Early stroke detection and extent: impact of experience and the role of computed tomography angiography source images.

Abstract:

AIM:To test the performance of computed tomography angiography "source images" (CTA-SI) versus unenhanced CT (NCCT) for stroke detection and extent using the Alberta Stroke Programme Early CT Score (ASPECTS), and examine the effect of experience and clinical history. MATERIALS AND METHODS:Studies of 23 consecutive patients presenting within 4.5h were analysed by three reviewers of varying experience. Each reviewer, blinded to clinical information reviewed a random order of NCCT and CTA-SI and documented side of infarct and the ASPECTS. The readings were repeated for CTA-SI with and without clinical information. Performance measures and observer agreement were calculated. Applying an ASPECTS threshold of

journal_name

Clin Radiol

journal_title

Clinical radiology

authors

Aviv RI,Shelef I,Malam S,Chakraborty S,Sahlas DJ,Tomlinson G,Symons S,Fox AJ

doi

10.1016/j.crad.2006.11.019

subject

Has Abstract

pub_date

2007-05-01 00:00:00

pages

447-52

issue

5

eissn

0009-9260

issn

1365-229X

pii

S0009-9260(07)00008-6

journal_volume

62

pub_type

杂志文章
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