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Timing of automatic contralateral groin exploration in male infants with unilateral hernias
Insights
Lowering the age for automatic contralateral groin exploration in male infants to 6 months is safe. This approach for inguinal hernias does not increase positive findings or future operations.
Area of Science:
- Pediatric Surgery
- Neonatal Care
- Surgical Outcomes
Background:
- Unilateral inguinal hernias are common in male infants.
- Contralateral groin exploration is debated in pediatric inguinal hernia repair.
- Current practice varies regarding the age cutoff for routine contralateral exploration.
Purpose of the Study:
- To evaluate the efficacy and safety of using 6 months as the age cutoff for automatic contralateral groin exploration in male infants with symptomatic unilateral inguinal hernias.
- To assess the rate of positive findings and subsequent contralateral operations when employing a 6-month exploration cutoff.
Main Methods:
- A retrospective review of 300 consecutive male infants undergoing inguinal herniorrhaphy.
- Infants under 6 months had automatic contralateral exploration; those aged 6-24 months had symptomatic side repair only.
- Operative findings and follow-up data (1-5 years) were analyzed.
Main Results:
- The negative exploration rate in infants under 6 months was 38%.
- The rate of return for contralateral exploration in children aged 6 months to 2 years was 1%.
- Lowering the age cutoff to 6 months did not significantly increase positive findings or the need for future contralateral operations.
Conclusions:
- Using 6 months as the age cutoff for automatic contralateral groin exploration in male infants with inguinal hernias is a safe and effective strategy.
- This approach avoids unnecessary contralateral exploration in a significant proportion of infants while maintaining low rates of missed contralateral hernias.
Abstract:
The effect of using 6 months as the cutoff age for automatic exploration of the asymptomatic contralateral side in male infants undergoing inguinal herniorrhaphy was studied by evaluating the operative findings and follow-up of 300 consecutive male infants admitted for symptomatic unilateral groin hernias. Males under the age of 6 months were automatically explored on the contralateral asymptomatic side. Those between 6 and 24 months underwent repair of only the symptomatic presenting side. The negative exploration rate in the 121 infants less than 6 months was 38 per cent. The return rate for contralateral exploration in children between 6 months and 2 years was 1 per cent. Follow-up ranged from 1 to 5 years. This data suggests that lowering the age for automatic exploration of the male contralateral groin to 6 months does not increase the rate of positive findings on the asymptomatic side. Nor does it appreciably increase the rate of later required contralateral operations.