原位肝移植术后肾血流动力学研究

目的：探讨原位肝移植（OLT）受者肾的血流动力学变化及其相关因素。方法：20例因肝硬化行OLT患者，分别于术前、术后7d，30d，6个月及1年时应用彩色多普勒血流显像仪（CDFI）测定肾动脉血流阻力指数（RI）、测定血清肌酐（Cr）值，并与10例正常人进行对照。 结果：术后早期OLT受者RI与血清Cr在均升高（P<0.01）,至术后1年可逐渐恢复正常（P>0.05）。结论：原位肝移植术后肾血流动力学大都在1年内恢复正常，术前肾的异常及术中血流动力学变化可导致术后肾功能不全，但术后长期的肾功能改变则主要与环孢菌素（CsA）等的作用有关。

Postoperatiive renal hemodynamic in orthotopic liver transplant recipents

Objective To investigate the renal hemodynamic changes after orthotopic liver transplantation(OLT)and the correlative parameters. Methods In 20 patients undergoing OLT for cirrhosis,the following renal arterial resistance index(RI) was measured before surgery and 7days,30days, 6 months and 1 year after operation by using color Doppler flow imaging(CDFI) and serum creatinine detection.Meanwhile the same parameters were measured in 10 healthy as controls. Results Both RI and serum Cr rised after OLT ( P <0.01), restored to normal after OLT in 1 year( P >0.05). Conclusions Most alteration of renal hemodynamic parameters in cirrhosis are restored to normal after OLT in 1 year. Preoperative renal abnormalities and intraopterative alteration of hemodynamic may contribute to postoperative renal dysfunction. Cyclosporine (CsA) is the most likely etiologic agent of postoperative renal dysfunction.