Meenakshi, S (2015) Correlation between Clinical Diagnosis and Claussens Butterfly Chart Patterns in Patients with Vertigo. Masters thesis, Madras Medical College, Chennai.
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Abstract
INTRODUCTION: Vertigo accounts for upto 10% of OP cases in some centres. It is also the most confounding symptomatology (80% is undiagnosed). AIMS and OBJECTIVES: 1. To study the clinical presentations of Vertigo and arrive at a clinical diagnosis of etiology. 2. To use ELECTRONYSTAGMOGRAPHY to verify the diagnosis. 3. To compare the ELECTRONYSTAGMOGRAPHY findings with the clinical diagnosis of cause of Vertigo. MATERIALS AND METHODS: 50 patients attending the neurotology OPD in our hospital with complaints of vertigo, with intact TM were included in this study. They were subjected to a detailed history and clinical examination and a working diagnosis was arrived at. Everyone was subjected to a PTA and ENG test battery – Butterfly Chart was plotted and further investigations as required. A final diagnosis was arrived. OBSERVATIONS: The sensitivity and specificity of Butterfly Code for peripheral lesions was found to be 64.3% and 50% respectively (p= 0.363). The Sensitivity and specificity of Butterfly Code for central lesions was found to be 75% and 73% respectively (p<0.001). The negative predictive values of Butterfly code for both central and peripheral lesions were found to be 81% and 78% respectively. CONCLUSIONS: It is possible to identify the central and peripheral lesions using ENG and also point out the side of lesion with reasonable accuracy.
| Item Type: | Thesis (Masters) |
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| Uncontrolled Keywords: | Clinical Diagnosis ; Claussens Butterfly Chart Patterns ; Patients ; Vertigo. |
| Subjects: | MEDICAL > Otolaryngology |
| Depositing User: | Devi S |
| Date Deposited: | 07 Oct 2018 09:36 |
| Last Modified: | 07 Oct 2018 09:36 |
| URI: | http://repository-tnmgrmu.ac.in/id/eprint/9745 |
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