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- Title
Advancing Prenatal Detection of Congenital Heart Disease: A Novel Screening Protocol Improves Early Diagnosis of Complex Congenital Heart Disease.
- Authors
Letourneau, Karen M.; Horne, David; Soni, Reeni N.; McDonald, Keith R.; Karlicki, Fern C.; Fransoo, Randy R.
- Abstract
Objectives: Prenatal diagnosis of complex congenital heart disease (CHD) during routine obstetric ultrasound (US) examinations improves postnatal outcomes, but sensitivity is low (<40%). Our objective was to improve our prenatal detection of complex CHD with implementation of a specific screening protocol. Methods: From January 2003 to December 2013, 506 consecutive confirmed cases of complex CHD in the province of Manitoba, Canada, were analyzed to compare the sensitivity and positive predictive value of prenatal US detection of complex CHD before and after the introduction of a novel prenatal screening protocol. The intervention was done in October 2004, emphasizing screening and not diagnosis of complex CHD. It involved education, practical scanning tips, a checklist, and feedback on cases. We also assessed the effect of the intervention in different screening settings: community hospitals, tertiary hospitals, and fetal assessment units. Results: The sensitivity for detecting complex CHD increased from 29.8% to 88.3% (<italic>P</italic> < .0001), while the positive predictive value remained high. The largest improvement in detection was found for US units in community hospitals (52.4% higher; <italic>P</italic> < .0001), followed by tertiary hospitals (39.9%; <italic>P</italic> = .0004), and fetal assessment units (7.2%; <italic>P</italic> = .16). Additionally, there was a significant decrease in the presentation of neonates in critical condition from before to after the implementation (24.3% to 13.1%, respectively; <italic>P</italic> = .0165). Conclusions: Implementing a focused routine prenatal screening protocol can vastly improve detection rates of critical cardiac abnormalities. The improvement in community hospitals was particularly important because early detection ensured that the birth was planned to take place in an appropriate facility. Our novel protocol can be performed by all sonographers, regardless of experience, equipment used, and hospital setting.
- Subjects
CONGENITAL heart disease; PRENATAL diagnosis; FETAL ultrasonic imaging; ECHOCARDIOGRAPHY; TERTIARY care
- Publication
Journal of Ultrasound in Medicine, 2018, Vol 37, Issue 5, p1073
- ISSN
0278-4297
- Publication type
Article
- DOI
10.1002/jum.14453