Abstract
Objective
Underlay Tympanoplasty with superiorly based circumferential flap for dry subtotal perforations.
Study Design
A prospective study of cases with dry subtotal perforations, which underwent surgery between August 2001–Feb. 2004.
Setting
Study was conducted on patients attending ENT OPD in S.M.S. Medical College and Hospital from August 2001–Feb. 2004 with dry subtotal perforations.
Results
It was noted that 89% of the cases were in the age group of 11 to 40 years, while one case was of 7 years of age and 9% of cases were between the age of 41–50. 50% of the cases had dry ear for less than 3 months while 75% of cases had dry ear for less than 1 year. Graft take rate was 97% with completely healed tympanic membrane. Rejection of the graft was observed in 2% of the cases. Hearing gain of 10–30dB was achieved in 95% of the cases. 7% of the cases suffered minor complications like otitis media with effusion (2%) retraction (2%) and lateralization (1%).
Conclusion
Duration for which ear has been dry did not affect the results. 49% of cases had dry ear for less than 3 months, with good graft take up rate and hearing gain. Pneumatization of mastoids, had a direct relationship with, post operative hearing gain, which ranged from 10–30 dB, in 95% of the cases. We observed, 97% graft take rate. Rejection of the graft was found in only 2% of the cases. 97% of the graft take rate and good hearing gain in our study can be correlated with expertise technique to deal with subtotal perforations.
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Mishra, P., Sonkhya, N. & Mathur, N. Prospective study of 100 cases of underlay tympanoplasty with superiorly based circumferential flap for subtotal perforations. Indian J Otolaryngol Head Neck S 59, 225–228 (2007). https://doi.org/10.1007/s12070-007-0066-6
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DOI: https://doi.org/10.1007/s12070-007-0066-6