Abstract
BackgroundGastric wall edema has not been reported as a complication of acute pancreatitis in dogs.ObjectiveTo describe the ultrasonographic features of gastric wall thickening in dogs with acute pancreatitis.AnimalsFourteen dogs with ultrasonographic evidence and clinical diagnosis of acute pancreatitis, with ultrasonographic evidence of increased gastric wall thickness (>5 mm).MethodsA retrospective search in the medical records from 2014 to 2016 was performed to identify dogs that had ultrasonographic evidence of acute pancreatitis, that had increased thickness of the gastric wall and that were diagnosed with acute pancreatitis clinically. The gastric wall changes such as thickness, layering appearance, echogenicity, distribution of lesions, and perigastric changes were recorded. Serial ultrasonographic examination and histopathological findings were recorded if available.ResultsMean gastric wall thickness was 9.9 ± 4.0 mm (SD). A complete loss of wall layering was observed in 2 dogs. Thickening of the submucosal layer was observed in 12 dogs, and 5 of them had concurrent muscularis layer thickening. The echogenicity of thickened submucosal layer was intermediate hyperechoic. Lacy appearances were present within the thickened submucosal layer in 7 dogs and in the muscularis layer of 1 dog. Thickening was focal in 12 dogs and adjacent to the diseased pancreas. Subsequent resolution of gastric wall thickening was observed in 3 dogs (range 3‐28 days) via follow‐up ultrasound. One dog underwent necropsy, and gastric wall edema was confirmed histopathologically.Conclusions and Clinical ImportanceFindings indicated that gastric wall thickening presumably because of edema could be a complication of acute pancreatitis.
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