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Evaluating the Diagnostic Gap: Statewide Incidence of Undiagnosed Critical Congenital Heart Disease Before Newborn Screening With Pulse Oximetry

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Abstract

Screening for critical congenital heart disease (CCHD) using pulse oximetry has been endorsed by the American Academy of Pediatrics and the American Heart Association. We sought to determine the incidence of undetected CCHD in Tennessee and the diagnostic gap of CCHD in Middle Tennessee prior to screening implementation. The Tennessee Initiative for Perinatal Quality Care (TIPQC) Undetected CCHD Registry is a quality improvement initiative established to identify neonates discharged from the nursery with undetected CCHD. The TIPQC database was queried and a simultaneous review of all neonates with CCHD in the Middle Tennessee region was performed to define the incidence and identify the pre-screen diagnostic gap of undetected CCHD at the time of hospital discharge. In 2011, of 79,462 live births in Tennessee, 12 newborns had undiagnosed CCHD (incidence 15 per 100,000; 95 % CI 9–26 per 100,000). Nine of 12 (75 %) had coarctation of the aorta (CoA). There were no deaths due to undiagnosed CCHD. In the Middle Tennessee region, 6 of 45 neonates with CCHD were missed, for a diagnostic gap of 13 % (95 % CI 6–26 %). Prior to implementation of CCHD screening using pulse oximetry, 12 Tennessee neonates with CCHD were missed by prenatal ultrasound and newborn examination. CoA was the most common lesion missed and is also the CCHD most likely to be missed despite addition of screening using pulse oximetry. Continued evaluation of the diagnostic gap with particular attention to missed diagnoses of CoA should accompany institution of CCHD screening programs.

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Abbreviations

AAP:

Academy of Pediatrics

AHA:

American Heart Association

CHD:

Congenital heart disease

CCHD:

Critical congenital heart disease

CI:

Confidence interval

CoA:

Coarctation of the aorta

TIPQC:

Tennessee Initiative for Perinatal Quality Care

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Acknowledgments

The first author’s fellowship training is supported by the T32HL 105334 Grant from the National Institutes of Health. The study was supported in part by REDCap database grant UL1 TR000445 from the National Center for Advancing Translational Sciences (NCATS) at the National Institutes of Health and Vanderbilt CTSA grant UL1 RR024975 from the National Center for Research Resources at the National Institutes of Health.

Conflict of interest

The authors declare that they have no conflict of interest.

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Correspondence to Jessica H. Mouledoux.

Additional information

This research was conducted and manuscript compiled on behalf of the Tennessee Initiative for Perinatal Quality Care Undetected Critical Congenital Heart Disease Registry.

Registry contributors are listed in the Appendix.

Appendix

Appendix

The contributors to the TIPQC Undetected CCHD Registry are Drs Mark E. Anderson, Rajani Anand, H. Scott Baldwin, Jean Ballweg, William Devoe, Casilda Hermo, Jeffory Jennings, Michael Liske, Dennis Stokes, and Nisha Surenderanath. We thank Dr. Mouledoux’s mentor and manuscript editor, Dr. Stacy Killen; TIPQC Medical Director, Dr. Peter Grubb; TIPQC Project Director, Brenda Barker; and State of Tennessee Births Defects Epidemiologist, Dr. David Law.

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Mouledoux, J.H., Walsh, W.F. Evaluating the Diagnostic Gap: Statewide Incidence of Undiagnosed Critical Congenital Heart Disease Before Newborn Screening With Pulse Oximetry. Pediatr Cardiol 34, 1680–1686 (2013). https://doi.org/10.1007/s00246-013-0697-1

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