Previous studies by many in-vestigators, including our group, have shown thatrevascularization of viable but dyssynergic my-ocardiumresultsinsubstantialimprovementofLVglobal and regional systolic function,11,16,17vol-umes and geometry,13and diastolic function.12However, the behavior of MPI in hibernating my-ocardium, and its relation to LV functional im-provement after revascularization, has not b