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Research: Risk factors for mortality in infants with congenital diaphragmatic hernia: a single center experience

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Research: Risk factors for mortality in infants with congenital diaphragmatic hernia: a single center experience

Wien Klin Wochenschr

. 2021 Mar 30;1-6. doi: 10.1007/s00508-021-01843-w. Online ahead of print. https://pubmed.ncbi.nlm.nih.gov/33783619/

Risk factors for mortality in infants with congenital diaphragmatic hernia: a single center experience

Jennifer Bettina Brandt 1Tobias Werther 2Erika Groth 3Erik Küng 2Johann Golej 2Angelika Berger 2Affiliations expand

Free PMC articleFull text linksCiteAbstractPubMedPMID

Abstract

Background: Despite current progress in research of congenital diaphragmatic hernia, its management remains challenging, requiring an interdisciplinary team for optimal treatment.

Objective: Aim of the present study was to evaluate potential risk factors for mortality of infants with congenital diaphragmatic hernia.

Methods: A single-center chart review of all patients treated with congenital diaphragmatic hernia over a period of 16 years, at the Medical University of Vienna, was performed. A comparison of medical parameters between survivors and non-survivors, as well as to published literature was conducted.

Results: During the observational period 66 patients were diagnosed with congenital diaphragmatic hernia. Overall survival was 84.6%. Left-sided hernia occurred in 51 patients (78.5%) with a mortality of 7.8%. In comparison, right-sided hernia occurred less frequently (n = 12) but showed a higher mortality (33.3%, p = 0.000). Critically instable patients were provided with venoarterial extracorporeal membrane oxygenation (ECMO, 32.3%, n = 21). Survival rate among these patients was 66.7%. Right-sided hernia, treatment with inhaled nitric oxide (iNO) over 15 days and the use of ECMO over 10 days were significant risk factors for mortality.

Conclusion: The survival rate in this cohort is comparable to the current literature. Parameters such as the side of the diaphragmatic defect, duration of ECMO and inhaled nitric oxide were assessed as mortality risk factors. This analysis of patients with congenital diaphragmatic hernia enhances understanding of risk factors for mortality, helping to improve management and enabling further evaluation in prospective clinical trials.

Keywords: CDH; ECMO; Inhaled nitric oxide; Pulmonary hypertension; Survival parameters.

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