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作者报告13例扩张型心肌病并充血性心力衰竭婴儿,年龄2至13个月。均作了心导管证实了临床诊断,排除了解剖异常并精确地确定了血液动力学状况,血管造影证明左室射血分数明显降低(0.24±11)伴左室扩张。静脉应用肼苯哒嗪0.5至1.0mg/kg,动脉阻抗从21.1±3.3降到12.0±2.7u/m~2(P<0.001),动脉阻抗降低41±14％,同时伴有心脏指数增加45±
The authors report 13 cases of dilated cardiomyopathy and congestive heart failure infants, aged 2 to 13 months. Cardiac catheters were confirmed as clinically diagnosed, anatomical abnormalities were excluded, and hemodynamic status was accurately determined. Angiography showed a significant decrease in left ventricular ejection fraction (0.24 ± 11) with left ventricular dilatation. Arterial impedance decreased from 21.1 ± 3.3 to 12.0 ± 2.7u / m ~ 2 (P <0.001), arterial impedance decreased by 41 ± 14%, accompanied by an increase in cardiac index of 45 to 1.0 mg / kg for intravenous hydralazine ±