Resting Full-Cycle Ratio versus Fractional Flow Reserve: A SWEDEHEART-Registry-Based Comparison of Two Physiological Indexes for Assessing Coronary Stenosis Severity

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left" colspan="2"><i>Vessels</i></td></tr><tr><td class="align_left">LAD</td><td class="align_center">98 (49.0%)</td></tr><tr><td class="align_left">RCA</td><td class="align_center">41 (20.5%)</td></tr><tr><td class="align_left">LCX</td><td class="align_center">57 (28.5%)</td></tr><tr><td class="align_left">LM</td><td class="align_center">4 (2.0%)</td></tr><tr><td class="align_left" colspan="2"><hr/></td></tr><tr><td class="align_left" colspan="2"><i>Physiological measurements</i></td></tr><tr><td class="align_left">FFR</td><td class="align_center">0.81 ± 0.09</td></tr><tr><td class="align_left">RFR</td><td class="align_center">0.88 ± 0.08</td></tr><tr><td class="align_left">FFR ≤0.80</td><td class="align_center">89 (44.5%)</td></tr><tr><td class="align_left">RFR ≤0.89</td><td class="align_center">95 (47.5%)</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div><i>Note.</i> Values are expressed as mean ± SD or as <i>n</i> (%). FFR, fractional flow reserve; LAD, left anterior descending artery; LCX, left circumflex artery; LM, left main; RCA, right coronary artery; RFR, resting full-cycle ratio.<br/></div></td></tr></table>

<div>Lesion characteristics (<i>n</i> = 200 lesions).</div>

Journal of Interventional Cardiology

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Table 2

Table 2: Resting Full-Cycle Ratio versus Fractional Flow Reserve: A SWEDEHEART-Registry-Based Comparison of Two Physiological Indexes for Assessing Coronary Stenosis Severity 

Table 2 | Resting Full-Cycle Ratio versus Fractional Flow Reserve: A SWEDEHEART-Registry-Based Comparison of Two Physiological Indexes for Assessing Coronary Stenosis Severity 