The Randomized Evaluation of Mechanical Assistance for the Treatment of Congestive Heart Failure Study Group assigned 129 NYHA class IV patients to receive an LVAD or optimal medical management alone.

• 该试验随机分组，受试者为129名充血性心衰竭患者，根据NYHA分级确定为第四期心衰竭，对照组接受最佳的传统治疗，实验组除接受传统治疗外，另加LVAD治疗。