Fetal endoscopic tracheal occlusion reduces pulmonary hypertension in severe congenital diaphragmatic hernia
Male
Postnatal Care
Fetoscopy
Hypertension, Pulmonary
Infant
Endoscopy
Gestational Age
Prenatal Care
Magnetic Resonance Imaging
Severity of Illness Index
3. Good health
Trachea
03 medical and health sciences
Extracorporeal Membrane Oxygenation
0302 clinical medicine
Liver
Echocardiography
Pregnancy
Humans
Female
Hernias, Diaphragmatic, Congenital
Lung Volume Measurements
Retrospective Studies
DOI:
10.1002/uog.20216
Publication Date:
2019-01-14T14:54:08Z
AUTHORS (13)
ABSTRACT
ABSTRACTObjectiveFetal endoscopic tracheal occlusion (FETO) is associated with increased perinatal survival and reduced need for extracorporeal membrane oxygenation (ECMO) in fetuses with severe congenital diaphragmatic hernia (CDH). This study evaluates the impact of FETO on the resolution of pulmonary hypertension (PH) in fetuses with isolated CDH.MethodsWe reviewed retrospectively the medical records of all fetuses evaluated for CDH between January 2004 and July 2017 at a single institution. Fetuses with additional major structural or chromosomal abnormalities were excluded. CDH cases were classified retrospectively into mild, moderate and severe groups based on prenatal magnetic resonance imaging indices (observed‐to‐expected total fetal lung volume and percentage of intrathoracic liver herniation). Presence of PH was determined based on postnatal echocardiograms. Logistic regression analyses were performed to evaluate the relationship between FETO and resolution of PH by 1 year of age while controlling for side of the CDH, use of ECMO, gestational age at diagnosis, gestational age at delivery, fetal gender, sildenafil use at discharge and CDH severity. Resolution of PH by 1 year of age was compared between a cohort of fetuses with severe CDH that underwent FETO and a cohort that did not have the procedure (non‐FETO). A subanalysis was performed restricting the analysis to isolated left CDH. Parametric and non‐parametric tests were used for comparisons.ResultsOf 257 CDH cases evaluated, 72% (n = 184) had no major structural or chromosomal anomalies of which 58% (n = 107) met the study inclusion criteria. The FETO cohort consisted of 19 CDH cases and the non‐FETO cohort (n = 88) consisted of 31 (35%) mild, 32 (36%) moderate and 25 (28%) severe CDH cases. All infants with severe CDH, regardless of whether they underwent FETO, had evidence of neonatal PH. FETO (OR, 3.57; 95% CI, 1.05–12.10; P = 0.041) and ECMO (OR, 5.01; 95% CI, 2.10–11.96; P < 0.001) were independent predictors of resolution of PH by 1 year of age. A higher proportion of infants with severe CDH that underwent FETO had resolution of PH by 1 year after birth compared with infants with severe CDH in the non‐FETO cohort (69% (11/16) vs 28% (7/25); P = 0.017). Similar results were observed when the analysis was restricted to cases with left‐sided CDH (PH resolution in 69% (11/16) vs 28% (5/18); P = 0.032).ConclusionIn infants with severe CDH, FETO and ECMO are independently associated with increased resolution of PH by 1 year of age. Copyright © 2019 ISUOG. Published by John Wiley & Sons Ltd.
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