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Updated: Jul 19, 2026
State of the Art Cranial Ultrasound Imaging in Neonates
Published on: February 2, 2015
Using multidetector-row CT in neonates with complex congenital heart disease to replace diagnostic cardiac
Tain Lee1, I-Chen Tsai, Yun-Ching Fu
1407 Department of Radiology, Taichung Veterans General Hospital, Taichung, Taiwan, Republic of China.
Insights
Multidetector-row CT (MDCT) shows high accuracy in diagnosing neonatal congenital heart disease, potentially replacing invasive cardiac catheterization. This advanced imaging technique offers a safe and effective alternative for anatomical clarification in neonates.
Area of Science:
- Cardiovascular Imaging
- Pediatric Cardiology
- Medical Technology
Background:
- Echocardiography is the primary tool for diagnosing congenital heart disease in neonates.
- Diagnostic cardiac catheterization is used when echocardiography is inconclusive but carries inherent risks.
Purpose of the Study:
- To assess the feasibility of using multidetector-row CT (MDCT) as a substitute for diagnostic cardiac catheterization in neonates with complex congenital heart disease.
Main Methods:
- Prospective study of 14 neonates with complex congenital heart disease.
- MDCT performed using a 40-detector-row CT scanner with dual contrast injection.
- Multidisciplinary team assessed MDCT for diagnostic decisions and calculated accuracy.
Main Results:
- MDCT accurately diagnosed cardiovascular anomalies in 98% of cases (53/54).
- No neonates required subsequent diagnostic cardiac catheterization.
- Excellent contrast enhancement (471 HU) and no significant artifacts observed.
Conclusions:
- MDCT is technically and clinically feasible for evaluating complex congenital heart disease in neonates.
- MDCT can likely replace diagnostic cardiac catheterization for further anatomical assessment after echocardiography.
Background:
Echocardiography is the first-line modality for the investigation of neonatal congenital heart disease. Diagnostic cardiac catheterization, which has a small but recognized risk, is usually performed if echocardiography fails to provide a confident evaluation of the lesions.
Objective:
To verify the technical and clinical feasibilities of replacing diagnostic cardiac catheterization with multidetector-row CT (MDCT) in neonatal complex congenital heart disease.
Materials And Methods:
Over a 1-year period we prospectively enrolled all neonates with complex congenital heart disease referred for diagnostic cardiac catheterization after initial assessment by echocardiography. MDCT was performed using a 40-detector-row CT scanner with dual syringe injection. A multidisciplinary congenital heart disease team evaluated the MDCT images and decided if further diagnostic cardiac catheterization was necessary. The accuracy of MDCT in detecting separate cardiovascular anomalies and bolus geometry of contrast enhancement were calculated.
Results:
A total of 14 neonates were included in the study. No further diagnostic cardiac catheterization was needed in any neonate. The accuracy of MDCT in diagnosing separate cardiovascular anomalies was 98% (53/54) with only one atrial septal defect missed in a patient with coarctation syndrome. The average cardiovascular enhancement in evaluated chambers was 471 HU. No obvious beam-hardening artefact was observed.
Conclusion:
The technical and clinical feasibility of MDCT in complex congenital heart disease in neonates is confirmed. After initial assessment with echocardiography, MDCT could probably replace diagnostic cardiac catheterization for further anatomical clarification in neonates.
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