Autologous Bone Marrow Transplanted Via Transendocardial Catheter to Chronic Myocardial Infarct Border Zone

Inclusion Criteria: * Must be 18 years of age or older * Able to give informed consent * Must have documentation of prior myocardial infarction with left ventricular ejection fraction of less than 40 percent at baseline * Must be a candidate for percutaneous heart catheterization * Must have identifiable area of transmural scar within the left ventricle Exclusion Criteria: * Be a candidate for concurrent ventricular surgical restoration, AICD placement or valvular surgery * Clinical evidence of infection * Other complicating cardiovascular abnormalities * Clinically significant electrocardiographic abnormalities * Active malignancy * Recent history or drug or alcohol abuse * Pregnancy, planned or current * Artificial aortic valve * Ejection fraction less than 30 percent at baseline * Myocardial infarction in the past 4 weeks