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Ischemic Stroke Profile, Risk Factors, and Outcomes in India: The Indo-US Collaborative Stroke Project.

Ischemic Stroke Profile, Risk Factors, and Outcomes in India: The Indo-US Collaborative Stroke Project.
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Sylaja PN, Pandian JD, Kaul S, Srivastava MVP, Khurana D, Schwamm LH, Kesav P, Arora D, Pannu A, Thankachan TK, Singhal AB,


Sylaja PN, Pandian JD, Kaul S, Srivastava MVP, Khurana D, Schwamm LH, Kesav P, Arora D, Pannu A, Thankachan TK, Singhal AB, (click to view)

Sylaja PN, Pandian JD, Kaul S, Srivastava MVP, Khurana D, Schwamm LH, Kesav P, Arora D, Pannu A, Thankachan TK, Singhal AB,

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Stroke 2017 11 22() pii STROKEAHA.117.018700
Abstract
BACKGROUND AND PURPOSE
The Indo-US Collaborative Stroke Project was designed to characterize ischemic stroke across 5 high-volume academic tertiary hospitals in India.

METHODS
From January 2012 to August 2014, research coordinators and physician coinvestigators prospectively collected data on 2066 patients with ischemic stroke admitted <2 weeks after onset. Investigator training and supervision and data monitoring were conducted by the US site (Massachusetts General Hospital, Boston). RESULTS
The mean age was 58.3±14.7 years, 67.2% men. The median admission National Institutes of Health Stroke Scale score was 10 (interquartile range, 5-15) and 24.5% had National Institutes of Health Stroke Scale ≥16. Hypertension (60.8%), diabetes mellitus (35.7%), and tobacco use (32.2%, including bidi/smokeless tobacco) were common risk factors. Only 4% had atrial fibrillation. All patients underwent computed tomography or magnetic resonance imaging; 81% had cerebrovascular imaging. Stroke etiologic subtypes were large artery (29.9%), cardiac (24.9%), small artery (14.2%), other definite (3.4%), and undetermined (27.6%, including 6.7% with incomplete evaluation). Intravenous or intra-arterial thrombolysis was administered in 13%. In-hospital mortality was 7.9%, and 48% achieved modified Rankin Scale score 0 to 2 at 90 days. On multivariate analysis, diabetes mellitus predicted poor 3-month outcome and younger age, lower admission National Institutes of Health Stroke Scale and small-artery etiology predicted excellent 3-month outcome.

CONCLUSIONS
These comprehensive and novel clinical imaging data will prove useful in refining stroke guidelines and advancing stroke care in India.

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