經(jīng)第4肋間或第5肋骨均可獲得滿意的顯露。圖中注意:①喉返神經(jīng)繞過動(dòng)脈韌帶而返回頸部,動(dòng)脈導(dǎo)管未閉手術(shù)時(shí)可能牽拉或切傷喉返神經(jīng)造成聲音嘶啞;②迷走神經(jīng)向下至肺門,手術(shù)時(shí)傷及迷走神經(jīng)分支有時(shí)會(huì)影響心率;③動(dòng)脈韌帶的遠(yuǎn)    （共 194 字）     [閱讀本文] >>