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Research: Best pre-ductal PaO 2 prior to extracorporeal membrane oxygenation as predictor of mortality in patients with congenital diaphragmatic hernia: a retrospective analysis of a Japanese database

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Research: Best pre-ductal PaO 2 prior to extracorporeal membrane oxygenation as predictor of mortality in patients with congenital diaphragmatic hernia: a retrospective analysis of a Japanese database

Pediatr Surg Int

. 2021 Sep 6;1-7. doi: 10.1007/s00383-021-04995-y. Online ahead of print. https://pubmed.ncbi.nlm.nih.gov/34487208/

Best pre-ductal PaO 2 prior to extracorporeal membrane oxygenation as predictor of mortality in patients with congenital diaphragmatic hernia: a retrospective analysis of a Japanese database

Keita Terui 1Taizo Furukawa 2Kouji Nagata 3Masahiro Hayakawa 4Hiroomi Okuyama 5Shoichiro Amari 6Akiko Yokoi 7Kouji Masumoto 8Masaya Yamoto 9Tadaharu Okazaki 10Noboru Inamura 11Katsuaki Toyoshima 12Keiichi Uchida 13Manabu Okawada 14Yasunori Sato 15Noriaki Usui 16Affiliations expand

Free PMC article

Abstract

Purpose: Predicting lethal pulmonary hypoplasia in infants with congenital diaphragmatic hernia (CDH) before extracorporeal membrane oxygenation (ECMO) initiation is difficult. This study aimed to predict lethal pulmonary hypoplasia in patients with CDH prior to ECMO.

Methods: This was a multicenter cohort study involving neonates prenatally diagnosed with isolated unilateral CDH (born 2006-2020). Patients who required ECMO due to respiratory insufficiency were included in this study. Patients who underwent ECMO due to transient disorders were excluded from analysis. Blood gas analysis data within 24 h of birth were compared between survivors and non-survivors. Predictive abilities were assessed for factors with significant differences.

Results: Overall, 34 patients were included (18 survivors and 16 non-survivors). The best pre-ductal PaO2 was significantly lower in non-survivors than in survivors (50.4 [IQR 30.3-64.5] vs. 67.5 [IQR 52.4-103.2] mmHg, respectively; p = 0.047). A cutoff PaO2 of 42.9 mmHg had a sensitivity, specificity, and positive predictive value of 50.0%, 94.4%, and 88.9%, respectively, to predict mortality.

Conclusion: The best PaO2 within 24 h after birth predicted mortality following ECMO initiation. This should be shared to families and caregivers to optimize the best interests of the infants with CDH.

Keywords: Blood gas analysis; Congenital abnormalities; Congenital diaphragmatic hernia; Extracorporeal membrane oxygenation; Neonatal intensive care; Palliative care.

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