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Surgical approaches for neonatal congenital diaphragmatic hernia: a systematic review and meta-analysis

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Abstract

Purpose

The optimal surgical approach for neonatal congenital diaphragmatic hernia (CDH) remains unclear. We conducted a systematic review and meta-analysis of the effectiveness of endoscopic surgery (ES) for neonatal CDH.

Methods

A systematic literature search was conducted using MEDLINE and the Cochrane Library. Studies that compared surgical approaches for neonatal CDH were selected. Mortality and recurrence of herniation were analyzed as primary endpoints. Each study was evaluated following the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) system.

Results

Eight observational studies comparing ES and open surgery (OS) met the criteria. As compared with the OS group, the ES group showed both a significantly lower mortality rate [risk ratio (RR) 0.18, 95 % confidence interval (CI) 0.09–0.38, p < 0.0001] and a significantly higher recurrence rate (RR 3.10, 95 % CI 1.95–4.88, p < 0.00001). However, serious selection bias was seen in seven of the eight studies—because the indication of ES had been determined intentionally, the ES groups may have included less severe cases.

Conclusion

Although the evidence was insufficient, ES was clearly associated with more recurrence than was OS. Therefore, ES should not be the routine treatment for every neonate. It is crucially important to select suitable cases for ES.

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Acknowledgments

This work was supported by a grant from the Ministry of Health, Labour and Welfare of Japan (Health and Labour Sciences Research Grants for Research on Intractable Diseases).

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Correspondence to Keita Terui.

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The authors declare that they have no conflict of interest.

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Terui, K., Nagata, K., Ito, M. et al. Surgical approaches for neonatal congenital diaphragmatic hernia: a systematic review and meta-analysis. Pediatr Surg Int 31, 891–897 (2015). https://doi.org/10.1007/s00383-015-3765-1

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  • DOI: https://doi.org/10.1007/s00383-015-3765-1

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