A potential cause of left ventricular dysfunction after surgery in neonates with low-risk congenital diaphragmatic hernia: high-tension repair

Hong, S.-M.; Chen, Q.; Hong, J.-J.; Cao, H.; Huang, J.-X.; Hong, S.-M; Chen, Q; Hong, J.-J; Cao, H; Huang, J.-X

doi:10.1007/s00383-023-05514-x

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A potential cause of left ventricular dysfunction after surgery in neonates with low-risk congenital diaphragmatic hernia: high-tension repair

Hong, S.-M.; Chen, Q.; Hong, J.-J.; Cao, H.; Huang, J.-X.

Pediatric Surgery International 39(1): 233

2023

ISSN/ISBN: 1437-9813

PMID: 37436573

DOI: 10.1007/s00383-023-05514-x
Accession: 090367238

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Summary

Congenital diaphragmatic hernia (CDH) is a serious congenital malformation. Given the focus on improving survival in patients with "high-risk" CDH, it is possible that risk factors for low-risk patient with CDH may not be a concern. Left heart failure leads to adverse postoperative outcomes, including the need for extracorporeal membrane oxygenation (ECMO). The purpose of this study was to explore the causes of postoperative left heart failure in the low-risk group. A retrospective study was conducted on newborns with congenital diaphragmatic hernia who were surgically treated in our hospital from January 2018 to March 2022. Children at low risk were divided into three groups according to the intraoperative repair conditions. Group A was defined as grade A defects repaired by direct suture. Group B was defined as a grade B defect repaired by mesh. Group C was a grade B defect repaired by high-tension suture. The age, gender, weight, perioperative echocardiography, and follow-up of the patients were statistically analyzed. The risk factors of left ventricular dysfunction after surgery in neonates with low-risk congenital diaphragmatic hernia were analyzed. A total of 52 low-risk children were included in the study. For children in the low-risk group, there was no significant difference between the low-tension repair group and the high-tension repair group in terms of operation time, thoracic tube drainage time, hospital stay, and long-term survival rate. Group A and group B showed good left ventricular function, while group C showed more decreased left ventricular EF and LVFS (LVEF 54.06 ± 10.28, LVFS 26.94 ± 5.83, p < 0.001). On the comparison of measures of left ventricular size, the mean values of left ventricular end-diastolic diameters(LVDD) and left ventricular end-systolic diameters (LVDS) were significantly difference in group C. Univariate analysis showed that LHR, o/e LHR, operation time, and high-tension repair were the influencing factors of left ventricular dysfunction. Multivariate logistic regression analysis identified risk factors for high-tension repair. Severe left heart dysfunction occurred in 2 patients with ECMO requirement in the high-tension repair group, although the difference was not significant. High-tension repair is a potential cause of left ventricular dysfunction in neonates with low-risk CDH.

A potential cause of left ventricular dysfunction after surgery in neonates with low-risk congenital diaphragmatic hernia: high-tension repair

Hong, S.-M.; Chen, Q.; Hong, J.-J.; Cao, H.; Huang, J.-X.

Pediatric Surgery International 39(1): 233

2023

Article/Abstract emailed within 0-6 h

Summary

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