Color Doppler ultrasound and arteriovenous fistulas for hemodialysis
نویسندگان
چکیده
منابع مشابه
Routine preoperative vascular ultrasound improves patency and use of arteriovenous fistulas for hemodialysis: a randomized trial.
BACKGROUND AND OBJECTIVES Arteriovenous fistulas (AVFs) are the preferred vascular access for hemodialysis but have a considerable failure rate. This study investigated whether routine preoperative vascular ultrasound results in better AVF outcome than physical examination. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS Patients with end-stage kidney disease referred for permanent access forma...
متن کاملMost Important Chronic Complications of Arteriovenous Fistulas for Hemodialysis
The aim of this review was to highlight the most important complications of arteriovenous fistulas (AVFs) for hemodialysis (HD). The quality of vascular access for HD should be suitable for repeated puncture and allow a high blood flow rate for high-efficiency dialysis with minimal complications. The dialysis staff must be well versed in manipulation of the AVF, and there should be a minimal ne...
متن کاملCell proliferation in human arteriovenous fistulas used for hemodialysis.
The long-term patency of arteriovenous (AV) fistulas created for hemodialysis of renal-failure patients is usually measured in months, particularly when polytetrafluoroethylene (PTFE) material is interposed between the artery and vein. This is due to the rapid development of intimal hyperplastic lesions in the anastomosis region of the PTFE graft material with the vein. We studied the prolifera...
متن کاملColor Doppler flow imaging of the superior ophthalmic vein in dural arteriovenous fistulas.
BACKGROUND AND PURPOSE This article evaluates the intracranial venous hemodynamics of dural arteriovenous fistula (DAVF) on the basis of data from color Doppler flow imaging (CDFI) findings of the superior ophthalmic vein (SOV) and discusses the clinical application of the SOV CDFI to the DAVFs. METHODS We examined the diameter, flow direction, flow waveform, and flow velocity of the SOV usin...
متن کاملEvaluation of traumatic groin arteriovenous fistulas with duplex Doppler sonography.
Femoral arteriovenous fistula is a rare complication of percutaneous transfemoral catheterization. We report the duplex Doppler findings of three such cases. Continuous positive diastolic arterial flow, as well as an abnormal venous flow pattern, was observed in all cases. When present, these Doppler spectral changes support the diagnosis of arteriovenous fistula.
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ژورنال
عنوان ژورنال: Journal of Ultrasound
سال: 2014
ISSN: 1876-7931
DOI: 10.1007/s40477-014-0113-6