My humble opinion:<br>A hemodynamically significant stenosis (unless it&#39;s just a string sign) will have an elevation of velocities and associated post-stenotic turbulence.&nbsp; Is that documented in the study?<br>Since the ECA only supplies the brain if it has been recruited as a collateral pathway I would think that a prudent measure might&nbsp; be to evaluate periorbital flow (using evocative compressions of the facial artery and its branches - resembles the Vulcan Mind Probe grip - do you remember Spock did this to an entity and determined that it was in extreme pain? - but I digress) and perhaps due a full TCD exam to evaluate intracranial collateralization.<br>
<br>Steve<br>
<br><div class="gmail_quote">On Mon, Jan 26, 2009 at 1:48 PM, Barb Lemon <span dir="ltr">&lt;<a href="mailto:[log in to unmask]" target="_blank"><a href="/cgi-bin/wa?LOGON=A3%3Dind0901%26L%3DUVMFLOWNET%26E%3Dquoted-printable%26P%3D1366441%26B%3D--0015175770fec0ed97046169f529%26T%3Dtext%252Fhtml%3B%2520charset%3DISO-8859-1%26pending%3D" target="_parent" >[log in to unmask]</a></a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">

Fellow Flownetters!<br>
Has anyone read anything describing TIA or CVA from a high grade ECA stenosis? &nbsp;A physician has stated to me that you can get TIA&#39;s or CVA&#39;s from an ECA with &nbsp;high grade stenosis. &nbsp; ( Right ICA peak 116, Left ICA peak 76 cm/sec) &nbsp;Need some lit to support his claim. &nbsp;I &nbsp;wanted him to change his report &nbsp;from claiming &nbsp;&quot;critical ECA stenosis, &nbsp;&quot; &nbsp;because most PCP&#39;s would send that patient to a vascular surgeon based on that report. &nbsp;Thanks in advance for your help! Barb<br>


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