Abstract-Shuffling and freezing while walking can impair function in patients with Parkinson disease (PD). Open-loop devices that provide fixed-velocity visual or auditory cues can improve gait but may be unreliable or exacerbate freezing of gait in some patients. We examined the efficacy of a closedloop, accelerometer-driven, wearable, visual-auditory cueing device in 13 patients with PD with off-state gait impairment at baseline and after 2 weeks of twice daily (30 minute duration) at-home use. We measured gait velocity, stride length, and cadence using a validated electronic gait-analysis system. Subjects underwent standard motor assessment and completed a self-administered Freezing of Gait Questionnaire (FOGQ) (range 0-24; lower is better). After training, device use enhanced walking velocity (61.6 ± 20.1 cm/s to 72.6 ± 26.5 cm/s, p = 0.006) and stride length (74.3 ± 16.4 cm to 84.0 ± 18.5 cm, p = 0.004). Upon device removal, walking velocity (64.5 ± 21.4 cm/s to 75.4 ± 21.5 cm/s, p < 0.001) and stride length (79.0 ± 20.3 cm to 88.8 ± 17.7 cm, p = 0.003) exhibited a greater magnitude of change, suggesting immediate residual benefits. Also upon device removal, nearly 70 percent of subjects improved by at least 20 percent in either walking velocity, stride length, or both. An overall improvement in gait was measured by the FOGQ (14.2 ±1.9 to 12.4 ± 2.5, p = 0.02). Although issues related to compliance and response variability render a definitive interpretation of study outcome difficult, devices using closed-loop sensory feedback appear to be effective and desirable nonpharmacologic interventions to improve walking in selected individuals with PD.

Summary:Purpose: To evaluate the role of a short course of oral corticosteroids in Indian patients with solitary cysticercus granuloma with seizures. Methods:In this open-label, randomized, prospective followup study, 97 patients with new-onset seizures and a single enhancing computed tomography (CT)-detected lesion of cysticercosis were randomly divided in two groups to receive either antiepileptic monotherapy alone (n = 48) or antiepileptic monotherapy with prednisolone (n = 49). The patients in the latter group received prednisolone, 1 mg/kg/day for 10 days, followed by tapering over next 4 days. The patients were followed up for 6 months. Repeated CT scans were performed after 1 and 6 months.Results: The majority of patients were young. Simple partial seizure, with or without secondary generalization, was the commonest seizure type encountered. Follow-up CT scans at 1 and 6 months demonstrated a significantly better response for prednisolone as far as complete resolution of CT lesion was concerned. Kaplan-Meier analysis suggested significantly less probability of seizure recurrence for prednisolonetreated patients. At 6 months, Kaplan-Meier estimated risk of seizure after first seizure was 2% in prednisolone-treated patients in comparison to 13% for those who were not given prednisolone.Conclusions: Short-term prednisolone therapy helps in rapid resolution of solitary cysticercus granuloma in Indian patients with new-onset seizures. Resolution of lesions is associated with improved seizure-related prognosis.

NCT00526630.

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