Improving Outcome of Superior Mediastinal Lymph Node Dissection During Esophagectomy A Novel Approach Combining Continuous and Intermittent Recurrent Laryngeal Nerve Monitoring

被引:15
作者
Wong, Ian Y. H. [1 ]
Zhang, Rui Qi [1 ]
Tsang, Raymond K. Y. [1 ]
Kwok, Jeanette Y. Y. [1 ]
Wong, Claudia L. Y. [1 ]
Chan, Desmond K. K. [1 ]
Chan, Fion S. Y. [1 ]
Law, Simon Y. K. [1 ]
机构
[1] Univ Hong Kong, Dept Surg, Hong Kong, Peoples R China
关键词
esophageal cancer; esophageal squamous cell carcinoma; lymphadenectomy; nerve monitoring; recurrent laryngeal nerve; vocal cord palsy; PARALYSIS;
D O I
10.1097/SLA.0000000000005096
中图分类号
R61 [外科手术学];
学科分类号
摘要
Objective: This study aimed at demonstrating the effects and learning curve of utilizing combined intermittent and continuous recurrent laryngeal nerve (RLN) monitoring for lymphadenectomy during esophagectomy. Background: RLN lymphadenectomy is oncologically important but is technically demanding. Vocal cord (VC) palsy as a result from RLN injury, carries significant morbidities. Methods: This is a retrospective study of consecutive esophageal squamous cell carcinoma (ESCC) patients who underwent transthoracic esophagectomy from 2010 to 2020. Combined nerve monitoring (CNM) included: CNM which involved a periodic stimulating left vagal electrode and intermittent nerve monitoring which utilized a stimulating probe to identify the RLNs. The integrity of the RLNs was assessed both intermittently and continuously. This technique was introduced in 2014. Patients were divided into "before CNM" and "CNM" groups. The primary outcome was the difference in number of RLN lymph nodes harvested and VC palsy rate. Learning curves were demonstrated by cumulative sum (CUSUM) analysis. Results: Two hundred and fifty-five patients were included with 157 patients in "CNM" group. The mean number of RLN lymph nodes harvested was significantly higher (4.31 vs 0.45, P < 0.0001) for the "CNM" group. VC palsy rates were significantly lower (17.8% vs 32.7%, P = 0.007). There was an initial increase in VC palsy rate, peaked at around 46 cases. The increase in lymph nodes harvested above the mean plateaued at around 96 cases. Conclusions: CNM helped improve bilateral RLN lymphadenectomy. Lymph node harvesting was increased with reduction of VC palsy after a learning curve.
引用
收藏
页码:736 / 742
页数:7
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