---
title: "Why Surveillance is Important: 9 Ways that Surveillance Assures Dialysis Adequacy"
description: Nine ways surveillance assures your patients are receiving adequate dialysis.
image: https://blog.transonic.com/hubfs/GettyImages-639108104.jpg
---

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# Why Surveillance is Important: 9 Ways that Surveillance Assures Dialysis Adequacy

By [Susan Eymann, MS](https://blog.transonic.com/hemodialysis/author/susan-eymann-ms)13 Mar 2019

*“Any access recirculation is abnormal. Recirculation … should have prompt investigation of its cause.* *… If access recirculation values exceed 20%, correct placement of needles ![surveillance assures dialysis adequacy](https://blog.transonic.com/hs-fs/hubfs/GettyImages-639108104.jpg?width=300&name=GettyImages-639108104.jpg)should be confirmed before conducting further studies.”* http://www.kidney.org/professional/KDOQI/guidelineñupHDñVA/index.htm

[The Transonic Hemodialysis Monitor ](https://blog.transonic.com/hd03-hemodialysis-monitor)helps to optimize efficient dialysis delivery through measurement of delivered pump blood flow and recirculation. Use of these measurements guarantee efficient and effective hemodialysis (dialysis adequacy) by:

1. Testing calibration of the blood pump;
2. Verifying true delivered blood flow and compares delivered blood flow
3. Comparing delivered blood flow to pump setting to identify flow disparity and avoid underdialysis. If disparity is significant, Flow-QC® assists in determining cause (blood pump calibration versus inflow restriction/excessive pre-pump negative arterial pressure);
4. Detecting and quantifying access recirculation in AV access and catheters;
5. Identifying inadvertent reversal of dialysis lines to prevent recirculation and/or underdialysis;
6. Confirming proper needle placement;
7. Identifying sources of large negative arterial blood line pressure

(and its resulting underdialysis);

1. Determining the most appropriate blood pump setting for a low flow access when it is not feasible to increase access flow;
2. Measuring delivered flow and recirculation to help maximize catheter function.

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###### Reference:

###### Spergel LM, “Transonic Flow Surveillance: The Cornerstone of My Vascular Access Management Program (VAMP©)î or Clinical Applications of the Transonic Flow Monitor in the Hemodialysis Facility. (Transonic Focus Note # HD58)

 

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