Fractional flow reserve

<p>Oct 20, 2014 11:56 PM</p>

<p>

v easy: <b> pressure distal to stenosis divided by</b>

<b> pressure proximal to stenosis</b>.....</p>

<p>

so FFR of 0.8 means a 20% drop in BP.</p>

<p>

induce hyperemia with adenosine or papaverine. &nbsp;then do pullback.</p>

<p>

DEFER study: &nbsp;stenting of arteries with FFR of > 0.75 did not help...</p>

<p>

&nbsp;</p>

<p>

&nbsp;

&nbsp;</p>