[Analysis of the effectiveness of tympanoplasty in the patients presenting with chronic otitis media complicated by perforation].

AIM: The objective of the present study was to analyse the causes behind reperforation of the tympanic membrane in the patients presenting with chronic otitis media (mesotympanitis) after type I--III intrameatal tympanoplasty. Characteristic of the patients and methods of investigation. Intrameatal type I--III tympanoplasty with the use of autotransplants was performed in 652 patients presenting with chronic otitis media complicated by perforation of the tympanic membrane (CPOM). Fifty (7.6%) of these patients suffered recurrent perforation within one year after the primary treatment. The analysis of the medical histories, the character of secondary perforations, and intraoperative findings in 50 patients provided the data for the elucidation of the causes of poor anatomical and morphological outcomes of the surgical treatment.

RESULTS: It was shown that the anatomical and morphological effectiveness of type I--III intrameatal tympanoplasty in the patients with CPOM amounted to 92.4%. The main causes of reperforation are an extensive defect of the tympanic membrane, tympanic cavity mucositis associated with the compromised function of the Eustachian tube, in-growth of epidermis into the structures of the tympanic membrane, and the combination of these conditions as well as technical difficulties inherent in the surgical intervention.