group was 100%, 3 patients suffered from cardiac arrest, 2 patients were found to have aspiration and apnea suddenly, and the ratio of ADR was 7.46%.

• 静脉注射组有效率为100%25,有3例发生心跳骤停,2例发生误吸、呼吸骤停,不良反应发生率为7·46%25。