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Early Echocardiography Predicts Intervention Need in Antenatal Suspicion of Coarctation of the Aorta.

ABSTRACT: Coarctation of the aorta (CoA) is challenging to diagnose in early postnatal life. We aimed to describe the resource utilization and predictors for the need of intervention in an antenatal suspicion of CoA. A retrospective study of infants with an antenatal suspicion of CoA born at ≥37 weeks was performed. Those not requiring intervention (normal) were compared with those who required cardiac surgery (CoA). Strain was measured using speckle-tracking echocardiography. A total of 51 newborns were included; 40 (78%) were considered normal and 11 (22%) underwent intervention. Echocardiography occurred within the first day of life for both groups. Right ventricular (RV) predominance was present in the CoA group, as demonstrated by the left ventricular (LV) end-systolic eccentricity index (1.60 [0.28] vs 2.16 [0.45]; P < 0.001) and by a larger RV end-diastolic area (EDA) in apical 4-chamber (A4C) relative to LV-EDA-with a ratio of 1.56 [0.23] vs 1.02 [0.2]; P < 0.001. An RV/LV EDA ratio in A4C ≥1.3 had a high probability for CoA (area under the curve = 0.97). Newborns with CoA had a lower RV deformation (peak systolic strain rate: -0.98 [0.17] vs -0.83 [0.2]; P = 0.02). Intraclass correlation coefficient for the EDA ratio revealed a good inter-rater agreement (0.76; 95% confidence interval: 0.55-0.87). Analysis with rater #2 revealed that the EDA ratio ≥1.3 predicted 100% of CoA. The majority of those with an antenatal suspicion of CoA did not require intervention but were high consumers of resources. Within the first day of life, the ventricular EDA ratio in A4C may help predicting those with true CoA requiring intervention.

SUBMITTER: Wutthigate P

PROVIDER: S-EPMC10642135 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature

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Early Echocardiography Predicts Intervention Need in Antenatal Suspicion of Coarctation of the Aorta.

Wutthigate Punnanee P Simoneau Jessica J Renaud Claudia C Altit Gabriel G

CJC pediatric and congenital heart disease 20220514 4

<h4>Background</h4>Coarctation of the aorta (CoA) is challenging to diagnose in early postnatal life. We aimed to describe the resource utilization and predictors for the need of intervention in an antenatal suspicion of CoA.<h4>Methods</h4>A retrospective study of infants with an antenatal suspicion of CoA born at ≥37 weeks was performed. Those not requiring intervention (normal) were compared with those who required cardiac surgery (CoA). Strain was measured using speckle-tracking echocardiogr ...[more]

PMID: 37969934

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Project description:BackgroundCoarctation of the aorta is a common form of critical congenital heart disease that remains challenging to diagnose prior to clinical deterioration. Despite current screening methods, infants with coarctation may present with life-threatening cardiogenic shock requiring urgent hospitalization and intervention. We sought to improve critical congenital heart disease screening by using a novel pulse oximetry waveform analysis, specifically focused on detection of coarctation of the aorta.Methods and resultsOver a 2-year period, we obtained pulse oximetry waveform data on 18 neonates with coarctation of the aorta and 18 age-matched controls hospitalized in the cardiac intensive care unit at Children's Healthcare of Atlanta. Patients with coarctation were receiving prostaglandin E1 and had a patent ductus arteriosus. By analyzing discrete features in the waveforms, we identified statistically significant differences in the maximum rate of fall between patients with and without coarctation. This was accentuated when comparing the difference between the upper and lower extremities, with the lower extremities having a shallow slope angle when a coarctation was present (p-value 0.001). Postoperatively, there were still differences in the maximum rate of fall between the repaired coarctation patients and controls; however, these differences normalized when compared with the same individual's upper vs. lower extremities. Coarctation patients compared to themselves (preoperatively and postoperatively), demonstrated waveform differences between upper and lower extremities that were significantly reduced after successful surgery (p-value 0.028). This screening algorithm had an accuracy of detection of 72% with 0.61 sensitivity and 0.94 specificity.ConclusionsWe were able to identify specific features in pulse oximetry waveforms that were able to accurately identify patients with coarctation and further demonstrated that these changes normalized after surgical repair. Pulse oximetry screening for congenital heart disease in neonates may thus be improved by including waveform analysis, aiming to identify coarctation of the aorta prior to critical illness. Further large-scale testing is required to validate this screening model among patients in a newborn nursery setting who are low risk for having coarctation.

Dataset Information

Early Echocardiography Predicts Intervention Need in Antenatal Suspicion of Coarctation of the Aorta.

Publications

Early Echocardiography Predicts Intervention Need in Antenatal Suspicion of Coarctation of the Aorta.

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