Dialysis needle hemodynamics in arterio-venous fistulae: A technical report

被引：5

作者：

Tuka, Vladimir ^{[1
,2
]}

Wijnen, Edwin ^{[4
]}

van der Sande, Frank M. ^{[4
]}

Tordoir, Jan H. M. ^{[3
]}

机构：

[1] Charles Univ Prague, Gen Univ Hosp, Dept Internal Med 3, Prague, Czech Republic

[2] Charles Univ Prague, Fac Med 1, Prague, Czech Republic

[3] Univ Hosp Maastricht, Dept Surg, Maastricht, Netherlands

[4] Univ Hosp Maastricht, Div Nephrol, Dept Internal Med, Maastricht, Netherlands

来源：

JOURNAL OF VASCULAR ACCESS | 2009年 / 10卷 / 03期

关键词：

Dialysis needles; Doppler ultrasonography; Hemodynamics; Vascular access; VENOUS NEEDLE; HEMODIALYSIS; DYSFUNCTION; GRAFTS; STRESS;

D O I：

10.1177/112972980901000304

中图分类号：

R6 [外科学];

学科分类号：

1002 ; 100210 ;

摘要：

Background: Vascular access is the lifeline for end-stage renal disease patients needing hemodialysis treatment. For dialysis treatment two needles are placed into the vascular access. Few studies on needle hemodynamics have been published. Methods: We investigated needle hemodynamics by means of Doppler ultrasonography, both in B-mode and in pulsed Doppler mode. Results: Direct visualization of the needles, turbulence around the arterial needle and blood flow jet from the venous needle are presented. Conclusions: Ultrasound investigation of the hemodynamics of the dialysis needles is feasible. The extreme blood flow jet through the arterial needle was directed in all patients to the anterior vessel wall. (J Vasc Access 2009; 10: 157-9)

引用

页码：157 / 159

页数：3

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