Small Strokes, Big Impact: Excessive Mortality After Acute Ischemic Stroke in Parkinson's Disease.

In contrast, a smaller Canadian study drew the opposite conclusion after appropriately adjusting for smoking status 27 and a meta‐analysis of four pathological studies revealed a modestly significant odds ratio that approached a value of 1. 6 The present data on recurrence argue against more severe or frequent strokes underlying this interaction between PD and stroke since it does not fit the observation of decade‐long ongoing synergy.

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