1. Catecholamines and Hemodynamic Changes in Hypertension
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概要
- 論文の詳細を見る
In order to evaluate a role of sympathetic nervous system in pathologic physiology of essential hypertension, an effect of autonomic ganglion blockade and noradrenaline on systemic and digital hemodynamics was observed in 55 normotensive subjects, 102 patients with essential hypertension and 18 patients with hypertension caused by glomerulonephritis (renal hypertension). Under basal condition, digital blood flow (DBF) was lowered, and digital (DVR) and total peripheral resistance (TPP) were elevated uniformly in both essential and renal hypertensives. Following the administration of hexamethonium, the increase of DBF and the decrease of DVR were significantly greater in essential hypertensives than in normotensives. These changes tended to be less remarkable in older individuals. Responses to noradrenaline were examined after the pretreatment of hexamethonium. Compared with the normotensive subjects, the elevation of DVR and TPR and the reduction of DBF was significantly greater, and the de-crease of cardiac index (CI) was observed in essential hypertensives. The majority of renal hypertensives showed the increase of DBF and CI, and no significant change in DVR and TPR. In contrast to noradrenaline, angiotensin 11 induced uniform changes of systemic and digital hemodynamics in normotensives and two hypertensive groups, i. e., the decrease of CI and DBF and the increase of DVR and TPR. Based on these findings, relationship between essential hypertension and sympathetic nervous tone was discussed. Coworkers; Dr. Osamu Iimura, Dr. Hisao Abe, Dr. Tsuyoshi Kikuiri, Dr. Tadashi Ueda, Dr. Ichiro Hirano. Dr. Takeshi Agata, Dr. Kenj Inami and Dr. Atushi Mukai.
- 社団法人日本循環器学会の論文
- 1966-02-20
著者
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Miyahara Mitsuo
Depart Nent Of Inlernal Medicine (seclion Ii) Sapporo Medical College
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Miyahara M.
Department Of Internal Medicine Sapporo Medical College
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