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Related Experiment Videos

Intraperitoneal circulation and drainage in the dog.

G Hosgood1, S K Salisbury, H D Cantwell

  • 1Department of Veterinary Clinical Sciences, Purdue University, West Lafayette, Indiana.

Veterinary Surgery : VS
|July 1, 1989
PubMed
Summary

This study tracked oil-based contrast medium in dogs

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Area of Science:

  • Veterinary Medicine
  • Surgical Techniques
  • Diagnostic Imaging

Background:

  • Peritoneal lavage is crucial for managing abdominal infections and fluid removal.
  • Understanding contrast medium behavior is key to optimizing peritoneal drainage techniques.
  • Previous studies have not fully detailed the dispersion and drainage kinetics of oil-based contrast media in the peritoneal cavity.

Purpose of the Study:

  • To investigate the dispersion and drainage patterns of a low-viscosity, oil-based contrast medium within the peritoneal cavity of normal dogs.
  • To compare the efficacy of open peritoneal drainage versus sump-Penrose drainage in removing the contrast medium.
  • To evaluate the gross and histologic effects of these drainage methods on the peritoneal cavity and surrounding tissues.

Main Methods:

  • 12 normal dogs underwent intraperitoneal injection of an oil-based contrast medium.
  • Injections were administered either cranially or caudally.
  • Drainage was achieved using either an open peritoneal method or a sump-Penrose drain.
  • Radiographs were taken over 96 hours, and necropsy was performed to assess tissue reactions.

Main Results:

  • Contrast medium dispersed within 15-30 minutes after cranial injection and 1-2 hours after caudal injection.
  • Open peritoneal drainage removed most contrast medium within 6 hours; sump-Penrose drainage took 24-48 hours.
  • Necropsy revealed omental encasement of sump-Penrose drains and partial occlusion of open incisions.
  • Histologic examination showed acute inflammatory reactions at drain sites and wound edges.

Conclusions:

  • Open peritoneal drainage facilitates faster contrast medium removal compared to sump-Penrose drains.
  • Both drainage methods can lead to omental adhesion and inflammatory responses.
  • The choice of drainage method may influence the rate of fluid clearance and the degree of local tissue reaction.

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