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Chinese Archives of General Surgery(Electronic Edition) ›› 2016, Vol. 10 ›› Issue (06): 441-444. doi: 10.3877/cma.j.issn.1674-0793.2016.06.014

Special Issue:

• Original Article • Previous Articles     Next Articles

Application of recurrent laryngeal nerve monitoring in lymph node dissection of the central area of differentiated thyroid carcinoma

Qingchang Su1, Guihua Zhang1, Shanping Sun1, Panpan Xie1, Yang Zhang1,()   

  1. 1. Department of Breast and Thyroid Surgery, Liaocheng People's Hospital of Shandong Province, Liaocheng 252000, China
  • Received:2016-01-12 Online:2016-12-01 Published:2016-12-01
  • Contact: Yang Zhang
  • About author:
    Corresponding author: Zhang Yang, Email:

Abstract:

Objective

To explore the value of application of intra-operative recurrent laryngeal nerve monitoring (IONM) in lymph node dissection of the central area (Ⅵ area) of differentiated thyroid carcinoma (DTC).

Methods

One hundred patients suffered from DTC were divided into application group (observation group) and conventional surgery group (control group) with fifty patients in each. Patients in observation group were performed with IONM, as control, other patients in control group were performed on conventional operation without this technology, and then differences of several surgery related indexes between the two groups were compared.

Results

(1) Time used in exposing recurrent laryngeal nerve and lymph node dissection of central area in observation group was (7.5±3.3) min and (15.2±4.8) min in average, (14.0±4.2) min and (21.6±6.1) min in control group respectively, with statistical difference (t= 9.134 5, 5.830 2, both P<0.01). (2) The occurrence rate of temporary injury of RLN in observation group was 2.0% (1/50) and 6.0%(3/50) in control group. The occurrence rate of permanent nerve injury was 2.0% (1/50) in control group and none in observation group, with no statistical difference.

Conclusions

IONM in lymph node dissection of the central area may help to expose RLN more quickly, protect RLN more effectively, reduce the risk of RLN injury, thus it is conformed that application of this technology may have a certain value in lymph node dissection of the central area of DTC. It should be known that any equipment cannot change the high-risk technology as the essence of operation itself, and this technology may be used as efficient assistant for surgeons.

Key words: Thyroid neoplasms, Lymph node excision, Recurrent laryngeal nerve, monitoring

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