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KMID : 0858620030070010038
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Korean Journal of Audiology
2003 Volume.7 No. 1 p.38 ~ p.41
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Myringosclerosis after Ventilation Tube Insertion
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Hong Hyung-Jeong
Kim Seung-Hwan
Lee Jong-Sun
Kim Hyung-Jong
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Abstract
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Background and Objectives: The etiology of myringosclerosis following ventilation tube insertion remains controversial, although there have been several attempts to explore the relationship between various factors involved in the procedure and the development of myringosclerosis. The aim of the present study was to measure the extent of myringosclerosis by an objective method and to investigate the etiologic factors including age, sex of subjects, duration after ventilation tube insertion, etc, with regard to the extent of myringosclerosis.
Materials and Method: Total of 35 subjects (55 ears) who had myringosclerosis during follow up period after ventilation tube insertion were included. All of them had undertaken the procedures of ventilaton tube insertion from 1999 to 2002 at the department of otolaryngology-head and neck surgery in Hallym University Sacred Heart Hospital. Mean age was 8 years old with the range of 1 to 16 years, and mean follow up period was 16 months the with range 3 to 48 months. To measure the area of myringosclerosis, video-otoscopic imaging and JASC Paint shop pro (vers. 7.02) were used. Medical and operation records were reviewed with regards to the location of myringosclerosis, age, sex of the subjects, fluid contents, duration after the procedure, and number of the revisions. Pearson correlation, and Pearson Chi-square test were used for statistical analysis (p<0.05).
Results: Any correlation or significant differences between the extent of myringosclerosis and the factors tested did not be found. The most common site of myringosclerosis was antero-inferior quadrant of the tympanic membrane.
Conclusion: The extent of myringosclerosis did not reveal any cause and effect relationship with etiologic factors tested in this study. It suggested that pathogenesis of myringoosclerosis following ventilation tube insertion might be multifactorial.
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KEYWORD
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Myringosclerosis, Ventilation tube insertion
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