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논문분류	춘계학술대회 초록집
제목	Assessment of Vascular Access Using Ultrasonography (live demonstration)
저자	Eun Jung Kim
출판정보	2022; 2022(1):
키워드
초록	May 26 (Thu) 2022. PG Education 1 Assessment of Vascular Access Using Ultrasonography (live demonstration) The arterio-venous fistula ultrasound : A basic scan 1) Set up : probe selection (7.5-12MHz ) 2) flow volume measurement in brachial artery a) by a transverse scan (B-mode ,color doppler mode) - identify the brachial artery - describe diameter of brachial artery ,its course and its bifurcation into radial and ulnar arteries b) by a longitudinal scan ( pulse wave doppler mode) - select in a region of straight , nontubulent (above 5cm at elbow) - identify the velocity spectrum at the doppler on brachial artery - provide the measurement of the flow rate (obtain 3 measurements to ensure accuracy and average) 3) Scan the anastomosis between radial artery and cephalic vein - examine juxta-anastomotic stenosis 4) Scan the cannulation segment - identify the region where proceed with cannulation - identify its depth from the skin, the diameter of vein and its course - identify its side branch and valve 5) Scan the efferent vein to cephalic arch by a longitudinal and transverse scan in B-mode - describe the outflow channels and its course a) The basilic vein ,via the median cubital vein b) A perforating vein just distal to the elbow which joins the venae commitantes of the brachial artery c) The cephalic vein ,which joins at the subclavian junction under the clavicle - identify which central vein can be directly imaged with ultrasound 6) Report
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