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Vasc-Alert vascular data analysis software is intended for use by Healthcare professionals in a noncritical care setting for assessment of increased risk of access site stenosis in patients, as an aid for vascular access site management. The software is to be used with data generated from hemodialysis machines manufactured by Fresenius and Cobe/Gambro.

Vasc-Alert is a software program for alerting dialysis center personnel of an increased risk of access site stenosis for individual hemodialysis patients. Vasc-Alert utilizes measurements routinely collected during a dialysis treatment by the hemodialysis machine, such as pressure and flow rate, and applies a previously published algorithm called the Vascular Access Pressure Ratio (VAPR) test to these measurements. The average VAPR test result for each treatment session is stored in a Vasc-Alert database. If a patient has a high reading in three consecutive dialysis sessions, a report is issued to the medical staff indicating that the patient should be examined more closely for the onset of stenosis. Hemodialysis center personnel can use the report as a tool to proactively monitor for incipient stenosis and prompt proactive intervention to avoid site closure. Vasc-Alert comprises five main components or modules: - A module for recording, transferring and parsing data collected by dialysis center machines. - A module for calculating the VAPR values from treatment data. - A module for identifying significant patterns in the calculated VAPR data that will prompt an alert (i.e., 3 high readings in a row for a patient). - A module for generating reports and sending these out to center personnel. - An internet-based data input module.