Optimal timing for inguinal hernia repair in premature infants: a systematic review and meta-analysis
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In brief
In brief
Systematic review of 1761 premature infants finds that early inguinal hernia repair before NICU discharge increases recurrence and respiratory complications compared to delayed repair, with no difference in incarceration or surgical complication rates. Evidence suggests delayed repair may be safer for this vulnerable population.
Written by the GCMD Library team from the article.
Background
The optimal timing of repair for inguinal hernia in premature infants remains a controversial topic. Our objective was to assess the clinical effects of inguinal hernia repair done before or after neonatal intensive care unit (NICU) discharge.
Methods
MEDLINE, Embase, CINAHL, and CENTRAL were searched in July 2018. Publications comparing clinical outcomes of the premature infants with inguinal hernia repair before (early) and after (delayed) NICU discharge were identified. Two reviewers independently screened studies, extracted data, and assessed for quality. Results were pooled using random effects meta-analysis.
Results
Of 640 publications identified, six comparative studies assessing a total of 1761 premature infants were included. Meta-analysis indicated no statistically significant difference in incarceration rate (odds ratio (OR) 2.15, 95% confidence interval (CI) 0.83–5.58, I2 = 0%), surgical complications (OR 2.36, 95% CI 0.66–8.41, I2 = 0%) and other secondary complications. However, the odds of recurrence and respiratory difficulty was significantly increase in the early group compared to delayed (OR 4.12, 95% CI 1.17–14.45, I2 = 0%; OR 3.59, 95% CI 1.10–11.75, I2 = 42%).
Conclusions
Repair of inguinal hernia in premature infants before NICU discharge may increase the odds of recurrence, but not incarceration or surgical complications.
Level of evidence
Level III