Three-dimensional perfusion imaging in acute cerebral infarction

VernacularTitle:三维CT灌注成像在急性脑梗死中的应用
Author: Feng DAI ; Gejun GAO ; Song WEN ; Lihui YAN
Publication Type:Journal Article
Keywords: Tomography,X-ray computed; Perfusion weighted imaging; Perfusion blood volume
From: Chinese Journal of Medical Imaging Technology 2009;25(7):1160-1162
CountryChina
Language:Chinese
Abstract: Objective To assess the value of whole cerebral perfusion weighted map (PWM) and whole cerebral perfusion blood volume (PBV) integrating in scan protocol about CT perfusion (CTP) combined with CT angiography (CTA) in acute cerebral infarction. Methods Twenty-three patients with acute cerebral infarction proved clinically underwent CTP examination combined with CTA. The color-coded images of PWM and PBV were attained using workstation, and the raw data of contract CTA images and subtractive images between contract CTA and non-contract CTA were processed. The diagnostic sensitivity and the value of CTP and PWM, PBV integrating CTP in acute cerebral infraction were evaluated. Results Seven of 9 patients with negative results on CTP images had positive expressions on PWM and PBV images. The sensitivity of CTP was 60.87% and the sensitivity of PWM and PBV integrating CTP was 91.30%. Conclusion The scan protocol of PWM, PBV integrating CTP not only increases detection rate of acute cerebral infraction, but also has ability to predict the clinical prognosis of patients with cerebral infraction.