Presystolic Pulmonary Valve Opening in Constrictive Pericarditis

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概要

• 論文の詳細を見る

• Right heart pressure tracings were studied in 5 cases with constrictive pericarditis. The pressure of the A-wave in the right atrium of these cases was higher than the pulmonary arterial diastolic pressure. In addition, a presystolic wave appeared in the pulmonary arterial and the right ventricular pressure tracings, in coincidence with atrial systole. The pressure of this presystolic wave was similar to that of the right atrial A-wave. This suggests that the pulmonary valve opens following atrial systole, and then the blood flows into the pulmonary artery in the presystolic phase in patients with constrictive pericarditis.In 2 of these cases, pulmonary valve echograms were recorded. The a-dip in these 2 cases was as deep as 8.4mm and 9.6mm (1.8-4.1mm with a mean of 2.80mm for normal men), and its duration was prolonged to 0.17sec and 0.18sec (0.10-0.13sec with a mean of 0.115sec for normal men). In conclusion, such a deep and prolonged a-dip on pulmonary valve echogram is presumably a sign of presystolic pulmonary valve opening.

• International Heart Journal刊行会の論文

著者

• Takeuchi Kazuhide

  First Department of Internal Medicine Osaka City University Medical School

• OKU HISAO

  First Department of Internal Medicine, Osaka City University Medical School

• Tanaka Chujiro

  The First Department of Internal Medicine Osaka City University Medical School

• Tanaka Chujiro

  First Department of Internal Medicine, Osaka City University Medical School

• Ikuno Yoshiyasu

  First Department of Internal Medicine, Osaka City University Medical School

• Nishimoto Masaki

  First Dep't of Internal Medicine, Osaka City Univ. Medical School

• KAWAI Seiki

  First department of Internal Medicine,Osaka City University Medical School

• Tanaka Chujiro

  2nd Dept. Of Intern. Med. Faculty Of Med. Univ. Of Tokyo

• Oku Hisao

  First Department Of Internal Medicine Osaka City University Medical School

• Tanaka Chujiro

  2nd Dept. Of Med. Univ. Of Tokyo

• FUKUKAWA Kohtaro

  First Department of Internal Medicine, Osaka City University Medical School

• NISHIMOTO Masaki

  First Department of Internal Medicine, Osaka City University Medical School

• KAWAI Seiki

  First Department of Internal Medicine, Osaka City University Medical School

• TAKEUCHI Kazuhide

  First Department of Internal Medicine, Osaka City University Medical School

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