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Basal Ganglia and Internal Capsule Stroke in Childhood—Risk Factors, Neuroimaging, and Outcome in a Series of 28 Patients: A Tertiary Hospital Experience
From the Department of Neurology, Hospital de Pediatría Prof Dr. J. P. Garrahan, Ciudad Autónoma de Buenos Aires, Argentina
* To whom correspondence should be addressed. E-mail: hugoarroyo{at}arnet.com.ar.
We present 28 patients with basal ganglia ischemic stroke and describe the main neurological manifestations, neuroimaging findings, risk factors, and outcome. In 23 cases, at least 1 risk factor was identified. A total of 7 cases (25%) had antecedent of varicella infection and 7 cases (25%) had preceding mild head trauma. Similar antecedents were present only in 2.6% and 5.3% of patients with nonbasal ganglia stroke, respectively (odds ratio: 12.2, 95% confidence interval: 2.04-124.65 and odds ratio: 5.92, 95% confidence interval: 1.32-29.7). The arterial abnormalities identified in 10 patients were narrowing (6) or occlusion (4) of the M1 segment. After a median follow-up of 24 months, 19 patients had a good outcome. Magnetic resonance angiography and catheter cerebral angiography played an important role in the identification of arterial disease. We propose that basal ganglia infarction is a different group of ischemic stroke with prevalent risk factors (varicella infection and mild head trauma) and good outcome.
First published on March 4, 2009, doi:10.1177/0883073808330163 |
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