PMID: 15232501Jul 3, 2004Paper

Too much lumping in ischemic stroke - a new classification

Medical Science Monitor : International Medical Journal of Experimental and Clinical Research
Michael HoffmannAli Malek

Abstract

The heterogeneity of ischemic stroke syndromes with treatment of disparate categories may be a factor in clinical stroke trial failure. Recent advances include a multitude of stroke investigative modalities that are noninvasive, allowing more precise mechanistic determination. We retrospectively analyzed our young stroke patient population for stroke etiology according to the TOAST classification with five different etiological groups. Patients were assessed quantitatively according to the National Institute of Health Stroke Scale for neurological deficit and Rankin Scale for neurological handicap. Investigations included laboratory, Doppler sonograms of the cervicocephalic vessels, cardiac echocardiography and multimodality magnetic resonance imaging in all patients. Statistical analysis was performed, using a logit model for nominal response: log piJ/piJ)=alphaj+betajX. Amongst young stroke patients (n=133, women n=72) causes included other (n=77/119;65%), large vessel disease (LVD) (n=8/119;7%), small vessel disease (SVD) (n=17/119;14%), unknown (n=3/119;2%) and cardiac (n=14/119;12%). Within the other category at least 20 different etiologies were delineated. There were significant differences among the various categories (...Continue Reading

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