一项新的研究发现：冠状动脉旁路手术加上药物治疗对于某些慢性心衰的患者比单纯使用药物治疗的更为获益。
A new study found that coronary artery bypass surgery added to medical therapy for selected chronic heart failure patients offered benefits over medical therapy alone.
罗德岛2007年的一项研究调查了刚刚做完冠状动脉绕道手术的男女各30名患者，并跟踪了医生给他们开的药物。
A 2007 Rhode Island study looked at 30 men and 30 women who had just had coronary-artery bypass surgery and tracked the medications they were given.
研究人员表示之所以选择研究冠状动脉搭桥术，是因为它是最常见的心脏手术，同时有完善的手术协议。
Coronary artery bypass graft surgery was studied because it's the most common heart surgery and because there are well-established protocols for the surgery, the researchers said.
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