整形外科と災害外科
Online ISSN : 1349-4333
Print ISSN : 0037-1033
ISSN-L : 0037-1033
水素クリヤランス法による脊髄組織血流量の実験的測定
坂上 譲二酒勾 崇森園 良幸吉永 一春鈴木 悠史室屋 誠米 和徳日高 博文藤善 卓郎
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1982 年 31 巻 1 号 p. 131-134

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Regional spinal cord blood flow (S. C. B. F.) was determined in rabbits by hydrogen clearance method. During the measurements, systemic arterial blood pressure and Paco2 were maintained within the nomal limit. After laminectomy at the thoracic region, a platinum electrode, 100μm in diamiter, was inserted from 1mm to 2mm deep into the spinal cord.
The mean value of S. C. B. F. was 30.2±1.3ml/100gm/min in the gray matter and 15.6±0.5 in the white matter respectively.
There were no remarkable changes in S. C. B. F. while the blood pressure was maintained in the range of 60 to 130mmHg. The value of S. C. B. F., however, showed changes above 130mmHg or below 60mmHg.
S. C. B. F. was affected remarkably by the change of Paco2, showing a linear increase with the increase of Paco2.

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