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Comparison of the repair of permanent tympanic membrane perforations by hydrocolloidal dressing and paper patch

Published online by Cambridge University Press:  29 June 2007

Odd Spandow*
Affiliation:
Department of Otorhinolaryngology. Umeá University Hospital, S-901 85 Umeå, Sweden
Sten Hellström
Affiliation:
Department of Otorhinolaryngology. Umeá University Hospital, S-901 85 Umeå, Sweden
Michael Dahiström
Affiliation:
Department of Otorhinolaryngology. Umeá University Hospital, S-901 85 Umeå, Sweden
Lennart Bohlin
Affiliation:
Department of Otorhinolaryngology. Umeá University Hospital, S-901 85 Umeå, Sweden
*
Dr O. Spandow, M.D., Ph.D., Department of Otolaryngology, Ume University Hospital, S-901 85 Ume, Sweden.

Abstract

Thirty consecutive patients with permanent perforations of their tympanic membranes (TM) present from 2.5 to 50 years (mean 18.7 years) were admitted to a prospective study using two alternative methods of dressings for closure of the perforations. An adhesive-coated hydrocolloid material was compared with a conventional dressing of vaseline impregnated rice paper patch after de-epithelialization of the perforation border. Nine of the permanent TM perforations (30 per cent), five with the hydrocolloidal dressing and four with the rice paper patch had healed when followed-up after one year. The size of eight of the central perforations that had healed was equal to or less than 25 per cent of the TM. Also one perforation with a size of 65 per cent had healed. Seven perforations were located in the posterior part of the TM:Jour in the posterior-superior quadrant, one in the inferior quadrant, one had engulfed the posterior half of the TM and one included the anterior-inferior quadrant. Only two perforations out of 14, with a size of 25 per cent or less, located in the anterior-inferior quadrant, healed. No significant difference was demonstrated between the two types of dressings. Both groups noted an immediate improvement in hearing of 10.8 and 9.3 dB, respectively, after application of the dressing.

The study demonstrates that application of an occlusive dressing or paper patch in 30 per cent of patients can promote the healing of long-standing perforations. The chances for healing are better if the perforation is located in the posterior part of the TM. This simple technique immediately improved hearing and should be tried before a patient is referred for myringoplasty surgery.

Information

Type
Main Articles
Copyright
Copyright © JLO (1984) Limited 1995

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