User profiles for J. Schaafsma

Joanna Schaafsma

- Verified email at uhn.ca - Cited by 4648

Joseph Schaafsma

- Verified email at uvic.ca - Cited by 991

[HTML][HTML] Trial of endovascular thrombectomy for large ischemic strokes

…, JD Schaafsma, J Blasco… - … England Journal of …, 2023 - Mass Medical Soc
Background Trials of the efficacy and safety of endovascular thrombectomy in patients with
large ischemic strokes have been carried out in limited populations. Methods We performed a …

Characterization of freezing of gait subtypes and the response of each to levodopa in Parkinson's disease

JD Schaafsma, Y Balash, T Gurevich… - European journal of …, 2003 - Wiley Online Library
Characterization of freezing of gait subtypes and the response of each to levodopa in
Parkinson's disease - Schaafsma - 2003 - European Journal of Neurology - Wiley Online Library …

Endovascular management of acute stroke in the elderly: a systematic review and meta-analysis

…, A Rabinstein, J Schaafsma… - American Journal …, 2018 - Am Soc Neuroradiology
Background: Acute ischemic stroke occurs more frequently, presents with more severe
symptoms, and has worse outcomes in elderly patients. The safety and efficacy of endovascular …

Thrombectomy alone versus intravenous alteplase plus thrombectomy in patients with stroke: an open-label, blinded-outcome, randomised non-inferiority trial

…, M Rubiera, L Spelle, M Schnieder, JD Schaafsma… - The Lancet, 2022 - thelancet.com
Background Whether thrombectomy alone is equally as effective as intravenous alteplase
plus thrombectomy remains controversial. We aimed to determine whether thrombectomy …

Impaired regulation of stride variability in Parkinson's disease subjects with freezing of gait

JM Hausdorff, JD Schaafsma, Y Balash… - Experimental brain …, 2003 - Springer
Patients with Parkinson's disease (PD) often experience freezing of gait, a debilitating
phenomenon during which the subject suddenly becomes unable to start walking or to continue to …

Gait dynamics in Parkinson's disease: relationship to Parkinsonian features, falls and response to levodopa

JD Schaafsma, N Giladi, Y Balash, AL Bartels… - Journal of the …, 2003 - Elsevier
Objectives: Patients with Parkinson's disease (PD) have an increased risk of falling that has
yet to be fully explained. To better understand the gait disturbance in PD and the factors that …

Immigrant earnings: age at immigration matters

J Schaafsma, A Sweetman - Canadian journal of Economics, 2001 - JSTOR
A correlation between age at immigration and earnings is observed in Canadian census data.
The evidence supports three underlying sources of the effect; first, work experience in the …

Toward a better understanding of sex-and gender-related differences in endovascular stroke treatment: a scientific statement from the American Heart Association …

JM Ospel, JD Schaafsma, TM Leslie-Mazwi… - Stroke, 2022 - Am Heart Assoc
There are many unknowns when it comes to the role of sex in the pathophysiology and
management of acute ischemic stroke. This is particularly true for endovascular treatment (EVT). …

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… - Journal of Clinical …, 2003 - Elsevier
Background: The pathophysiology of freezing of gait (FOG) is unclear. Objective: To assess
the relationships between FOG and other parkinsonian features in Parkinson’s disease (PD), …

Under the bridge: An in-depth examination of online trolling in the gaming context

C Cook, J Schaafsma, M Antheunis - New Media & Society, 2018 - journals.sagepub.com
Trolling is a subject of apparent academic confusion; the few studies conducted thus far
yielded a variety of conflicting definitions regarding what constitutes trolling behaviour and little …