腎動脈造影像の解析に関する研究 : I 腎動脈径と腎血流量について

概要

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Suwa et al. confirmed a positive correlation between the blood flow and arterial radius by means of the measurements on arterial casts. They proved that arterial blood flow was expressed in the form of Q=qr^n, where Q Was mean arterial blood flow in ml/sec., r was radius of an artery branch in μ, q was an organ specific correlation coefficient and in kidney it was 4.4×10^<-9> ml/sec., and n was almost invariable value in all arterial system and was approximately 2.7. Renal blood flow computed by the theoretical formula of Suwa et al. is studied as to whether clinically useful or not, when radius of the renal artery is calculated on the basis of renal arteriogram and the results are as follws; 1. In adult dogs, renal blood flow, Q, computed by this formula is disitinctly correlated with the value directly measured with a squre-wave electromagnetic flow-meter. 2. In 29 clinical cases, 19 pyelographically normal cases and 10 cases with oraganic renal disease, Q is correlated with ERPF, ERBF and Ccr. In conclusion, it is clarified that the formula of Suwa et al. can be applied to clinical cases and total renal blood flow can be computed by this formula, if it is possible to measure radius of the renal artery on the renal arteriogram.
社団法人日本泌尿器科学会の論文
1974-07-20