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Diagnostic flexible peritoneoscopy: assessment of the contralateral internal inguinal ring during unilateral
T A Gardner1, M Ostad, D T Mininberg
1Department of Urology, The New York Hospital-Cornell Medical Center, New York 10021, USA.
Insights
Flexible peritoneoscopy safely identifies pediatric patients at risk for contralateral inguinal hernias. This quick diagnostic tool avoids unnecessary contralateral exploration in most cases, sparing children from routine surgery.
Area of Science:
- Pediatric Surgery
- Diagnostic Imaging
- Minimally Invasive Procedures
Background:
- Inguinal hernia is the most common pediatric surgical condition, frequently unilateral.
- Current literature lacks clear guidelines on contralateral exploration during unilateral herniorrhaphy.
- No preoperative diagnostic study exists to identify children at risk for contralateral hernias.
Purpose of the Study:
- To evaluate the utility of flexible peritoneoscopy in assessing the contralateral internal inguinal ring in pediatric patients with unilateral inguinal hernias.
- To determine if flexible peritoneoscopy can safely guide surgical decisions regarding contralateral exploration.
Main Methods:
- Twenty-four pediatric patients with unilateral inguinal hernias underwent flexible peritoneoscopy.
- A flexible cystoscope was inserted into the peritoneal cavity via the ipsilateral hernia sac.
- Carbon dioxide pneumoperitoneum was established to visualize the contralateral internal inguinal ring patency.
Main Results:
- An open contralateral internal inguinal ring was identified in 16.7% (4/24) of patients.
- The procedure averaged 4.5 minutes, sparing 20 patients from routine contralateral exploration.
- Follow-up (18-32 months) revealed no contralateral hernias in any patient.
Conclusions:
- Diagnostic flexible peritoneoscopy is a safe, rapid, and simple method for evaluating the contralateral internal inguinal ring.
- This technique aids in decision-making for unilateral pediatric herniorrhaphy, potentially reducing unnecessary contralateral explorations.
- Flexible peritoneoscopy offers a valuable tool to assess contralateral hernia risk in pediatric patients.
Background:
Inguinal hernia is the most common pediatric surgical condition, with 75% of cases presenting unilaterally. No diagnostic study exists to determine preoperatively which children are at risk for subsequent contralateral hernia. The literature is not clear in advising whether surgeons should explore the contralateral side at the time of initial unilateral herniorrhaphy.
Methods:
Twenty-four patients presenting clinically with a unilateral hernia underwent flexible peritoneoscopy by isolation of the ipsilateral hernia sac and placement of a flexible cystoscope into the peritoneal cavity. After establishing a CO2 pneumoperitoneum, the contralateral side is checked for patency of the internal inguinal ring.
Results:
Our study found an open internal inguinal ring in 4 of 24 patients examined (16.7%). The other 20 patients were spared the usual routine contralateral exploration. An open contralateral internal inguinal ring was appreciated in two of nine (22.2%) left herniorrhaphy and 2 of 15 (13.3%) right herniorrhaphy patients. This technique requires an average of 4.5 minutes to perform. With 18-to 32-month follow-up, no hernias have developed on the contralateral side.
Conclusion:
Diagnostic flexible peritoneoscopy is safe, quick, simple, and could be used to evaluate the contralateral internal inguinal ring in unilateral pediatric herniorrhaphy patients.