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In the context of Venous Reflux studies and peripheral vein mapping studies. Credit: Division of Vascular and Endovascular Surgery UMass Memorial Medical Center (Worschester, MA).

These diagnostic criteria references serve as example references only. Inclusion on the website does not imply any endorsement of these criteria by the IAC Vascular Testing Board of Directors or staff, nor does the IAC take any position with regards to the materials presented. Furthermore, inclusion does not indicate that these criteria comply with accreditation requirements. Individual members are responsible for validating the diagnostic criteria specific to their own vascular laboratories.

List of references for Venous Outcome Measures/Quality of Life Measures.

Through its ongoing evaluation of application data submitted since 1991 as well as feedback collected through surveys of participating facilities on this topic, IAC Vascular Testing (formerly ICAVL) is aware that there is significant inconsistency related to the use of internal carotid artery (ICA) diagnostic criteria. Patients with the same degree of carotid artery disease may have different interpretations and potentially different recommendations for management from different accredited facilities.

IAC Vascular Testing recommends the use of these modified criteria for carotid interpretation at this time. Broad acceptance of this recommendation will enhance the accuracy of the detection of clinically-relevant ICA stenosis and further reduce the variability in grading of ICA stenosis on duplex studies by IAC-accredited vascular labs.