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A Clinical Profile of 103 Patients with Secondary Movement Disorders: Correlation of Etiology with Phenomenology by M. Netravathi; P. K. Pal; B. Indira Devi is a Medicine article available to read on EtoBox.

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**Background and purpose:** Studying patients with secondary movement disorders (SMD) provides a unique opportunity to determine the correlation between the etiology and phenomenology of movement disorders. **Methods:** This was a prospective study of 103 patients (43 women, 60 men; age = 28.7 ± 17.3 years; range = 2–70 years) with SMD, in a tertiary hospital over 4 years. **Results:** The mean age of onset of SMD was 24.3 ± 19.7 years, and duration of symptoms was 4.3 ± 7.1 years (42 days to 40 years). Patients with pure tremor, pure dystonia (DYS), or a combination of tremor with dystonia had longest latency (10.9–18.5 months), whereas those with parkinsonism (PAR) and hemiballismus (HMB) had shorter latency (2.7–3.0 weeks). Pure dystonia was most prevalent (30.1%) followed by dystonia plus (13.6%), tremor (12.6%), PAR (11.7%), HMB (8.7%), mixed SMD (7.8%), tremor with dystonia (6.8%), myoclonus (5.8%), and chorea (2.9%). In approximately 60% of patients, the underlying etiologies were vascular (VAS), infections, and space‐occupying lesions (SOL), and 25% had SMD following trauma or hypoxia (HYP). With reference to specific etiologies, the most frequent SMDs were tremor following

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Author

M. Netravathi; P. K. Pal; B. Indira Devi

Publisher

Wiley

Published

2011

Language

EN

Field

Medicine (Health Sciences)