Evaluation of circulating blood volume and vascular permeability in long-term hemodialysis patients -With or without a difference between values measured by Pulse dye-densitometry and calculated using prediction formulas-

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  • Ookawara Susumu
    Department of Internal Medicine, Nishikawa Town Hospital
  • Suzuki Masayuki
    Department of Internal Medicine, Yamagata Prefectural Central Hospital
  • Fukase Sachiko
    Department of Internal Medicine, Yamagata Prefectural Central Hospital
  • Tabei Kaoru
    Division of Nephrology, Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University

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Other Title
  • 血液透析症例における循環血液量および血管透過性の把握方法　　‐Ｐｕｌｓｅ　ｄｙｅ－ｄｅｎｓｉｔｏｍｅｔｒｙによる実測と推測式の差異に関して‐
  • 血液透析症例における循環血液量および血管透過性の把握方法--Pulse dye-densitometryによる実測と推測式の差異に関して
  • ケツエキ トウセキ ショウレイ ニ オケル ジュンカン ケツエキリョウ オヨビ ケッカン トウカセイ ノ ハアク ホウホウ Pulse dye densitometry ニ ヨル ジッソク ト スイソクシキ ノ サイ ニ カンシテ
  • Evaluation of circulating blood volume and vascular permeability in long-term hemodialysis patients
  • -With or without a difference between values measured by Pulse dye-densitometry and calculated using prediction formulas-
  • ―Pulse dye-densitometryによる実測と推測式の差異に関して―

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Abstract

Because there have only been a few reports evaluating the absolute value of circulating blood volume (CBV) in hemodialysis (HD) patients, we measured CBV in 15 HD patients using pulse dye-densitometry (PDD) in this study. We evaluated the correlation between CBV by PDD (CBV-PDD) and the calculated CBV using three prediction formulas (CBV1 : body weight×0.077, CBV2 : body surface area : 2.68, CBV3 : ogawa & fujita method), respectively. Furthermore, we also evaluated differences in calculating the plasma refilling rate (PRR) and mean plasma refilling coefficient (mean Kr) by CBV-PDD or CBV1. First, there was a significant and positive linear correlation between CBV-PDD and CBV1, CBV2 and CBV3 before HD (CBV-PDD vs. CBV1 ; r=0.56, vs. CBV2 ; r=0.60, vs. CBV3 ; r=0.58, p<0.05, respectively) and there was no difference on analysis by Bland-Altman plots. Second, there was no difference between PRR by CBV-PDD and by CBV1 (CBV-PDD ; 86.9±1.8, CBV1 ; 87.9±1.7%), and mean Kr calculated by CBV-PDD and CBV1 (CBV-PDD ; 2.5±0.4, CBV1 ; 2.6±0.4 mL/min/mmHg). Therefore, we concluded that the evaluation of CBV and vascular permeability in HD patients showed almost the same values measured by PDD and calculated by prediction formulas. Therefore, the evaluation of body fluid using either prediction formulas or PDD is clinically useful.

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