Incidental appendectomy during laparotomy for idiopathic intussusception in children: a dual-center retrospective

Tao Liu1, Xian-Feng Wei2, Yeerfan Aierken1

  • 1Department of General Surgery, School of Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China.

BMC Pediatrics
|December 30, 2025
PubMed

Insights

Incidental appendectomy during pediatric idiopathic intussusception surgery does not reduce recurrence or complications. This procedure, however, increases operative time and costs, suggesting routine use should be reconsidered.

Area of Science:

  • Pediatric Surgery
  • Gastroenterology

Background:

  • The necessity of incidental appendectomy (IA) in pediatric idiopathic intussusception surgery is debated.
  • This study assesses the benefits and risks of performing IA during open reduction for intussusception.

Purpose of the Study:

  • To evaluate the impact of incidental appendectomy on perioperative complications and recurrence rates in children with idiopathic intussusception.
  • To analyze the effect of IA on operative time, recovery, length of stay, and hospitalization costs.

Main Methods:

  • A retrospective cohort study involving 177 children undergoing open reduction for idiopathic intussusception across two centers (2014-2021).
  • Patients were categorized based on whether incidental appendectomy was performed.
  • Outcomes included perioperative complications, recurrent intussusception, operative time, time to oral intake, length of stay, and cost, analyzed using univariable and multivariable models.

Main Results:

  • Incidental appendectomy (IA) was performed in 114 patients; 63 did not undergo IA. Baseline characteristics were similar, though non-IA patients had more air enema attempts and a higher rate of ileocolic intussusception.
  • No significant differences were observed in perioperative complications (11.4% vs. 14.3%) or recurrent intussusception (6.1% vs. 11.1%) between the IA and non-IA groups.
  • IA was associated with significantly longer operative times (P=0.016) and increased total hospitalization costs (P<0.001), with no significant impact on postoperative oral intake or length of stay.

Conclusions:

  • Incidental appendectomy in pediatric idiopathic intussusception does not improve outcomes regarding recurrence or perioperative complications.
  • The procedure leads to extended surgical duration and higher healthcare costs, with most removed appendices showing minimal inflammation.
  • Routine incidental appendectomy in this context warrants reconsideration, and further prospective studies are recommended to guide surgical practice.
Abstract

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