ArticleCureus2026
When Stroke Is Not a Stroke: Wernicke's Encephalopathy in a Patient With Chronic Alcohol Misuse.
Article in Cureus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Wernicke's encephalopathy (WE) is a neurological emergency caused by thiamine deficiency and is a recognised stroke mimic. While prior reports often describe subacute presentations, we present a uniquely instructive case characterised by abrupt neurological collapse, with a rapid decline in Glasgow Coma Scale from 14 to 3 within 48 hours, closely simulating catastrophic cerebrovascular disease. Initial computed tomography was unremarkable; however, magnetic resonance imaging demonstrated classic, symmetrical involvement of the medial thalami, periaqueductal grey matter, tectal plate, mammillary bodies, and pyramidal tracts, consistent with acute WE. High-dose intravenous thiamine was initiated promptly, resulting in marked radiological improvement within five days. Despite recovery of consciousness and imaging resolution, the patient exhibited persistent and severe cognitive impairment on follow-up (Montreal Cognitive Assessment score 12/30), including prominent memory deficits. This case highlights an important and under-emphasised clinical lesson: radiological reversibility in WE does not reliably predict cognitive recovery, particularly following extreme presentations with abrupt coma. The report reinforces the need for immediate empirical thiamine administration in patients with acute unexplained neurological deterioration and risk factors for thiamine deficiency and cautions against interpreting early imaging improvement as evidence of a favourable neurological outcome.
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