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Updated: Jul 12, 2025

Posterior Approach for Debridement of the Psoas Abscess
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Posterior Approach for Debridement of the Psoas Abscess

Published on: March 2, 2020

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Natural course of perianal abscess in infants: a real-world study

Wanbin Yin1, Yansen Li1, Jingfeng Zhang1

  • 1Department of Anorectal Surgery, Affiliated Hospital of Jining Medical University, 129 Hehua Road, Jining, 272067, China.

Scientific Reports
|October 27, 2023
PubMed

Insights

Perianal abscess (PA) in infants often resolves with conservative treatment. Most infants achieve resolution without surgery, though a small percentage may require surgical intervention.

Area of Science:

  • Pediatric Surgery
  • Gastroenterology

Background:

  • The natural history of perianal abscess (PA) in infants is not well understood.
  • Conservative management is often considered due to parental preference against surgery.

Purpose of the Study:

  • To investigate the long-term outcomes of infants with perianal abscess treated conservatively.
  • To determine the efficacy and complication rates of non-surgical management for infant PA.

Main Methods:

  • Retrospective cohort study of 153 infants with PA treated conservatively for over two months.
  • Data collected from 2014-2020 at a single tertiary center.
  • Median follow-up of 5.3 years.

Main Results:

  • Initially, 77.8% of infants were cured with conservative treatment.
  • Overall, 90.8% achieved resolution without surgery; 7.2% required surgical intervention.
  • Fistula formation occurred in 15.0%, recurrence in 4.6%, and new abscesses in 6.5%.

Conclusions:

  • Perianal abscess in infants may be a self-limiting condition.
  • Conservative management should be the primary treatment approach for most infant PAs.
  • Extended conservative treatment may improve outcomes in select cases, but approximately 10% will need surgery.

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