FLAIR Vascular Hyperintensities as a Surrogate of Collaterals in Acute Stroke: DWI Matters

References

1. 1.↵
   1. Seners P,
   2. Roca P,
   3. Legrand L, et al

   . Better collaterals are independently associated with post-thrombolysis recanalization before thrombectomy. Stroke 2019;50:867–72 doi:10.1161/STROKEAHA.118.022815 pmid:30908160

   CrossRefPubMed
2. 2.↵
   1. Kim SJ,
   2. Son JP,
   3. Ryoo S, et al

   . A novel magnetic resonance imaging approach to collateral flow imaging in ischemic stroke. Ann Neurol 2014;76:356–69 doi:10.1002/ana.24211 pmid:24985162

   CrossRefPubMed
3. 3.↵
   1. Powers WJ,
   2. Rabinstein AA,
   3. Ackerson T, et al

   . Guidelines for the Early Management of Patients with Acute Ischemic Stroke: 2019 Update to the 2018 Guidelines for the Early Management of Acute Ischemic Stroke—A Guideline for Healthcare Professionals From the American Heart Association/American Stroke Association. Stroke 2019;50:e344–418 doi:10.1161/STR.0000000000000211 pmid:31662037

   CrossRefPubMed
4. 4.↵
   1. Goyal M,
   2. Demchuk AM,
   3. Menon BK, et al

   ; ESCAPE Trial Investigators. Randomized assessment of rapid endovascular treatment of ischemic stroke. N Engl J Med 2015;372:1019–30 doi:10.1056/NEJMoa1414905 pmid:25671798

   CrossRefPubMed
5. 5.↵
   1. Higashida RT,
   2. Furlan AJ,
   3. Roberts H, et al

   ; Technology Assessment Committee of the Society of Interventional Radiology. Trial design and reporting standards for intra-arterial cerebral thrombolysis for acute ischemic stroke. Stroke 2003;34:e109–37 doi:10.1161/01.STR.0000082721.62796.09 pmid:12869717

   Abstract/FREE Full Text
6. 6.↵
   1. Zaidat OO,
   2. Yoo AJ,
   3. Khatri P, et al

   ; STIR Thrombolysis in Cerebral Infarction (TICI) Task Force. Recommendations on angiographic revascularization grading standards for acute ischemic stroke: a consensus statement. Stroke 2013;44:2650–63 doi:10.1161/STROKEAHA.113.001972 pmid:23920012

   FREE Full Text
7. 7.↵
   1. Campbell BC,
   2. Christensen S,
   3. Tress BM, et al

   ; EPITHET Investigators. Failure of collateral blood flow is associated with infarct growth in ischemic stroke. J Cereb Blood Flow Metab 2013;33:1168–72 doi:10.1038/jcbfm.2013.77 pmid:23652626

   CrossRefPubMed
8. 8.↵
   1. Sanossian N,
   2. Saver JL,
   3. Alger JR, et al

   . Angiography reveals that fluid-attenuated inversion recovery vascular hyperintensities are due to slow flow, not thrombus. AJNR Am J Neuroradiol 2009;30:564–68 doi:10.3174/ajnr.A1388 pmid:19022866

   Abstract/FREE Full Text
9. 9.↵
   1. Azizyan A,
   2. Sanossian N,
   3. Mogensen MA, et al

   . Fluid-attenuated inversion recovery vascular hyperintensities: an important imaging marker for cerebrovascular disease. AJNR Am J Neuroradiol 2011;32:1771–75 doi:10.3174/ajnr.A2265 pmid:21051516

   Abstract/FREE Full Text
10. 10.↵
    1. Lee KY,
    2. Kim JW,
    3. Park M, et al

    . Interpretation of fluid-attenuated inversion recovery vascular hyperintensity in stroke. J Neuroradiol 2022;49:258–66 doi:10.1016/j.neurad.2021.01.009 pmid:33515596

    CrossRefPubMed
11. 11.↵
    1. Zeng L,
    2. Chen J,
    3. Liao H, et al

    . Fluid-attenuated inversion recovery vascular hyperintensity in cerebrovascular disease: a review for radiologists and clinicians. Front Aging Neurosci 2021;13:790626 doi:10.3389/fnagi.2021.790626 pmid:34975459

    CrossRefPubMed
12. 12.↵
    1. Legrand L,
    2. Tisserand M,
    3. Turc G, et al

    . Do FLAIR vascular hyperintensities beyond the DWI lesion represent the ischemic penumbra? AJNR Am J Neuroradiol 2015;36:269–74 doi:10.3174/ajnr.A4088 pmid:25190202

    Abstract/FREE Full Text
13. 13.↵
    1. Reyes D,
    2. Simpkins AN,
    3. Hitomi E, et al

    . Estimating perfusion deficits in acute stroke patients without perfusion imaging. Stroke 2022;53:3439–45 doi:10.1161/STROKEAHA.121.038101 pmid:35866426

    CrossRefPubMed
14. 14.↵
    1. Legrand L,
    2. Tisserand M,
    3. Turc G, et al

    . Fluid-attenuated inversion recovery vascular hyperintensities-diffusion-weighted imaging mismatch identifies acute stroke patients most likely to benefit from recanalization. Stroke 2016;47:424–27 doi:10.1161/STROKEAHA.115.010999 pmid:26732567

    Abstract/FREE Full Text
15. 15.↵
    1. Legrand L,
    2. Turc G,
    3. Edjlali M, et al

    ; THRACE Investigators. Benefit from revascularization after thrombectomy according to FLAIR vascular hyperintensities-DWI mismatch. Eur Radiol 2019;29:5567–76 doi:10.1007/s00330-019-06094-y pmid:30903341

    CrossRefPubMed
16. 16.↵
    1. Wang Y,
    2. Zhou Z,
    3. Ding S

    . FLAIR vascular hyperintensity-DWI mismatch most likely to benefit from recanalization and good outcome after stroke. Medicine (Baltimore) 2020;99:e18665 doi:10.1097/MD.0000000000018665 pmid:31914055

    CrossRefPubMed
17. 17.↵
    1. Bossuyt PM,
    2. Reitsma JB,
    3. Bruns DE, et al

    ; STARD Group. STARD 2015: an updated list of essential items for reporting diagnostic accuracy studies. BMJ 2015;351:h5527 doi:10.1136/bmj.h5527 pmid:26511519

    FREE Full Text
18. 18.↵
    1. Seners P,
    2. Turc G,
    3. Naggara O, et al

    ; PREDICT-RECANAL Collaborators. Post-thrombolysis recanalization in stroke referrals for thrombectomy: incidence, predictors, and prediction scores. Stroke 2018;49:2975–82 doi:10.1161/STROKEAHA.118.022335

    CrossRefPubMed
19. 19.↵
    Haute Autorité de Santé. Stroke: early management (alert, prehospital phase, initial hospital phase, indications for thrombolysis). Clinical Practice Guidelines, 2009. https://www.has-sante.fr/upload/docs/application/pdf/2010-03/stroke_early_management_-_guidelines_-_english_version.pdf. Accessed June 29, 2022
20. 20.↵
    1. Purushotham A,
    2. Campbell BC,
    3. Straka M, et al

    . Apparent diffusion coefficient threshold for delineation of ischemic core. Int J Stroke 2015;10:348–53 doi:10.1111/ijs.12068 pmid:23802548

    CrossRefPubMed
21. 21.↵
    1. Seners P,
    2. Turc G,
    3. Lion S, et al

    . Relationships between brain perfusion and early recanalization after intravenous thrombolysis for acute stroke with large vessel occlusion. J Cereb Blood Flow Metab 2020;40:667–77 doi:10.1177/0271678X19836288 pmid:30890074

    CrossRefPubMed
22. 22.↵
    1. Campbell BCV,
    2. Majoie C,
    3. Albers GW, et al

    ; HERMES Collaborators. Penumbral imaging and functional outcome in patients with anterior circulation ischaemic stroke treated with endovascular thrombectomy versus medical therapy: a meta-analysis of individual patient-level data. Lancet Neurol 2019;18:46–55 doi:10.1016/S1474-4422(18)30314-4 pmid:30413385

    CrossRefPubMed
23. 23.↵
    1. Albers GW,
    2. Marks MP,
    3. Kemp S, et al

    ; DEFUSE 3 Investigators. Thrombectomy for stroke at 6 to 16 hours with selection by perfusion imaging. N Engl J Med 2018;378:708–18 doi:10.1056/NEJMoa1713973 pmid:29364767

    CrossRefPubMed
24. 24.↵
    1. Olivot JM,
    2. Mlynash M,
    3. Inoue M, et al

    ; DEFUSE 2 Investigators. Hypoperfusion intensity ratio predicts infarct progression and functional outcome in the DEFUSE 2 cohort. Stroke 2014;45:1018–23 doi:10.1161/STROKEAHA.113.003857 pmid:24595591

    Abstract/FREE Full Text
25. 25.↵
    1. Barber PA,
    2. Demchuk AM,
    3. 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 doi:10.1016/S0140-6736(00)02237-6 pmid:10905241

    CrossRefPubMedWeb of Science
26. 26.↵
    1. Mahdjoub E,
    2. Turc G,
    3. Legrand L, et al

    . Do fluid-attenuated inversion recovery vascular hyperintensities represent good collaterals before reperfusion therapy? AJNR Am J Neuroradiol 2018;39:77–83 doi:10.3174/ajnr.A5431 pmid:29074634

    Abstract/FREE Full Text
27. 27.↵
    1. Lyu JH,
    2. Zhang SH,
    3. Wang XY, et al

    . FLAIR vessel hyperintensities predict functional outcomes in patients with acute ischemic stroke treated with medical therapy. Eur Radiol 2022;32:5436–45 doi:10.1007/s00330-022-08661-2 pmid:35278120

    CrossRefPubMed
28. 28.↵
    1. Liebeskind DS

    . Collateral circulation. Stroke 2003;34:2279–84 doi:10.1161/01.STR.0000086465.41263.06 pmid:12881609

    Abstract/FREE Full Text
29. 29.↵
    1. Ben Hassen W,
    2. Malley C,
    3. Boulouis G, et al

    . Inter- and intraobserver reliability for angiographic leptomeningeal collateral flow assessment by the American Society of Interventional and Therapeutic Neuroradiology/Society of Interventional Radiology (ASITN/SIR) scale. J Neurointerv Surg 2019;11:338–41 doi:10.1136/neurintsurg-2018-014185 pmid:30131382

    Abstract/FREE Full Text
30. 30.↵
    1. Son JP,
    2. Lee MJ,
    3. Kim SJ, et al

    . Impact of slow blood filling via collaterals on infarct growth: comparison of mismatch and collateral status. J Stroke 2017;19:88–96 doi:10.5853/jos.2016.00955 pmid:28030891

    CrossRefPubMed
31. 31.↵
    1. Liu D,
    2. Scalzo F,
    3. Rao NM, et al

    . Fluid-attenuated inversion recovery vascular hyperintensity topography, novel imaging marker for revascularization in middle cerebral artery occlusion. Stroke 2016;47:2763–69 doi:10.1161/STROKEAHA.116.013953 pmid:27659851

    Abstract/FREE Full Text
32. 32.↵
    1. Zhou Z,
    2. Malavera A,
    3. Yoshimura S, et al

    . Clinical prognosis of FLAIR hyperintense arteries in ischaemic stroke patients: a systematic review and meta-analysis. J Neurol Neurosurg Psychiatry 2020;91:475–82 doi:10.1136/jnnp-2019-322625 pmid:32217786

    Abstract/FREE Full Text
33. 33.↵
    1. Maruyama D,
    2. Yamada T,
    3. Murakami M, et al

    . FLAIR vascular hyperintensity with DWI for regional collateral flow and tissue fate in recanalized acute middle cerebral artery occlusion. Eur J Radiol 2021;135:109490 doi:10.1016/j.ejrad.2020.109490 pmid:33360270

    CrossRefPubMed
34. 34.↵
    1. Zhou SB,
    2. Zhang XM,
    3. Gao Y, et al

    . Diffusion-weighted imaging volume and diffusion-weighted imaging volume growth in acute stroke: associations with fluid-attenuated inversion recovery hyperintensities-diffusion-weighted imaging mismatch and functional outcome. Neuroreport 2019;30:875–81 doi:10.1097/WNR.0000000000001291 pmid:31373966

    CrossRefPubMed
35. 35.↵
    1. Jiang L,
    2. Peng M,
    3. Geng W, et al

    . FLAIR hyperintensities-DWI mismatch in acute stroke: associations with DWI volume and functional outcome. Brain Imaging Behav 2020;14:1230–37 doi:10.1007/s11682-019-00156-x pmid:31250263

    CrossRefPubMed
36. 36.↵
    1. Nave AH,
    2. Kufner A,
    3. Bucke P, et al

    . Hyperintense vessels, collateralization, and functional outcome in patients with stroke receiving endovascular treatment. Stroke 2018;49:675–81 doi:10.1161/STROKEAHA.117.019588 pmid:29459394

    Abstract/FREE Full Text
37. 37.↵
    1. Jiang L,
    2. Chen YC,
    3. Zhang H, et al

    . FLAIR vascular hyperintensity in acute stroke is associated with collateralization and functional outcome. Eur Radiol 2019;29:4879–88 doi:10.1007/s00330-019-06022-0 pmid:30762112

    CrossRefPubMed
38. 38.↵
    1. Ahn SJ,
    2. Lee KY,
    3. Ahn SS, et al

    . Can FLAIR hyperintense vessel (FHV) signs be influenced by varying MR parameters and flow velocities? A flow phantom analysis. Acta Radiol 2016;57:580–86 doi:10.1177/0284185115592060 pmid:26124459

    CrossRefPubMed
39. 39.↵
    1. Schellinger PD,
    2. Chalela JA,
    3. Kang DW, et al

    . Diagnostic and prognostic value of early MR imaging vessel signs in hyperacute stroke patients imaged <3 hours and treated with recombinant tissue plasminogen activator. AJNR Am J Neuroradiol 2005;26:618–24 pmid:15764589

    PubMedWeb of Science
40. 40.↵
    1. Derraz I,
    2. Pou M,
    3. Labreuche J, et al

    ; ASTER and the THRACE Trials Investigators. Clot burden score and collateral status and their impact on functional outcome in acute ischemic stroke. AJNR Am J Neuroradiol 2021;42:42–48 doi:10.3174/ajnr.A6865 pmid:33184069

    Abstract/FREE Full Text