Times LIVE | Viagra is no help against heart failure: study Times LIVE Some early research had suggested the drug, which can increase blood flow to other parts of the body, might offer a benefit to people with diastolic heart failure in which the heart's lower chambers stiffen and cannot pump blood well, causing shortness ... Viagra No Help in Heart Failure Sildenafil falls short for heart failure with preserved ejection fraction Viagra Has No Impact On Exercise Capacity For Those With Heart Failure |