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Left- and Right-Sided Laparoscopic-Assisted Nephrectomy in Standing Horses with Unilateral Renal Disease

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To describe a technique for, and outcome after, left- or right-sided laparoscopic-assisted nephrectomy in standing horses with unilateral renal disease. Study Design

Clinical report. Animals

Horses (n=3) with unilateral renal disease. Methods

Horses were sedated with detomidine (0.01 mg/kg intravenously [IV]) and levomethadone (0.05 mg/kg IV). Paravertebral anesthesia and infiltration-anesthesia with 2% lidocaine were used to create a surgical field incorporating the 17th intercostal space and paralumbar fossa. Two separate, ipsilateral portals and a mini-laparotomy were used. The perirenal peritoneum was horizontally incised (10–15 cm) using endoscissors and the incision digitally enlarged for manual dissection of the perirenal fat and kidney mobilization. The renal vessels and ureter were individually dissected, ligated, and transected under laparoscopic observation and the kidney removed. The perirenal and laparotomy peritoneal defects were not closed; and the laparotomy was closed in a multilayered fashion. The transverse abdominal muscle was apposed in a continuous pattern using 1 polyglactin 910, the subcutaneous tissue (simple continuous pattern) and skin (simple interrupted pattern) with 2–0 polyglactin 910. Results

Left (2) and right (1) sided laparoscopic-assisted nephrectomy (1 nephrolithiasis, 2 hydronephrosis) was performed successfully. Sedation and local anesthesia was adequate for intraoperative immobilization and analgesia. No intraoperative complications occurred. Incisional seroma formation and fever occurred on days 3 and 4 in 1 horse and resolved with medical management. Conclusion

Laparoscopic-assisted nephrectomy can be used for removal of the left or right kidney in standing horses with unilateral kidney disease. Clinical Relevance

To avoid risks associated with general anesthesia and to reduce surgical trauma, laparoscopic-assisted nephrectomy can be performed in the standing sedated horse using a 2 portal technique and a mini-laparotomy.
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Document Type: Research Article

Affiliations: Veterinary Clinic Starnberg and The Department of Equine Surgery, School of Veterinary Medicine, Justus-Liebig University, Giessen, Germany.

Publication date: August 1, 2007

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