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Diagnostic pneumoperitoneum for the detection of the clinically occult contralateral hernia in children
C B Harrison1, G W Kaplan, H C Scherz
1Children's Hospital and Health Center, San Diego, California.
Insights
Intraoperative pneumoperitoneum safely and effectively detects occult contralateral inguinal hernias in children undergoing unilateral hernia repair. This method proved highly accurate, minimizing unnecessary contralateral explorations.
Area of Science:
- Pediatric Surgery
- Surgical Diagnostics
Background:
- Contralateral occult inguinal hernias in children present a diagnostic challenge.
- Management strategies, including herniography and exploration, remain controversial.
Purpose of the Study:
- To evaluate the efficacy and safety of intraoperative pneumoperitoneum for detecting occult contralateral inguinal hernias in pediatric patients.
Main Methods:
- Retrospective analysis of 64 pediatric patients (3 months to 9 years) undergoing unilateral hernia repair.
- Intraoperative pneumoperitoneum was used to assess the contralateral groin.
Main Results:
- Pneumoperitoneum was negative for contralateral hernia in 92% (59/64) of patients.
- All 5 positive cases (indirect inguinal hernias) occurred in children under 3 years old.
- Follow-up revealed only one false negative (1.8%) over 5 years.
Conclusions:
- Intraoperative pneumoperitoneum is a safe and effective diagnostic tool for occult contralateral inguinal hernias in children.
- It accurately identifies hernias, reducing the need for routine contralateral exploration.
Abstract:
The detection and management of occult contralateral hernia in children who present with a clinically evident unilateral hernia have evoked controversy. Routine use of herniography, intraoperative probing of the contralateral inguinal area and routine or selective exploration of the contralateral groin all have their advocates and detractors. During the last 5 years we have used intraoperative pneumoperitoneum and we report our experience in 64 patients 3 months to 9 years old. A retrospective analysis of the data revealed that pneumoperitoneum was negative in demonstrating a contralateral inguinal hernia in 59 of 64 patients (92%). Contralateral exploration was not performed in patients in whom pneumoperitoneum was negative. All 5 patients who tested positive had an indirect inguinal hernia upon contralateral exploration and all 5 were less than 3 years old. Patients who had a negative pneumoperitoneum were followed for up to 5 years and only 1 (1.8%) false negative examination was discovered. Pneumoperitoneum is a safe, effective means to evaluate the contralateral groin for occult hernia at the time of unilateral hernia repair in children.