Julien Poublanc
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Explore the profile of Julien Poublanc including associated specialties, affiliations and a list of published articles.
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64
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1278
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Recent Articles
1.
Cerebral perfusion metrics calculated directly from a hypoxia-induced step change in deoxyhemoglobin
Duffin J, Sayin E, Sobczyk O, Poublanc J, Mikulis D, Fisher J
Sci Rep
. 2024 Jul;
14(1):17121.
PMID: 39054379
Resting cerebral perfusion metrics can be calculated from the MRI ΔR* signal during the first passage of an intravascular bolus of a Gadolinium-based contrast agent (GBCA), or more recently, a...
2.
Plitman E, Venkatraghavan L, Agrawal S, Raghavan V, Chowdhury T, Sobczyk O, et al.
Asian J Neurosurg
. 2024 Jul;
19(2):235-241.
PMID: 38974441
Controlling the partial pressure of carbon dioxide (PaCO ) is an important consideration in patients with intracranial steno-occlusive disease to avoid reductions in critical perfusion from vasoconstriction due to hypocapnia,...
3.
Flowers H, Mikulis D, Silver F, Hour K, Steffener J, Poublanc J, et al.
Cerebrovasc Dis
. 2024 Jan;
53(6):789-793.
PMID: 38228105
Introduction: Post-stroke dysphagia and communication impairments occur in two-thirds of acute stroke survivors. Identifying the shared neuroanatomical substrate for related impairments could facilitate the development of cross-system therapies. Our purpose...
4.
Sayin E, Duffin J, Stumpo V, Bellomo J, Piccirelli M, Poublanc J, et al.
AJNR Am J Neuroradiol
. 2024 Jan;
45(1):37-43.
PMID: 38164571
Background And Purpose: Resting brain tissue perfusion in cerebral steno-occlusive vascular disease can be assessed by MR imaging using gadolinium-based susceptibility contrast agents. Recently, transient hypoxia-induced deoxyhemoglobin has been investigated...
5.
Sobczyk O, Sayin E, Poublanc J, Duffin J, Para A, Fisher J, et al.
AJNR Am J Neuroradiol
. 2024 Jan;
45(1):44-50.
PMID: 38164530
Background And Purpose: MR imaging-based cerebral perfusion metrics can be obtained by tracing the passage of a bolus of contrast through the microvasculature of the brain parenchyma. Thus, the temporal...
6.
Raghavan V, Sobczyk O, Sayin E, Poublanc J, Skanda A, Duffin J, et al.
J Magn Reson Imaging
. 2023 Dec;
60(3):954-961.
PMID: 38135486
Background: Cerebrovascular reactivity (CVR) is a measure of the change in cerebral blood flow (CBF) in response to a vasoactive challenge. It is a useful indicator of the brain's vascular...
7.
Sayin E, Duffin J, Poublanc J, Venkatraghavan L, Mikulis D, Fisher J, et al.
J Cereb Blood Flow Metab
. 2023 Aug;
43(12):2085-2095.
PMID: 37632334
Evaluation of cerebrovascular reactivity (CVR) to hypo- and hypercapnia is a valuable test for the assessment of vasodilatory reserve. While hypercapnia-induced CVR testing is usually performed at normoxia, mild hyperoxia...
8.
Dasari Y, Duffin J, Sayin E, Levine H, Poublanc J, Para A, et al.
Healthcare (Basel)
. 2023 Aug;
11(16).
PMID: 37628429
Cerebrovascular Reactivity (CVR) is a provocative test used with Blood oxygenation level-dependent (BOLD) Magnetic Resonance Imaging (MRI) studies, where a vasoactive stimulus is applied and the corresponding changes in the...
9.
Schulman J, Sayin E, Manalac A, Poublanc J, Sobczyk O, Duffin J, et al.
Front Neuroimaging
. 2023 Aug;
2:1048652.
PMID: 37554650
Introduction: Dynamic susceptibility contrast (DSC) MRI allows clinicians to determine perfusion parameters in the brain, such as cerebral blood flow, cerebral blood volume, and mean transit time. To enable quantification,...
10.
Sayin E, Sobczyk O, Poublanc J, Mikulis D, Fisher J, Duffin J
Front Physiol
. 2023 May;
14:1167857.
PMID: 37250139
Use of contrast in determining hemodynamic measures requires the deconvolution of an arterial input function (AIF) selected over a voxel in the middle cerebral artery to calculate voxel wise perfusion...