In 102 cases whose RLNs were anastomosed to ansa cervicalis,and adductory motion of the glottis was observed in 78 cases. 97%(134/138) cases had normal voice back.

• 但上述3种术式除喉返神经端端吻合1例、颈袢喉返神经吻合3例外,其余患者发声时声带均处于正中位,声门闭合良好,后联合裂隙不明显,97%25(134/138)嗓音恢复正常。