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《Practical Preventive Medicine》 2007-02
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Changes of Pulmonary P-wave and Main Pulmonary Artery Diameter in Patients With Pulmonary Heart Disease

WANG Ming-zhen,ZHANG Zhi-jiong, SUN Keying,et al.(The Affiliated Xiangyue Hospital,Hunan Institute of Parasitic Diseases,Yueyang 414000,Hunan,China)  
Objective To understand the association of changes of pulmonary P-wave(PPV) presented on ECG and main pulmonary artery diameter(MPAD) measured by ultrasono-cardiogram(UCG) in patients with pulmonary heart disease(PHD).Methods Data were acquired from 45 patients with PHD examined by ECG and UCG to analyze PPV and MPAD.According to the UCG diagnosis,all PHD patients were assigned into the groups with(26) or without(19) the right ventricular enlargement as compared with normal volunteers(30) identified by health examination.Results As compared with the normal volunteers,patients with PHD had significantly increased MPAD(P0.01);PHD patients with right ventricular enlargement presented higher width of MPAD than patients without MPAD(P0.001);Peak of PPV in PHD patients without heart enlargement was measured higher than the group of patients with right ventricular enlargement(P0.05).Conclusion The changes of PPV on ECG are sensitive and could be applied in diagnosis of PHD without enlargement of right ventricle,moreover,the examination is economical and convenient. Using of UCG to determine MPAD may provide more reliable references in diagnostic work-up of PHD patients with enlarged right ventricle.
【CateGory Index】: R541.5
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