In the 54 patients who underwent 6-month clinical and echocardiographic follow-up, RV end-diastolic area decreased by 29%, with a corresponding 26% reduction in RV fractional area change.

• 在54位进行了6个月临床和心脏超声随访的患者中，RV舒张末期面积减少了29%25，伴随着RV面积改变分数相应的26%25的降低。