Pulmonary Regional Ventilation-Perfusion Relationships in Chronic Cardiopulmonary Disorders : II. Scintiscanning Method
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概要
- 論文の詳細を見る
This is the study attempting to clarify quantitatively the regional disturbance of ventilation-perfusion relationships in pulmonary diseases. Measurements were made on 7 normal subjects, 16 cases with pulmonary parenchymal diseases and 4 cases with pulmonary vascular diseases. Perfusion and inhalation scintigrams were taken in sitting position and were divided into 9 horizontal zones in order to know relative values of regional pulmonary blood flow (Q) and alveolar ventilation (VA). Cardiac output and minute alveolar ventilation were also obtained at the same time. Using these data, absolute values of regional VA, Q and VA/Q of 9 zones were analyzed from the base to the apex of both lungs. In 7 normal subjects the average regional VA /Q ratio was 0.64 at the base and increasing 1.35 at the apex. In 20 patients the ratio ranged between 0 and 11.2, and even in the parts of parenchymal disorders the ratio was generally higher than normal since the decrease of regional perfusion was more remarkable than that of regional ventilation. Discussions were made on the usefulness as well as limitations of this scintiscanning method in approaching ventilation-perfusion unevenness topographically and quantitatively.
- International Heart Journal刊行会の論文
著者
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Ueda Hideo
2nd Dept. Of Intern. Med. Faculty Of Med. Univ. Of Tokyo
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Ueda Hideo
2nd Div. Dept. Of Intern. Med Faculty Of Med. Univ. Of Tokyo
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Ueda Hideo
Second Dept. Of Intern. Med. University Of Tokyo School Of Med.
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MORINARI Hajime
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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HATANO Shuichi
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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IIO Masahiro
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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MORI Masashi
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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KOIKE Shigeo
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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MURAO Makoto
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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Ueda Hideo
Second Department Of Internal Medicine Faculty Of Medicine University Of Tokyo
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