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Total 370 results found since Jan 2013.

Flow Patterns in Carotid Webs: A Patient-Based Computational Fluid Dynamics Study EXTRACRANIAL VASCULAR
CONCLUSIONS: Carotid webs are associated with increased recirculation zones and regional increased wall shear stress metrics that are associated with disturbed flow. These findings suggest that a carotid web might stimulate thrombus formation, which increases the risk of acute ischemic stroke.
Source: American Journal of Neuroradiology - April 10, 2019 Category: Radiology Authors: Compagne, K. C. J., Dilba, K., Postema, E. J., van Es, A. C. G. M., Emmer, B. J., Majoie, C. B. L. M., van Zwam, W. H., Dippel, D. W. J., Wentzel, J. J., van der Lugt, A., Gijsen, F. J. H., for the MR CLEAN investigators Tags: EXTRACRANIAL VASCULAR Source Type: research

Sickle Cell Disease Subjects Have a Distinct Abnormal Autonomic Phenotype Characterized by Peripheral Vasoconstriction With Blunted Cardiac Response to Head-Up Tilt
Conclusion We have shown that SCD subjects are much more likely than non-SCD subjects to have impaired cardiac, but intact peripheral responses to orthostatic stress induced by HUT. These abnormal responses are associated with low baseline cardiac parasympathetic activity, independent of hemoglobin level. The classification of autonomic phenotypes based on HUT response may have potential use for predicting disease severity, guiding and targeting treatments/interventions to alleviate the risk of adverse outcomes in SCD. Ethics Statement All experiments were conducted at Children’s Hospital Los Angeles (CHLA). The ...
Source: Frontiers in Physiology - April 10, 2019 Category: Physiology Source Type: research

Effects of Normothermic Machine Perfusion Conditions on Mesenchymal Stromal Cells
In this study the effect of NMP perfusion fluid on survival, metabolism and function of thawed cryopreserved human (h)MSC and porcine (p)MSC in suspension conditions was studied. Suspension conditions reduced the viability of pMSC by 40% in both perfusion fluid and culture medium. Viability of hMSC was reduced by suspension conditions by 15% in perfusion fluid, whilst no differences were found in survival in culture medium. Under adherent conditions, survival of the cells was not affected by perfusion fluid. The perfusion fluid did not affect survival of fresh MSC in suspension compared to the control culture medium. The f...
Source: Frontiers in Immunology - April 9, 2019 Category: Allergy & Immunology Source Type: research

Consecutive Slides on Axial View Is More Effective Than Transversal Diameter to Differentiate Mechanisms of Single Subcortical Infarctions in the Lenticulostriate Artery Territory
Conclusion: Consecutive slides on axial view (≥4 consecutive slices) might be more effective than transversal diameter to identify the atherosclerotic mechanisms of SSIs in the lenticulostriate artery territory. Clinical Trial Registration: http://www.clinicaltrials.gov. Unique identifier: NCT00664846 Introduction Single subcortical infarctions (SSIs) have been considered to be caused by lipohyalinosis degeneration in small artery disease, traditionally called lacunar infarct (1). However, atherosclerosis occurring in the parental artery blocking the orifice of the branch artery or atherosclerosis in the p...
Source: Frontiers in Neurology - April 8, 2019 Category: Neurology Source Type: research

Pre-injury Comorbidities Are Associated With Functional Impairment and Post-concussive Symptoms at 3- and 6-Months After Mild Traumatic Brain Injury: A TRACK-TBI Study
Conclusions: Pre-injury psychiatric and pre-injury headache/migraine symptoms are risk factors for worse functional and post-concussive outcomes at 3- and 6-months post-mTBI. mTBI patients presenting to acute care should be evaluated for psychiatric and headache/migraine history, with lower thresholds for providing TBI education/resources, surveillance, and follow-up/referrals. Clinical Trial Registration: www.ClinicalTrials.gov, identifier NCT01565551. Introduction Traumatic brain injury (TBI) remains a significant cause of morbidity and mortality worldwide. In 2013 ~2.8 million TBI cases were recorded an...
Source: Frontiers in Neurology - April 8, 2019 Category: Neurology Source Type: research

Cardiovascular Programming During and After Diabetic Pregnancy: Role of Placental Dysfunction and IUGR
This study demonstrated that the incidence of ischemic heart disease and death were three times higher among men with low birth weight compared to men with high birth weight (5). Epidemiological investigations of adults born at the time of the Dutch famine between 1944 and 1945 revealed an association between maternal starvation and a low infant birth weight with a high incidence of hypertension and coronary heart disease in these adults (23). Furthermore, Painter et al. reported the incidence of early onset coronary heart disease among persons conceived during the Dutch famine (24). In that regard, Barker's findin...
Source: Frontiers in Endocrinology - April 8, 2019 Category: Endocrinology Source Type: research

Fast Intracortical Sensory-Motor Integration: A Window Into the Pathophysiology of Parkinson ’s Disease
Conclusion and Outlook In this review, we have discussed the possible contributions of the fast-afferent somatosensory pathway, the intracortical integrative component and the fast-efferent corticomotor pathway to alterations of SAI in PD. We concluded that PD-related changes in SAI are most likely caused at the cortical level, where sensory input is rapidly integrated into a motor output. This makes SAI a useful tool to probe how PD impacts on the sensorimotor integration processing at the cortical level. Studies performed on PD patients have shown variable results, ranging from reduced to normal or even enhanced SAI fi...
Source: Frontiers in Human Neuroscience - April 7, 2019 Category: Neuroscience Source Type: research

Idiopathic atrial fibrillation patients rapidly outgrow their low thromboembolic risk: a  10-year follow-up study.
CONCLUSION: The majority of recently diagnosed healthy AF patients develop cardiovascular diseases with a consequent change in thromboembolic risk profile within a short time frame. A comprehensive follow-up of this patient category is necessary to avoid over- and undertreatment with anticoagulants. PMID: 30953281 [PubMed - as supplied by publisher]
Source: Netherlands Heart Journal - April 4, 2019 Category: Cardiology Authors: Weijs B, Dudink EAMP, de Vos CB, Limantoro I, Tieleman RG, Pisters R, Cheriex EC, Luermans JGLM, Crijns HJGM Tags: Neth Heart J Source Type: research

Inappropriate non-vitamin  K antagonist oral anticoagulants prescriptions: be cautious with dose reductions.
CONCLUSION: An incorrect prescription occurred more often in the reduced-dose NOAC group. Clinical parameters such as renal function are often unknown whilst these are essential to determine the right NOAC and dose. PMID: 30949972 [PubMed - as supplied by publisher]
Source: Netherlands Heart Journal - April 3, 2019 Category: Cardiology Authors: Jacobs MS, van Hulst M, Campmans Z, Tieleman RG Tags: Neth Heart J Source Type: research

Substitutions between dairy products and risk of stroke: Results from the EPIC-NL cohort.
In conclusion, whole-fat yoghurt as a substitution for low-fat yoghurt, cheese, butter, buttermilk or milk regardless of fat content was associated with a lower rate of ischemic stroke. PMID: 30868976 [PubMed - as supplied by publisher]
Source: The British Journal of Nutrition - March 13, 2019 Category: Nutrition Authors: Laursen ASD, Sluijs I, Boer JMA, Verschuren WMM, van der Schouw YT, Jakobsen MU Tags: Br J Nutr Source Type: research

Measuring Pain in Aphasia: The Reliability and Validity of the PACSLAC-D Observational Scale
Self-report pain scales are the most common way to assess pain in stroke patients with aphasia. The use of self-report pain scales in patients with aphasia is challenging due to communication or cognitive problems. A feasible, reliable and valid instrument to assess pain in patients with aphasia is yet not available. The aim of this study is to examine the reliability and validity of the Pain Assessment Checklist for Seniors with Severe Dementia-Dutch version (PACSLAC-D) in stroke patients with and without aphasia.
Source: Journal of the American Medical Directors Association - February 27, 2019 Category: Health Management Authors: Hanneke Smaling, N. de Vries, H. Smaling, J. van der Steen, W. Achterberg Tags: Research Source Type: research

Circle of Willis variations in migraine patients with ischemic stroke
ConclusionWe found no significant difference in the completeness of the CoW in acute stroke patients with migraine compared to those without.
Source: Brain and Behavior - February 16, 2019 Category: Neurology Authors: Arend M. Hamming, Marianne A. A. van Walderveen, Inge A. Mulder, Irene C. van der Schaaf, L. Jaap Kappelle, Birgitta K. Velthuis, Michel D. Ferrari, Gisela M. Terwindt, Marieke C. Visser, Wouter Schonewille, Ale Algra, Marieke J. H. Wermer, On Tags: ORIGINAL RESEARCH Source Type: research

Frailty score for elderly patients is associated with short-term clinical outcomes in patients with ST-segment elevated myocardial infarction treated with primary percutaneous coronary intervention.
CONCLUSIONS: VMS score for frailty is independently associated with short-term mortality and PCI-related SAE in elderly patients with STEMI treated with primary PCI. These results suggest that frailty in elderly patients is an important feature to measure and to be taken into account when developing risk models. PMID: 30771094 [PubMed - as supplied by publisher]
Source: Netherlands Heart Journal - February 15, 2019 Category: Cardiology Authors: Hermans MPJ, Eindhoven DC, van Winden LAM, de Grooth GJ, Blauw GJ, Muller M, Schalij MJ Tags: Neth Heart J Source Type: research

Hemodynamics of paradoxical severe aortic stenosis: insight from a pressure –volume loop analysis
ConclusionsThe present study suggests that the hemodynamics of PLFLG AS can be explained by two mechanisms: (1) stiffness of the small left ventricle with reduced contractility, and (2) increased afterload due to the impairment of vascular function. Both mechanisms have similarities to those of heart failure with preserved EF. This type of remodeling may explain the poor prognosis of PLFLG AS.
Source: Clinical Research in Cardiology - February 8, 2019 Category: Cardiology Source Type: research

Rivaroxaban for non-valvular atrial fibrillation and venous thromboembolism in the Netherlands: a real-world data based cost-effectiveness analysis.
CONCLUSIONS: In patients with NVAF or VTE, rivaroxaban treatment is likely to be cost-effective and potentially cost-saving alternative to VKA in the Netherlands. PMID: 30614320 [PubMed - as supplied by publisher]
Source: Journal of Medical Economics - January 8, 2019 Category: Health Management Tags: J Med Econ Source Type: research