Journal of Otolaryngology and Ophthalmology of Shandong University ›› 2020, Vol. 34 ›› Issue (6): 77-81.doi: 10.6040/j.issn.1673-3770.0.2020.043

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Improvement of the sniffing position for microlaryngoscopic surgery with a self-retaining laryngoscope

GU Xiaona1,2, CHENG Xiangrong1,2, ZHANG Peng1,2, ZHU Liang1,2, TENG Hua1,2, WANG Yong1,2, HU Xiaoyan1,2,   

  1. LIU Xiaojing1, 21. Department of Otolaryngology, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, Jiangsu, China;
    2. Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu, China
  • Published:2021-01-11

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Abstract: Objective To explore the advantages of the sniffing position during exposure to the surgical field in microlaryngoscopic surgery with a self-retaining laryngoscope. Methods Sixty patients with voice disorders who were enrolled for microlaryngoscopic surgery with a self-retaining laryngoscope under general anesthesia were selected and randomly divided into two groups: the sniffing position group(group A)and the horizontal recumbent position group(group B). Thirty patients were in each group. The time to glottis exposure and VAS scores for postoperative laryngeal pain, tongue numbness, pharyngeal or laryngeal mucosal injury and intraoperative or postoperative tooth injury were observed and recorded in all patients. The exposure of the visual field during the surgery was evaluated. Results (1) The time to glottis exposure was significantly shorter in group A(2.42±1.04 minutes)than in group B(3.20±0.95 minutes), and the difference was statistically significant(P<0.05). (2) Surgical complications: the VAS scores for postoperative laryngeal pain was significantly lower in group A than in group B(P<0.05). The incidence of pharyngeal or laryngeal mucosal injury was significantly lower in group A(6.7%)than in group B(30.0%). Postoperative tongue numbness and intraoperative or postoperative tooth injury did not occur almost. Overall, the postoperative recovery of group A was better, and surgical complications were less compared with those in group B. Conclusion Compared with the horizontal recumbent position, the sniffing position is more conducive for glottis exposure in microlaryngoscopic surgery using a self-retaining laryngoscope, as it takes less time and causes fewer surgical complications.

Key words: Sniffing position, Self-retaining laryngoscope, Exposure of glottis, Microlaryngoscopic surgery

CLC Number: 

  • R767
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