Prospective evaluation of surgical management of sliding hiatal hernia and gastroesophageal reflux in dogs

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Abstract

Objective: To evaluate response to surgical management of sliding hiatal hernia (SHH) and gastroesophageal reflux (GER) in dogs using standardized clinical scoring, videofluoroscopic swallow studies, and impedance planimetry. Study design: Prospective clinical trial. Animals: A total of 17 client-owned dogs. Methods: Dogs were included if they had clinical signs and videofluoroscopic evidence of SHH and/or GER. Owners were asked to complete a standardized canine dysphagia assessment tool (CDAT) preoperatively and postoperatively. Conscious videofluoroscopic swallowing studies and impedance planimetry (IP) were used to evaluate esophageal function and lower esophageal sphincter location and geometry preoperatively and in a subsection of dogs postoperatively. Results: Preoperatively, 13/17 dogs included in the study had a history of regurgitation, and 4/17 had radiographic evidence of aspiration pneumonia. Postprandial regurgitation improved in 8/10 dogs with preoperative regurgitation, and for which completed preoperative and postoperative CDAT questionnaires were available (P <.01). The hiatal hernia severity score improved postoperatively (P =.046) in dogs with preoperative and postoperative videofluoroscopic swallowing studies (n = 12). However, hernia frequency score (P =.2) and IP parameters did not differ significantly between time points. Conclusion: Clinical signs of SHH generally improved with surgery but did not consistently resolve. Videofluoroscopic studies provide evidence that GER and SHH can persist postoperatively in some patients. Based on IP findings, clinical improvement may be attributed to a mechanism independent of lower esophageal sphincter attenuation.

Original languageEnglish (US)
Pages (from-to)1098-1109
Number of pages12
JournalVeterinary Surgery
Volume46
Issue number8
DOIs
StatePublished - Nov 1 2017

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hiatal hernia
gastroesophageal reflux
Hiatal Hernia
Gastroesophageal Reflux
Dogs
dogs
Electric Impedance
impedance
Deglutition
Lower Esophageal Sphincter
esophageal sphincter
Deglutition Disorders
Canidae
Aspiration Pneumonia
Hernia
hernia
prospective studies
Clinical Trials
pneumonia
Prospective Studies

ASJC Scopus subject areas

  • veterinary(all)

Cite this

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title = "Prospective evaluation of surgical management of sliding hiatal hernia and gastroesophageal reflux in dogs",
abstract = "Objective: To evaluate response to surgical management of sliding hiatal hernia (SHH) and gastroesophageal reflux (GER) in dogs using standardized clinical scoring, videofluoroscopic swallow studies, and impedance planimetry. Study design: Prospective clinical trial. Animals: A total of 17 client-owned dogs. Methods: Dogs were included if they had clinical signs and videofluoroscopic evidence of SHH and/or GER. Owners were asked to complete a standardized canine dysphagia assessment tool (CDAT) preoperatively and postoperatively. Conscious videofluoroscopic swallowing studies and impedance planimetry (IP) were used to evaluate esophageal function and lower esophageal sphincter location and geometry preoperatively and in a subsection of dogs postoperatively. Results: Preoperatively, 13/17 dogs included in the study had a history of regurgitation, and 4/17 had radiographic evidence of aspiration pneumonia. Postprandial regurgitation improved in 8/10 dogs with preoperative regurgitation, and for which completed preoperative and postoperative CDAT questionnaires were available (P <.01). The hiatal hernia severity score improved postoperatively (P =.046) in dogs with preoperative and postoperative videofluoroscopic swallowing studies (n = 12). However, hernia frequency score (P =.2) and IP parameters did not differ significantly between time points. Conclusion: Clinical signs of SHH generally improved with surgery but did not consistently resolve. Videofluoroscopic studies provide evidence that GER and SHH can persist postoperatively in some patients. Based on IP findings, clinical improvement may be attributed to a mechanism independent of lower esophageal sphincter attenuation.",
author = "Philipp Mayhew and Marks, {Stanley L} and Pollard, {Rachel E} and Culp, {William T} and Kass, {Philip H}",
year = "2017",
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T1 - Prospective evaluation of surgical management of sliding hiatal hernia and gastroesophageal reflux in dogs

AU - Mayhew, Philipp

AU - Marks, Stanley L

AU - Pollard, Rachel E

AU - Culp, William T

AU - Kass, Philip H

PY - 2017/11/1

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N2 - Objective: To evaluate response to surgical management of sliding hiatal hernia (SHH) and gastroesophageal reflux (GER) in dogs using standardized clinical scoring, videofluoroscopic swallow studies, and impedance planimetry. Study design: Prospective clinical trial. Animals: A total of 17 client-owned dogs. Methods: Dogs were included if they had clinical signs and videofluoroscopic evidence of SHH and/or GER. Owners were asked to complete a standardized canine dysphagia assessment tool (CDAT) preoperatively and postoperatively. Conscious videofluoroscopic swallowing studies and impedance planimetry (IP) were used to evaluate esophageal function and lower esophageal sphincter location and geometry preoperatively and in a subsection of dogs postoperatively. Results: Preoperatively, 13/17 dogs included in the study had a history of regurgitation, and 4/17 had radiographic evidence of aspiration pneumonia. Postprandial regurgitation improved in 8/10 dogs with preoperative regurgitation, and for which completed preoperative and postoperative CDAT questionnaires were available (P <.01). The hiatal hernia severity score improved postoperatively (P =.046) in dogs with preoperative and postoperative videofluoroscopic swallowing studies (n = 12). However, hernia frequency score (P =.2) and IP parameters did not differ significantly between time points. Conclusion: Clinical signs of SHH generally improved with surgery but did not consistently resolve. Videofluoroscopic studies provide evidence that GER and SHH can persist postoperatively in some patients. Based on IP findings, clinical improvement may be attributed to a mechanism independent of lower esophageal sphincter attenuation.

AB - Objective: To evaluate response to surgical management of sliding hiatal hernia (SHH) and gastroesophageal reflux (GER) in dogs using standardized clinical scoring, videofluoroscopic swallow studies, and impedance planimetry. Study design: Prospective clinical trial. Animals: A total of 17 client-owned dogs. Methods: Dogs were included if they had clinical signs and videofluoroscopic evidence of SHH and/or GER. Owners were asked to complete a standardized canine dysphagia assessment tool (CDAT) preoperatively and postoperatively. Conscious videofluoroscopic swallowing studies and impedance planimetry (IP) were used to evaluate esophageal function and lower esophageal sphincter location and geometry preoperatively and in a subsection of dogs postoperatively. Results: Preoperatively, 13/17 dogs included in the study had a history of regurgitation, and 4/17 had radiographic evidence of aspiration pneumonia. Postprandial regurgitation improved in 8/10 dogs with preoperative regurgitation, and for which completed preoperative and postoperative CDAT questionnaires were available (P <.01). The hiatal hernia severity score improved postoperatively (P =.046) in dogs with preoperative and postoperative videofluoroscopic swallowing studies (n = 12). However, hernia frequency score (P =.2) and IP parameters did not differ significantly between time points. Conclusion: Clinical signs of SHH generally improved with surgery but did not consistently resolve. Videofluoroscopic studies provide evidence that GER and SHH can persist postoperatively in some patients. Based on IP findings, clinical improvement may be attributed to a mechanism independent of lower esophageal sphincter attenuation.

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