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Kunz WG, Fabritius MP, Sommer WH, Höhne C, Scheffler P, Rotkopf LT, Fendler WP, Sabel BO, Meinel FG, Dorn F, Ertl-Wagner B, Reiser MF, Thierfelder KM. Effect of stroke thrombolysis predicted by distal vessel occlusion detection. Neurology 2018; 90:e1742-e1750. [PMID: 29678936 DOI: 10.1212/wnl.0000000000005519] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 02/26/2018] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE Among ischemic stroke patients with negative CT angiography (CTA), we aimed to determine the predictive value of enhanced distal vessel occlusion detection using CT perfusion postprocessing (waveletCTA) for the treatment effect of IV thrombolysis (IVT). METHODS Patients were selected from 1,851 consecutive patients who had undergone CT perfusion. Inclusion criteria were (1) significant cerebral blood flow (CBF) deficit, (2) no occlusion on CTA, and (3) infarction confirmed on follow-up. Favorable morphologic response was defined as smaller values of final infarction volume divided by initial CBF deficit volume (FIV/CBF). Favorable functional outcome was defined as modified Rankin Scale score of ≤2 after 90 days and decrease in NIH Stroke Scale score of ≥3 from admission to 24 hours (∆NIHSS). RESULTS Among patients with negative CTA (n = 107), 58 (54%) showed a distal occlusion on waveletCTA. There was no difference between patients receiving IVT (n = 57) vs supportive care (n = 50) regarding symptom onset, early ischemic changes, perfusion mismatch, or admission NIHSS score (all p > 0.05). In IVT-treated patients, the presence of an occlusion was an independent predictor of a favorable morphologic response (FIV/CBF: β -1.43; 95% confidence interval [CI] -1.96, -0.83; p = 0.001) and functional outcome (90-day modified Rankin Scale: odds ratio 7.68; 95% CI 4.33-11.51; p = 0.039; ∆NIHSS: odds ratio 5.76; 95% CI 3.98-8.27; p = 0.013), while it did not predict outcome in patients receiving supportive care (all p > 0.05). CONCLUSION In stroke patients with negative CTA, distal vessel occlusions as detected by waveletCTA are an independent predictor of a favorable response to IVT.
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Affiliation(s)
- Wolfgang G Kunz
- From the Departments of Radiology (W.G.K., M.P.F., W.H.S., L.T.R., B.O.S., F.G.M., B.E.-W., M.F.R., K.M.T.), Neurology (C.H., P.S.), Nuclear Medicine (W.P.F.), and Neuroradiology (F.D.), University Hospital, LMU Munich; and the Institute of Diagnostic and Interventional Radiology (F.G.M., K.M.T.), University Medical Center Rostock, Germany.
| | - Matthias P Fabritius
- From the Departments of Radiology (W.G.K., M.P.F., W.H.S., L.T.R., B.O.S., F.G.M., B.E.-W., M.F.R., K.M.T.), Neurology (C.H., P.S.), Nuclear Medicine (W.P.F.), and Neuroradiology (F.D.), University Hospital, LMU Munich; and the Institute of Diagnostic and Interventional Radiology (F.G.M., K.M.T.), University Medical Center Rostock, Germany
| | - Wieland H Sommer
- From the Departments of Radiology (W.G.K., M.P.F., W.H.S., L.T.R., B.O.S., F.G.M., B.E.-W., M.F.R., K.M.T.), Neurology (C.H., P.S.), Nuclear Medicine (W.P.F.), and Neuroradiology (F.D.), University Hospital, LMU Munich; and the Institute of Diagnostic and Interventional Radiology (F.G.M., K.M.T.), University Medical Center Rostock, Germany
| | - Christopher Höhne
- From the Departments of Radiology (W.G.K., M.P.F., W.H.S., L.T.R., B.O.S., F.G.M., B.E.-W., M.F.R., K.M.T.), Neurology (C.H., P.S.), Nuclear Medicine (W.P.F.), and Neuroradiology (F.D.), University Hospital, LMU Munich; and the Institute of Diagnostic and Interventional Radiology (F.G.M., K.M.T.), University Medical Center Rostock, Germany
| | - Pierre Scheffler
- From the Departments of Radiology (W.G.K., M.P.F., W.H.S., L.T.R., B.O.S., F.G.M., B.E.-W., M.F.R., K.M.T.), Neurology (C.H., P.S.), Nuclear Medicine (W.P.F.), and Neuroradiology (F.D.), University Hospital, LMU Munich; and the Institute of Diagnostic and Interventional Radiology (F.G.M., K.M.T.), University Medical Center Rostock, Germany
| | - Lukas T Rotkopf
- From the Departments of Radiology (W.G.K., M.P.F., W.H.S., L.T.R., B.O.S., F.G.M., B.E.-W., M.F.R., K.M.T.), Neurology (C.H., P.S.), Nuclear Medicine (W.P.F.), and Neuroradiology (F.D.), University Hospital, LMU Munich; and the Institute of Diagnostic and Interventional Radiology (F.G.M., K.M.T.), University Medical Center Rostock, Germany
| | - Wolfgang P Fendler
- From the Departments of Radiology (W.G.K., M.P.F., W.H.S., L.T.R., B.O.S., F.G.M., B.E.-W., M.F.R., K.M.T.), Neurology (C.H., P.S.), Nuclear Medicine (W.P.F.), and Neuroradiology (F.D.), University Hospital, LMU Munich; and the Institute of Diagnostic and Interventional Radiology (F.G.M., K.M.T.), University Medical Center Rostock, Germany
| | - Bastian O Sabel
- From the Departments of Radiology (W.G.K., M.P.F., W.H.S., L.T.R., B.O.S., F.G.M., B.E.-W., M.F.R., K.M.T.), Neurology (C.H., P.S.), Nuclear Medicine (W.P.F.), and Neuroradiology (F.D.), University Hospital, LMU Munich; and the Institute of Diagnostic and Interventional Radiology (F.G.M., K.M.T.), University Medical Center Rostock, Germany
| | - Felix G Meinel
- From the Departments of Radiology (W.G.K., M.P.F., W.H.S., L.T.R., B.O.S., F.G.M., B.E.-W., M.F.R., K.M.T.), Neurology (C.H., P.S.), Nuclear Medicine (W.P.F.), and Neuroradiology (F.D.), University Hospital, LMU Munich; and the Institute of Diagnostic and Interventional Radiology (F.G.M., K.M.T.), University Medical Center Rostock, Germany
| | - Franziska Dorn
- From the Departments of Radiology (W.G.K., M.P.F., W.H.S., L.T.R., B.O.S., F.G.M., B.E.-W., M.F.R., K.M.T.), Neurology (C.H., P.S.), Nuclear Medicine (W.P.F.), and Neuroradiology (F.D.), University Hospital, LMU Munich; and the Institute of Diagnostic and Interventional Radiology (F.G.M., K.M.T.), University Medical Center Rostock, Germany
| | - Birgit Ertl-Wagner
- From the Departments of Radiology (W.G.K., M.P.F., W.H.S., L.T.R., B.O.S., F.G.M., B.E.-W., M.F.R., K.M.T.), Neurology (C.H., P.S.), Nuclear Medicine (W.P.F.), and Neuroradiology (F.D.), University Hospital, LMU Munich; and the Institute of Diagnostic and Interventional Radiology (F.G.M., K.M.T.), University Medical Center Rostock, Germany
| | - Maximilian F Reiser
- From the Departments of Radiology (W.G.K., M.P.F., W.H.S., L.T.R., B.O.S., F.G.M., B.E.-W., M.F.R., K.M.T.), Neurology (C.H., P.S.), Nuclear Medicine (W.P.F.), and Neuroradiology (F.D.), University Hospital, LMU Munich; and the Institute of Diagnostic and Interventional Radiology (F.G.M., K.M.T.), University Medical Center Rostock, Germany
| | - Kolja M Thierfelder
- From the Departments of Radiology (W.G.K., M.P.F., W.H.S., L.T.R., B.O.S., F.G.M., B.E.-W., M.F.R., K.M.T.), Neurology (C.H., P.S.), Nuclear Medicine (W.P.F.), and Neuroradiology (F.D.), University Hospital, LMU Munich; and the Institute of Diagnostic and Interventional Radiology (F.G.M., K.M.T.), University Medical Center Rostock, Germany
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Treurniet KM, Yoo AJ, Berkhemer OA, Lingsma HF, Boers AMM, Fransen PSS, Beumer D, van den Berg LA, Sprengers MES, Jenniskens SFM, Lycklama À Nijeholt GJ, van Walderveen MAA, Bot JCJ, Beenen LFM, van den Berg R, van Zwam WH, van der Lugt A, van Oostenbrugge RJ, Dippel DWJ, Roos YBWEM, Marquering HA, Majoie CBLM. Clot Burden Score on Baseline Computerized Tomographic Angiography and Intra-Arterial Treatment Effect in Acute Ischemic Stroke. Stroke 2016; 47:2972-2978. [PMID: 27827328 DOI: 10.1161/strokeaha.116.014565] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 08/23/2016] [Accepted: 09/19/2016] [Indexed: 11/16/2022]
Abstract
BACKGROUND AND PURPOSE A high clot burden score (CBS) is associated with favorable outcome after intravenous treatment for acute ischemic stroke. The added benefit of intra-arterial treatment might be less in these patients. The aim of this exploratory post hoc analysis was to assess the relation of CBS with neurological improvement and endovascular treatment effect. METHODS For 499 of 500 patients in the MR CLEAN study (Multicenter Randomized Clinical Trial of Endovascular Treatment for Acute Ischemic Stroke in the Netherlands), the CBS was determined. Ordinal logistic regression models with and without main baseline prognostic variables were used to assess the association between CBS (continuous or dichotomized at CBS of 6) and a shift toward better outcome on the modified Rankin Scale. The model without main baseline prognostic variables only included treatment allocation and CBS. Models with and without a multiplicative interaction term of CBS and treatment were compared using the χ2 test to assess treatment effect modification by CBS. RESULTS Higher CBS was associated with a shift toward better outcome on the modified Rankin Scale; adjusted common odds ratio per point CBS was 1.12 (95% confidence interval, 1.04-1.20]. Dichotomized CBS had an adjusted common odds ratio of 1.67 (95% confidence interval, 1.12-2.51). Both effect estimates were slightly attenuated by adding baseline prognostic variables. The addition of the interaction terms did not significantly improve the fit of the models. There was a small and insignificant increase of intra-arterial treatment efficacy in the high CBS group. CONCLUSIONS A higher CBS is associated with improved outcome and may be used as a prognostic marker. We found no evidence that CBS modifies the effect of intra-arterial treatment. CLINICAL TRIAL REGISTRATION URL: http://www.trialregister.nl. Unique identifier: NTR1804. URL: http://www.controlled-trials.com. Unique identifier: ISRCTN10888758.
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Affiliation(s)
- Kilian M Treurniet
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.).
| | - Albert J Yoo
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Olvert A Berkhemer
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Hester F Lingsma
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Anna M M Boers
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Puck S S Fransen
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Debbie Beumer
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Lucie A van den Berg
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Marieke E S Sprengers
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Sjoerd F M Jenniskens
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Geert J Lycklama À Nijeholt
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Marianne A A van Walderveen
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Joseph C J Bot
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Ludo F M Beenen
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - René van den Berg
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Wim H van Zwam
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Aad van der Lugt
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Robert J van Oostenbrugge
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Diederik W J Dippel
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Yvo B W E M Roos
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Henk A Marquering
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
| | - Charles B L M Majoie
- From the Department of Radiology (K.M.T., O.A.B., A.M.M.B., M.E.S.S., L.F.M.B., R.v.d.B., H.A.M., C.B.L.M.M.), Department of Biomedical Engineering and Physics (A.M.M.B., H.A.M.), and Department of Neurology (L.A.v.d.B., Y.B.W.E.M.R.), Academic Medical Center, Amsterdam, The Netherlands; Department of Radiology, Texas Stroke Institute, Dallas (A.J.Y.); Department of Neurology (O.A.B., P.S.S.F., D.W.J.D.), Department of Public Health (H.F.L.), and Department of Radiology (P.S.S.F., A.v.d.L.), Erasmus MC University Medical Center, Rotterdam, The Netherlands; Department of Neurology (D.B., R.J.v.O.) and Department of Radiology (O.A.B., W.H.v.Z.), Maastricht University Medical Center, The Netherlands; Department of Robotics and Mechatronics, University of Twente, Enschede, The Netherlands (A.M.M.B.); Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands (S.F.M.J.); Department of Radiology, MC Haaglanden, The Hague, The Netherlands (G.J.L.À.N.); Department of Radiology, Leiden University Medical Center, The Netherlands (M.A.A.v.W.); and Department of Radiology, VU Medical Center, Amsterdam, The Netherlands (J.C.J.B.)
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