Keywords Obstructive jaundice;Baroreflex sensitivity;Heart rate variability;Endogenous opioid;nNOS;propofol;blood pressure;heart rate;

• 阻塞性黄疸;动脉压力感受反射敏感性;心率变异性;阿片肽;神经源性一氧化氮合酶;异丙酚;血压;心率;