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Comparison of standard single-bite with multiple-bite biopsy forceps for collection of gastrointestinal biopsies in dogs: a prospective study
  1. Elsa G Edery1,
  2. Tim Scase2,
  3. Caroline Kisielewicz1 and
  4. Marc P Dhumeaux1
  1. 1Pride Veterinary Centre, Derby, UK
  2. 2Bridge Pathology Ltd, Bristol, UK
  1. E-mail for correspondence; egedery{at}


Various types of endoscopic biopsy forceps have been investigated in dogs. The Multibite (MB) are multiple-bite forceps that collect up to four tissue specimens in a single pass through the endoscope, reducing procedure time. The authors prospectively investigated its clinical utility by comparing procedure times and diagnostic quality of samples obtained with the MB to that of biopsies performed with a single-bite forceps (SB), in 21 dogs with gastrointestinal disorders. When comparing the depth, crush artefacts and diagnostic adequacy of the gastric and duodenal biopsies, there was no significant difference between the MB and SB forceps. The procedure time was significantly longer with the MB. There was no learning curve effect, and there were no reported adverse events. This study failed to demonstrate any significant clinical advantage associated with the use of the Multibite forceps over that of conventional disposable SB forceps.

  • endoscopy
  • forceps
  • multibite
  • dogs
  • clinical utility
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  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Ethics approval This prospective, randomised and partially blinded study was approved by the University of Nottingham ethical committee.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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