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Dialyzer Blood Flow Less Affects Access Recirculation in Hemodialysis Patients with Higher Access Blood Flow / 日本農村医学会雑誌
Journal of the Japanese Association of Rural Medicine ; : 96-101, 1999.
Article in English | WPRIM | ID: wpr-373675
ABSTRACT
It has been known that access recirculation is positively related to dialyzer blood flow and is negatively related to access blood flow in the vascular access in hemodialysis patients. The present study was designed to examine whether an increase in access recirculation generated by an increase in dialyzer blood flow is related to access blood flow. All patients had native end-to-side arteriovenous anastomoses at the radial site. We measured access recirculation at two different dialyzer blood flow rates (85 and 170 ml/min) using a three-needle technique. Access blood flow rates (mean 668 ml/min ranging from 493 to 1038 ml/min) were measured using Doppler ultrasound sonography. We confirmed that an increase in dialyzer blood flow rate led to an increase in access recirculation (5.4±1.1 vs. 9.9±1.9%, p<0.05), and that access recirculation was negatively related to the access blood flow rate (y=-30.78x+972.20, r=-0.79, p<0.05). We further found a negative correlation between the increase in access recirculation generated by the increase in dialyzer blood flow rate and access blood flow rate (y=-33.88x+821.57, r=-0.75, p<0.05). These results suggested that dialyzer blood flow less affects access recirculation when access blood flow is higher.

Full text: Available Index: WPRIM (Western Pacific) Language: English Journal: Journal of the Japanese Association of Rural Medicine Year: 1999 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: English Journal: Journal of the Japanese Association of Rural Medicine Year: 1999 Type: Article