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Advantages of CO2 laser use in surgical management of otosclerosis

机译：使用CO2激光在耳硬化症外科治疗中的优势

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Background. Otosclerosis is a progressive osteo-destructive disorder of the bony labyrinth in which the fixation of the stapes causes the hearing loss. The aim of this study was the postoperative determination of parameters of the effect of surgical intervention on hearing and the incidence of complications and, on the basis of the differences in the examined parameters of the study, the estimation of the eficacy of the two mentioned surgical thechniques in the treatment of otosclerosis. Methods. In our research 40 patients with conductive hearing loss caused by otosclerosis underwent surgery with CO2 laser. Functional results were compared postoperatively with the results of 40 patients operated by the classical technique without the use of CO2 laser. The research was accomplished as a prospective comparative study. Results. The air-bone interval (gap) as the difference between the rim of air and bone conductivity for separate frequencies did not significantly differ between the control and the experimental group. Both methods were effective in closing the air-bone gap with the rates of closure to within 10 dB in 82.6% and 75.3% for the laser and drill, respectively. The incidence of tinnitus was significantly lower in patients who underwent surgery with CO2 laser. The frequency of intraoperative and postoperative complications was significantly lower in the laser group. Differences were statistically significant for all parameters (p
机译：背景。耳硬化症是进行性的骨迷路性骨破坏性疾病，其中骨的固定导致听力下降。这项研究的目的是术后确定手术干预对听力和并发症发生率的参数，并根据所研究的检查参数的差异，对上述两种手术的功效进行估算耳硬化症的治疗方法。方法。在我们的研究中，40例由耳硬化引起的传导性听力损失患者接受了CO2激光手术。术后将功能性结果与40例不使用CO2激光的经典技术患者的结果进行比较。该研究是作为一项前瞻性比较研究而完成的。结果。对照组和实验组之间的空气骨间隔（间隙），即空气边缘和骨电导率在不同频率下的差异没有显着差异。两种方法均有效地闭合了气隙，激光和钻头的闭合率分别达到10.6％以内，分别为82.6％和75.3％。在接受CO2激光手术的患者中，耳鸣的发生率明显较低。激光组的术中和术后并发症发生率显着降低。所有参数的差异均具有统计学意义（p

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