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Zoster Sine Herpete, Vertebral Artery Stenosis, and Ischemic Stroke
We report an immunocompetent man with common cold symptoms and conjunctivitis, followed by an acute onset of bulbar weakness and hemihypesthesia without preceding skin rash. Acute medullary infarction and left vertebral artery stenosis were detected. VZV infection was finally identified. Zoster sine herpetic interferes with accurate diagnosis of infectious stroke, and vertebral artery involvement is unusual in ischemic stroke in this situation. An unexplained course of ischemic stroke event should be suspected in patients with VZV cerebrovasculopathy, especially in those without conventional stroke risk factors and those...
Source: Journal of Stroke and Cerebrovascular Diseases - September 12, 2012 Category: Neurology Authors: Wei-Hsi Chen, Chi Chui, Hsin-Ling Yin Tags: Case Reports Source Type: research

Intracerebral Hemorrhage Associated with Oral Phenylephrine Use: A Case Report and Review of the Literature
Conclusions: It is scientifically plausible that phenylephrine may cause strokes, consistent with the pharmacologic properties and adverse event profiles of similar amphetamine-like sympathomimetics. As RCVS has been well described in association with over-the-counter sympathomimetics, a likely, although not definitive, causal relationship between phenylephrine and ICH is proposed.
Source: Journal of Stroke and Cerebrovascular Diseases - August 25, 2014 Category: Neurology Authors: Brian E. Tark, Steven R. Messe, Clotilde Balucani, Steven R. Levine Tags: Original Articles Source Type: research

Evaluation of Misdiagnosed Cases of Subarachnoid Hemorrhage and Causal Factors for Misdiagnosis
Conclusions: Type 1 cases were mild, and diagnosis required detailed medical history analyses. Type 2 cases were severe and were diagnosed based on electrocardiographic and echocardiographic changes characteristic of SAH. Symptoms of type 3 cases included vomiting, and diagnosis required recognition of meningeal irritation syndrome and detailed medical history analyses.
Source: Journal of Stroke and Cerebrovascular Diseases - March 15, 2013 Category: Neurology Authors: Tetsuhisa Yamada, Yoshihiro Natori Tags: Original Articles Source Type: research