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Outcome of mobile ear surgery units in Thailand
K Snidvongs1, P Vatanasapt, S Thanaviratananich
1Department of Otolaryngology, Chulalongkorn University, Bangkok 10330, Thailand. drkornkiat@yahoo.com
Objectives:
To evaluate the outcome of mobile ear surgery, in terms of tympanic membrane perforation closure, absence of otorrhoea and hearing threshold improvement.
Study Design:
Descriptive study.
Methods:
The study enrolled patients with chronic ear disorders requiring surgery who presented to the mobile ear surgery unit at Sakaeo Hospital, Thailand, from 1 to 4 July 2008. The following data were recorded: pre-operative audiogram, post-operative middle-ear and mastoid infection, wound infection, graft condition, any complications, and post-operative audiogram. Patients were followed up at one week, two weeks, four weeks and 24 weeks post-operatively.
Results:
For the 31 cases of tympanic membrane perforation, the closure rate was 90.3 per cent. For the 32 patients with otorrhoea, the rate of ear dryness was 87.5 per cent. All 35 patients had impaired hearing initially; the rate of hearing improvement was 74.3 per cent (95 per cent confidence intervals = 56.7-87.5 per cent). Patients' mean hearing improvement was 22.9 dB.
Conclusion:
The assessed ear surgery procedures had good results.
