Risk Factors for Death in Dogs Treated for Esophageal Foreign Body Obstruction: A Retrospective Cohort Study of 222 Cases (1998–2017)

Background Limited data exist describing risk factors for death, and long‐term outcomes in dogs with esophageal foreign body (EFB) obstruction. Hypothesis/Objectives To evaluate short‐ and long‐term outcomes, and analyze risk factors for death in dogs with EFB obstruction. We hypothesized duration o...

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Bibliographic Details
Published in:	Journal of veterinary internal medicine Vol. 31; no. 6; pp. 1686 - 1690
Main Authors:	Burton, A.G., Talbot, C.T., Kent, M.S.
Format:	Journal Article
Language:	English
Published:	United States John Wiley and Sons Inc 01-11-2017
Subjects:	Animals Canine Dog Diseases - epidemiology Dog Diseases - mortality Dog Diseases - surgery Dogs Endoscopy Esophageal Diseases - epidemiology Esophageal Diseases - mortality Esophageal Diseases - veterinary Esophageal stricture Esophagitis Esophagoscopy Esophagoscopy - veterinary Esophagus - diagnostic imaging Esophagus - pathology Female Foreign Bodies - complications Foreign Bodies - mortality Foreign Bodies - surgery Foreign Bodies - veterinary Male Queensland - epidemiology Retrospective Studies Risk Factors SMALL ANIMAL Esophagitis Esophageal stricture Endoscopy Canine Esophagoscopy
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Summary:	Background Limited data exist describing risk factors for death, and long‐term outcomes in dogs with esophageal foreign body (EFB) obstruction. Hypothesis/Objectives To evaluate short‐ and long‐term outcomes, and analyze risk factors for death in dogs with EFB obstruction. We hypothesized duration of entrapment and treatment type would affect outcome. Animals A total of 222 dogs were treated for EFB obstruction at an emergency and referral hospital between March 1998 and March 2017. Methods Medical records for dogs with EFB were retrospectively evaluated. Results Foreign material most frequently was osseous (180/222 [81%]), with distal esophagus the most common location (110/222 [49.5%]). Duration of clinical signs was not associated with risk of death (OR = 1.08, 95% CI 0.99–1.17; P = 0.2). Entrapment was treated by endoscopy (204/222 [91.8%]), surgery after endoscopic attempt (13/222 [5.9%]), and repeat endoscopy after surgery was recommended but declined (5/222 [2.3%]). In‐hospital case fatality rate was 11/222 (5%). Risk of death was significantly higher with surgery (OR = 20.1, 95% CI 3.59–112.44; P = 0.001), and 5/5 (100%) of dogs died if undergoing endoscopy after surgery was recommended but declined. Increasing numbers of postprocedural complications (OR = 3.44, CI 2.01–5.91; P < 0.001), esophageal perforation (OR = 65.47, CI 4.27–1004.15; P = 0.003), and postprocedure esophageal hemorrhage (OR = 11.81, CI 1.19–116.77; P = 0.04) increased in‐hospital risk of death. Esophageal strictures were reported in 4/189 (2.1%) of survivors available for follow‐up. Conclusions and Clinical Importance Death is uncommon in canine EFB; however, treatment type affects outcome, and these data should be used to guide decision‐making in dogs with EFB.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 Presented in abstract form at the Australian and New Zealand College of Veterinary Scientists conference, Gold Coast, Australia, 2017. This study was completed at Queensland Veterinary Specialists and Pet Emergency, QLD, Australia. This study was not supported by a grant or financial assistance.
ISSN:	0891-6640 1939-1676
DOI:	10.1111/jvim.14849