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Granular myringitis is characterised by de-epithelialisation of the tympanic membrane. Patients present with intermittent otorrhoea, otalgia or itching. With improper or inadequate treatment, granular myringitis could cause ear canal fibrosis and stenosis. There are no standard topical ear drops for granular myringitis. Treatments have inconsistent success rates and variable timelines. This study aimed to compare the effectiveness of treating granular myringitis with 1 and 2 per cent acetic acid solutions for two weeks.
This double-blind, randomised, controlled trial enrolled and randomly allocated 47 participants to 2 groups between October 2021 and June 2022.
After two weeks, the groups’ treatment success rates did not differ significantly. There was a 10 per cent recurrence rate 8 weeks after treatment completion. All patients tolerated the diluted vinegar.
There is no difference in the efficacy of 1 and 2 per cent diluted vinegar in treating granular myringitis for two weeks.
This study aimed to evaluate the outcome of granular myringitis treatment of 1 per cent diluted vinegar ear drops or 1 per cent chloramphenicol ear drops and to assess the side effects of 1 per cent diluted vinegar.
Twenty-four patients aged over 18 years and diagnosed with granular myringitis grade I or II within 90 days of symptom onset were included. Patients were equally randomised into either the 1 per cent diluted vinegar group or the 1 per cent chloramphenicol group. Outcome of treatment and side effects were compared between groups. The main outcome measure was completely epithelialised tympanic membrane at the eight-week period.
Eleven of 12 patients treated with 1 per cent diluted vinegar had complete recovery. In the 1 per cent chloramphenicol group, 8 of 12 patients recovered. The difference between groups was not statistically significant (p = 0.156). The observed side effects of diluted vinegar included dizziness and mild external auditory canal irritation.
One per cent diluted vinegar is an interesting option for granular myringitis. Other comparative advantages of 1 per cent diluted vinegar include its low price and no induction of antimicrobial resistance.
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