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Clinical and bacteriological profile of the ear in otogenic tetanus: A case control study

Abstract Twenty two patients presented with otogenic tetanus. Seventeen patients had acute histories with only a single episode of otitis media with otorrhoea. Fifteen patients had unilateral central perforations, five had bilateral central perforations and two had no perforations but had acutely congested tympanic membranes which were bulging suggesting the presence of purulent fluid behind them. All patients with perforations had a purulent pulsatile discharge. A coexisting aerobic infection was seen in 85 per cent of the cultures and 59 per cent of these were due to staphylococcus aureus (versus 25 per cent in the controls). Only one patient had received partial immunization. Tetanus resulting from otitis media is not an indication for surgery.