Alberta stroke program early CT scoring of CT perfusion in early stroke visualization and assessment

American Journal of Neuroradiology

Volumn 28, Issue 10, 2007, Pages 1975-1980

  Aviv, R I ^a   Mandelcorn, J ^a   Chakraborty, S ^a   Gladstone, D ^a   Malham, S ^a   Tomlinson, G ^b   Fox, A J ^a   Symons, S ^a  

^a SUNNYBROOK RESEARCH INSTITUTE   (Canada)

^b UNIVERSITY OF TORONTO   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

IOHEXOL; TISSUE PLASMINOGEN ACTIVATOR;

ADULT; AGED; ARTICLE; BLOOD VOLUME; BRAIN BLOOD FLOW; BRAIN INFARCTION SIZE; CEREBRAL ARTERY DISEASE; CLINICAL ARTICLE; COMPUTER ASSISTED TOMOGRAPHY; CONTINUOUS INFUSION; CONTROLLED STUDY; FEMALE; FOLLOW UP; HUMAN; MALE; MEDICAL ASSESSMENT; PERFUSION; RADIODIAGNOSIS; SCORING SYSTEM; SENSITIVITY AND SPECIFICITY; STROKE;

ADULT; AGED; AGED, 80 AND OVER; BLOOD FLOW VELOCITY; BLOOD VOLUME; CEREBRAL ANGIOGRAPHY; CEREBROVASCULAR CIRCULATION; FEMALE; HUMANS; INFARCTION, MIDDLE CEREBRAL ARTERY; MALE; MIDDLE AGED; PREDICTIVE VALUE OF TESTS; PROGNOSIS; ROC CURVE; SENSITIVITY AND SPECIFICITY; STROKE; TOMOGRAPHY, X-RAY COMPUTED;

EID: 36448990426     PISSN: 01956108     EISSN: None     Source Type: Journal    
DOI: 10.3174/ajnr.A0689     Document Type: Article

References (34)

1. von Kummer R, Nolte PN, Schnittger H, et al. Detectabilityof cerebral hemisphere ischaemic infarcts by CT within 6 h of stroke. Neuroradiology 1996;38:31-33
2. Mullins ME, Lev MH, Schellingerhout D, et al. Influence of availability of clinical history on detection of early stroke using unenhanced CT and diffusion-weighted MR imaging. AJR Am J Roentgenol 2002;179:223-28
3. Lev MH, Farkas J, Gemmete JJ, et al. Acute stroke: improved nonenhanced CT detection-benefits of soft-copy interpretation by using variable window width and center level settings. Radiology 1999;213:150-55
4. Barber PA, Demchuk AM, Zhang J, et al. Validity and reliability of a quantitative computed tomography score in predicting outcome of hyperacute stroke before thrombolytic therapy: ASPECTS Study Group - Alberta Stroke Programme Early CT Score. Lancet 2000;355:1670-74
5. Coutts SB, Lev MH, Eliasziw M, et al. ASPECTS on CTA source images versus unenhanced CT: added value in predicting final infarct extent and clinical outcome. Stroke 2004;35:2472-76
6. Haley EC Jr, Lewandowski C, Tilley BC. Myths regarding the NINDS rt-PA Stroke Trial: setting the record straight. Ann Emerg Med 1997;30:676-82
7. Saposnik G, Di Legge S, Webster F, et al. Predictors of major neurologic improvement after thrombolysis in acute stroke. Neurology 2005;65:1169-74
8. Brown DL, Johnston KC, Wagner DP, et al. Predicting major neurological improvement with intravenous recombinant tissue plasminogen activator treatment of stroke. Stroke 2004;35:147-50
9. Alexandrov AV, Demchuk AM, Felberg RA, et al. High rate of complete recanalization and dramatic clinical recovery during tPA infusion when continuously monitored with 2-MHz transcranial Doppler monitoring. Stroke 2000;31:610-14
10. Weir NU, Pexman JH, Hill MD, et al. CASES investigators: how well does ASPECTS predict the outcome of acute stroke treated with IV tPA? Neurology 2006;67:516-18
11. Cohnen M, Wittsack HJ, Assadi S, et al. Radiation exposure of patients in comprehensive computed tomography of the head in acute stroke. AJNR Am J Neuroradiol 2006;27:1741-45
12. Pexman JH, Barber PA, Hill MD, et al. Use of the Alberta Stroke Program Early CT Score (ASPECTS) for assessing CT scans in patients with acute stroke. AJNR Am J Neuroradiol 2001;22:1534-42
13. Schaefer PW, Roccatagliata L, Ledezma C, et al. First-pass quantitative CT perfusion identifies thresholds for salvageable penumbra in acute stroke patients treated with intra-arterial therapy. AJNR Am J Neuroradiol 2006;27:20-25
14. Wintermark M, Flanders AE, Velthuis B, et al. Perfusion-CT assessment of infarct core and penumbra: receiver operating characteristic curve analysis in 130 patients suspected of acute hemispheric stroke. Stroke 2006;37:979-85
15. Murphy BD, Fox AJ, Lee DH, et al. Identification of penumbra and infarct in acute ischemic stroke using computed tomography perfusion-derived blood flow and blood volume measurements. Stroke 2006;37:1771-77
16. Schaefer PW, Roccatagliata L, Ledezma C, et al. First-pass quantitative CT perfusion identifies thresholds for salvageable penumbra in acute stroke patients treated with intra-arterial therapy. AJNR Am J Neuroradiol 2006;27:20-25
17. Wintermark M, Reichhart M, Thiran JP, et al. Prognostic accuracy of cerebral blood flow measurement by perfusion computed tomography, at the time of emergency room admission, in acute stroke patients. Ann Neurol 2002;51:417-32
18. Roberts HC, Roberts TP, Smith WS, et al. Multisection dynamic CT perfusion for acute cerebral ischemia: the "toggling-table" technique. AJNR Am J Neuroradiol 2001;22:1077-80
19. Wintermark M, Smith WS, Ko NU, et al. Dynamic perfusion CT: optimizing the temporal resolution and contrast volume for calculation of perfusion CT parameters in stroke patients. AJNR Am J Neuroradiol 2004;25:720-29
20. Adams HP Jr, Adams RJ, Brott T, et al. Guidelines for the early management of patients with ischemic stroke: a scientific statement from the Stroke Council of the American Stroke Association. Stroke 2003;34:1056-83
21. Moulin T, Cattin F, Crepin-Leblond T, et al. Early CT signs in acute middle cerebral artery infarction: predictive value for subsequent infarct locations and outcome. Neurology 1996;47:366-75
22. von Kummer R, Bourquain H, Bastianello S, et al. Early prediction of irreversible brain damage after ischemic stroke at CT. Radiology 2001;219:95-100
23. Hill MD, Rowley HA, Adler F, et al, and the PROACT-II Investigators. Selection of acute ischemic stroke patients for intra-arterial thrombolysis with prourokinase by using ASPECTS. Stroke 2003;34:1925-31. Epub 2003 Jul 3
24. Hacke W, Kaste M, Fieschi C, et al. Intravenous thrombolysis with recombinant tissue plasminogen activator for acute hemispheric stroke:+- The European Cooperative Acute Stroke Study (ECASS). JAMA 1995;274:1017-25
25. Dzialowski I, Hill MD, Coutts SB, et al. Extent of early ischemic changes on computed tomography (CT) before thrombolysis: prognostic value of the Alberta Stroke Program Early CT Score in ECASSII. Stroke 2006;37:973-78
26. Cornu C, Boutitie F, Candelise L, et al. Streptokinase in acute ischemic stroke: an individual patient data meta-analysis - the Thrombolysis in Acute Stroke Pooling Project. Stroke 2000;31:1555-60
27. Patel SC, Levine SR, Tilley BC, et al. Lack of clinical significance of early ischemic changes on computed tomography in acute stroke. JAMA 2001;286:2830-38
28. Hill MD, Demchuk AM, Tomsick TA, et al. Using the baseline CT scan to select acute stroke patients for IV-IA therapy. AJNR Am J Neuroradiol 2006;27:1612-16
29. Tissue plasminogen activator for acute ischemic stroke: The National Institute of Neurological Disorders and Stroke rt-PA Stroke Study Group. N Engl J Med 1995;333:1581-87
30. Wardlaw JM, Dorman PJ, Lewis SC, et al. Can stroke physicians and neuroradiologists identify signs of early cerebral infarction on CT. J Neurol Neurosurg Psychiatry 1999;67:651-53
31. Sobesky J, von Kummer R, Frackowiak M, et al. Early ischemic edema on cerebral computed tomography: its relation to diffusion changes and hypoperfusion within 6 hours after human ischemic stroke - a comparison of CT, MRI and PET. Cerebrovasc Dis 2006;21:336-39
32. Na DG, Kim EY, Ryoo JW, et al. CT sign of brain swelling without concomitant parenchymal hypoattenuation: comparison with diffusion- and perfusion-weighted MR imaging. Radiology 2005;235:992-48
33. Parsons MW, Pepper EM, Chan V, et al. Perfusion computed tomography: prediction of final infarct extent and stroke outcome. Ann Neurol 2005;58:672-79
34. Jahan R, Duckwiler GR, Kidwell CS, et al. Intraarterial thrombolysis for treatment of acute stroke: experience in 26 patients with long-term follow-up. AJNR Am J Neuroradiol 1999;20:1291-99