Dibbets-Schneider, P.

patient score study heart scar tissue therapy imaging 123- spect icd therapy perfusion lv dyssynchrony dyssynchrony marrow baseline tissue month group analysis response heart failure phase defect follow-up signi ficantly signi value failure segment phase sd histogram bandwidth resynchronization therapy placebo group 6 months improvement point class lv function ischemia function arrhythmia placebo death end point responder histogram change number cardiol phase analysis bandwidth injection 3 months scar score resynchronization association implantation ficantly difference cardiomyopathy trial ficant region volume 123- i mibg tracer 6- mo follow-up effect treatment cutoff value speci ficity ejection fraction lvedv table h /m ratio coll cardiol risk strati fication figure cardiology denervation