It is well known that the left internal mammary artery (LIMA) should be the first conduit of choice. Similarly, especially in patients younger than 70 years, other conduits should be search among arterial grafts, such as right internal mammary artery (RIMA) or radial artery (RA). If the RA can be harvested in the meanwhile of LIMA harvesting without time consuming, it is well established that former one has to be grafted only on presence of a good run-off. One of the main criticisms moved to the use of RIMA are linked to technical difficulties in its harvesting it.

中文翻译：

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不管发生什么，两个乳房总比一个好

众所周知，左乳内动脉 (LIMA) 应该是首选的导管。同样，尤其是对于 70 岁以下的患者，应在动脉移植物中寻找其他导管，例如右乳内动脉 (RIMA) 或桡动脉 (RA)。如果 RA 可以在 LIMA 收获的同时不费时地收获，那么前一个必须在良好的径流下进行嫁接。对使用 RIMA 的主要批评之一与收获它的技术困难有关。