Junbo Zhang1, Xin Cao2, Guoping Yin2, Jinkun Xu2, Mei Zhu3, Yuhuan Zhang2, Shuifang Xiao1, Jingying Ye2. 1. Department of Otolaryngology, Head and Neck Surgery, Peking University First Hospital, Beijing, China. 2. Department of Otolaryngology, Head and Neck Surgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China. 3. Department of Otolaryngology, Head and Neck Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
Abstract
STUDY OBJECTIVES: To compare the efficiency of a TCM scoring system that includes 3 independent predictors obtained by physical examination, computed tomography, and polysomnography with the standard Friedman staging system that includes only physical examination variables for predicting surgical outcomes in patients with obstructive sleep apnea syndrome who undergo velopharyngeal surgery. METHODS: This prospective study was carried out in 265 patients with obstructive sleep apnea syndrome who underwent velopharyngeal surgery. All these patients were re-examined with polysomnography for evaluation of surgical outcomes at least 3 months after surgery. The efficacies in the surgical outcome prediction of 2 systems were calculated and compared. RESULTS: The overall response rate and cure rate was 63.8% (169/265) and 22.3% (59/265), respectively. There were 32 patients with Friedman stage I, with a response rate and cure rate of 81.3% (26/32) and 28.1% (9/32), respectively, and 70 patients with TCM scores of < 14 with a response rate and cure rate of 91.4% (64/70) and 42.9% (30/70), respectively. Friedman stage and TCM grade were the only 2 factors independently predictive of surgical response (P < .05, odds ratio value = 0.642 and 0.382). The receiver operating characteristic curve analysis for surgical response showed that the area under the curve value was 0.600 for Friedman stage, which was significantly lower than that for TCM grade, 0.718 (P = .005). Apnea-hypopnea index and TCM grade were the only 2 factors independently predictive of surgical cure (P < .05, odds ratio value = 0.981 and 0.465). CONCLUSIONS: Compared with the Friedman staging system, the TCM scoring system was more efficient in selecting proper candidates for velopharyngeal surgery. The main reason may be its better utilization of patients' preoperative information, especially the inclusion of physiological factors. CLINICAL TRIAL REGISTRATION: Registry: Chinese Clinical Trials Register; Name: Clinical Phenotypes and Precise Treatment of Adult OSA (Obstructive Sleep Apnea): A Multicenter Study; URL: http://www.ChiCTR.org.cn/showproj.aspx?proj=21189; Identifier: ChiCTR-ONC-17013132. CITATION: Zhang J, Cao X, Yin G, et al. The significance of better utilization of patients' preoperative information in predicting outcomes of velopharyngeal surgery: a prospective cohort study. J Clin Sleep Med. 2022;18(3):843-850.
STUDY OBJECTIVES: To compare the efficiency of a TCM scoring system that includes 3 independent predictors obtained by physical examination, computed tomography, and polysomnography with the standard Friedman staging system that includes only physical examination variables for predicting surgical outcomes in patients with obstructive sleep apnea syndrome who undergo velopharyngeal surgery. METHODS: This prospective study was carried out in 265 patients with obstructive sleep apnea syndrome who underwent velopharyngeal surgery. All these patients were re-examined with polysomnography for evaluation of surgical outcomes at least 3 months after surgery. The efficacies in the surgical outcome prediction of 2 systems were calculated and compared. RESULTS: The overall response rate and cure rate was 63.8% (169/265) and 22.3% (59/265), respectively. There were 32 patients with Friedman stage I, with a response rate and cure rate of 81.3% (26/32) and 28.1% (9/32), respectively, and 70 patients with TCM scores of < 14 with a response rate and cure rate of 91.4% (64/70) and 42.9% (30/70), respectively. Friedman stage and TCM grade were the only 2 factors independently predictive of surgical response (P < .05, odds ratio value = 0.642 and 0.382). The receiver operating characteristic curve analysis for surgical response showed that the area under the curve value was 0.600 for Friedman stage, which was significantly lower than that for TCM grade, 0.718 (P = .005). Apnea-hypopnea index and TCM grade were the only 2 factors independently predictive of surgical cure (P < .05, odds ratio value = 0.981 and 0.465). CONCLUSIONS: Compared with the Friedman staging system, the TCM scoring system was more efficient in selecting proper candidates for velopharyngeal surgery. The main reason may be its better utilization of patients' preoperative information, especially the inclusion of physiological factors. CLINICAL TRIAL REGISTRATION: Registry: Chinese Clinical Trials Register; Name: Clinical Phenotypes and Precise Treatment of Adult OSA (Obstructive Sleep Apnea): A Multicenter Study; URL: http://www.ChiCTR.org.cn/showproj.aspx?proj=21189; Identifier: ChiCTR-ONC-17013132. CITATION: Zhang J, Cao X, Yin G, et al. The significance of better utilization of patients' preoperative information in predicting outcomes of velopharyngeal surgery: a prospective cohort study. J Clin Sleep Med. 2022;18(3):843-850.
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