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Year : 2019  |  Volume : 2  |  Issue : 1  |  Page : 21-27

Analysis of gait in Parkinson’s disease reflecting the effect of l-DOPA

Department of Neurology, RGCM Research Centre, Institute of Neurosciences, Kolkata, West Bengal, India

Correspondence Address:
Dr. Hrishikesh Kumar
Department of Neurology and RGCM Research Centre, Institute of Neurosciences Kolkata, 185/1 AJC Bose Road, Kolkata 700017, West Bengal, India.
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/AOMD.AOMD_19_18

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BACKGROUND: Gait instability is one of the disabling clinical features of majority of patients suffering from Parkinson’s disease (PD). It is partially responsive to dopamine replacement therapy. Precise evaluation of distinct l-DOPA-sensitive and l-DOPA-resistant gait profiles might help in planning therapy of PD patients with gait disorder.METHOD: In this cross-sectional analytical study, we measured the gait parameters of 70 patients and 37 healthy participants using a 6.1-m long electronic walkway containing thousands of pressure sensors embedded in a carpet. The patients were evaluated in their OFF and ON phases of l-DOPA medication, and the data were compared with age- and gender-matched healthy controls.RESULTS: Except for the cadence, most gait parameters including velocity, stride length, and step length were deranged in PD patients. The mean velocity was significantly higher among healthy volunteers (99.19cm/s) compared to PD patients (73.90cm/s, P value 0.0001). However, the mean cadence was comparable between healthy and patient groups (103.29 vs. 103.39, P value 0.966). Certain temporal parameters (cadence, cycle time, and swing time) were nonresponsive to the dopaminergic therapy.CONCLUSION: On the basis of the findings, we propose that l-DOPA treatment improves most of the spatiotemporal gait parameters but cannot completely eliminate the risk of fall.

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