Joanna Schaafsma
Joanna Schaafsma
University Health Network / University of Toronto
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Cited by
Cited by
Characterization of freezing of gait subtypes and the response of each to levodopa in Parkinson's disease
JD Schaafsma, Y Balash, T Gurevich, AL Bartels, JM Hausdorff, N Giladi
European journal of neurology 10 (4), 391-398, 2003
Gait dynamics in Parkinson's disease: relationship to Parkinsonian features, falls and response to levodopa
JD Schaafsma, N Giladi, Y Balash, AL Bartels, T Gurevich, JM Hausdorff
Journal of the neurological sciences 212 (1-2), 47-53, 2003
Impaired regulation of stride variability in Parkinson's disease subjects with freezing of gait
JM Hausdorff, JD Schaafsma, Y Balash, AL Bartels, T Gurevich, N Giladi
Experimental brain research 149 (2), 187-194, 2003
Relationship between freezing of gait (FOG) and other features of Parkinson’s: FOG is not correlated with bradykinesia
AL Bartels, Y Balash, T Gurevich, JD Schaafsma, JM Hausdorff, N Giladi
Journal of Clinical Neuroscience 10 (5), 584-588, 2003
Striatal dopa and glucose metabolism in PD patients with freezing of gait
AL Bartels, BM de Jong, N Giladi, JD Schaafsma, RP Maguire, L Veenma, ...
Movement disorders: official journal of the Movement Disorder Society 21 (9 …, 2006
Efficacy and safety of nerinetide for the treatment of acute ischaemic stroke (ESCAPE-NA1): a multicentre, double-blind, randomised controlled trial
MD Hill, M Goyal, BK Menon, RG Nogueira, RA McTaggart, AM Demchuk, ...
The Lancet 395 (10227), 878-887, 2020
Long-term recurrent subarachnoid hemorrhage after adequate coiling versus clipping of ruptured intracranial aneurysms
JD Schaafsma, ME Sprengers, WJ van Rooij, M Sluzewski, CBLM Majoie, ...
Stroke 40 (5), 1758-1763, 2009
Late reopening of adequately coiled intracranial aneurysms: frequency and risk factors in 400 patients with 440 aneurysms
SP Ferns, MES Sprengers, WJ van Rooij, WH van Zwam, GAP de Kort, ...
Stroke 42 (5), 1331-1337, 2011
Intracranial aneurysms treated with coil placement: test characteristics of follow-up MR angiography—multicenter study
JD Schaafsma, BK Velthuis, CBLM Majoie, R van den Berg, PA Brouwer, ...
Radiology 256 (1), 209-218, 2010
Stability of intracranial aneurysms adequately occluded 6 months after coiling: a 3T MR angiography multicenter long-term follow-up study
ME Sprengers, J Schaafsma, WJ Van Rooij, M Sluzewski, GJE Rinkel, ...
American journal of neuroradiology 29 (9), 1768-1774, 2008
Cost-effectiveness of magnetic resonance angiography versus intra-arterial digital subtraction angiography to follow-up patients with coiled intracranial aneurysms
JD Schaafsma, H Koffijberg, E Buskens, BK Velthuis, Y van der Graaf, ...
Stroke 41 (8), 1736-1742, 2010
Decision analysis to complete diagnostic research by closing the gap between test characteristics and cost-effectiveness
JD Schaafsma, Y van der Graaf, GJE Rinkel, E Buskens
Journal of clinical epidemiology 62 (12), 1248-1252, 2009
Evaluation of the occlusion status of coiled intracranial aneurysms with MR angiography at 3T: is contrast enhancement necessary?
MES Sprengers, JD Schaafsma, WJ van Rooij, R van den Berg, ...
American journal of neuroradiology 30 (9), 1665-1671, 2009
Endovascular management of acute stroke in the elderly: a systematic review and meta-analysis
CA Hilditch, P Nicholson, MH Murad, A Rabinstein, J Schaafsma, A Pikula, ...
American Journal of Neuroradiology 39 (5), 887-891, 2018
Mechanical thrombectomy in ischemic stroke patients with Alberta stroke program early computed tomography score 0–5
J Kaesmacher, P Chaloulos-Iakovidis, L Panos, P Mordasini, P Michel, ...
Stroke 50 (4), 880-888, 2019
Mechanical thrombectomy for basilar artery occlusion: efficacy, outcomes, and futile recanalization in comparison with the anterior circulation
TR Meinel, J Kaesmacher, P Chaloulos-Iakovidis, L Panos, P Mordasini, ...
Journal of neurointerventional surgery 11 (12), 1174-1180, 2019
Coil-treated aneurysms: decision making regarding additional treatment based on findings of MR angiography and intraarterial DSA
JD Schaafsma, BK Velthuis, R van den Berg, PA Brouwer, CBLM Majoie, ...
Radiology 265 (3), 858-863, 2012
High-resolution vessel wall magnetic resonance imaging in angiogram-negative non-perimesencephalic subarachnoid hemorrhage
JM Coutinho, RH Sacho, JD Schaafsma, R Agid, T Krings, I Radovanovic, ...
Clinical neuroradiology 27 (2), 175-183, 2017
Hemodynamic management of patients during endovascular treatment of acute ischemic stroke under conscious sedation: a retrospective cohort study
G Alcaraz, J Chui, J Schaafsma, P Manninen, A Porta-Sánchez, ...
Journal of neurosurgical anesthesiology 31 (3), 299-305, 2019
Clinical effect of successful reperfusion in patients presenting with NIHSS< 8: data from the BEYOND-SWIFT registry
J Kaesmacher, P Chaloulos-Iakovidis, L Panos, P Mordasini, MR Heldner, ...
Journal of neurology 266 (3), 598-608, 2019
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