部分高血压患者药物治疗失败原因是由于不能坚持频繁服药。文献报导肼苯达嗪一日二次服药与每六小时服一次药同样有效。本文作者研究一日一次服药是否也能同样有效。作者将20例高血压患者,先以肼苯达嗪,氨酰心安、利尿剂联合治疗四周血压已获控制后,停用肼苯达嗪,其余治疗不变,将患者随机分为四组进 Some patients with hypertension due to failure of medication because they can not insist on frequent medication. The literature reports that hydralazine twice daily takes the same dose as every six hours. The authors study whether once-daily medication can be equally effective. The authors will be 20 cases of hypertensive patients, first hydralazide, atenolol, diuretic combined treatment of blood pressure has been controlled after the suspension of hydralazide, the remaining treatment unchanged, the patients were randomly divided into four groups