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Updated: Dec 25, 2025

Surgical Correction for Pediatric Epiblepharon and Trichiasis
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Pilonidal sinus in pediatric age: primary vs. secondary closure.

M A Barrial1, A Vilanova-Sánchez1, S Gortázar2

  • 1Servicio de Cirugía Pediátrica. Hospital Universitario La Paz. Madrid.

Cirugia Pediatrica : Organo Oficial De La Sociedad Espanola De Cirugia Pediatrica
|April 7, 2020
PubMed
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Primary closure for pilonidal sinus (PS) surgery leads to a 26% dehiscence rate but offers faster healing and fewer dressings. Secondary closure requires more dressings and longer healing times for PS patients.

Area of Science:

  • Surgical outcomes
  • Wound healing
  • Adolescent health

Background:

  • Pilonidal sinus (PS) is a common condition in adolescents.
  • Optimal surgical closure technique remains debated.
  • This study compares primary closure (PC) with secondary closure (SC) for PS.

Purpose of the Study:

  • To compare the outcomes of primary closure (PC) versus secondary closure (SC) after pilonidal sinus excision.
  • To evaluate infection rates, recurrence, and healing times for both closure methods.

Main Methods:

  • A retrospective study of 57 patients undergoing PS surgery between 2013 and 2018.
  • Patients were divided into PC (n=29) and SC (n=28) groups.
  • Analysis included infection at surgery, recurrence, antibiotic use, drainage history, sinus size, dehiscence, dressings, and healing time.
Keywords:
Pilonidal sinusPrimary closure

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Main Results:

  • PC group had a 26% partial wound dehiscence rate.
  • No significant differences were found in infection, recurrence, antibiotic use, drainage history, or sinus size between groups (p>0.05).
  • SC group required significantly more postoperative dressings (8 vs. 4) and had longer healing times (98 vs. 60 days) (p<0.01).

Conclusions:

  • Primary closure for pilonidal sinus surgery results in a 26% rate of partial dehiscence.
  • Despite dehiscence risk, primary closure offers advantages of fewer dressings and shorter healing times compared to secondary closure.