSSA was 62 min (range 27-98 min). Intraoperative complications requiring conversion to an open technique occurred in 5 dogs. Mild perioperative self-limiting portal hypertension occurred in 3 dogs, while severe portal hypertension with surgical revision occurred in 1 case. The complications were resolved, and all dogs had a good outcome.

Conclusion: Laparoscopic portosystemic shunt attenuation can be performed in dogs, in particular for a CEPSS located in the epiploic foramen using a right paramedian approach. For CEPSS not located in the epiploic foramen, a left paramedian approach is recommended. Conversion to open celiotomy was required in around a third of cases.

Clinical significance: Laparoscopic attenuation of CEPSSs can be performed in dogs and has a good clinical outcome, particularly for CEPSS located in the epiploic foramen.

“Laparoscopic portosystemic shunt attenuation in 20 dogs (2018-2021)” Edoardo Poggi, et al. Vet Surg. 2022 Feb 22. doi: 10.1111/vsu.13785.

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Laparoscopic portosystemic shunt attenuation in 20 dogs (2018-2021)

All dogs had a good clinical outcome

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