A Literature Review of Factors Related to Postoperative Sore Throat

Yuta Mitobe, Yuri Yamaguchi, Yasuko Baba, Tomomi Yoshioka, Kenji Nakagawa, Takeshi Itou, Kiyoyasu Kurahashi


Postoperative sore throat can occur as a complication in patients who have undergone surgery under general anesthesia. The incidence of postoperative sore throat ranges from 12.1% to 70%, and its effects include damage to the epithelium and mucosal cells caused by airway securement, damage to the vocal cords, congestion, blood clots, and factors such as an inappropriately large tube, cuff shape, cuff pressure, and airway securement. Notably, there are individual differences in pain thresholds, and the sensation of pain is affected by mental states, such as anxiety, and varies from person to person. Therefore, we conducted a literature review using PubMed to clarify patient factors related to the development of postoperative sore throat. The extracted keywords were postoperative sore throat, anesthesia, and patient factors. We found 16 articles that met our search criteria. We expanded the search period and retrieved 19 cases from 1990 to 2020. We also included references that were judged to be closely related to the list of citations of the retrieved references. The study designs included were randomized controlled trials, clinical trials, meta-analyses, reviews, and systematic reviews. The results showed that female sex, smoking, and age were the most common patient factors. However, we could not find any literature that studied the relationship between postoperative sore throat and mental states such as anxiety.

J Clin Med Res. 2022;14(2):88-94
doi: https://doi.org/10.14740/jocmr4665


Postoperative sore throat; Anesthesia; Patient factors

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