在对咯血的诊疗过程中 ,我们发现咯血患者在治疗后往往在入睡后或清晨又复发作 ,为了解哪些药物对防治咯血复发有效 ,我院从 1994年至 1999年 5月 ,对 43例咯血患者在常规治疗基础上 ,于睡前采取注射 65 4 2 10ｍｇ治疗 ,并与常规治疗进行对照 ,发现睡前加注 65 4 2在防止咯血 In the process of diagnosis and treatment of hemoptysis, we found that patients with hemoptysis tend to fall asleep or early morning after treatment, in order to understand which drugs effective in preventing and treating hemoptysis recurrence, our hospital from 1994 to May 1999, 43 cases of hemoptysis Patients on the basis of conventional treatment, taking 65 4 2 10mg at bedtime before treatment, and compared with conventional treatment and found that 65 4 2 before bedtime to prevent hemoptysis