1 988条喉返神经的术中观察

目的观察喉返神经与甲状腺下动脉的关系,探讨避免因显露而造成喉返神经医源性损伤的预防措施.方法回顾研究我科收治的1345例显露喉返神经的甲状腺手术患者的病历资料.结果共显露喉返神经1988条,左侧874条、右侧1114条(2条为“非返性喉返神经”).左侧喉返神经主干位于甲状腺下动脉之前、之后和动脉分叉之间的比例分别为32.8%、26.7%和41.6%;右侧分别为36.2%、28.2%和35.3%.医源性损伤6例,暂时性损伤4例,永久性损伤2例.结论尽管喉返神经与甲状腺下动脉的关系不恒定,但经验丰富、熟悉喉返神经解剖特点的医师,术中耐心的显露和辨认可以避免喉返神经的医源性损伤.

Intraoperative Study of 1 988 Recurrent Laryngeal Nerves

Objective To study the anatomical relationship between the recurrent laryngeal nerve(RLN)and the inferior thyroid artery,to investigate the prophylactic measures on how to avoid iatrogenic injures while exposing the RLN during thyroid operation.Methods Retrospectively reviewed the clinical data of 1 345 patients accepted thyroid operation with RLN exposing.Results A total of RLN 1 988 were observed,874 on the left and 1 114 on the right(including 2 non-recurrent laryngeal nerve).On the left side,the nerve passed anterior to the artery in 32.8%,posterior to it in 26.7%,and between the branches of the artery in 41.6%.On the left side,the nerve was found coursing anterior to the artery in 36.2%,posterior to it in 28.2%,and between the branches in 35.3%.6 nerves were iatrogenic injured,4 cases were temporary injured and 2 were permanent.Conclusions Although the anatomical relationship between the RLN and the inferior thyroid artery are variable,iatrogenic injures of the nerve can be avoid by exposing it,and an experienced surgeon with good knowledge of RLN anatomical characteristics and skilled surgical techniques was needed.