Prognostic value of arterial spin-labeling perfusion in anoxic brain injury: A retrospective cohort study Article Swipe
Bryce D. Beutler
,
Daniel Antwi‐Amoabeng
,
Dane Weinert
,
Ishan Shah
,
Mark B. Ulanja
,
Alastair E. Moody
,
Xiaomeng Lei
,
Alexander Lerner
,
Mark S. Shiroishi
,
Reza Assadsangabi
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.4329/wjr.v17.i8.111065
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.4329/wjr.v17.i8.111065
BACKGROUND Anoxic brain injury is a potentially lethal condition characterized by cerebral hypoperfusion and irreversible neuronal injury. Arterial spin-labeling (ASL) perfusion and diffusion-weighted imaging (DWI) magnetic resonance imaging (MRI) have been proposed as tools to detect cerebral ischemic changes and may aid in the assessment of anoxic injury. AIM To explore the relationship between regional ASL perfusion patterns and clinical outcomes following cardiac arrest. METHODS We performed a retrospective review to identify patients with clinical suspicion of anoxic brain injury who underwent MRI within 15 days of cardiac arrest. Receiver operator characteristic (ROC) analysis and univariate logistic regression were used to evaluate associations between ASL perfusion scores, DWI signal intensity, and the following clinical features: (1) Myoclonus status epilepticus (MSE) within 24 hours; (2) Absent extensor or motor reflexes (EMR) at day 3 post-arrest; and (3) Absent brainstem reflexes (BSR) within 15 days. RESULTS Twenty-eight patients met inclusion criteria. Increased ASL signal in the left occipital lobe was significantly associated with MSE (P = 0.038), while a trend was observed between right frontal ASL signal and EMR (P = 0.078). ROC analysis showed that ASL scores ≥ 7 were associated with higher odds of absent BSR (OR 2.14, P = 0.53), though this did not reach statistical significance. DWI signal intensity did not show significant associations with clinical outcomes. The overall discriminatory performance of ASL for predicting outcomes was limited (AUC ≈ 0.52). CONCLUSION This exploratory study suggests that regional ASL hyperperfusion, particularly in the left occipital and right frontal lobes, may be associated with adverse clinical signs following cardiac arrest. However, most findings did not reach statistical significance, and the study was underpowered to detect small-to-moderate effects. These preliminary results should be interpreted with caution and considered hypothesis-generating. Larger, prospective studies are warranted to clarify the prognostic value of ASL perfusion imaging in anoxic brain injury.
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https://openalex.org/W4413739121Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.4329/wjr.v17.i8.111065Digital Object Identifier
- Title
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Prognostic value of arterial spin-labeling perfusion in anoxic brain injury: A retrospective cohort studyWork title
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articleOpenAlex work type
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enPrimary language
- Publication year
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2025Year of publication
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2025-08-27Full publication date if available
- Authors
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Bryce D. Beutler, Daniel Antwi‐Amoabeng, Dane Weinert, Ishan Shah, Mark B. Ulanja, Alastair E. Moody, Xiaomeng Lei, Alexander Lerner, Mark S. Shiroishi, Reza AssadsangabiList of authors in order
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https://doi.org/10.4329/wjr.v17.i8.111065Publisher landing page
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https://www.f6publishing.com/forms/main/DownLoadFile.aspx?Type=Digital&TypeId=22&id=10.4329%2fwjr.v17.i8.111065&FilePath=9E2480CB5D89933EA1E952D446DC733FFA4F62EBE69AE354B45324E401938B0DE11B31C3BDB51844A2ADC421FEAFD670B903239CCA2A9C46Direct link to full text PDF
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https://www.f6publishing.com/forms/main/DownLoadFile.aspx?Type=Digital&TypeId=22&id=10.4329%2fwjr.v17.i8.111065&FilePath=9E2480CB5D89933EA1E952D446DC733FFA4F62EBE69AE354B45324E401938B0DE11B31C3BDB51844A2ADC421FEAFD670B903239CCA2A9C46Direct OA link when available
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Medicine, Retrospective cohort study, Anoxic waters, Arterial spin labeling, Cohort, Perfusion, Perfusion scanning, Value (mathematics), Cardiology, Internal medicine, Machine learning, Chemistry, Computer science, Environmental chemistryTop concepts (fields/topics) attached by OpenAlex
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