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Juan Manual Racosta,Federico Di Guglielmo,Francisco Ricardo Klein,Patricia Mariana Riccio,Francisco Muñoz Giacomelli,María Eugenia González Toledo,Fátima Pagani Cassará,Agustina Tamargo,Matías Delfitt 대한뇌졸중학회 2014 Journal of stroke Vol.16 No.3
Background and Purpose Ascertaining stroke severity and predicting risk of in-hospital mortality is crucial to advise patients and families about medical decisions. We developed and tested the validity of a new stroke score, the 6S Score (Stroke Severity Score based on Six Signs and Symptoms), for quantifying ischemic stroke severity and predicting in-hospital mortality. Methods We prospectively assessed 210 consecutive acute ischemic stroke patients. The cohort was further divided into a derivation (n=120) and a validation (n=90) sample. From a total of 10 stroke signs and symptoms, we selected those with likelihood ratio’s P<0.005. We tested the validity of the score for predicting in-hospital mortality by using receiver operating characteristic curves. We used a scatterplot and the Spearman’s test to evaluate the correlation between the 6S Score and the National Institutes of Health Stroke Scale as a marker of stroke severity. We used principal component and exploratory factor analyses for assessing qualitative aspects of the 6S Score. Results The C statistic for in-hospital mortality was 0.82 for the 6S Score and 0.86 for the National Institutes of health Stroke Scale, respectively, with no significant differences between each other (P=0.79). The correlation between both scores was strong (Spearman’s rho 0.68, P<0.001). The factor analyses showed a good balance between left/right hemispheres and anterior/posterior circulations. Conclusions The 6S Score may constitute a tool for easily assessing stroke severity and predicting stroke mortality. Further research is needed for further assessing its external validity.
이동형,Cynthia A. Riccio 한국임상심리학회 2009 Korean Journal of Clinical Psychology Vol.28 No.3
The current study presents an integrated executive function model that explains the interrelationships among deficits in two executive functions (working memory and inhibition), ADHD symptoms, and two conditions (reading difficulty and substance abuse) that are commonly comorbid with ADHD in adulthood. The validity of the integrated model was tested using structural equation modeling with an adult sample consisting of consecutive referrals to a university-based research project. The final model suggested that working memory problems directly contribute to reading difficulty as well as to inattentive symptoms in adults. Direct contributions of inhibition to ADHD symptoms were not supported. However, ADHD symptoms had direct and indirect contributions to substance abuse symptoms. Current findings suggest the crucial role of working memory in the manifestation of ADHD symptoms and comorbid reading problems and also suggest ADHD symptoms' contribution to the development of adult substance abuse. These findings were interpreted as generally supporting the hypothesis of the developmental heterogeneity of executive function profiles associated with the manifestation of ADHD symptoms and comorbidities in adulthood.