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Condition: Hypertension
Procedure: MRI Scan

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Total 404 results found since Jan 2013.

Abstract P075: Stroke Volume and Visceral Fat Drive Differences in Blood Pressure Between Two Generations: A Population-Based Study of Adolescents and Their Parents Session Title: Poster Session 1- Trainee Onsite Poster Competition and Reception
Excess total body fat (TBF) and visceral fat (VF) are major risk factors of hypertension. Blood pressure (BP) increases with age, as do TBF and VF. Here we investigated whether TBF and VF contribute to BP differences between adolescents and adults. A population-based sample of adolescents (n=933, 12-18 years) and their parents (n=429, 38-65 years) was studied as part of the Saguenay Youth Study. In all participants, beat-by-beat values of SBP, DBP and underlying hemodynamic parameters (heart rate, stroke volume [SV] and total peripheral resistance) were obtained with a Finometer during a 52-minute protocol mimicking daily ...
Source: Hypertension - November 3, 2015 Category: Cardiology Authors: Syme, C. A., Abrahamowicz, M., Leonard, G., Perron, M., Richer, L., Veillette, S., Gaudet, D., Paus, T., Pausova, Z. Tags: Session Title: Poster Session 1- Trainee Onsite Poster Competition and Reception Source Type: research

Spontaneous white matter lesion in brain of stroke-prone renovascular hypertensive rats: a study from MRI, pathology and behavior
This study aimed to investigate the WML in RHRSP from MRI, pathology and behavior. RHRSP model was established by two-kidney, two-clipmethod and kept for 20 weeks. WML was decteted by magnetic resonance imaging (MRI) and loyez staining. Cognition was tested by morris water maze (MWM). Vascular changes were observed by HE staining on brain and carotid sections. Ultrastucture of blood brain barrier (BBB) were observed by transmission electron microscope. Immunofluorescence was used to detect albumin leakage and cell proliferation. T2-weighted MRI scans of RHRSP displayed diffuse, confluent white-matter hyperintensities. Pat...
Source: Metabolic Brain Disease - November 11, 2015 Category: Neurology Source Type: research

Should This Patient With Ischemic Stroke Receive Fluoxetine?
You admit T.R., a 75-year-old man, to your inpatient rehabilitation unit 10 days after a stroke. He has a medical history of hypertension and type II diabetes. On the day of his admission to the neurology service, he experienced a sudden onset of severe left-sided weakness with a facial droop and slurring of speech. His husband was driving them both to a social event at the time and detoured immediately to the emergency department, where the patient received tissue plasminogen activator (tPA) for a large, right middle cerebral artery thrombosis seen on magnetic resonance imaging.
Source: PM and R - December 1, 2015 Category: Rehabilitation Authors: Heidi Schambra, Brian Im, Michael W. O'Dell Tags: Point/Counterpoint Source Type: research

Relationship between asymptomatic intra-cranial lesions and brachial-ankle pulse wave velocity in coronary artery disease patients without stroke
eiji Hokimoto
Source: Hypertension Research - April 5, 2017 Category: Cardiology Authors: Noriaki Tabata Daisuke Sueta Takayoshi Yamashita Daisuke Utsunomiya Yuichiro Arima Eiichiro Yamamoto Kenichi Tsujita Sunao Kojima Koichi Kaikita Seiji Hokimoto Tags: arterial stiffness cardiovascular disease intra-cranial lesions magnetic resonance imaging Source Type: research

Effect of Long-Term Vascular Care on Progression of Cerebrovascular Lesions Clinical Sciences
Conclusions—Nurse-led vascular care in hypertensive community-dwelling older persons did not diminish WMH accumulation over 3 years. However, our results do suggest this type of intervention could be effective in persons with high WMH volumes. There was no effect on lacunar infarcts incidence but numbers were low.Clinical Trial Information—URL: http://www.isrctn.com/ISRCTN29711771. Unique identifier: ISRCTN29711771.
Source: Stroke - June 26, 2017 Category: Neurology Authors: Jan Willem van Dalen, Eric P. Moll van Charante, Matthan W.A. Caan, Philip Scheltens, Charles B.L.M. Majoie, Aart J. Nederveen, Willem A. van Gool, Edo Richard Tags: Aging, Primary Prevention, Hypertension, Magnetic Resonance Imaging (MRI), Cerebrovascular Disease/Stroke Original Contributions Source Type: research

Stroke in a Young Man Secondary to Paroxysmal Atrial Fibrillation and Thyrotoxicosis: A Case Report
We report a case of a male patient with stroke caused by atrial fibrillation (AF) due to thyrotoxicosis. At hospital admission, he presented hypertension and AF. Magnetic resonance imaging confirmed a right-side ischemic area. The thyrotoxicosis was confirmed by thyroid function and thyroid scintigraphy that showed goiter with diffuse hypercaptation. The patient was treated with tapazole and total thyroidectomy, and pathological findings suggested Graves ’ disease. Hyperthyroidism is associated with increased supraventricular ectopic activity in patients with a normal heart, and may be an important causal link between hy...
Source: Case Reports in Neurology - October 16, 2017 Category: Neurology Source Type: research

Neuroimaging Correlates of Cerebral Microbleeds Clinical Sciences
Conclusions—CMBs are a common vascular pathology in the elderly. Markers of hypertensive small-vessel disease may contribute to deep CMBs while cerebral amyloid angiopathy may drive development of lobar CMBs.
Source: Stroke - October 23, 2017 Category: Neurology Authors: Jonathan Graff-Radford, Jeannette Simino, Kejal Kantarci, Thomas H. Mosley Jr, Michael E. Griswold, B. Gwen Windham, A. Richey Sharrett, Marilyn S. Albert, Rebecca F. Gottesman, Clifford R. Jack Jr, Prashanthi Vemuri, David S. Knopman Tags: Magnetic Resonance Imaging (MRI), Cerebrovascular Disease/Stroke, Atherosclerosis Original Contributions Source Type: research

Stroke in a Young Man Secondary to Paroxysmal Atrial Fibrillation and Thyrotoxicosis: A Case Report
We report a case of a male patient with stroke caused by atrial fibrillation (AF) due to thyrotoxicosis. At hospital admission, he presented hypertension and AF. Magnetic resonance imaging confirmed a right-side ischemic area. The thyrotoxicosis was confirmed by thyroid function and thyroid scintigraphy that showed goiter with diffuse hypercaptation. The patient was treated with tapazole and total thyroidectomy, and pathological findings suggested Graves ’ disease. Hyperthyroidism is associated with increased supraventricular ectopic activity in patients with a normal heart, and may be an important causal link between hy...
Source: Case Reports in Neurology - October 25, 2017 Category: Neurology Source Type: research

Prognostic value of high-resolution magnetic resonance imaging in evaluating carotid atherosclerotic plaque in patients with ischemic stroke
Conclusion: Our study conclusively intimated the promise of HRMRI as an evaluative tool for the determination of carotid atherosclerotic plaques in patients with IS.
Source: Medicine - November 1, 2017 Category: Internal Medicine Tags: Research Article: Clinical Trial/Experimental Study Source Type: research

Letter to the Editor: Pneumocephalus: Is the needle size significant?
Discussion. Pneumocephalus is defined by two mechanisms: a ball-valve and an inverted bottle concept.1 The ball-valve type implies positive pressure events, such as coughing or valsalva maneuvers, that prevent air escape. Tension pneumocephalus is included in this mechanism, causing a parenchymal mass effect. The inverted bottle theory includes a negative intracranial pressure gradient following cerebrospinal fluid drainage, relieved by air influx. A small pneumocephalus is usually sealed by blood clots or granulation, allowing spontaneous reabsorption and resolution.[1] Otherwise, the lateral positioning of a patient duri...
Source: Innovations in Clinical Neuroscience - February 1, 2018 Category: Neuroscience Authors: ICN Online Editor Tags: Assessment Tools CNS Infections Current Issue Letters to the Editor Neurologic Systems and Symptoms Neurology Stroke Traumatic Brain Injury epidural needle size Pneumocephalus spinal tap Source Type: research

Plasma A{beta} (Amyloid-{beta}) Levels and Severity and Progression of Small Vessel Disease Clinical Sciences
Background and Purpose—Cerebral small vessel disease (SVD) is a frequent pathology in aging and contributor to the development of dementia. Plasma Aβ (amyloid β) levels may be useful as early biomarker, but the role of plasma Aβ in SVD remains to be elucidated. We investigated the association of plasma Aβ levels with severity and progression of SVD markers.Methods—We studied 487 participants from the RUN DMC study (Radboud University Nijmegen Diffusion Tensor and Magnetic Resonance Imaging Cohort) of whom 258 participants underwent 3 MRI assessments during 9 years. We determined baseline plasma Aβ38, Aβ40, and AÎ...
Source: Stroke - March 26, 2018 Category: Neurology Authors: Esther M.C. van Leijsen, H. Bea Kuiperij, Iris Kersten, Mayra I. Bergkamp, Ingeborg W.M. van Uden, Hugo Vanderstichele, Erik Stoops, Jurgen A.H.R. Claassen, Ewoud J. van Dijk, Frank-Erik de Leeuw, Marcel M. Verbeek Tags: Biomarkers, Magnetic Resonance Imaging (MRI), Cerebrovascular Disease/Stroke Original Contributions Source Type: research

Association between Twenty-Four-Hour Ambulatory Blood Pressure Variability and Cerebral Small Vessel Disease Burden in Acute Ischemic Stroke
CONCLUSIONS: Higher BPV was significantly related to total cSVD burden in AIS patients. 24 h SBP SD and day mean SBP were independent risk factors for cSVD burden in AIS patients but not DBP or DBP variability.PMID:36304138 | PMC:PMC9596265 | DOI:10.1155/2022/3769577
Source: Behavioural Neurology - October 28, 2022 Category: Neurology Authors: Jun Shen Lu Yang Ziwei Xu Wenshi Wei Source Type: research