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https://www.readbyqxmd.com/read/28531255/measurement-repeatability-of-central-and-peripheral-blood-pressures-the-aric-study
#1
Fran Yong, Gerardo Heiss, David Couper, Michelle L Meyer, Susan Cheng, Hirofumi Tanaka
BACKGROUND: Central systolic and pulse pressures are markers of risk for small vessel disease in the brain and kidneys. The extent to which these markers are reproducible in the setting of population studies is less well established. We estimated short-term repeatability of central systolic and pulse pressures, and those of their peripheral measures for comparison. METHODS: Participants aged 65 years and over (n = 79, 56% women) were drawn from the 2011-2013 examination of the ARIC cohort...
May 22, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28525562/retinal-vein-occlusion-as-the-surrogate-marker-for-premature-brain-aging-in-young-patients
#2
Kwan Hyuk Cho, Chi Kyung Kim, Kyungmi Oh, Seung-Won Oh, Kyu Hyung Park, Sang Jun Park
Purpose: We investigated cerebral small vessel disease (SVD) in patients with incidental retinal vein occlusion (RVO). Methods: This retrospective, case-control, observational trial included 125 patients with RVO who underwent brain magnetic resonance imaging (MRI) and 1105 age-matched controls who underwent comprehensive medical interviews and MRI. Underlying cardiovascular diseases and MRI findings were investigated in the patients with RVO according to age (<60 or ≥60 years) and RVO occlusion level (central or branch)...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28521688/vasculitis-following-influenza-vaccination-a-review-of-the-literature
#3
Toru Watanabe
BACKGROUND: Influenza vaccine is safe and effective for the general population as well as for patients with autoimmune diseases. However, although rare, vasculitis has been reported as an adverse event following influenza vaccination. OBJECT: The aims of this literature review were to identify patients who developed vasculitis following influenza vaccination and to clarify the clinical manifestations of vasculitis in these patients. METHODS: Using the PubMed database and search engine, we performed a search of the English-language literature by combining the term influenza vaccination with each term for a specific form of vasculitis from January 1966 through April 2016...
May 17, 2017: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/28515342/clinical-presentations-and-epidemiology-of-vascular-dementia
#4
REVIEW
Eric E Smith
Cerebrovascular and cardiovascular diseases cause vascular brain injury that can lead to vascular cognitive impairment (VCI). VCI is the second most common neuropathology of dementia and mild cognitive impairment (MCI), accounting for up to one-third of the population risk. It is frequently present along with other age-related pathologies such as Alzheimer's disease (AD). Multiple etiology dementia with both VCI and AD is the single most common cause of later life dementia. There are two main clinical syndromes of VCI: post-stroke VCI in which cognitive impairment is the immediate consequence of a recent stroke and VCI without recent stroke in which cognitive impairment is the result of covert vascular brain injury detected only on neuroimaging or neuropathology...
June 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28515266/total-small-vessel-disease-score-and-risk-of-recurrent-stroke-validation-in-2-large-cohorts
#5
Kui Kai Lau, Linxin Li, Ursula Schulz, Michela Simoni, Koon Ho Chan, Shu Leong Ho, Raymond Tak Fai Cheung, Wilhelm Küker, Henry Ka Fung Mak, Peter M Rothwell
OBJECTIVE: In patients with TIA and ischemic stroke, we validated the total small vessel disease (SVD) score by determining its prognostic value for recurrent stroke. METHODS: Two independent prospective studies were conducted, one comprising predominantly Caucasian patients with TIA/ischemic stroke (Oxford Vascular Study [OXVASC]) and one predominantly Chinese patients with ischemic stroke (University of Hong Kong [HKU]). Cerebral MRI was performed and assessed for lacunes, microbleeds, white matter hyperintensities (WMH), and perivascular spaces (PVS)...
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28515156/anti-glomerular-basement-membrane-disease
#6
Stephen P McAdoo, Charles D Pusey
Anti-glomerular basement membrane (anti-GBM) disease is a rare small vessel vasculitis that affects the capillary beds of the kidneys and lungs. It is an archetypic autoimmune disease, caused by the development of directly pathogenic autoantibodies targeting a well characterized autoantigen expressed in the basement membranes of these organs, although the inciting events that induce the autoimmune response are not fully understood. The recent confirmation of spatial and temporal clustering of cases suggests that environmental factors, including infection, may trigger disease in genetically susceptible individuals...
May 17, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28514410/-cryoglobulinemic-vasculitis-in-chronic-hepatitis-c-genetic-aspects
#7
M G Artemova, D T Abdurakhmanov
Cryoglobulinemia (CG) is detected in more than 50% of patients with chronic hepatitis C (CHC); however, only 15-25% of them develop cryoglobulinemic vasculitis (CV) that is a systemic vasculitis due to the formation of immune deposits, which affects small (less than medium-sized) vessels and which is frequently fatal for the patient. The causes of CG only in some patients with CHC and the pathogenesis of CV remain unstudied; however, the accumulated data allow one to identify the special contribution of the patient's genetic factors to the development of the disease...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28508096/-off-label-biologic-therapy-of-anca-associated-and-non-anca-associated-small-vessel-vasculitis-efficacy-and-safety-analysis-of-a-national-registry-graid2
#8
N Venhoff, F Proft, H Schulze-Koops, J Holle, R E Voll, C Iking-Konert, A M Jacobi, J Henes, L Unger, O Kneitz, T Dörner, J Thiel
OBJECTIVE: To evaluate the clinical efficacy and safety of off-label biological therapies in patients with ANCA-associated vasculitis (AAV) and non-ANCA-associated small-vessel vasculitis (nAAV) in clinical practice. METHODS: The German Registry in Autoimmune Diseases 2 (GRAID2) is a national, retrospective, non-interventional, multicentre observational study (August 2006 until December 2013) on patients with autoimmune diseases refractory to standard immunosuppressive therapy treated with off-label biologicals...
May 15, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28508064/fibulin-4-is-essential-for-maintaining-arterial-wall-integrity-in-conduit-but-not-muscular-arteries
#9
Carmen M Halabi, Thomas J Broekelmann, Michelle Lin, Vivian S Lee, Mon-Li Chu, Robert P Mecham
Homozygous or compound heterozygous mutations in fibulin-4 (FBLN4) lead to autosomal recessive cutis laxa type 1B (ARCL1B), a multisystem disorder characterized by significant cardiovascular abnormalities, including abnormal elastin assembly, arterial tortuosity, and aortic aneurysms. We sought to determine the consequences of a human disease-causing mutation in FBLN4 (E57K) on the cardiovascular system and vascular elastic fibers in a mouse model of ARCL1B. Fbln4(E57K/E57K) mice were hypertensive and developed arterial elongation, tortuosity, and ascending aortic aneurysms...
May 2017: Science Advances
https://www.readbyqxmd.com/read/28507447/managing-refractory-cryoglobulinemic-vasculitis-challenges-and-solutions
#10
REVIEW
Predrag Ostojic, Ivan R Jeremic
Cryoglobulinemia is thought to be a rare condition. It may be an isolated disorder or secondary to a particular disease. According to immunoglobulin composition, cryoglobulinemia is classified into three types. In mixed cryoglobulinemia (types II and III), vascular deposition of cryoglobulin-containing immune complexes and complement may induce a clinical syndrome, characterized by systemic vasculitis and inflammation - cryoglobulinemic vasculitis (CryoVas). Most common clinical manifestations in CryoVas are skin lesions (orthostatic purpura and ulcers), weakness, peripheral neuropathy, Raynaud's phenomenon, sicca syndrome, membranoproliferative glomerulonephritis, and arthralgia and seldom arthritis...
2017: Journal of Inflammation Research
https://www.readbyqxmd.com/read/28507298/protective-effects-of-apoe-e2-against-disease-progression-in-subcortical-vascular-mild-cognitive-impairment-patients-a-three-year-longitudinal-study
#11
Yeo Jin Kim, Sang Won Seo, Seong Beom Park, Jin Ju Yang, Jin San Lee, Juyoun Lee, Young Kyoung Jang, Sung Tae Kim, Kyung-Han Lee, Jong Min Lee, Jae-Hong Lee, Jae Seung Kim, Duk L Na, Hee Jin Kim
Although the association between apolipoprotein E (APOE) genotype and disease progression is well characterized in patients with Alzheimer's disease, such a relationship is unknown in patients with subcortical vascular cognitive impairment. We evaluated whether APOE genotype is associated with disease progression in subcortical vascular mild cognitive impairment (svMCI) patients. We prospectively recruited 72 svMCI patients (19 APOE4 carriers, 42 APOE3 homozygotes, and 11 APOE2 carriers). Patients were annually followed-up with brain MRI and neuropsychological tests for three years and underwent a second Pittsburgh compound B (PiB)-PET at a mean interval of 32...
May 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28503567/cognitive-impairment-in-chronic-kidney-disease-vascular-milieu-and-the-potential-therapeutic-role-of-exercise
#12
REVIEW
Ulf G Bronas, Houry Puzantian, Mary Hannan
Chronic kidney disease (CKD) is considered a model of accelerated aging. More specifically, CKD leads to reduced physical functioning and increased frailty, increased vascular dysfunction, vascular calcification and arterial stiffness, high levels of systemic inflammation, and oxidative stress, as well as increased cognitive impairment. Increasing evidence suggests that the cognitive impairment associated with CKD may be related to cerebral small vessel disease and overall impairment in white matter integrity...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28502486/jcl-roundtable-cardiovascular-disease-risk-reduction-in-menopausal-women
#13
REVIEW
William Virgil Brown, Martha Gulati, Gina P Lundberg
Ovarian failure occurs in most women during the late fifth decade or early sixth decade of life. This causes a number of changes in physiology as estrogen and progestin concentrations decline. These involve lipoprotein metabolism and the vasculature. The risk factors for large vessel disease increase, and dysfunction of the small resistance vessels responds with changes in blood flow to the skin causing unpleasant symptoms. These and other changes result in visits to the physician. A reassessment of risk factors and symptoms is needed to develop a new plan for effective management, both short term and long term...
March 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28501930/association-of-gwas-reported-variant-rs11196288-near-habp2-with-ischemic-stroke-in-chinese-han-population
#14
Shao-Hua Li, Chang-He Shi, Yu-Sheng Li, Fang Li, Mi-Bo Tang, Xin-Jing Liu, Shuo Zhang, Zhi-Lei Wang, Bo Song, Yu-Ming Xu
A recent genome-wide association analysis identified a novel single nucleotide polymorphism locus on chromosome 10q25.3 (rs11196288, near HABP2) associated with the risk of early-onset ischemic stroke (IS) in European population, but not with late-onset IS. However, the role of this genome-wide association study (GWAS)-reported variant in ischemic stroke in Chinese Han population remained unknown. In our study, 389 adult ischemic stroke patients with an age of onset <60 years and 389 matched healthy controls were enrolled to investigate association of rs11196288 genotypes with early-onset ischemic stroke and its subtypes; the association was further examined in another independent population consisting of 349 ischemic stroke patients with an age of onset ≧60 years and 349 matched healthy individuals...
May 13, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28499012/resistance-to-alzheimer-disease-neuropathologic-changes-and-apparent-cognitive-resilience-in-the-nun-and-honolulu-asia-aging-studies
#15
Caitlin S Latimer, C Dirk Keene, Margaret E Flanagan, Laura S Hemmy, Kelvin O Lim, Lon R White, Kathleen S Montine, Thomas J Montine
Two population-based studies key to advancing knowledge of brain aging are the Honolulu-Asia Aging Study (HAAS) and the Nun Study. Harmonization of their neuropathologic data allows cross comparison, with findings common to both studies likely generalizable, while distinct observations may point to aging brain changes that are dependent on sex, ethnicity, environment, or lifestyle factors. Here, we expanded the neuropathologic evaluation of these 2 studies using revised NIA-Alzheimer's Association guidelines and compared directly the neuropathologic features of resistance and apparent cognitive resilience...
June 1, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28495831/clinical-correlates-ethnic-differences-and-prognostic-implications-of-perivascular-spaces-in-transient-ischemic-attack-and-ischemic-stroke
#16
Kui-Kai Lau, Linxin Li, Caroline E Lovelock, Giovanna Zamboni, Tsz-Tai Chan, Man-Fung Chiang, Kin-Ting Lo, Wilhelm Küker, Henry Ka-Fung Mak, Peter M Rothwell
BACKGROUND AND PURPOSE: Perivascular spaces (PVSs) are considered markers of small vessel disease. However, their long-term prognostic implications in transient ischemic attack/ischemic stroke patients are unknown. Ethnic differences in PVS prevalence are also unknown. METHODS: Two independent prospective studies were conducted, 1 comprising predominantly whites with transient ischemic attack/ischemic stroke (OXVASC [Oxford Vascular] study) and 1 comprising predominantly Chinese with ischemic stroke (University of Hong Kong)...
May 11, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28495212/quantification-of-mouse-renal-perfusion-using-arterial-spin-labeled-mri-at-1%C3%A2-t
#17
Quyen N Do, Ananth J Madhuranthakam, Peter Bendel, Robert E Lenkinski
RATIONALE AND OBJECTIVES: Quantitative measurement of renal perfusion in murine models provides important information on the organ physiology and disease states. The 1-T desktop magnetic resonance imaging has a small footprint and a self-contained fringe field. This resultant flexibility in siting makes the system ideal for preclinical imaging research. Our objective was to evaluate the capability of the 1-T desktop magnetic resonance imaging to measure mouse renal perfusion without the administration of exogenous contrast agents...
May 8, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28495147/discrepancies-between-two-immunoassays-for-the-determination-of-mpo-and-pr3-autoantibodies
#18
Qian Sun, Boris Calderon, Zhen Zhao
BACKGROUND: Testing for autoantibodies to myeloperoxidase (MPO) and proteinase 3 (PR3) is part of anti-neutrophil cytoplasmic antibodies (ANCA) test that aids the diagnosis of a number of autoimmune diseases including small-vessel vasculitis. We characterized the differences between two automated immunoassays at three facilities for measuring MPO- and PR3-ANCA autoantibodies. METHODS: 117 serum samples were analyzed for MPO and PR3 autoantibodies. The INOVA QUANTA Lite® IgG assay (INOVA Diagnostics) were performed at two facilities and the Bio-Plex® 2200 Vasculitis Panel (Bio-Rad) were performed at a third reference lab...
May 8, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28494709/hypervirulent-klebsiella-pneumoniae-in-california-sea-lions-zalophus-californianus-pathologic-findings-in-natural-infections
#19
Mauricio Seguel, Nicole L Gottdenker, Kathleen Colegrove, Shawn Johnson, Carsten Struve, Elizabeth W Howerth
Tissues of stranded California sea lions ( Zalophus californianus) naturally infected with a hyperviruluent strain of Klebsiella pneumoniae were examined by histopathology and immunohistochemistry against the K. pneumoniae K2 capsular antigen. In 7 of 8 animals, there was severe purulent bronchopneumonia, sometimes complicated by fibrinonecrotizing pleuritis with pyothorax. In affected areas of lung, large numbers of degenerate neutrophils and macrophages were admixed with rare large extracellular and intracellular gram-negative bacilli surrounded by a prominent capsule...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28493898/apathy-but-not-depression-is-associated-with-executive-dysfunction-in-cerebral-small-vessel-disease
#20
Valerie Lohner, Rebecca L Brookes, Matthew J Hollocks, Robin G Morris, Hugh S Markus
OBJECTIVE: To determine the prevalence of apathy and depression in cerebral small vessel disease (SVD), and the relationships between both apathy and depression with cognition. To examine whether apathy is specifically related to impairment in executive functioning and processing speed. METHODS: 196 patients with a clinical lacunar stroke and an anatomically corresponding lacunar infarct on MRI were compared to 300 stroke-free controls. Apathy and depression were measured using the Geriatric Depression Scale, and cognitive functioning was assessed using an SVD cognitive screening tool, the Brief Memory and Executive Test, which measures executive functioning/processing speed and memory/orientation...
2017: PloS One
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