Biventricular Repair in Borderline Left Hearts: Insights From Cardiac Magnetic Resonance Imaging

Cardiac magnetic resonance imaging (CMR) may augment 2-dimensional (2D) echocardiography in decision-making for biventricular repair in borderline hypoplastic left hearts. This study evaluates: 1) the relationship between 2D echocardiography and CMR; 2) imaging variables affecting assignment to bive...

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Bibliographic Details
Published in:JACC. Advances (Online) 2022-08, Vol.1 (3), p.100066
Main Authors: Kang, Sok-Leng, Chaturvedi, Rajiv R, Wan, Andrea, Cheung, Kenneth, Haller, Christoph, Howell, Alison, Barron, David J, Seed, Mike, Lee, Kyong-Jin
Format: Article
Language:English
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Original Research
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Summary:Cardiac magnetic resonance imaging (CMR) may augment 2-dimensional (2D) echocardiography in decision-making for biventricular repair in borderline hypoplastic left hearts. This study evaluates: 1) the relationship between 2D echocardiography and CMR; 2) imaging variables affecting assignment to biventricular vs non-biventricular management; and 3) variables affecting transplant-free biventricular survival. We reviewed clinical, echocardiographic, and CMR data in 67 infants, including CMR-determined ascending aortic (AAo) flow and comparable left ventricular end-diastolic volume indexed (LVEDVi) by 2D-echocardiography and CMR. Treatment assignment to biventricular repair was either direct (BV, n = 45) or with a bridging hybrid procedure (H1-BV, n = 12). Echocardiographic LVEDVi was 
ISSN:2772-963X
2772-963X
DOI:10.1016/j.jacadv.2022.100066