Abstract
Purpose
The prenatal diagnosis of the stomach position in congenital diaphragmatic hernia (CDH) has been a reliable prognostic factor, but few studies have focused on the postnatal position. We therefore evaluated the significance of the nasogastric (NG) tube position just after birth.
Methods
The Japanese CDH Study Group database enrolled 1037 CDH neonates over 15 years. In our multicenter retrospective study, 464 cases of left-sided isolated CDH with prenatal diagnoses were divided into two groups: NG tube below the diaphragm (BD; n = 190) or above the diaphragm (AD; n = 274). The primary outcome was the 90-day survival rate, and the secondary outcomes were mechanical ventilation duration, hospitalization duration, and recurrence rate.
Results
The BD group had a significantly higher 90-day survival rate (98.4 vs. 89.4%, p < 0.001), shorter mechanical ventilation (11 vs. 19 days, p < 0.001), shorter hospitalization (38 vs. 59 days, p < 0.001), and lower recurrence rate (p = 0.002) than the AD group. A multivariate analysis showed that BD (adjusted odds ratio, 3.68; 95% confidence interval 1.02–13.30) was a favorable prognostic factor for the 90-day survival.
Conclusion
The assessment of the NG tube position revealed it to be a reliable prognostic factor of left-sided isolated CDH. Therefore, it should be included as a routine assessment.
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Code availability
The datasets in this study are available from the corresponding author upon reasonable request.
Abbreviations
- CDH:
-
Congenital diaphragmatic hernia
- NG:
-
Nasogastric
- BD:
-
Below diaphragm
- AD:
-
Above diaphragm
- LHR:
-
Lung area-to-head circumference ratio
- o/eLHR:
-
Observed/expected lung area-to-head circumference ratio
- LTR:
-
Lung-to-thorax transverse ratio
- OI:
-
Oxygenation index
- iNO:
-
Inhaled nitric oxide
- ECMO:
-
Extracorporeal membrane oxygenation
- OR:
-
Odds ratio
- CI:
-
Confidence interval
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Acknowledgements
We thank Brian Quinn for English language editing. We also thank all members of the Japanese CDHSG for their commitments to CDH research.
Funding
This work was supported by a grant from the Ministry of Health, Labour and Welfare of Japan (Program Grant Number 20FC1017).
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KN: designed the study and JK: analyzed the data, and wrote the draft on the manuscript. KT, SA, KT, NI, YK, MY, TO, YY, HO, MH, TF, KM, AY, NU: contributed to the data collection, data cleaning, interpretation. KT, KT, HO, NU, and TT: critically reviewed this manuscript. The final version of the manuscript was approved by all authors.
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This study was approved by the ethics committee of Kyushu University (Ethical approval number 2020-759) and an institutional review board of all participating institutions.
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Kono, J., Nagata, K., Terui, K. et al. The efficacy of the postnatal nasogastric tube position as a prognostic marker of left-sided isolated congenital diaphragmatic hernia. Pediatr Surg Int 38, 1873–1880 (2022). https://doi.org/10.1007/s00383-022-05226-8
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DOI: https://doi.org/10.1007/s00383-022-05226-8