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ORIGINAL ARTICLE
Year : 2016  |  Volume : 22  |  Issue : 3  |  Page : 213-216

Can use of a cold light source in endoscopic middle ear surgery cause sensorineural hearing loss?


Department of Otorhinolaryngology, Medical Faculty, Recep Tayyip Erdogan University, Rize, Turkey

Correspondence Address:
Dr. Suat Terzi
Recep Tayyip Erdogan University, Islampasa Mahallesi, Sehitler Caddesi, No: 74, PB: 53020, Rize
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0971-7749.187982

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Objectives: To investigate possible sensorineural hearing loss created by the use of a cold light source in patients undergoing endoscopic tympanoplasty surgery. Materials and Methods: The medical records of 203 patients, who underwent endoscopic Type 1 tympanoplasty surgery in our ear, nose, and throat clinic between 2012 and 2015, were checked retrospectively. Ninety-one patients were male and 112 were female, and their mean age was 34.4 ± 11.2 years. Results of audiometric measurements performed during the preoperative period and repeated 1 and 3 months postsurgery were compared to each other. Results: The mean duration of the operations was determined to be 52.4 ± 9.1 min. In addition, average preoperative bone-conduction was 11.4 ± 7.4 dB nHL. However, it was 9.57 ± 7.1 dB nHL and 9.51 ± 7.4 dB nHL, respectively, in the 1st and 3rd postoperative months. Levels of postoperative average bone-conduction at the 1st and 3rd month, as well as the thresholds of bone-conduction at 500, 1000, and 2000 Hz, were significantly lower than the preoperative results (P < 0.05). However, there was not a remarkable difference at 4000 Hz (P > 0.05). Conclusion: Based on our findings, the increased heat generated by the use of a cold light source during an endoscopic tympanoplasty surgery is unlikely to cause the development of sensorineural hearing loss.


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