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혈액투석을 위한 동정맥루 내 정압 및 전압 측정을 통한 기능 부전의 조기 진단

Other Titles
 Early Detection of Hemodialysis Arteriovenous Fistula Dysfunction with Intra-access Static and Total Pressure Measurement 
 이종훈  ;  박성일  ;  박기일  ;  김유선  ;  안형준  ;  양성자  ;  이상철  ;  윤수영 
 Korean Journal of Nephrology, Vol.26(1) : 73-82, 2007 
Journal Title
 Korean Journal of Nephrology 
Issue Date
Purpose: To detect the dysfunction of arteriovenous fistula (AVF) early, we have developed a new method to calculate the intra-vascular conduit flow rate based on the Bernoulli`s theory. However, this method has limitation on detection of inflow stenosis. For detection of both in- and out-flow stenosis, we tried to measure intra-access static (pS) and total pressure (pT), and compared with angiographic findings. Methods: From a total of 46 cases of native AVFs, of at least 3 months of construction, intra-access pS and pT were measured, before starting hemodialysis. Δp (pT-pS) and pT/mean arterial pressure (MAP) ratio were calculated, and compared with angiographic findings. Results: Among 37 patients without outflow stenosis (Vs) in fistulogram, 10 patients with inflow stenosis (As) had significantly lower pT/MAP ratio and Δp than those without As patients (p<0.005). Among 34 patients without As, Δp was significantly lower in 7 patients with Vs than those 27 patients without Vs (p=0.001). Conclusion: pT/MAP ratio was correlated with As, and Δp reflects Vs in angiography. The measurement of pS and pT might be useful to predict inflow and outflow stenosis of AVFs.
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1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Orofacial Pain and Oral Medicine (구강내과학교실) > 1. Journal Papers
Yonsei Authors
김유선(Kim, Yu Seun) ORCID logo https://orcid.org/0000-0002-5105-1567
박성일(Park, Sung Il)
안형준(Ahn, Hyoung Joon)
윤수영(Yoon, Soo Young)
이상철(Lee, Sang Chul)
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