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Cardiovascular MRI: The Future is Now - Washington Hospital Center

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Limitations of STICH<br />

Crossover in 17% medical arm, 9 % in CABG arm<br />

Small proportion randomized<br />

2 patients per site randomized per year on average<br />

Viability substudy pts. not randomized<br />

Viability testing optional – only ½ of pts. from main trial<br />

Differences in baseline character<strong>is</strong>tics<br />

Limited tests for viability – DSE, SPECT<br />

Binary classification of viability<br />

Revascularization not guided by presence of viability<br />

Small n with nonviability<br />

P Chareonthaitawee et al, JACC Img 2012;5:550-8

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