Use of CTA test dose to trigger a low cardiac output protocol improves acute stroke CTP data analyzed with RAPID software

JB Hartman, S Moran, C Zhu, J Sharp… - American Journal …, 2022 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Contrast curve truncation in CTP protocols may introduce
errors. We sought to identify risk factors and design a protocol to avoid truncation while …

[HTML][HTML] CTP: time for patient-tailored acquisition protocols

J Molad - AJNR: American Journal of Neuroradiology, 2022 - ncbi.nlm.nih.gov
The use of perfusion imaging has greatly increased during the recent decade, becoming an
integral part of the acute stroke imaging protocol, 1 and it is now included in recent acute …

Comparing vessel imaging: noncontrast computed tomography/computed tomographic angiography should be the new minimum standard in acute disabling stroke

AM Demchuk, BK Menon, M Goyal - Stroke, 2016 - Am Heart Assoc
274 Stroke January 2016 delay to reperfusion. 5 CTA can be time efficient when
immediately performed after noncontrast CT (NCCT), usually adding only 2 to 5 minutes to …

Contrast bolus interference in a multimodal CT stroke protocol

E Kellner, A Rau, T Demerath… - American Journal of …, 2021 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Whether CTP is performed before or after CTA varies
within multimodal CT stroke protocols. CTA after CTP might show venous filling, and CTP …

CT perfusion with increased temporal sampling interval to predict target mismatch status in patients with acute ischemic stroke

G Ma, YZ Cao, GC Shen, SS Lu, YX Zhang, Y Zhang… - Neuroradiology, 2023 - Springer
Purpose To evaluate the feasibility of using CT perfusion (CTP) with increased temporal
sampling interval to predict the target mismatch status in acute ischemic stroke (AIS) patients …

Objective evaluation of CT time efficiency in acute stroke response

CL Brunnquell, GD Avey, TP Szczykutowicz - Journal of the American …, 2018 - jacr.org
Timely diagnosis and therapy is essential in stroke response, because time-efficient CT
imaging in acute stroke can significantly contribute to preserved neural circuitry and …

Dose reduction in perfusion CT in stroke patients by lowering scan frequency does not affect automatically calculated infarct core volumes

GM Karwacki, S Vögele, KA Blackham - Journal of Neuroradiology, 2019 - Elsevier
Background and purpose CT Perfusion technique (CTP) is a quantitative, easily performed,
accepted and reliable method for detection of ischemic brain changes. Based on calculated …

Whole-brain adaptive 70-kVp perfusion imaging with variable and extended sampling improves quality and consistency while reducing dose

I Corcuera-Solano, AM McLellan… - American Journal …, 2014 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Despite common use of CTP to assess cerebral
hemodynamics in the setting of ischemia, concerns over radiation exposure remain. Our aim …

Quantitative dose dependency analysis of whole-brain CT perfusion imaging

R Manniesing, MTH Oei, B van Ginneken, M Prokop - Radiology, 2016 - pubs.rsna.org
Purpose To quantitatively assess whether decreasing total radiation dose of the image
acquisition protocol has an effect on cerebral CT perfusion values in patients with acute …

CTP infarct core may predict poor outcome in stroke patients treated with IV t-PA

TC Wu, C Sitton, A Potter, R Bowry, P Sahota… - Journal of the …, 2014 - Elsevier
Background Computerized tomography perfusion (CTP) has been widely studied in
assessing physiological brain tissue parameters in patients with acute ischemic stroke (AIS) …