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A Neural Integrity Monitor Electromyography Endotracheal Tube Causes More Severe Postoperative Sore Throat Than a Standard Endotracheal Tube in Adults: A Prospective Cohort Study

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Abstract

Background

This study aimed at figuring out the different effects of a neural integrity monitor electromyography endotracheal tube (NIM-EMG-ETT) and a standard endotracheal tube (ETT) on postoperative sore throat (POST).

Methods

This prospective cohort study enrolled 143 patients scheduled to undergo general anesthesia with endotracheal intubation. Patients were allocated into three groups: Group A, non-thyroid surgery with a standard ETT; Group B, thyroid surgery with a standard ETT; Group C, thyroid surgery with a NIM-EMG-ETT. The incidence, the severity and visual analog scale (VAS) of POST were recorded. The incidence and the severity of POST were tested by χ2 test or Fisher’s exact test. And VAS of POST was tested by Kruskal–Wallis test.

Results

The incidences of POST in Group B and Group C were significantly higher than that of Group A at all the time points after extubation (P < 0.001). The incidences of POST in Group C was significantly higher than that in Group B at 8 h, 24 h and 48 h after extubation (89.4% vs. 68.8%, P = 0.014, relative risk (RR) 1.30, 95% confidence interval (CI) 1.05–1.61; 89.4% vs. 58.3%, P = 0.001, RR 1.53, 95% CI 1.18–1.98; 76.6% vs. 45.8%, P = 0.002, RR 1.67, 95% CI 1.18–2.36). Moreover, there was a significant higher VAS of POST and more serious POST with Group C than with Group B.

Conclusions

A NIM-EMG-ETT may induce higher incidence of POST and more serious POST than a standard ETT.

Trail Registration

Chinese Clinical Trail Registry (http://www.chictr.org.cn/index.aspx, ChiCTR2200058896, 2022-4-18).

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Acknowledgements

Shanghai 6th Peoples’ Hospital Affiliated to Shanghai Jiao Tong University, China (ynhg202213), had supported this research.

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Authors and Affiliations

  1. Department of Anesthesiology, Shanghai 6th Peoples Hospital Affiliated to Shanghai Jiao Tong University, NO.600, Yishan Road, Xuhui District, Shanghai, China

    Xi Liu, Xiaoxiao Chen, Zhenghuan Rao & Aizhong Wang

  2. Department of Anesthesiology, Shanghai Ocean University, No.999, Huchenghuan Road, Nanhui New City, Shanghai, China

    Zhongliang Cheng

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  1. Xi Liu
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  3. Xiaoxiao Chen
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Correspondence to Aizhong Wang.

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Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

Informed consent was obtained from all individual participants included in the study. This study was approved by the ethical committee of Shanghai 6th Peoples’ Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China (Chairperson Weiping Jia), on 9 May 2022 (2022-KY-037K).

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Liu, X., Cheng, Z., Chen, X. et al. A Neural Integrity Monitor Electromyography Endotracheal Tube Causes More Severe Postoperative Sore Throat Than a Standard Endotracheal Tube in Adults: A Prospective Cohort Study. World J Surg 47, 2409–2415 (2023). https://doi.org/10.1007/s00268-023-07092-4

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