Methods Access flow was measured by using CVIQ 78 times in 72 patients with hemodialysis. There were 57 Brescia Chimino fistulas and 15 grafts.

• 方法 用彩色流速流量定量(CVIQ)对72个动静脉内瘘进行了78人次流量测定,其中自体血管动静脉内瘘(BresciaChimino内瘘)57个,人造血管内瘘15个。