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| Comparison of Clinical Efficacy and Prognosis between Vocal Cords Polyp assisted by Self-retaining Laryngoscope and Fiberolaryngoscope |
| LI Xinlong, YANG Changguo |
| Chang'an Hospital of Xi'an, Shaanxi Xi'an 710016, China |
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Abstract Objective: To explore the difference in the clinical effect of support laryngoscope and fiber laryngoscope assisted resection for the patients with vocal cord polyps. Methods: Eighty-four cases of vocal cord polyps in our hospital from January 2016 to January 2017 were selected as the subjects. The patients were divided into two groups according to the random number table. The study group (n=42) underwent support laryngoscopy assisted resection and the control group (n=42) underwent fiber laryngoscopy assisted resection. The clinical efficacy of the two groups, acoustic acoustic parameters (basal frequency perturbation, standardized noise energy, amplitude perturbation), complications and recurrence rate of 12 months after operation were observed. Results: The total effective rate of the study group (95.24%) was higher than that of the control group (78.57%), and the total incidence of complications (4.76%) was lower than that of the control group (19.05%), the difference was statistically significant (χ2=5.126, 4.086, P<0.05). After treatment, two groups of acoustic parameters were improved compared with before treatment, the study group frequency perturbation, normalized noise energy and amplitude perturbation level respectively (0.18±0.04)% and (-14.23±2.08) DB, (1.66±0.54)%, lower than that of the control group (0.32±0.07)%, (-10.46±1.85)DB, (2.13±0.68)%, the difference was statistically significant (P<0.05). In the study group, the recurrence rate of 12 months after operation (2.38%) was lower than that of the control group (14.29%), and the difference was statistically significant (χ2=3.896, P<0.05). Conclusion: Compared with Fiber laryngoscope, support laryngoscope assisted removal of vocal cord polyp is more effective, which can significantly improve voice and acoustic parameters, reduce complications and recurrence rate. It is beneficial to the improvement of prognosis.
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2018, Vol. 24 
