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Computed tomographic pneumocolonography in normal dogs.

Michele A Steffey1, Leticia Daniel, Sandra L Taylor

  • 1Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA, 95615.

Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association
|December 30, 2014
PubMed
Summary
This summary is machine-generated.

Computed tomographic pneumocolonography (CTP) in dogs shows potential for diagnosing large bowel disease. Optimal insufflation pressure was 20 mmHg, with increased insufflation time improving ascending colon imaging.

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computed tomographydoglarge bowelpneumocolonography

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Area of Science:

  • Veterinary Radiology
  • Diagnostic Imaging
  • Canine Medicine

Background:

  • Computed tomographic pneumocolonography (CTP) is an emerging imaging technique.
  • Standardized protocols are needed for CTP in canine large bowel disease diagnosis.
  • Technical variables like pressure and insufflation time require optimization.

Purpose of the Study:

  • To describe the effects of technical components on computed tomographic pneumocolonography (CTP) in dogs.
  • To develop a standardized CTP methodology for canine clinical patients.
  • To evaluate CTP as a diagnostic tool for canine large bowel disease.

Main Methods:

  • Prospective study involving eight purpose-bred dogs randomized into pressure/body position and insufflation time groups.
  • Assessment of bowel preparation, fecal material, and bowel folding in large bowel segments.
  • Measurement of bowel wall thickness, lumen diameter, and luminal area.
  • Statistical analysis using False Discovery Rates (FDR) for multiple testing.

Main Results:

  • Increasing pressure did not significantly alter bowel dimensions after FDR adjustment.
  • Ascending colon diameter and area significantly increased with longer insufflation times (FDR < 0.05).
  • Optimal insufflation pressure for pneumocolon was determined to be 20 mmHg.

Conclusions:

  • CTP is a feasible technique for consistent large bowel distension in dogs.
  • Further research is warranted to apply CTP in clinical canine patients with large bowel disease.
  • Standardized CTP protocols can enhance diagnostic capabilities for canine gastrointestinal conditions.