TopNews United States | 'Heart shrinking' trial aimed at combating heart failure to begin Irish Independent THE first trial in humans using electricity to shrink the heart of patients suffering from heart failure is about to start. The technique involves electrically stimulating nerves leading up to the heart, with the hope it will reduce and size and ... 'Heart shrinking' trial to combat heart failure to begin Electrical treatment for heart failure to be trialled in humans Liverpool hospital starts pioneering heart treatment using electricity |