Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine · 2020
Post-Left Atrium Space Index in Fetuses With Total Anomalous Pulmonary Venous Connection and Other Congenital Heart Diseases.
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Han Jiancheng, Li Tianjing, Wu Wenfang, Zhang Ye, Liu Xiaowei, Gu Xiaoyan, Sun Lin, Gao Shuang, He Yihua
Аннотация
OBJECTIVES: We aimed to explore the value of the post-left atrium space (PLAS) index in the diagnosis of total anomalous pulmonary venous connection (TAPVC) and the effect of other congenital heart diseases on the PLAS index in the fetus.
METHODS: The PLAS index of 69 fetuses with TAPVC was analyzed retrospectively. Approximately 252 healthy fetuses were randomly selected as controls, and 110 cases of intracardiac malformations were randomly selected for comparison. The PLAS index was defined as the ratio of the left atrium-descending aorta distance divided by the descending aorta diameter from the 4-chamber view in the end-systolic phase.
RESULTS: There were no significant differences in the PLAS index among the 3 groups of isolated TAPVC subtypes (P > .05), or among the isolated TAPVC group and the simple and complex cardiac anomaly groups (P > .05). Compared with the control group, the PLAS index of the TAPVC group was significantly increased (P < .001). The PLAS index was significantly higher in the TAPVC group than in hypoplastic left heart syndrome, endocardial cushion defect, conotruncal defect, and ventricular septal defect groups (P < .05). The PLAS indices of the hypoplastic left heart syndrome, endocardial cushion defect, and conotruncal defect groups were all higher than that of the control group (P < .05). There was no significant difference in the PLAS index between the ventricular septal defect and control groups (P > .05).
CONCLUSIONS: The PLAS index is a sensitive parameter for the diagnosis of fetal TAPVC. There were no significant differences in the PLAS index among different TAPVC types. Complex intracardiac anomalies have an influence on the PLAS index.
METHODS: The PLAS index of 69 fetuses with TAPVC was analyzed retrospectively. Approximately 252 healthy fetuses were randomly selected as controls, and 110 cases of intracardiac malformations were randomly selected for comparison. The PLAS index was defined as the ratio of the left atrium-descending aorta distance divided by the descending aorta diameter from the 4-chamber view in the end-systolic phase.
RESULTS: There were no significant differences in the PLAS index among the 3 groups of isolated TAPVC subtypes (P > .05), or among the isolated TAPVC group and the simple and complex cardiac anomaly groups (P > .05). Compared with the control group, the PLAS index of the TAPVC group was significantly increased (P < .001). The PLAS index was significantly higher in the TAPVC group than in hypoplastic left heart syndrome, endocardial cushion defect, conotruncal defect, and ventricular septal defect groups (P < .05). The PLAS indices of the hypoplastic left heart syndrome, endocardial cushion defect, and conotruncal defect groups were all higher than that of the control group (P < .05). There was no significant difference in the PLAS index between the ventricular septal defect and control groups (P > .05).
CONCLUSIONS: The PLAS index is a sensitive parameter for the diagnosis of fetal TAPVC. There were no significant differences in the PLAS index among different TAPVC types. Complex intracardiac anomalies have an influence on the PLAS index.