Evaluation of cardiac function scale of chronic heart failure by impedance cardiography in elder peopleChinese Full Text

ZHOU Jian-sheng,CAI Qin,GUO Xuan,MA Hui-jun,LI Yu-jie,SONG Qing-gang(Department of Cardiology,Xi’an First Hospital,Xi’an 710002,Shaanxi,China)

Abstract: AIM To evaluate the clinical scale of chronic heart failure by impedance cardiography in elder chronic heart failure patients and to determine the corresponding quantitative parameters with NYHA cardiac functional grading.METHODS One hundred and twenty patients（with coronary artery disease,hypertensive heart disease,dilated cardiomyopathy）were divided into Ⅰ、Ⅱ、Ⅲ and Ⅳ group according to NYHA cardiac functional grading.Sixteen hemodynamic parameters were detected with Bioz.com impedance cardiography equipment.RESULTS ①Cardiac output（CO）,Cardiac index（CI）,LVSWI and LCWI were found gradually decrease following the NYHA cardiac functional grading inⅠ-Ⅳ group（P＜0.05）;② SV,SI and VI were not significantly different between NYHA Ⅰ and Ⅱ,and between NYHA III and Ⅳ,but there was a significant decreasing tendency between NYHA Ⅰ,Ⅱ and Ⅲ,Ⅳ（P＜0.05）.SVR and SVRI were not significantly different between NYHA Ⅰ and Ⅱ,and likewise between NYHA III and Ⅳ,but there was a significant increasing tendency between NYHA Ⅰ,Ⅱ and III and Ⅳ（P＜0.05）;③ Thoracic liquid content（TFC）and systole time ratio（STR）were not significantly different between NYHAⅠ,Ⅱ and Ⅲ,but there was a significant increasing tendency between Ⅳ and others（P＜0.05）.CONCLUSION Quantitative parameters with impedance cardiograph can be used to evaluate clinical cardiac function scale of chronic heart failure.

Keywords：

impedance cardography; chronic heart failure,elder; cardiac function;

DOI：
10.13191/j.chj.2008.01.89.zhoujsh.023
Series：
Subject：
Classification Code：
R541.61

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Evaluation of cardiac function scale of chronic heart failure by impedance cardiography in elder peopleChinese Full Text

ZHOU Jian-sheng,CAI Qin,GUO Xuan,MA Hui-jun,LI Yu-jie,SONG Qing-gang(Department of Cardiology,Xi’an First Hospital,Xi’an 710002,Shaanxi,China)

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