What is the acceptable flow rate result that should be retested or repeated during access flow testing in a graft?

In the context of access flow testing in a graft, the flow rates are crucial indicators of the efficacy and patency of the graft. A flow rate of 600 or less signifies that the graft may not be functioning optimally, prompting the need for further investigation or intervention. This threshold is established based on clinical guidelines that indicate flow rates below this level could be a sign of complications, such as stenosis or thrombosis, which could jeopardize the patient's access for dialysis.

Maintaining adequate arterial access flow is vital for effective dialysis treatment, as insufficient flow rates can lead to inadequate dialysis and ultimately affect patient outcomes. Hence, identifying and retesting flow rates that fall below the established figure—such as 600—is essential for ensuring that the graft remains patent and functional.

Options above this rate suggest that the graft may be functioning adequately, whereas falling at or below the level indicates the necessity for closer monitoring or potential intervention. Thus, 600 as a cutoff is widely accepted in the healthcare community dealing with vascular access.