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자료유형
학술저널
저자정보
Ranjini Srinivasan (New York University Grossman School of Medicine) Jennifer A. Faerber (Children's Hospital of Philadelphia) Grace DeCost (Brown University) Xuemei Zhang (Children's Hospital of Philadelphia) Michael DiLorenzo (Columbia University) Elizabeth Goldmuntz (University of Pennsylvania Perelman School of Medi) Mark Fogel (University of Pennsylvania Perelman School of Medi) Laura Mercer-Rosa (University of Pennsylvania Perelman School of Medi)
저널정보
한국심초음파학회 Journal of Cardiovascular Imaging Journal of Cardiovascular Imaging 제30권 제1호
발행연도
2022.1
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50 - 58 (9page)

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BACKGROUND: Little is known regarding right ventricular (RV) remodeling immediately after Tetralogy of Fallot (TOF) repair. We sought to describe myocardial deformation by cardiac magnetic resonance imaging (CMR) after TOF repair and investigate associations between these parameters and early post-operative outcomes. METHODS: Fifteen infants underwent CMR without sedation as part of a prospective pilot study after undergoing complete TOF repair, prior to hospital discharge. RV deformation (strain) was measured using tissue tracking, in addition to RV ejection fraction (EF), volumes, and pulmonary regurgitant fraction. Pearson correlation coefficients were used to determine associations between both strain and CMR measures/clinical outcomes. RESULTS: Most patients were male (11/15, 73%), with median age at TOF repair 53 days (interquartile range, 13,131). Most patients had pulmonary stenosis (vs. atresia) (11/15, 73%) and 7 (47%) received a transannular patch as part of their repair. RV function was overall preserved with mean RV EF of 62% (standard deviation [SD], 9.8). Peak radial and longitudinal strain were overall diminished (mean ± SD, 33.80 ± 18.30% and ?15.50 ± 6.40%, respectively). Longer hospital length of stay after TOF repair was associated with worse RV peak radial ventricular strain (correlation coefficient (r), ?0.54; p = 0.04). Greater pulmonary regurgitant fraction was associated with shorter time to peak radial RV strain (r = ?0.55, p = 0.03). CONCLUSIONS: In this small study, our findings suggest presence of early decrease in RV strain after TOF repair and its association with hospital stay when changes in EF and RV size are not yet apparent.

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