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作者首先在人体心导管检查中证实了左心室搏出功与舒张末期容积关系、即前负荷可补充的心室搏出功(PRSW)的线性性质,评价了其反映左室收缩功能的准确性,并与收缩末期压力-容积(ESP-V)关系以及dp/dt_(max)-舒张末期容积(EDV)关系进行了对比研究。 7例具不典型胸痛的受试者(48±18岁)参加本实验。在左室及冠状血管造影后,将Millar导管及球囊导管分别送入左室及右房。注入20～25ml 1/4浓度碘普罗尔(Iopamidol)后右房球囊充盈并回抽使其阻
The authors first confirmed the relationship between left ventricular stroke work volume and end-diastolic volume in human cardiac catheterization, namely, the linear nature of preload-supplemenable ventricular stroke work (PRSW), the assessment of the accuracy of LV systolic function, And compared with the relationship between end-systolic pressure-volume (ESP-V) and dp / dt max (end diastolic volume) (EDV). Seven patients with atypical chest pain (48 ± 18 years) participated in the experiment. After left ventricular and coronary angiography, the Millar catheter and balloon catheter were delivered to the left ventricle and the right atrium, respectively. Inject 20 ~ 25ml 1/4 concentration of Iopamidol right atrial balloon filling and back to make it resistance