R L Macdonald
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Explore the profile of R L Macdonald including associated specialties, affiliations and a list of published articles.
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296
Citations
5371
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Recent Articles
1.
Murphy A, Lee T, Marotta T, Spears J, Macdonald R, Aviv R, et al.
AJNR Am J Neuroradiol
. 2018 Oct;
39(11):2027-2033.
PMID: 30337436
Background And Purpose: Patients with aneurysmal SAH and good clinical status at admission are considered at a lower risk for delayed cerebral ischemia. Prolonged MTT may be associated with an...
2.
Wan H, Wang Y, Ai J, Brathwaite S, Ni H, Macdonald R, et al.
J Thromb Haemost
. 2018 May;
16(7):1413-1422.
PMID: 29729651
Summary: Background Early brain injury is an important determinant of poor functional outcome and case fatality after aneurysmal subarachnoid hemorrhage (SAH), and is associated with early platelet aggregation. No treatment...
3.
Macdonald R, Jaffe R, Schwenke D, Panesi M
J Chem Phys
. 2018 Feb;
148(5):054309.
PMID: 29421898
This work aims to construct a reduced order model for energy transfer and dissociation in non-equilibrium nitrogen mixtures. The objective is twofold: to present the Coarse-Grain Quasi-Classical Trajectory (CG-QCT) method,...
4.
Macdonald R, Grover M, Schwartzentruber T, Panesi M
J Chem Phys
. 2018 Feb;
148(5):054310.
PMID: 29421878
This work presents the analysis of non-equilibrium energy transfer and dissociation of nitrogen molecules (N(Σg+1)) using two different approaches: the direct molecular simulation (DMS) method and the coarse-grain quasi-classical trajectory...
5.
Etminan N, Macdonald R
Handb Clin Neurol
. 2017 Feb;
140:195-228.
PMID: 28187800
Spontaneous subarachnoid hemorrhage (SAH) affects people with a mean age of 55 years. Although there are about 9/100 000 cases per year worldwide, the young age and high morbidity and...
6.
Sabri M, Ai J, Lakovic K, Dabbondanza J, Ilodigwe D, Macdonald R
Neuroscience
. 2012 Aug;
224:26-37.
PMID: 22902542
Microcirculatory dysfunction may contribute to delayed cerebral ischemia after subarachnoid hemorrhage (SAH). Using a prechiasmatic injection model, this study investigated ultrastructural changes in microvessels in brain parenchyma to determine the...
7.
Macdonald R, Bernstein M
Can Fam Physician
. 2011 Jan;
35:1183-6.
PMID: 21248954
Three patients who had lumbar punctures performed in the presence of undiagnosed intracranial space-occupying lesions are described. Neurologic deterioration was precipitated in one and continued in another; neurologic status was...
8.
Jeon H, Ai J, Sabri M, Tariq A, Macdonald R
Neuroscience
. 2010 Jul;
169(4):1805-14.
PMID: 20600651
About 50% of subarachnoid hemorrhage (SAH) survivors have cognitive or neurobehavioral dysfunction. The mechanisms are not known. This study characterized behavioral deficits in a rat SAH model, and correlated these...
9.
Delahanty R, Kang J, Brune C, Kistner E, Courchesne E, Cox N, et al.
Mol Psychiatry
. 2009 Nov;
16(1):86-96.
PMID: 19935738
Maternal 15q11-q13 duplication is the most common copy number variant in autism, accounting for ∼1-3% of cases. The 15q11-q13 region is subject to epigenetic regulation, and genomic copy number losses...
10.
Macdonald R, Linke R, Devlin G, Mizuta M
Opt Lett
. 2009 Oct;
20(11):1322-4.
PMID: 19859513
Two-wave mixing measurements made during the encoding of plasma gratings in AlGaAs:Te indicate that there is no phase shift between the illumination intensity pattern and the encoded refractive-index grating. These...