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Early repair of inguinal hernia in premature babies
S Uemura1, A A Woodward, R Amerena
1Department of Paediatric Surgery, Mercy Private Hospital, 141 Grey Street, East Melbourne, 3002, Australia.
Insights
Early surgical repair of inguinal hernias in premature infants is recommended. Prompt treatment can reduce operative difficulties and prevent serious complications like incarceration and testicular damage.
Area of Science:
- Pediatric Surgery
- Neonatal Care
- Hernia Repair
Background:
- Inguinal hernia (IH) is common in premature infants.
- The optimal timing for surgical correction remains debated.
Purpose of the Study:
- To evaluate the impact of surgical timing on outcomes in premature infants with IH.
- To assess risks associated with delayed hernia repair.
Main Methods:
- Retrospective study of 40 premature infants with IH.
- Comparison of outcomes between early (<2 weeks) and late (>2 weeks) surgical repair groups.
- Analysis of complications and operative time based on birth weight and surgical timing.
Main Results:
- Delayed repair (>2 weeks) was associated with higher rates of incarceration and strangulation, including testicular necrosis.
- Early repair (<2 weeks) in boys with bilateral IH significantly reduced operative time.
- Infants with lower birth weight (<1000g) experienced longer waiting periods for surgery.
Conclusions:
- Early surgical intervention for inguinal hernias in premature infants is advisable.
- Prompt repair minimizes operative challenges and prevents gonadal complications.
- Consideration of early repair is crucial for improving outcomes in this vulnerable population.
Abstract:
Inguinal hernia (IH) is relatively common in premature newborn infants, and the timing of surgical correction is controversial. We studied 40 premature infants who developed an IH and who were initially treated in a neonatal intensive care unit. Birth weight (BW) ranged from 492 to 2,401 g; 21 infants had a BW less than 1,000 g. The weight of the infants at operation ranged from 1,000 to 4,400 g. Twenty-one patients underwent herniotomy within 2 weeks after the diagnosis (short waiting group), in which 1 case of incarceration occurred; 19 waited longer than 2 weeks between diagnosis and surgery (long waiting group). Two cases of strangulation occurred in this latter group, and in 1 of those testicular necrosis occurred. Operation time was analysed in boys with bilateral herniotomy (n = 25): the short waiting group (n = 12) showed a significantly reduced operation time compared to the long waiting group (n = 13). Patients weighing less than 1,000 g at birth (n = 21) had a longer average waiting period for surgery. In the group of male patients with bilateral herniotomy, average operation time was longer in the group weighing less than 1,000 g at birth (n = 13) than in the group over 1,000 g (n = 12). Body weight at surgery did not affect operation time. It is concluded that early hernia repair should be considered in premature infants to avoid operative difficulties and gonadal ischaemia caused by incarceration.