Observational studyAJNR. American journal of neuroradiology2021
Rescan Time Delays in Ischemic Stroke Imaging: A Retrospective Observation and Analysis of Causes and Clinical Impact.
Observational study in AJNR. American journal of neuroradiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Timely access to computed tomography and magnetic resonance imaging in acute critical conditions: clinical and health system outcomes. A scoping review.Emergency radiology · 2026Article
- CT-to-CT angiography time-an easy target for acute stroke pathway improvement: a retrospective analysis of time from CT to CT angiography in thrombectomy for ischemic stroke.The British journal of radiology · 2026Article
- Acute stroke imaging protocols and decision-making criteria for endovascular thrombectomy in acute ischemic stroke: a nationwide survey of thrombectomy-capable centers in Korea.BMC neurology · 2025Article
- Impact of Pre-Hospital and in-Hospital Optimization on the Management of Intravenous Thrombolysis in Hyperacute Ischemic Stroke: A Scoping Review.Risk management and healthcare policy · 2025Review
- The Rapid Arterial oCclusion Evaluation (RACE) scale accuracy for diagnosis of acute ischemic stroke in emergency department - A multicenter study.BMC emergency medicine · 2023Article
- Updated Trends, Disparities, and Clinical Impact of Neuroimaging Utilization in Ischemic Stroke in the Medicare Population: 2012 to 2019.Journal of the American College of Radiology : JACR · 2022Article
- Health Equity: What the Neuroradiologist Needs to Know.AJNR. American journal of neuroradiology · 2022Article
- Automated detection of hyperdense artery sign on non-contrast CT for rapid identification of large vessel occlusion: a multicenter validation study.Frontiers in neurologyArticle
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Authors and funding
9 authors.
Funding
Abstract
background and purposeDelays to reperfusion negatively impact outcomes of patients with ischemic stroke, yet current guidelines recommend selective sequential imaging for thrombectomy candidates. We aimed to quantify and analyze time delays associated with rescanning in sequential acute stroke imaging. MATERIALS AND
methodsThis was a retrospective cohort study of consecutive patients with acute ischemic stroke who underwent imaging for treatment decision-making from January 1, 2017, to June 30, 2020. Rescan time delay was defined as ≥10-minute difference between initial NCCT and CTA ± CTP. Mean rescan time delays in comprehensive and primary stroke centers were compared. Bivariate and multivariable regression analyses assessed clinical and imaging factors associated with rescanning time delays and early outcomes.
resultsA total of 588 patients with acute ischemic were included in statistical analyses. Rescanning occurred in 27.9% (164/588 patients), with a mean time delay of 53.7 (SD, 43.4) minutes. For patients presenting at primary compared with comprehensive stroke centers, rescan time delays were more common (59.6% versus 11.8%,
conclusionsA sequential approach to CT-based imaging may be significantly associated with prolonged acute stroke evaluations. Adoption of early simultaneous comprehensive CT could minimize treatment delays and improve outcomes.
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