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Treatment for pancreatic abscesses via omentalization with abdominal closure versus open peritoneal drainage in dogs: 15 cases (1994–2004)

Matthew D. Johnson DVM1 and F. A. Mann DVM, MS, DACVS, DACVECC2
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  • 1 Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, University of Missouri-Columbia, Columbia, MO 65211.
  • | 2 Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, University of Missouri-Columbia, Columbia, MO 65211.

Abstract

Objective—To compare survival rate, duration of hospitalization, and complications in dogs with pancreatic abscesses treated with omentalization with abdominal closure versus open peritoneal drainage and evaluate a pancreatitis severity score for potential prognostic value.

Design—Retrospective case series.

Animals—15 dogs with pancreatic abscesses.

Procedure—Data regarding species, breed, age, initial clinical signs, CBC, serum biochemical abnormalities, pancreatitis severity score, anatomic location of the abscess, intraoperative bacteriologic culture results, treatment modality, postoperative complications, outcome (dismissed alive from the hospital, died in the postoperative period, or euthanized at surgery), and duration of hospitalization were evaluated.

Results—6 dogs survived, 6 dogs died or were euthanized after surgery, and 3 were euthanized during surgery. Five of 8 dogs treated with omentalization and abdominal closure survived, and 1 of 4 dogs treated with open peritoneal drainage survived. In several dogs, treatment required additional surgical procedures, which did not appear to affect outcome. Postoperative complications were similar among survivors and nonsurvivors. Mean duration of hospitalization for dogs treated with omentalization and abdominal closure was less than that of dogs treated with open peritoneal drainage. Neither pancreatitis severity score nor any individual components of the score were associated with outcome.

Conclusions and Clinical Relevance—Omentalization is a viable treatment option for pancreatic abscess in dogs. Furthermore, shorter hospitalization and better survival outcomes may make omentalization preferred over open peritoneal drainage.

Abstract

Objective—To compare survival rate, duration of hospitalization, and complications in dogs with pancreatic abscesses treated with omentalization with abdominal closure versus open peritoneal drainage and evaluate a pancreatitis severity score for potential prognostic value.

Design—Retrospective case series.

Animals—15 dogs with pancreatic abscesses.

Procedure—Data regarding species, breed, age, initial clinical signs, CBC, serum biochemical abnormalities, pancreatitis severity score, anatomic location of the abscess, intraoperative bacteriologic culture results, treatment modality, postoperative complications, outcome (dismissed alive from the hospital, died in the postoperative period, or euthanized at surgery), and duration of hospitalization were evaluated.

Results—6 dogs survived, 6 dogs died or were euthanized after surgery, and 3 were euthanized during surgery. Five of 8 dogs treated with omentalization and abdominal closure survived, and 1 of 4 dogs treated with open peritoneal drainage survived. In several dogs, treatment required additional surgical procedures, which did not appear to affect outcome. Postoperative complications were similar among survivors and nonsurvivors. Mean duration of hospitalization for dogs treated with omentalization and abdominal closure was less than that of dogs treated with open peritoneal drainage. Neither pancreatitis severity score nor any individual components of the score were associated with outcome.

Conclusions and Clinical Relevance—Omentalization is a viable treatment option for pancreatic abscess in dogs. Furthermore, shorter hospitalization and better survival outcomes may make omentalization preferred over open peritoneal drainage.

Contributor Notes

Dr. Johnson.

Dr. Johnson's present address is Department of Small Animal Clinical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK S7N 5B4, Canada.

Presented as an abstract at the American College of Veterinary Surgeons Symposium, San Diego, October 2005.

The authors thank Dr. Colette Wagner-Mann for assistance with statistical analysis.