heart transplantation

例句：

1. 1. The patient underwent heart transplantationto improve his quality of life.
   这名患者接受了心脏移植手术以改善他的生活质量。
2. 2.Heart transplantation is a complex procedure thatrequires careful monitoring.
   心脏移植是一项复杂的程序，需要仔细监测。
3. 3. The success rate forheart transplantation has improved significantly in recentyears.
   近年来，心脏移植的成功率有显著提高。