Research ArticleNeurovascular/Stroke Imaging
Perfusion Collateral Index versus Hypoperfusion Intensity Ratio in Assessment of Collaterals in Patients with Acute Ischemic Stroke
Brian Tsui, Iris E. Chen, May Nour, Shingo Kihira, Elham Tavakkol, Jennifer Polson, Haoyue Zhang, Joe Qiao, Mersedeh Bahr-Hosseini, Corey Arnold, Satoshi Tateshima, Noriko Salamon, J. Pablo Villablanca, Geoffrey P. Colby, Reza Jahan, Gary Duckwiler, Jeffrey L. Saver, David S. Liebeskind and Kambiz Nael
American Journal of Neuroradiology November 2023, 44 (11) 1249-1255; DOI: https://doi.org/10.3174/ajnr.A8002
Brian Tsui
aFrom the Department of Radiological Sciences (B.T., I.E.C., M.N., S.K., E.T., J.Q., C.A., S.T., N.S., J.P.V., R.J., G.D., K.N.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
Iris E. Chen
aFrom the Department of Radiological Sciences (B.T., I.E.C., M.N., S.K., E.T., J.Q., C.A., S.T., N.S., J.P.V., R.J., G.D., K.N.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
May Nour
aFrom the Department of Radiological Sciences (B.T., I.E.C., M.N., S.K., E.T., J.Q., C.A., S.T., N.S., J.P.V., R.J., G.D., K.N.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
bDepartment of Neurology (M.N., M.B.-H., J.L.S., D.S.L.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
Shingo Kihira
aFrom the Department of Radiological Sciences (B.T., I.E.C., M.N., S.K., E.T., J.Q., C.A., S.T., N.S., J.P.V., R.J., G.D., K.N.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
Elham Tavakkol
aFrom the Department of Radiological Sciences (B.T., I.E.C., M.N., S.K., E.T., J.Q., C.A., S.T., N.S., J.P.V., R.J., G.D., K.N.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
Jennifer Polson
cDepartment of Bioengineering (J.P., H.Z., C.A.), University of California, Los Angeles, Los Angeles, California
Haoyue Zhang
cDepartment of Bioengineering (J.P., H.Z., C.A.), University of California, Los Angeles, Los Angeles, California
Joe Qiao
aFrom the Department of Radiological Sciences (B.T., I.E.C., M.N., S.K., E.T., J.Q., C.A., S.T., N.S., J.P.V., R.J., G.D., K.N.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
Mersedeh Bahr-Hosseini
bDepartment of Neurology (M.N., M.B.-H., J.L.S., D.S.L.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
Corey Arnold
aFrom the Department of Radiological Sciences (B.T., I.E.C., M.N., S.K., E.T., J.Q., C.A., S.T., N.S., J.P.V., R.J., G.D., K.N.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
cDepartment of Bioengineering (J.P., H.Z., C.A.), University of California, Los Angeles, Los Angeles, California
Satoshi Tateshima
aFrom the Department of Radiological Sciences (B.T., I.E.C., M.N., S.K., E.T., J.Q., C.A., S.T., N.S., J.P.V., R.J., G.D., K.N.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
Noriko Salamon
aFrom the Department of Radiological Sciences (B.T., I.E.C., M.N., S.K., E.T., J.Q., C.A., S.T., N.S., J.P.V., R.J., G.D., K.N.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
J. Pablo Villablanca
aFrom the Department of Radiological Sciences (B.T., I.E.C., M.N., S.K., E.T., J.Q., C.A., S.T., N.S., J.P.V., R.J., G.D., K.N.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
Geoffrey P. Colby
dDepartment of Neurosurgery (G.P.C.), University of California, Los Angeles, Los Angeles, California
Reza Jahan
aFrom the Department of Radiological Sciences (B.T., I.E.C., M.N., S.K., E.T., J.Q., C.A., S.T., N.S., J.P.V., R.J., G.D., K.N.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
Gary Duckwiler
aFrom the Department of Radiological Sciences (B.T., I.E.C., M.N., S.K., E.T., J.Q., C.A., S.T., N.S., J.P.V., R.J., G.D., K.N.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
Jeffrey L. Saver
bDepartment of Neurology (M.N., M.B.-H., J.L.S., D.S.L.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
David S. Liebeskind
bDepartment of Neurology (M.N., M.B.-H., J.L.S., D.S.L.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
Kambiz Nael
aFrom the Department of Radiological Sciences (B.T., I.E.C., M.N., S.K., E.T., J.Q., C.A., S.T., N.S., J.P.V., R.J., G.D., K.N.), David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California

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In this issue
American Journal of Neuroradiology
Vol. 44, Issue 11
1 Nov 2023
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Brian Tsui, Iris E. Chen, May Nour, Shingo Kihira, Elham Tavakkol, Jennifer Polson, Haoyue Zhang, Joe Qiao, Mersedeh Bahr-Hosseini, Corey Arnold, Satoshi Tateshima, Noriko Salamon, J. Pablo Villablanca, Geoffrey P. Colby, Reza Jahan, Gary Duckwiler, Jeffrey L. Saver, David S. Liebeskind, Kambiz Nael
Perfusion Collateral Index versus Hypoperfusion Intensity Ratio in Assessment of Collaterals in Patients with Acute Ischemic Stroke
American Journal of Neuroradiology Nov 2023, 44 (11) 1249-1255; DOI: 10.3174/ajnr.A8002
Perfusion Index vs Hypoperf Ratio for Collaterals
Brian Tsui, Iris E. Chen, May Nour, Shingo Kihira, Elham Tavakkol, Jennifer Polson, Haoyue Zhang, Joe Qiao, Mersedeh Bahr-Hosseini, Corey Arnold, Satoshi Tateshima, Noriko Salamon, J. Pablo Villablanca, Geoffrey P. Colby, Reza Jahan, Gary Duckwiler, Jeffrey L. Saver, David S. Liebeskind, Kambiz Nael
American Journal of Neuroradiology Nov 2023, 44 (11) 1249-1255; DOI: 10.3174/ajnr.A8002
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