However, the Coronary Artery Bypass Graft (CABG)-Patch Trial showed no improved survival in patients with prophylactic ICDs implanted at the time of elective revascularization.

• 但是，冠状动脉绕道手术临床试验计画(CABG)则指出，若在血管再造手术时植入ICD作为预防，患者的存活率并不会有改善的现象。