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from Viartis 21st April 2009 - New research RIGHT HAND OR LEFT HAND PARKINSON'S DISEASE Parkinsonism Related Disorders [2008] 14 (8) : 633-635 (Yust-Katz S, Tesler D, Treves TA, Melamed E, Djaldetti R.) Complete abstract Parkinson's Disease symptoms can initiate, develop or exist on one side, or more on one side rather than the other. The prevalence and what predicts one sided symptoms rather than the other in Parkinson's Disease have hardly been investigated. The aim of this study was to determine the rate of one sided symptoms in people with Parkinson's Disease. The dominant hand was recorded in each person, as well as any significant right-left differences in tremor, bradykinesia, and rigidity. Symptoms dominating on one side occurred in the vast majority (85%) of people with Parkinson's Disease. The initial symptoms appeared on the right side in 47% of the right-handed patients, and on the left side in 38% of the right-handed patients. The initial symptoms appeared on the left side in 52% of the left-handed patients, and on the right side in 36% of the left-handed patients. So Parkinson's Disease is characterised by symptoms being greater on either the right or left hand side. There was a trend towards symptom onset on the dominant side. In order to refer to this article on its own click here. Rayilyn Brown Director AZNPF Arizona Chapter National Parkinson Foundation [log in to unmask] ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn