The new analyzes also show the ability of the CRT to prevent or slow the progression of the disease in patients with mild heart failure.By Prof . Cecilia Linde, of the Karolinska University Hospital, Stockholm, Sweden, guided and supported by Medtronic , REVERSE first large-scale first large-scale, Besided, double – blind study to CRT in mildly symptomatic heart failure patients or asymptomatic patients evaluated before heart failure symptoms. The positive results we are seeing from CRT in patients with mild heart failure similar to those with advanced disease with advanced disease studied in previous studies, said Professor When we started the REVERSE study, we found patients had mild patients had mild symptoms and were treated well with recommended drug therapies, their hearts do not function very well in the left ventricle These patients need treatment options beyond medication, such as CRT . The one-year results showed an overall low of 3.8 percent) and re-intervention (2, The definite stent thrombosis was 0.8 % after one year, what with this the safety data from other DES registries. ‘s expanded use of complex patient population were the rates of stent – related composite cardiac events and stent thrombosis 4.3 % and 0.9 %.7 %.