Risk Factors Associated with Postoperative Discomfort After Ambulatory Strabismus Surgery Under General Anesthesia

Jingxia Huang,1,* Jing Lin,2,* Yun Xiong,2 Zhonghao Wang,2 Yanling Zhu,1 Huijing Ye,3 Wenjun Guo1 1Department of Anesthesia, State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, People’s Republic of China; 2Department of Strabismus and Amblyopia, State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, People’s Republic of China; 3Department of Orbital Disease and Ocular Oncology, State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, People’s Republic of China*These authors contributed equally to this workCorrespondence: Wenjun GuoState Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, 54 South Xianlie Road, Guangzhou 510060, People’s Republic of ChinaTel +86 20 87331548Fax +86 20 87334825Email 402385889@qq.comPurpose: The aim of this study was to evaluate postoperative discomfort in patients undergoing ambulatory strabismus under general anesthesia, and to identify risk factors associated with the discomfort.PatientsandMethods: A cross-sectional study was conducted among 210 consecutive patients undergoing ambulatory strabismus under general anesthesia. Postoperative discomfort including nausea, vomiting, dizziness, and headache was recorded and quantified. Univariable and multivariable logistic regression were performed to detect the risk factors associated with postoperative discomfort.Results: Of 210 participants, 199 (94.76%) patients experienced mild discomfort after ambulatory strabismus surgery under general anesthesia, and 31 (14.76%), 11 (5.24%), 60 (28.57%), 23 (10.95%) patients suffered from nausea, vomiting, dizziness, and headache, respectively. A multivariate analysis indicated thatfemale sex, the surgery on inferior rectus, and the surgery on inferior oblique were the independent risk factors for postoperative vomiting while, mild anxiety was the independent risk factor for postoperative dizziness.Conclusion: Patients undergoing ambulatory strabismus surgery tended to experience postoperative nausea and dizziness. Female sex, the surgery on inferior rectus, mild anxiety, and the surgery on inferior oblique were the independent predictors of postoperative discomfort.Keywords: postoperative nausea and vomiting, dizziness, strabismus surgery, ambulatory surgery, related factors