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目的 观察美托洛尔对老年慢性充血性心力衰竭患者左心室功能的影响。 方法 选择 36例老年慢性充血性心力衰竭患者 ,口服美托洛尔 3个月 ,用药前后观察心率、血压改变及进行超声心动图检查 ,测左心室舒张末期内径、心排出量、左心室射血分数、左心室充盈分数。结果 经美托洛尔治疗后 ,心率、血压显著下降 ,左心室舒张末期内径减少 ,左心室射血分数、左心室充盈分数及心排出量均有不同程度的提高。 结论 美托洛尔治疗老年慢性充血性心力衰竭 3个月 ,左心室舒张末内径减少 ,左心室射血分数增加 ,心功能改善
Objective To investigate the effects of metoprolol on left ventricular function in elderly patients with chronic congestive heart failure. Methods Thirty-six elderly patients with chronic congestive heart failure were treated with metoprolol orally for 3 months. Changes of heart rate, blood pressure and echocardiography were observed before and after treatment. Left ventricular end diastolic diameter, cardiac output, left ventricular ejection Score, left ventricular filling fraction. Results After metoprolol treatment, heart rate, blood pressure decreased significantly, left ventricular end-diastolic diameter decreased, left ventricular ejection fraction, left ventricular filling fraction and cardiac output were increased to varying degrees. Conclusion Metoprolol treatment of elderly patients with chronic congestive heart failure 3 months, left ventricular end-diastolic diameter decreased, left ventricular ejection fraction increased, cardiac function improved