EFFECTS OF VASODILATORS ON PULMONARY VENOUS AND MITRAL FLOW VELOCITY PATTERNS IN PATIENTS WITH CONGESTIVE HEART FAILURE
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概要
- 論文の詳細を見る
To characterize abnormalities in pulmonary venous flow velocity patterns and to explore the changes in these patterns following short-term (3 to 14 days) administration of vasodilators, pulmonary venous and mitral flow velocity patterns were serially studied at congestive heart failure and after vasodilator administration in 18 patients. Peak mitral early diastolic filling velocity (E) and the ratio of E to peak filling velocity at atrial contraction (E/A) consistently decreased after vasodilator administration by 30±4 cm/s and 0.74±0.13 (mean ± SD), respectively. Peak pulmonary venous diastolic forward flow velocity also decreased by 29±4 cm/s. However, changes in peak pulmonary venous systolic forward flow velocity (S, cm/s) did not correlate with changes in E, the E/A ratio, or D (peak pulmonary venous diastolic forward flow velocity). Thus, when patients were divided into two groups on the basis of changes in S, indices of left ventricular systolic performance, such as end-systolic dimension and fractional shortening, improved more in the group which showed an increase in S after vasodilator administration than in the group which showed a decrease in S (-7±6 vs -1±4 mm, p<0.05; 8±6 vs -1±4%, p<0.05). Although the mitral flow velocity pattern changed uniformly with vasodilator administration in patients with mild to moderate congestive heart failure, the changes in pulmonary venous flow velocity patterns were not uniform among patients. Pulmonary venous flow velocity patterns appear to reflect changes in left ventricular systolic performance in addition to those in left ventricular diastolic performance.
- 社団法人日本循環器学会の論文
- 1993-09-20
著者
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Kamada Takenobu
The First Department Of Medicine And The Department Of Medical Information Science
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Tanouchi Jun
Osaka Acute Coronary Insufficiency Study (oacis) Group:osaka Rosai Hospital
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Tanouchi Jun
大阪労災病院 循環器科
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Tanouchi Jun
大阪大学 第1内科
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Kamada Takenobu
1st Dept. Of Med. Medical School Osaka University
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JUNG-MYUNG LEE
The First Department of Internal Medicine, Osaka University School of Medicine
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MASUYAMA TOHRU
Kaizuka Municipal Hospital
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NAGANO REIKO
Kaizuka Municipal Hospital
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YAMAMOTO KAZUHIRO
Kaizuka Municipal Hospital
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NARIYAMA KAZUNORI
The First Department of Internal Medicine, Osaka University School of Medicine
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TANOUCHI JUN
Kaizuka Municipal Hospital
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HORI MASATSUGU
Kaizuka Municipal Hospital
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KAMADA TAKENOBU
Kaizuka Municipal Hospital
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Jung-myung Lee
The First Department Of Internal Medicine Osaka University School Of Medicine
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Nariyama Kazunori
The First Department Of Internal Medicine Osaka University School Of Medicine
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