Not only did scar tissue retreat -- shrinking 40 % in Ken Milles , and between 30 % and 47 % in other test subjects -- but the patients actually generated new heart tissue . In a study by Dr. Robert Brown , 16 patients with heart failure received stem cell therapy . Within a year , the heart function of the patients in the study markedly improved . ` ` We were surprised by the magnitude of improvement , '' says Bolli . ` ` We would possibly be curing heart failure . It would be a revolution , '' says Bolli .
In a study by Dr. Robert Brown , 16 patients with heart failure received stem cell therapy . Within a year , the heart function of the patients in the study markedly improved . ` ` We were surprised by the magnitude of improvement , '' says Bolli . ` ` We would possibly be curing heart failure . It would be a revolution , '' says Bolli .