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Intestinal obstruction after appendectomy

C Riber1, K Søe, T Jørgensen

  • 1Dept. of Surgical Gastroenterology, Herlev Hospital, University of Copenhagen, Denmark.

Scandinavian Journal of Gastroenterology
|December 17, 1997
PubMed
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Intestinal obstruction after open appendectomy is rare, with a 14-year cumulative incidence of 1.51%. Female sex and removal of a normal appendix increase the risk.

Area of Science:

  • Gastroenterology
  • Surgical Outcomes
  • Epidemiology

Background:

  • Intestinal obstruction is a known complication following abdominal surgery.
  • The precise incidence of intestinal obstruction after appendectomy requires further investigation.

Purpose of the Study:

  • To determine the cumulative incidence of intestinal obstruction after open appendectomy.
  • To identify risk factors associated with developing intestinal obstruction post-appendectomy.

Main Methods:

  • A cohort of 1951 patients undergoing open appendectomy between 1978 and 1985 was established.
  • Patients were followed for a median of 3563 days, with intestinal obstruction identified via the Danish National Inpatient Register.
  • Exclusion criteria included appendectomy per occasionem, prior laparotomy, and simultaneous major surgery.

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Main Results:

  • Twenty-one cases of intestinal obstruction were recorded.
  • The cumulative incidence of intestinal obstruction was 0.33% at 30 days, 0.79% at 1 year, and 1.51% at 14 years.
  • Female sex (RR=3.91) and removal of a normal appendix (RR=4.0) were significantly associated with an increased risk of intestinal obstruction.

Conclusions:

  • Intestinal obstruction following open appendectomy is a rare event.
  • Female patients and those undergoing removal of a normal appendix face a higher risk of developing this complication.