valve-preserving aortic root repair
noun [ U ] medical specialized uk/vælv.prɪˌzɜːv.ɪŋ eɪˌɔː.tɪk ˈruːt rɪˌpeər/ us/vælv.prɪˌzɝː.vɪŋ eɪˌɔr.t̬ɪk ˈruːt rɪˌper/
瓣膜保留主动脉根部重建
an operation to replace a section of the aorta (= the largest blood vessel) at a point where it leaves the heart, but keeping the heart valve
In valve-preserving aortic root repair an artificial graft is used to replace the damaged section of the aorta. 在瓣膜保留主动脉根部重建术中，一根人工血管支架被置入，取代主动脉受损的部分。