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Intussusception complicated by bowel perforation during hydrostatic reduction.

J A Reijnen1, M Mravunac, C Festen

  • 1Department of General Surgery, University Hospital St. Radboud, Nijmegen, The Netherlands.

Zeitschrift Fur Kinderchirurgie : Organ Der Deutschen, Der Schweizerischen Und Der Osterreichischen Gesellschaft Fur Kinderchirurgie = Surgery in Infancy and Childhood
|August 1, 1990
PubMed
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Bowel perforations during hydrostatic reduction of intussusception often occur in areas of localized infarction. This study in dogs suggests direct pressure from the intussusceptum causes these ischemic lesions, leading to perforation.

Area of Science:

  • Veterinary Medicine
  • Surgical Pathology

Background:

  • Intussusception, a condition where one part of the intestine slides into another, can lead to bowel perforation during hydrostatic reduction.
  • The exact cause of perforation during this procedure, particularly in specific colon locations, requires further investigation.

Observation:

  • A canine model of strangulated intussusception was utilized to examine the intussuscipiens (the outer layer of the intussusception).
  • Histological examination of 10 intussusceptions in 6 dogs revealed ischemic mucosal changes in 6 cases.
  • These ischemic lesions were frequently located where the intussusceptum (the inner part) directly contacted the intussuscipiens.

Findings:

  • Localized ischemic changes in the intestinal mucosa are present in a significant portion of strangulated intussusceptions.

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  • These ischemic areas are associated with direct contact and pressure from the intussusceptum.
  • No evidence of widespread circulatory impairment of the entire intussuscipiens was observed.

    • Implications:

    • The findings suggest that bowel perforation during hydrostatic reduction is likely due to localized ischemia caused by direct pressure.
    • This understanding can inform strategies to minimize perforation risk during intussusception reduction procedures.
    • Further research may explore preventative measures targeting these pressure-induced ischemic zones.