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Analysis of Risk Factors for Myringosclerosis Formation after Ventilation Tube Insertion

Journal of Korean Medical Science 2020년 35권 13호 p.83 ~ 83
 ( Kim Eung-Hyub ) - Chungnam National University College of Medicine Department of Otolaryngology-Head and Neck Surgery

박기완 ( Park Ki-Wan ) - Chungnam National University College of Medicine Department of Otolaryngology-Head and Neck Surgery
 ( Lee Seung-Hun ) - Chungnam National University College of Medicine Department of Otolaryngology-Head and Neck Surgery
김봉직 ( Kim Bong-Jik ) - Chungnam National University College of Medicine Department of Otolaryngology-Head and Neck Surgery
박용호 ( Park Yong-Ho ) - Chungnam National University College of Medicine Department of Otolaryngology-Head and Neck Surgery

Abstract


Background: This study examined possible risk factors for myringosclerosis formation after ventilation tube insertion (VTI).

Methods: A retrospective study was performed in a single tertiary referral center. A total of 582 patients who underwent VTI were enrolled in this study. Patients were divided into two groups based on the presence or absence of myringosclerosis: MS+ and MS?. Characteristics of patients were collected through medical chart review; these included age, gender, nature and duration of effusion, type of ventilation tube (VT), duration and frequency of VTI, incidence of post-VTI infection, incidence of intraoperative bleeding, and presence of postoperative perforation. Incidences of risk factors for myringosclerosis and the severity of myringosclerosis in association with possible risk factors were analyzed.

Results: Myringosclerosis developed in 168 of 582 patients (28.9%) after VTI. Patients in the MS+ group had an older mean age than those in the MS? group. The rates of myringosclerosis were higher in patients with older age, serous otitis media, type 2 VT, post-VTI perforation, and frequent VTI. However, there were no differences in occurrence of myringosclerosis based on gender, duration of effusion, duration of VT placement, incidence of post-VTI infection, or incidence of intraoperative bleeding. The severity of myringosclerosis was associated with the duration of effusion and frequency of VTI.

Conclusion: Older age, serous effusion, type 2 VT, presence of post-VTI perforation, and frequent VTI may be risk factors for myringosclerosis after VTI; the severity of myringosclerosis may vary based on the duration of effusion and frequency of VTI.

키워드

Otitis Media; Myringosclerosis; Ventilation Tube; Middle Ear; Risk Factor
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