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某些具有很高左室充盈压的慢性严重的充血性心衰患者,单用硝酸盐治疗即可具有维持心排出量的能力。但在需要左室充盈压大幅度减低和心排出量大幅度增加的慢性严重的充血性心衰患者,联合应用口服肼苯达嗪和硝酸盐疗法,由于能使前负荷和后负荷两者均显著降低而对治疗极为有益。应当确定出最适剂量,肼苯达嗪
In some patients with chronic severe congestive heart failure who have a high LV filling pressure, nitric acid alone can maintain cardiac output. However, in patients with chronic severe congestive heart failure who require a significant reduction in left ventricular filling pressure and a substantial increase in cardiac output, the combination of oral hydralazine and nitrate therapy, as both preload and postload Significantly reduce the treatment is extremely useful. The optimal dose should be determined, hydralazine