Clinical Presentations and Risk Factors of Malignant Otitis Externa in a Tertiary Care Hospital
Journal Title: International Journal of Contemporary Medical Research - Year 2016, Vol 3, Issue 1
Abstract
Introduction: Malignant otitis externa (MOE) is one of the aggressive infections involving the external auditory canal, temporal bone and extending to skull base. A descriptive study was conducted to find out the clinical presentations and risk factors of MOE. Materials and Methods: Sixteen patients with clinical presentations of MOE (age ranges from 40-79 years) were included in the study. Clinical presentations such as nocturnal ear pain, ear discharge, cranial nerve palsy, EAC stenosis, granulation and polyp were examined in all patients. Ear swab culture was done in patients with ear discharge. Detailed history for diabetic patients was taken using questionnaire. The prevalence and clinical presentations were subjected to statistical analysis. Results: Results showed that male patients were dominant with mean age of 55 years. Only 2 Female patients were found. Bacterial infection by Pseudomonas was the major causative agent for the ear infection and the associated pain. All the patients had type 2 diabetes with duration of 5.25 ± 1.8 years in 40-59 age group which was significantly different (p < 0.01) from that of the 60-79 years age group (10.25 ± 2.5 years). Conclusion: The result concluded that duration of diabetes was positively correlated with the incidence of MOE. Diabetes along with bacterial infection of ear was the major causative etiology for the incidence of MOE. A strict control of diabetes and ear swabs culture should be ensured in all patients with clinical presentation of MOE.
Authors and Affiliations
Thuruthiath Nisha, Chakramakal Joseph Andrews
Keywords
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