期刊
JOURNAL OF CARDIOVASCULAR DEVELOPMENT AND DISEASE
卷 9, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/jcdd9030077
关键词
left ventricular noncompaction; cardiomyopathy; imaging; echocardiography; cardiovascular magnetic resonance; children
资金
- Children's Memorial Health Institute [S177/2018]
Left ventricular noncompaction (LVNC) is a distinct cardiomyopathy with heterogeneous diagnostic criteria. This study evaluated the echocardiographic and CMR findings in a group of children with isolated LVNC and found that echocardiography can accurately identify LVNC patients, while CMR provides more precise assessment of LV remodeling, ventricular size and function.
Background: Left ventricular noncompaction (LVNC) is a distinct cardiomyopathy characterized by the presence of a two-layer myocardium with prominent trabeculation and deep intertrabecular recesses. The diagnosis of LVNC can be challenging because the diagnostic criteria are not uniform. The aim of our study was to evaluate echocardiographic and CMR findings in a group of children with isolated LVNC. Methods: From February 2008 to July 2021, pediatric patients under 18 years of age at the time of diagnosis with echocardiographic evidence of isolated LVNC were prospectively enrolled. The patients underwent echocardiography and contrast-enhanced cardiovascular magnetic resonance (CMR) with late gadolinium enhancement to assess myocardial noncompaction, ventricular size, and function. Results: A total of 34 patients, with a median age of 11.9 years, were recruited. The patients were followed prospectively for a median of 5.1 years. Of the 31 patients who met Jenni's criteria in echocardiography, CMR was performed on 27 (79%). Further comprehensive analysis was performed in the group of 25 patients who met the echocardiographic and CMR criteria for LVNC. In echocardiography, the median NC/C ratio in systole was 2.60 and in diastole 3.40. In 25 out of 27 children (93%), LVNC was confirmed by CMR, according to Petersen's criteria, with a median NC/C ratio of 3.27. Conclusions: (1) Echocardiography precisely identifies patients with LVNC. (2) Echocardiography is a good method for monitoring LV systolic function, but CMR is indicated for the precise assessment of LV remodeling and RV size and function, as well as for the detection of myocardial fibrosis.
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