Objective: To identify significant etiological differences between patients with bilateral and unilateral Acute Ischemic Stroke (AIS). Background: Limited data suggest bilateral AIS is relatively common, accounting for approximately ten percent of AIS. However, stroke etiology as defined by TOAST criteria has not been well defined for patients with evidence of bilateral AIS on MRI. Methods: Con...

This paper describes issues, technologies, challenges, and directions for Assured Information Sharing (AIS). AIS is about organizations sharing information but at the same time enforcing policies and procedures so that the data is integrated and mined to extract nuggets. This is the first in a series of papers we are writing on AIS. It provides an overview including architectures, functions and...

برای دستیابی به مزیت رقابتی در شرایط عدم‌­اطمینان که آن تغییر ضروری است، یکی از چالش‌های بزرگ سازمان‌ها کاهش ریسک طریق ایجاد زنجیره‌های تأمین تاب‌آور است. تاب‌آوری زنجیره ‌تأمین توانایی مقابله با اختلال اشاره دارد یک رویداد غیرقابل‌پیش‌بینی بوده و دارای منابع داخلی خارجی مختلفی ازجمله بلایای طبیعی ریسک‌های عملیاتی پژوهش حاضر شبیه‌سازی توسط نرم‌افزار ارنا زنجیره‌ سنگ ساختمانی «کارخانه سنگبری آسم...

BACKGROUND AND PURPOSE For the clinician, the diagnosis of arterial ischemic stroke (AIS) in children is a challenge. Prompt diagnosis of pediatric AIS within 6 hours enables stroke-specific thrombolytic and neuroprotective strategies. METHODS We conducted a retrospective study of prospectively enrolled consecutive cohort of children with AIS, admitted to The Hospital for Sick Children, Toron...

The axon initial segment (AIS) is an essential neuronal compartment. It is usually where action potentials are initiated. Recent studies demonstrated that the AIS is a plastic structure that can be regulated by neuronal activity and by the activation of metabotropic receptors. Studying the AIS in live tissue can be difficult because its identification is not always reliable. Here we provide a n...

Objective To determine the expression and clinical significance of plasma miR-335 in patients with acute ischemic stroke (AIS) and investigate its association with calmodulin (CaM) expression. Methods Plasma miR-335 and CaM expression levels in patients with AIS and healthy controls were examined. Correlations between miR-335, CaM, and National Institutes of Health Stroke Scale scores were also...

Very few learning systems applied to problem solving have focused on learning operator definitions from the interaction with a completely unknown environment. Autonomous Intelligent Systems (AIS) deal with that issue by means of architectures where learning is achieved by establishing plans, executing those plans in the environment, analyzing the results of the execution, and combining new evid...

BACKGROUND Several reports have suggested low bone mineral density (BMD) in patients with adolescent idiopathic scoliosis (AIS). We determined bone mineral status in patients with AIS to evaluate the effect of brace treatment on BMD. METHODS BMD was measured in 46 patients (mean age, 17.8 ± 4.9 years) with AIS (17 with brace and 29 without brace) by dual-energy X-ray absorptiometry scan and c...

BACKGROUND Ischemia-modified albumin (IMA) is a sensitive marker of ischemic event. However, limited studies are available regarding role of IMA in acute ischemic stroke (AIS). PURPOSE The aim of this study was to evaluate time course of IMA in AIS patient to validate its prognostic value. METHODS IMA level was estimated in serum samples collected from five AIS patients at admission, 24hrs,...