期刊
JOURNAL OF VASCULAR ACCESS
卷 23, 期 2, 页码 304-308出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1129729820959910
关键词
Arteriovenous fistula; ultrasound; vascular distensibility; angioplasty
资金
- United States Office of Veterans Affairs [5I01RX002271]
This study used novel open source software based on an ultrasound speckle tracking algorithm to examine the distensibility of the vessel wall before and after two procedures. The results showed that it is technically feasible to measure subtle vessel wall motion changes with high resolution using DICOM ultrasound data.
We used novel open source software, based on an ultrasound speckle tracking algorithm, to examine the distensibility of the vessel wall of the inflow artery, anastomosis, and outflow vein before and after two procedures. An 83-year-old white man with a poorly maturing radio-cephalic fistula received an angioplasty at the anastomosis followed by branch ligation 28 days later. Duplex Doppler measurements corroborated the blood flow related changes anticipated from the interventions. The experimental distensibility results showed that it is technically feasible to measure subtle vessel wall motion changes with high resolution (sub-millimeter) using standard Digital Imaging and Communications in Medicine (DICOM) ultrasound data, which are readily available on conventional ultrasound scanners. While this methodology was originally developed using high resolution radiofrequency from ultrasound data, the goal of this study was to use DICOM data, which makes this technology accessible to a wide range of users.
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