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| ORIGINAL ARTICLE
|Year : 2015 | Volume
| Issue : 6 | Page : 866--873
Natural history of multiple sclerosis from the Indian perspective: Experience from a tertiary care hospital
Subhransu S Jena1, Mathew Alexander1, Sanjith Aaron1, Vivek Mathew1, Maya Mary Thomas1, Anil K Patil1, Ajith Sivadasan1, Karthik Muthusamy1, Sunithi Mani2, J Grace Rebekah3
1 Department of Neurology, Christian Medical College, Vellore, Tamil Nadu, India
2 Department of Radiology, Christian Medical College, Vellore, Tamil Nadu, India
3 Department of Biostatistics, Christian Medical College, Vellore, Tamil Nadu, India
Context: Multiple sclerosis (MS) has a spectrum of heterogeneity, as seen in western and eastern hemispheres, in the clinical features, topography of involvement and differences in natural history.
Aim: To study the clinical spectrum, imaging, and electrophysiological as well as cerebrospinal fluid (CSF) characteristics and correlate them with outcome.
Settings and Design: Retrospective analysis of MS patients during a period of 20 years.
Subjects and Methods: Cases were selected according to recent McDonald's criteria (2010), They were managed in the Department of Neurology, Christian Medical College, Vellore.
Statistical Analysis Used: Chi-square and Fisher's exact tests were used for categorical variables. Multiple binary logistic regressions were done to assess significance. Kaplan–Meier curves were drawn to estimate the time to irreversible disability.
Results: A total of 157 patients with female preponderance (55%) were included. The inter quartile range duration of follow-up was 9.1 (8.2, 11) years for 114 patients, who were included for final outcome analysis. Relapsing remitting MS (RRMS) (54.1%) was the most common type of MS seen. RRMS had a significantly better outcome (odds ratio: 0.12, 95% confidence interval: 0.02–0.57, P = 0.008) compared to progressive form of MS (primary progressive, secondary progressive). The Expanded Disability Status Scale score of patients at presentation and at final follow-up was 4.4 ± 1.31 and 4.1 ± 2.31, respectively. During the first presentation, polysymptomatic manifestations like motor and sphincteric involvement, incomplete recovery from the first attack; and, during the disease course, bowel, bladder, cerebellar and pyramidal affliction, predicted a worse outcome.
Conclusion: A high incidence of optico-spinal presentation, predominance of RRMS and a low yield on cerebrospinal fluid (CSF) studies are the major findings of our study. A notable feature was the analysis of prognostic markers of disability.
Department of Neurology, Christian Medical College, Vellore, Tamil Nadu - 632 004
Source of Support: None, Conflict of Interest: None
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