Patterns of Hand Drift in Parietal Lobe lesion.
Journal Title: International Journal of Medical Science and Innovative Research (IJMSIR) - Year 2019, Vol 4, Issue 1
Abstract
Background: Clinical signs that help in detecting subtle weakness are invaluable in reaching early localisation of lesion and diagnosis. The parietal drift is a useful clinical Sign That Is Helpful In Localizing To The Parietal Lobe. Objective 1) To characterize the parietal drifts which are observed on the basis of extent, direction, and hand and finger movements. 2) To study the association between the direction of the drift and the underlying causative lesion in the brain parenchyma. Aim: To study the patterns of parietal drift in patients at tertiary care centre with a with diagnosed structural lesion in and around the parietal lobe. Materials and Methods: Study conducted at a tertiary care centre over a duration of 12 months from January 2017 to December 2017, where hand drift, fingers movement and any abnormal posturing of fingers and wrist were noted by the two expert assessors separately, for a period of 20-30 seconds each. The drift is described in each patient on the basis of following six parameters.1) Curling of fingers 2) Outstretching of thumb 3) Outward drift of hand 4) Upward drift of hand 5) Downward drift of hand 6) Pronation of hand Results & Conclusions 1) Patients having lesions in parietal lobe demonstrated a hand drift (Parietal Drift) which consisted of hand movement in the outward, upward or rarely in downward direction. 2) Patients having lesion in the Parieto-occipital regions demonstrated a hand drift which consisted of hand movement in the outward and upward direction 3) Patients having lesion in the Parieto Temporal regions. demonstrated a hand drift which consisted of hand movement in upward but NOT outward direction. 4) An attempt can be made to localize the site of lesion whilst awaiting radiological images by a simple characterisation of this clinical sign.
Authors and Affiliations
Dr. Kamlesh A. Jagiasi
Keywords
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