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Epidemiologic characteristics of congenital inguinal hernia
Insights
Congenital inguinal hernias were common in infants, especially males born in winter or as twins. These babies often had lower birth weights and shorter gestations.
Area of Science:
- Pediatric Surgery
- Neonatal Health
- Epidemiology
Background:
- Congenital inguinal hernia (CIH) is a common surgical condition in infants.
- Understanding its prevalence and associated risk factors is crucial for early intervention.
Purpose of the Study:
- To determine the point prevalence of isolated congenital inguinal hernia in liveborn children up to age 3 in Budapest.
- To identify demographic and perinatal factors associated with CIH.
Main Methods:
- Retrospective analysis of 957 children operated for CIH between 1962-1966 in Budapest.
- Data collected on patient demographics, hernia laterality, birth season, birth weight, gestational age, and plurality.
Main Results:
- Point prevalence of CIH was 11.04 per 1000 livebirths.
- Higher incidence observed in male infants (sex ratio 0.8892), with 57% occurring on the right side.
- Increased occurrence linked to colder birth months and twin births; affected infants had lower birth weights and shorter gestational ages.
Conclusions:
- CIH incidence is influenced by season and plurality, suggesting environmental or developmental factors.
- Lower birth weight and gestational age are associated with CIH.
- The study did not find evidence for the role of teratogens in CIH occurrence.
Abstract:
957 of all the liveborn children in Budapest from 1962 to 1966 were operated for isolated congenital inguinal hernia until the age of 3 years, giving a point prevalence of 11.04 per 1000 livebirths. The sex ratio was 0.8892. 57% hernias occurred on the right, 26% on the left, and 17% on both sides. The occurrence of congenital inguinal hernia was significantly higher in infants born in colder winter months and in twinbirths. Babies with hernias had lower birthweights and shorter gestational ages. The role of potential teratogens could not be proved.