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Items: 1 to 50 of 63

1.

Rapid quantitative susceptibility mapping of intracerebral hemorrhage.

De A, Sun H, Emery DJ, Butcher KS, Wilman AH.

J Magn Reson Imaging. 2019 Jul 5. doi: 10.1002/jmri.26850. [Epub ahead of print]

PMID:
31276278
2.

One-Year Healthcare Utilization for Patients That Received Endovascular Treatment Compared With Control.

Kamal N, Rogers E, Stang J, Mann B, Butcher KS, Rempel J, Jeerakathil T, Shuaib A, Goyal M, Menon BK, Demchuk AM, Hill MD.

Stroke. 2019 Jul;50(7):1883-1886. doi: 10.1161/STROKEAHA.119.024870. Epub 2019 Jun 3.

PMID:
31154945
3.

Lower Blood Pressure Is Not Associated With Decreased Arterial Spin Labeling Estimates of Perfusion in Intracerebral Hemorrhage.

Klahr AC, Kosior JC, Dowlatshahi D, Buck BH, Beaulieu C, Gioia LC, Kalashyan H, Wilman AH, Jeerakathil T, Emery DJ, Shuaib A, Butcher KS.

J Am Heart Assoc. 2019 Jun 4;8(11):e010904. doi: 10.1161/JAHA.118.010904.

4.

Extending thrombolysis to 4·5-9 h and wake-up stroke using perfusion imaging: a systematic review and meta-analysis of individual patient data.

Campbell BCV, Ma H, Ringleb PA, Parsons MW, Churilov L, Bendszus M, Levi CR, Hsu C, Kleinig TJ, Fatar M, Leys D, Molina C, Wijeratne T, Curtze S, Dewey HM, Barber PA, Butcher KS, De Silva DA, Bladin CF, Yassi N, Pfaff JAR, Sharma G, Bivard A, Desmond PM, Schwab S, Schellinger PD, Yan B, Mitchell PJ, Serena J, Toni D, Thijs V, Hacke W, Davis SM, Donnan GA; EXTEND, ECASS-4, and EPITHET Investigators.

Lancet. 2019 Jul 13;394(10193):139-147. doi: 10.1016/S0140-6736(19)31053-0. Epub 2019 May 22.

PMID:
31128925
5.

Influence of occlusion site and baseline ischemic core on outcome in patients with ischemic stroke.

Tian H, Parsons MW, Levi CR, Lin L, Aviv RI, Spratt NJ, Butcher KS, Lou M, Kleinig TJ, Bivard A.

Neurology. 2019 Jun 4;92(23):e2626-e2643. doi: 10.1212/WNL.0000000000007553. Epub 2019 May 1.

PMID:
31043475
6.

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.

Campbell BCV, Majoie CBLM, Albers GW, Menon BK, Yassi N, Sharma G, van Zwam WH, van Oostenbrugge RJ, Demchuk AM, Guillemin F, White P, Dávalos A, van der Lugt A, Butcher KS, Cherifi A, Marquering HA, Cloud G, Macho Fernández JM, Madigan J, Oppenheim C, Donnan GA, Roos YBWEM, Shankar J, Lingsma H, Bonafé A, Raoult H, Hernández-Pérez M, Bharatha A, Jahan R, Jansen O, Richard S, Levy EI, Berkhemer OA, Soudant M, Aja L, Davis SM, Krings T, Tisserand M, San Román L, Tomasello A, Beumer D, Brown S, Liebeskind DS, Bracard S, Muir KW, Dippel DWJ, Goyal M, Saver JL, Jovin TG, Hill MD, Mitchell PJ; HERMES collaborators.

Lancet Neurol. 2019 Jan;18(1):46-55. doi: 10.1016/S1474-4422(18)30314-4. Epub 2018 Nov 6. Erratum in: Lancet Neurol. 2019 Mar;18(3):e2.

PMID:
30413385
7.

The Multiple Causes of Stroke in Atrial Fibrillation: Thinking Broadly.

D'Souza A, Butcher KS, Buck BH.

Can J Cardiol. 2018 Nov;34(11):1503-1511. doi: 10.1016/j.cjca.2018.08.036. Epub 2018 Aug 30. Review.

PMID:
30404753
8.

Absolute risk and predictors of the growth of acute spontaneous intracerebral haemorrhage: a systematic review and meta-analysis of individual patient data.

Al-Shahi Salman R, Frantzias J, Lee RJ, Lyden PD, Battey TWK, Ayres AM, Goldstein JN, Mayer SA, Steiner T, Wang X, Arima H, Hasegawa H, Oishi M, Godoy DA, Masotti L, Dowlatshahi D, Rodriguez-Luna D, Molina CA, Jang DK, Davalos A, Castillo J, Yao X, Claassen J, Volbers B, Kazui S, Okada Y, Fujimoto S, Toyoda K, Li Q, Khoury J, Delgado P, Sabín JÁ, Hernández-Guillamon M, Prats-Sánchez L, Cai C, Kate MP, McCourt R, Venkatasubramanian C, Diringer MN, Ikeda Y, Worthmann H, Ziai WC, d'Esterre CD, Aviv RI, Raab P, Murai Y, Zazulia AR, Butcher KS, Seyedsaadat SM, Grotta JC, Martí-Fàbregas J, Montaner J, Broderick J, Yamamoto H, Staykov D, Connolly ES, Selim M, Leira R, Moon BH, Demchuk AM, Di Napoli M, Fujii Y, Anderson CS, Rosand J; VISTA-ICH Collaboration; ICH Growth Individual Patient Data Meta-analysis Collaborators.

Lancet Neurol. 2018 Oct;17(10):885-894. doi: 10.1016/S1474-4422(18)30253-9. Epub 2018 Aug 14. Erratum in: Lancet Neurol. 2018 Sep 19;:.

9.

Intravenous Thrombolysis May Not Improve Clinical Outcome of Acute Ischemic Stroke Patients Without a Baseline Vessel Occlusion.

Tian H, Parsons MW, Levi CR, Cheng X, Aviv RI, Spratt NJ, Kleinig TJ, O'Brien B, Butcher KS, Lin L, Zhang J, Dong Q, Chen C, Bivard A.

Front Neurol. 2018 Jun 6;9:405. doi: 10.3389/fneur.2018.00405. eCollection 2018.

10.

Quantitative Susceptibility Mapping for Following Intracranial Hemorrhage.

Sun H, Klahr AC, Kate M, Gioia LC, Emery DJ, Butcher KS, Wilman AH.

Radiology. 2018 Sep;288(3):830-839. doi: 10.1148/radiol.2018171918. Epub 2018 Jun 19.

PMID:
29916778
11.

Influence of Penumbral Reperfusion on Clinical Outcome Depends on Baseline Ischemic Core Volume.

Chen C, Parsons MW, Clapham M, Oldmeadow C, Levi CR, Lin L, Cheng X, Lou M, Kleinig TJ, Butcher KS, Dong Q, Bivard A.

Stroke. 2017 Oct;48(10):2739-2745. doi: 10.1161/STROKEAHA.117.018587. Epub 2017 Sep 8.

PMID:
28887396
12.

Cerebral Perfusion Pressure is Maintained in Acute Intracerebral Hemorrhage: A CT Perfusion Study.

Tamm AS, McCourt R, Gould B, Kate M, Kosior JC, Jeerakathil T, Gioia LC, Dowlatshahi D, Hill MD, Coutts SB, Demchuk AM, Buck BH, Emery DJ, Shuaib A, Butcher KS; ICH ADAPT Investigators.

AJNR Am J Neuroradiol. 2016 Feb;37(2):244-51. doi: 10.3174/ajnr.A4532. Epub 2015 Oct 8.

13.

Blood-brain barrier compromise does not predict perihematoma edema growth in intracerebral hemorrhage.

McCourt R, Gould B, Kate M, Asdaghi N, Kosior JC, Coutts S, Hill MD, Demchuk A, Jeerakathil T, Emery D, Butcher KS.

Stroke. 2015 Apr;46(4):954-60. doi: 10.1161/STROKEAHA.114.007544. Epub 2015 Feb 19.

PMID:
25700288
14.

Intensive blood pressure reduction in acute intracerebral hemorrhage: a meta-analysis.

Tsivgoulis G, Katsanos AH, Butcher KS, Boviatsis E, Triantafyllou N, Rizos I, Alexandrov AV.

Neurology. 2014 Oct 21;83(17):1523-9. doi: 10.1212/WNL.0000000000000917. Epub 2014 Sep 19. Review. Erratum in: Neurology. 2015 Jun 16;84(24):2466.

PMID:
25239836
15.

DWI reversal is associated with small infarct volume in patients with TIA and minor stroke.

Asdaghi N, Campbell BC, Butcher KS, Coulter JI, Modi J, Qazi A, Goyal M, Demchuk AM, Coutts SB.

AJNR Am J Neuroradiol. 2014 Apr;35(4):660-6. doi: 10.3174/ajnr.A3733. Epub 2013 Dec 12.

16.

Stroke prenotification is associated with shorter treatment times for warfarin-associated intracerebral hemorrhage.

Dowlatshahi D, Wasserman JK, Butcher KS, Bernbaum ML, Cwinn AA, Giulivi A, Lang E, Poon MC, Tomchishen-Pope J, Sharma M, Coutts SB.

Cerebrovasc Dis. 2013;36(5-6):383-7. doi: 10.1159/000355500. Epub 2013 Nov 15.

PMID:
24248034
17.

Blood pressure reduction does not reduce perihematoma oxygenation: a CT perfusion study.

Kate MP, Hansen MB, Mouridsen K, Østergaard L, Choi V, Gould BE, McCourt R, Hill MD, Demchuk AM, Coutts SB, Dowlatshahi D, Emery DJ, Buck BH, Butcher KS; ICHADAPT Investigators.

J Cereb Blood Flow Metab. 2014 Jan;34(1):81-6. doi: 10.1038/jcbfm.2013.164. Epub 2013 Sep 18.

18.

Perfusion MR predicts outcome in high-risk transient ischemic attack/minor stroke: a derivation-validation study.

Asdaghi N, Hill MD, Coulter JI, Butcher KS, Modi J, Qazi A, Goyal M, Demchuk AM, Coutts SB.

Stroke. 2013 Sep;44(9):2486-92. doi: 10.1161/STROKEAHA.111.000208. Epub 2013 Aug 1.

PMID:
23908062
19.

Prognostic evaluation based on cortical vein score difference in stroke.

Parthasarathy R, Kate M, Rempel JL, Liebeskind DS, Jeerakathil T, Butcher KS, Shuaib A.

Stroke. 2013 Oct;44(10):2748-54. doi: 10.1161/STROKEAHA.113.001231. Epub 2013 Jul 25.

20.

Advanced imaging improves prediction of hemorrhage after stroke thrombolysis.

Campbell BC, Christensen S, Parsons MW, Churilov L, Desmond PM, Barber PA, Butcher KS, Levi CR, De Silva DA, Lansberg MG, Mlynash M, Olivot JM, Straka M, Bammer R, Albers GW, Donnan GA, Davis SM; EPITHET and DEFUSE Investigators.

Ann Neurol. 2013 Apr;73(4):510-9. doi: 10.1002/ana.23837. Epub 2013 Feb 26.

21.

The Intracerebral Hemorrhage Acutely Decreasing Arterial Pressure Trial.

Butcher KS, Jeerakathil T, Hill M, Demchuk AM, Dowlatshahi D, Coutts SB, Gould B, McCourt R, Asdaghi N, Findlay JM, Emery D, Shuaib A; ICH ADAPT Investigators.

Stroke. 2013 Mar;44(3):620-6. doi: 10.1161/STROKEAHA.111.000188. Epub 2013 Feb 7.

PMID:
23391776
22.

The Alberta Stroke Prevention in TIAs and mild strokes (ASPIRE) intervention: rationale and design for evaluating the implementation of a province-wide TIA triaging system.

Jeerakathil T, Shuaib A, Majumdar SR, Demchuk AM, Butcher KS, Watson TJ, Dean N, Gordon D, Edmond C, Coutts SB; ASPIRE Investigators.

Int J Stroke. 2014 Oct;9 Suppl A100:135-43. doi: 10.1111/j.1747-4949.2012.00881.x. Epub 2012 Oct 23.

PMID:
23088263
23.

Poor prognosis in warfarin-associated intracranial hemorrhage despite anticoagulation reversal.

Dowlatshahi D, Butcher KS, Asdaghi N, Nahirniak S, Bernbaum ML, Giulivi A, Wasserman JK, Poon MC, Coutts SB; Canadian PCC Registry (CanPro) Investigators.

Stroke. 2012 Jul;43(7):1812-7. doi: 10.1161/STROKEAHA.112.652065. Epub 2012 May 3.

PMID:
22556194
24.

Moving beyond a single perfusion threshold to define penumbra: a novel probabilistic mismatch definition.

Nagakane Y, Christensen S, Ogata T, Churilov L, Ma H, Parsons MW, Desmond PM, Levi CR, Butcher KS, Davis SM, Donnan GA; EPITHET Investigators.

Stroke. 2012 Jun;43(6):1548-55. doi: 10.1161/STROKEAHA.111.643932. Epub 2012 Apr 12.

PMID:
22499579
25.

Risks and benefits of thrombolysis in the elderly.

Asdaghi N, Butcher KS, Hill MD.

Int J Stroke. 2012 Feb;7(2):142-9. doi: 10.1111/j.1747-4949.2011.00744.x. Review.

PMID:
22264367
26.

Low bone mineral density is associated with poor clinical outcome in acute ischemic stroke.

Lee SB, Cho AH, Butcher KS, Kim TW, Ryu SY, Kim YI.

Int J Stroke. 2013 Feb;8(2):68-72. doi: 10.1111/j.1747-4949.2011.00714.x. Epub 2011 Dec 8.

PMID:
22151871
27.

Fluid-attenuated inversion recovery hyperintensity in acute ischemic stroke may not predict hemorrhagic transformation.

Campbell BC, Costello C, Christensen S, Ebinger M, Parsons MW, Desmond PM, Barber PA, Butcher KS, Levi CR, De Silva DA, Lansberg MG, Mlynash M, Olivot JM, Straka M, Bammer R, Albers GW, Donnan GA, Davis SM; EPITHET-DEFUSE Investigators.

Cerebrovasc Dis. 2011;32(4):401-5. doi: 10.1159/000331467. Epub 2011 Oct 8.

28.

Cerebral blood flow measurement following extreme blood pressure reduction in an acute intracerebral hemorrhage patient.

Sebastian J, Emery D, Kotylak T, Butcher KS.

Clin Neurol Neurosurg. 2011 Sep;113(7):599-601. doi: 10.1016/j.clineuro.2011.03.009. Epub 2011 May 4. No abstract available.

PMID:
21543154
29.

Safety and feasibility of collateral blood flow augmentation after intravenous thrombolysis.

Emery DJ, Schellinger PD, Selchen D, Douen AG, Chan R, Shuaib A, Butcher KS.

Stroke. 2011 Apr;42(4):1135-7. doi: 10.1161/STROKEAHA.110.607846. Epub 2011 Feb 24.

PMID:
21350210
30.

Relationship between sodium intensity and perfusion deficits in acute ischemic stroke.

Tsang A, Stobbe RW, Asdaghi N, Hussain MS, Bhagat YA, Beaulieu C, Emery D, Butcher KS.

J Magn Reson Imaging. 2011 Jan;33(1):41-7. doi: 10.1002/jmri.22299.

PMID:
21182119
31.

EPITHET: Positive Result After Reanalysis Using Baseline Diffusion-Weighted Imaging/Perfusion-Weighted Imaging Co-Registration.

Nagakane Y, Christensen S, Brekenfeld C, Ma H, Churilov L, Parsons MW, Levi CR, Butcher KS, Peeters A, Barber PA, Bladin CF, De Silva DA, Fink J, Kimber TE, Schultz DW, Muir KW, Tress BM, Desmond PM, Davis SM, Donnan GA; EPITHET Investigators.

Stroke. 2011 Jan;42(1):59-64. doi: 10.1161/STROKEAHA.110.580464. Epub 2010 Dec 2.

PMID:
21127303
32.

Pathophysiological determinants of worse stroke outcome in atrial fibrillation.

Tu HT, Campbell BC, Christensen S, Collins M, De Silva DA, Butcher KS, Parsons MW, Desmond PM, Barber PA, Levi CR, Bladin CF, Donnan GA, Davis SM; Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET) Investigators.

Cerebrovasc Dis. 2010;30(4):389-95. doi: 10.1159/000316886. Epub 2010 Aug 5.

PMID:
20693794
33.

Carotid revascularization: an update.

O'Kelly CJ, Butcher KS, Marchak BE, Findlay JM.

Can J Neurol Sci. 2010 May;37(3):320-35. Review.

PMID:
20481266
34.

Time to treatment with intravenous alteplase and outcome in stroke: an updated pooled analysis of ECASS, ATLANTIS, NINDS, and EPITHET trials.

Lees KR, Bluhmki E, von Kummer R, Brott TG, Toni D, Grotta JC, Albers GW, Kaste M, Marler JR, Hamilton SA, Tilley BC, Davis SM, Donnan GA, Hacke W; ECASS, ATLANTIS, NINDS and EPITHET rt-PA Study Group, Allen K, Mau J, Meier D, del Zoppo G, De Silva DA, Butcher KS, Parsons MW, Barber PA, Levi C, Bladin C, Byrnes G.

Lancet. 2010 May 15;375(9727):1695-703. doi: 10.1016/S0140-6736(10)60491-6.

PMID:
20472172
35.

Visual assessment of perfusion-diffusion mismatch is inadequate to select patients for thrombolysis.

Campbell BC, Christensen S, Foster SJ, Desmond PM, Parsons MW, Butcher KS, Barber PA, Levi CR, Bladin CF, Donnan GA, Davis SM; EPITHET Investigators.

Cerebrovasc Dis. 2010;29(6):592-6. doi: 10.1159/000311080. Epub 2010 Apr 14.

PMID:
20389068
36.

Pretreatment diffusion- and perfusion-MR lesion volumes have a crucial influence on clinical response to stroke thrombolysis.

Parsons MW, Christensen S, McElduff P, Levi CR, Butcher KS, De Silva DA, Ebinger M, Barber PA, Bladin C, Donnan GA, Davis SM; Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET) Investigators.

J Cereb Blood Flow Metab. 2010 Jun;30(6):1214-25. doi: 10.1038/jcbfm.2010.3. Epub 2010 Jan 20.

37.

The benefits of intravenous thrombolysis relate to the site of baseline arterial occlusion in the Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET).

De Silva DA, Brekenfeld C, Ebinger M, Christensen S, Barber PA, Butcher KS, Levi CR, Parsons MW, Bladin CF, Donnan GA, Davis SM; Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET) Investigators.

Stroke. 2010 Feb;41(2):295-9. doi: 10.1161/STROKEAHA.109.562827. Epub 2010 Jan 7.

PMID:
20056931
38.

Regional very low cerebral blood volume predicts hemorrhagic transformation better than diffusion-weighted imaging volume and thresholded apparent diffusion coefficient in acute ischemic stroke.

Campbell BC, Christensen S, Butcher KS, Gordon I, Parsons MW, Desmond PM, Barber PA, Levi CR, Bladin CF, De Silva DA, Donnan GA, Davis SM; EPITHET Investigators.

Stroke. 2010 Jan;41(1):82-8. doi: 10.1161/STROKEAHA.109.562116. Epub 2009 Dec 3.

PMID:
19959537
39.

Excellent response to thrombolysis following prolonged basilar artery occlusion with extensive ischemic changes on MRI.

Jickling G, Scozzafava J, Hussain MS, Yeo T, Butcher KS.

Clin Neurol Neurosurg. 2009 Nov;111(9):789-90. doi: 10.1016/j.clineuro.2009.07.011. Epub 2009 Aug 14. No abstract available.

PMID:
19683384
40.

Sodium imaging intensity increases with time after human ischemic stroke.

Hussain MS, Stobbe RW, Bhagat YA, Emery D, Butcher KS, Manawadu D, Rizvi N, Maheshwari P, Scozzafava J, Shuaib A, Beaulieu C.

Ann Neurol. 2009 Jul;66(1):55-62. doi: 10.1002/ana.21648.

PMID:
19670436
41.

Expediting MRI-based proof-of-concept stroke trials using an earlier imaging end point.

Ebinger M, Christensen S, De Silva DA, Parsons MW, Levi CR, Butcher KS, Bladin CF, Barber PA, Donnan GA, Davis SM; Echoplanar Imaging Thrombolytic Evaluation Trial Investigators.

Stroke. 2009 Apr;40(4):1353-8. doi: 10.1161/STROKEAHA.108.532622. Epub 2009 Feb 26.

PMID:
19246703
42.

Thrombolysis for concomitant acute stroke and pulmonary embolism.

Allport LE, Butcher KS.

J Clin Neurosci. 2008 Aug;15(8):917-20. doi: 10.1016/j.jocn.2007.03.026. Epub 2008 May 12.

PMID:
18474426
43.

Elevations of diffusion anisotropy are associated with hyper-acute stroke: a serial imaging study.

Bhagat YA, Hussain MS, Stobbe RW, Butcher KS, Emery DJ, Shuaib A, Siddiqui MM, Maheshwari P, Al-Hussain F, Beaulieu C.

Magn Reson Imaging. 2008 Jun;26(5):683-93. doi: 10.1016/j.mri.2008.01.015. Epub 2008 Apr 28.

PMID:
18440747
44.

Effects of alteplase beyond 3 h after stroke in the Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET): a placebo-controlled randomised trial.

Davis SM, Donnan GA, Parsons MW, Levi C, Butcher KS, Peeters A, Barber PA, Bladin C, De Silva DA, Byrnes G, Chalk JB, Fink JN, Kimber TE, Schultz D, Hand PJ, Frayne J, Hankey G, Muir K, Gerraty R, Tress BM, Desmond PM; EPITHET investigators.

Lancet Neurol. 2008 Apr;7(4):299-309. doi: 10.1016/S1474-4422(08)70044-9. Epub 2008 Feb 28.

PMID:
18296121
45.

Differential prognosis of isolated cortical swelling and hypoattenuation on CT in acute stroke.

Butcher KS, Lee SB, Parsons MW, Allport L, Fink J, Tress B, Donnan G, Davis SM; EPITHET Investigators.

Stroke. 2007 Mar;38(3):941-7. Epub 2007 Feb 1.

PMID:
17272776
46.

Elevated hematocrit is associated with reduced reperfusion and tissue survival in acute stroke.

Allport LE, Parsons MW, Butcher KS, MacGregor L, Desmond PM, Tress BM, Davis SM.

Neurology. 2005 Nov 8;65(9):1382-7.

PMID:
16275824
47.

Apparent diffusion coefficient thresholds do not predict the response to acute stroke thrombolysis.

Loh PS, Butcher KS, Parsons MW, MacGregor L, Desmond PM, Tress BM, Davis SM.

Stroke. 2005 Dec;36(12):2626-31. Epub 2005 Nov 3.

PMID:
16269645
48.

Refining the perfusion-diffusion mismatch hypothesis.

Butcher KS, Parsons M, MacGregor L, Barber PA, Chalk J, Bladin C, Levi C, Kimber T, Schultz D, Fink J, Tress B, Donnan G, Davis S; EPITHET Investigators.

Stroke. 2005 Jun;36(6):1153-9.

PMID:
15914768
49.

Selection of thrombolytic therapy beyond 3 h using magnetic resonance imaging.

Davis SM, Donnan GA, Butcher KS, Parsons M.

Curr Opin Neurol. 2005 Feb;18(1):47-52. Review.

PMID:
15655402
50.

Insular cortical ischemia is independently associated with acute stress hyperglycemia.

Allport LE, Butcher KS, Baird TA, MacGregor L, Desmond PM, Tress BM, Colman P, Davis SM.

Stroke. 2004 Aug;35(8):1886-91. Epub 2004 Jun 10.

PMID:
15192241

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