Reduction en masse of Inguinal Hernia in a 2-Month-Old Male Infant

Masato Kojima1,2, Ryo Touge1, Sho Kurihara1

  • 1Department of Pediatric Surgery, Hiroshima University Hospital, Hiroshima, Japan.

Insights

Reduction en masse, a rare inguinal hernia complication in infants, can be life-threatening if misdiagnosed. Gentle reduction and post-procedure monitoring are crucial for timely intervention in pediatric cases.

Area of Science:

  • Pediatric Surgery
  • Gastrointestinal Surgery

Background:

  • Reduction en masse is a rare complication of inguinal hernias where the hernia sac reduces into the preperitoneal space, trapping bowel.
  • This condition is often associated with inguinal hernias and presents without a typical groin bulge, potentially delaying diagnosis.

Observation:

  • A 2-month-old infant presented with a nonreducible left inguinal hernia; manual reduction lessened the bulge.
  • Laparoscopy revealed dilated intestines, ascites, and an ischemic bowel, indicating a complication.
  • Laparotomy confirmed reduction en masse with a strangulated ileum at the hernia neck.

Findings:

  • Surgical resection of 20 cm of strangulated ileum was necessary due to reduction en masse.
  • The infant's condition was initially unstable but improved postoperatively.
  • The inguinal hernia was ultimately repaired 11 months after the initial event.

Implications:

  • Reduction en masse in pediatric patients is rare but carries significant risk, including delayed diagnosis and life-threatening outcomes.
  • Gentle reduction techniques and ultrasound confirmation are vital to prevent this complication.
  • Overnight observation post-reduction is recommended to detect late presentations and ensure timely intervention.