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对19例法乐四联征(TOF)患者行STI测定。术前心率与LVET、EMT呈负相关(P<0.01),与PEP不相关。术后PEP、PEP/LVET较术前明显减小(P<0.01)。根治术前STI各参数与左室射血分数无直线相关关系。
19 patients with tetralogy of Fallot (TOF) patients underwent STI determination. Preoperative heart rate and LVET, EMT was negatively correlated (P <0.01), and PEP is not related. Postoperative PEP, PEP / LVET was significantly lower than that before operation (P <0.01). There was no linear correlation between the parameters of STI and left ventricular ejection fraction before radical surgery.