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Panacea Journal of Medical Sciences

Correlation between Middle Ear Risk Index (MERI) and tympanoplasty-A prospective study

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Author Details: Rameshbabu Kalyanasundaram, Geetanjali Narendran

Volume : 7

Issue : 2

Online ISSN : 2348-7682

Print ISSN : 2249-8176

Article First Page : 65

Article End Page : 67


Tympanoplasty results depend on the severity of middle ear disease present preoperatively. Various grading systems were developed for this. The present study was carried out to determine the Middle Ear Risk Index (MERI) score and categorise the patients into mild, moderate and severe MERI and study the relation between MERI and outcome of tympanoplasty. The study consisted of 50 patients undergoing tympanoplasty for mucosal or squamous type of CSOM. The MERI score was calculated. The patients were categorised into those with mild, moderate and severe MERI. The graft uptake status was assessed. The relation between MERI score and graft status was assessed by T test. The overall graft uptake was 76%. Patients with a high MERI score had low graft uptake. This study shows that MERI score is a prognostic indicator of tympanoplasty results. It is inverserly proportional to graft uptake.

Middle Ear Risk Index, Tympanoplasty, Graft uptake, Chronic suppurative otitis media