Abstract
The article provides a brief overview of the epidemiology, diagnosis, clinical manifestations and surgical methods of treatment of labyrinthine fistulas (LF) in patients with chronic suppurative otitis media (CSOM) with cholesteatoma. The efficacy of various LF treatment techniques, their complications, and the principles of prevention of cochleovestibular disorders during surgical treatment are described. The prognostic criteria for the deterioration of bone conduction thresholds during LF surgery, which include a large LF size, the opening of the membranous labyrinth, and the extent of damage to the structures of the inner ear, are presented. A clinical case of surgical treatment of widespread LF in CSOM with cholesteatoma is presented, which proves the possibility of preserving the auditory and vestibular functions while observing the stages of sanitation, manipulations on the LF and obliteration of semicircular canals defects with auto tissues. Combined surgery of such a plan must certainly be accompanied by local instillation of solutions of hormonal preparations in case of a deficiency of perilymphatic fluid in the labyrinth and postoperative antibacterial and hormonal therapy.
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