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Cerebrovascular Dysfunction

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https://www.readbyqxmd.com/read/29026617/cerebral-vasculitis-and-intracranial-multiple-aneurysms-in-a-child-with-lyme-neuroborreliosis
#1
Elisa Kortela, Jukka Hytönen, Jussi Numminen, Margit Overmyer, Harri Saxen, Jarmo Oksi
Introduction. Lyme borreliosis is a multisystem tick-borne disease caused by Borrelia burgdorferi. Neurological manifestations are reported in up to 15 % of adult patients with Lyme disease, while the frequency among children is higher. The most common manifestations are painful radiculopathy, facial nerve paresis and lymphocytic meningitis. Epileptic seizures and cerebral vasculitis with stroke or aneurysms are very rare complications. Case presentation. We describe a paediatric patient with sensorineural auditory dysfunction, headache, fatigue and epileptic seizures as sequelae of meningoencephalitis/Lyme neuroborreliosis (LNB) caused by B...
April 2017: JMM Case Reports
https://www.readbyqxmd.com/read/28984599/sleep-apnea-cognitive-profile-and%C3%A2-vascular-changes-an-intriguing-relationship
#2
Laura Buratti, Giovanna Viticchi, Sara Baldinelli, Lorenzo Falsetti, Simona Luzzi, Alessandra Pulcini, Cristina Petrelli, Leandro Provinciali, Mauro Silvestrini
BACKGROUND: Sleep breathing disorders can affect cognitive performances through complex brain anatomical and functional changes. OBJECTIVE: Our aim was to evaluate the correlations between cognitive performances and obstructive sleep apnea syndrome (OSAS), as well as the possible influence of vascular factors. METHODS: Thirty-four non-demented OSAS patients and 34 controls were submitted to a neuropsychological evaluation and to a vascular screening including the study of cerebrovascular reactivity by means of the breath-holding index (BHI) calculation...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28982563/the-international-multicenter-trivalve%C3%A2-registry-which-patients-are-undergoing-transcatheter-tricuspid-repair
#3
Maurizio Taramasso, Rebecca T Hahn, Hannes Alessandrini, Azeem Latib, Adrian Attinger-Toller, Daniel Braun, Eric Brochet, Kim A Connelly, Paolo Denti, Florian Deuschl, Andrea Englmaier, Neil Fam, Christian Frerker, Joerg Hausleiter, Jean-Michel Juliard, Ryan Kaple, Felix Kreidel, Karl Heinz Kuck, Shingo Kuwata, Marco Ancona, Margarita Malasa, Tamim Nazif, Georg Nickenig, Fabian Nietlispach, Alberto Pozzoli, Ulrich Schäfer, Joachim Schofer, Robert Schueler, Gilbert Tang, Alec Vahanian, John G Webb, Ermela Yzeiraj, Francesco Maisano, Martin B Leon
OBJECTIVES: This study sought to develop a large, international registry to evaluate the diffusion of these approaches and investigate patient characteristics and initial clinical results. BACKGROUND: Several transcatheter tricuspid valve therapies are emerging as therapeutic options for patients with severe symptomatic tricuspid regurgitation (TR), generally a high-risk surgical population. METHODS: The TriValve (Transcatheter Tricuspid Valve Therapies) registry included 106 high-risk patients (76 ± 9 years of age; 60...
October 9, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28979573/prosthodontic-rehabilitation-of-arabic-speaking-individuals-with-velopharyngeal-incompetence-a-preliminary-study
#4
Abdel Rahim M Bibars, Firas S D Alfwaress, Abed Al-Hadi Hamasha, Zeid A Al-Hourani, Khader Almhdawi
BACKGROUND: Hypernasality is a frequently encountered problem in the speech of individuals with velopharyngeal incompetence. The use of palatal lift appliance (PLA) is the main treatment option for correction of velopharyngeal incompetence. The literature on the outcomes of using prosthetics treatment for Arabic speaking patients is scarce. OBJECTIVE: The aim of this study was to investigate the effect of using PLA on hypernasality of Arabic speaking patients with velopharyngeal incompetence...
2017: Open Dentistry Journal
https://www.readbyqxmd.com/read/28966804/age-related-impairment-of-vascular-structure-and-functions
#5
REVIEW
Xianglai Xu, Brian Wang, Changhong Ren, Jiangnan Hu, David A Greenberg, Tianxiang Chen, Liping Xie, Kunlin Jin
Among age-related diseases, cardiovascular and cerebrovascular diseases are major causes of death. Vascular dysfunction is a key characteristic of these diseases wherein age is an independent and essential risk factor. The present work will review morphological alterations of aging vessels in-depth, which includes the discussion of age-related microvessel loss and changes to vasculature involving the capillary basement membrane, intima, media, and adventitia as well as the accompanying vascular dysfunctions arising from these alterations...
October 2017: Aging and Disease
https://www.readbyqxmd.com/read/28957666/the-neurovascular-unit-coming-of-age-a-journey-through-neurovascular-coupling-in-health-and-disease
#6
REVIEW
Costantino Iadecola
The concept of the neurovascular unit (NVU), formalized at the 2001 Stroke Progress Review Group meeting of the National Institute of Neurological Disorders and Stroke, emphasizes the intimate relationship between the brain and its vessels. Since then, the NVU has attracted the interest of the neuroscience community, resulting in considerable advances in the field. Here the current state of knowledge of the NVU will be assessed, focusing on one of its most vital roles: the coupling between neural activity and blood flow...
September 27, 2017: Neuron
https://www.readbyqxmd.com/read/28939682/effects-of-pioglitazone-on-cognitive-function-in-patients-with-a-recent-ischaemic-stroke-or-tia-a-report-from-the-iris-trial
#7
Karen L Furie, Catherine M Viscoli, Mark Gorman, Gary A Ford, Lawrence H Young, Silvio E Inzucchi, Peter D Guarino, Anne M Lovejoy, Robin Conwit, David Tanne, Walter N Kernan
INTRODUCTION: Patients with cerebrovascular disease are at increased risk for cognitive dysfunction. Modification of vascular risk factors, including insulin resistance, could improve poststroke cognitive function. METHODS: In the Insulin Resistance Intervention after Stroke (IRIS) trial, patients with a recent ischaemic stroke or transient ischaemic attack (TIA) were randomised to pioglitazone (target 45 mg daily) or placebo. All patients were insulin resistant based on a Homeostasis Model Assessment-Insulin Resistance score >3...
September 22, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28933065/cerebrovascular-disease-consequences-of-obesity-induced-endothelial-dysfunction
#8
Liliana Letra, Cristina Sena
Despite the well-known global impact of overweight and obesity in the incidence of cerebrovascular disease, many aspects of this association are still inconsistently defined. In this chapter we aim to present a critical review on the links between obesity and both ischemic and hemorrhagic stroke and discuss its influence on functional outcomes, survival, and current treatments to acute and chronic stroke. The role of cerebrovascular endothelial function and respective modulation is also described as well as its laboratory and clinical assessment...
2017: Advances in Neurobiology
https://www.readbyqxmd.com/read/28931072/high-prevalence-of-non-dipping-blood-pressure-and-vascular-stiffness-in-hiv-infected-south-africans-on-antiretrovirals
#9
M S Borkum, J M Heckmann, K Manning, J A Dave, N S Levitt, B L Rayner, N Wearne
BACKGROUND: HIV-infected individuals are at increased risk of tissue inflammation and accelerated vascular aging ('inflamm-aging'). Abnormal diurnal blood pressure (BP) rhythms such as non-dipping may contribute to an increased risk of cardiovascular and cerebrovascular events in HIV infected individuals. However, little data exists on ambulatory blood pressure (ABP) and measures of vascular stiffness in the black African HIV infected population. METHODS: This is a cross-sectional analysis of otherwise well, HIV infected outpatients on ART for >5 years...
2017: PloS One
https://www.readbyqxmd.com/read/28914129/maternal-high-fat-diet-programs-cerebrovascular-remodeling-in-adult-rat-offspring
#10
ChengCheng Lin, XiaoYun Wu, YuLei Zhou, Bei Shao, XiaoTing Niu, WanLi Zhang, YuanShao Lin
Maternal environmental factors such as diet have consequences on later health of the offspring. We found that maternal high-fat diet (HFD) exposure renders adult offspring brain more susceptible to ischemic injury. The present study was further to investigate whether HFD consumption during rat pregnancy and lactation influences the cerebral vasculature in adult male offspring. Besides the endothelial damage observed in the transmission electron microscopy, the MCAs of offspring from fat-fed dams fed with control diet (HFD/C) also displayed increased wall thickness and media/lumen ratio, suggesting that cerebrovascular hypertrophy or hyperplasia occurs...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28902142/blood-brain-barrier-dysfunction-and-the-pathogenesis-of-alzheimer-s-disease
#11
REVIEW
Yu Yamazaki, Takahisa Kanekiyo
Brain capillary endothelial cells form the blood-brain barrier (BBB), which is covered with basement membranes and is also surrounded by pericytes and astrocyte end-feet in the neurovascular unit. The BBB tightly regulates the molecular exchange between the blood flow and brain parenchyma, thereby regulating the homeostasis of the central nervous system (CNS). Thus, dysfunction of the BBB is likely involved in the pathogenesis of several neurological diseases, including Alzheimer's disease (AD). While amyloid-β (Aβ) deposition and neurofibrillary tangle formation in the brain are central pathological hallmarks in AD, cerebrovascular lesions and BBB alteration have also been shown to frequently coexist...
September 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28886695/cerebral-microvascular-dysfunction-in-metabolic-syndrome-is-exacerbated-by-ischemia-reperfusion-injury
#12
Nathalie Obadia, Marcos Adriano Lessa, Anissa Daliry, Raquel Rangel Silvares, Fabiana Gomes, Eduardo Tibiriçá, Vanessa Estato
BACKGROUND: Metabolic syndrome (MetS) is associated with an increased risk of cerebrovascular diseases, including cerebral ischemia. Microvascular dysfunction is an important feature underlying the pathophysiology of cerebrovascular diseases. In this study, we aimed to investigate the impacts of ischemia and reperfusion (IR) injury on the cerebral microvascular function of rats with high-fat diet-induced MetS. RESULTS: We examined Wistar rats fed a high-fat diet (HFD) or normal diet (CTL) for 20 weeks underwent 30 min of bilateral carotid artery occlusion followed by 1 h of reperfusion (IR) or sham surgery...
September 8, 2017: BMC Neuroscience
https://www.readbyqxmd.com/read/28885502/outcomes-of-endovascular-repair-for-abdominal-aortic-aneurysms-a-nationwide-survey-in-japan
#13
Katsuyuki Hoshina, Shin Ishimaru, Yusuke Sasabuchi, Hideo Yasunaga, Kimihiro Komori
OBJECTIVE: To analyze data on patients treated with a bifurcated stent graft for abdominal aortic aneurysm (AAA). BACKGROUND: The Japan Committee for Stentgraft Management (JACSM) was established in 2007 to manage the safety of endovascular aortic aneurysm repair (EVAR) in Japan. The JACSM registry includes detailed anatomical and clinical data of all patients who undergo stent graft insertion in Japan. METHODS: Among 51,380 patients treated with bifurcated stent graft for AAA, we identified 38,008 eligible patients (excluding those with rupture or insufficient data)...
September 6, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28884715/-multicenter-observational-program-for-evaluation-of-the-effectiveness-of-the-recognan-citicoline-in-the-correction-of-cognitive-impairment-in-patients-with-chronic-cerebrovascular-pathology
#14
V V Mashin, L A Belova, I R Bakhtogarimov, T M Bergelson, R R Sharafutdinova
AIM: To study the efficacy and safety of recognan (citicoline) in the treatment of cognitive and depressive disorders in chronic cerebrovascular pathology (chronic brain ischemia) developed in patients with arterial hypertension and/or atherosclerosis. MATERIAL AND METHODS: Seven hundred and thirty-six patients with cerebrovascular pathology, cognitive impairment and mild dementia were examined. The sample included 279 (37.9%) men and 457 (62.1%) women aged from 35 to 80 years (mean age 64...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28884712/-clinical-and-neurovisualization-characteristics-of-apathetic-depression
#15
A S Avedisova, K V Zakharova, V V Gaskin, I S Samotaeva, I A Arkusha
AIM: To study apathetic depression first diagnosed at late age and identify its relation to cognitive and social dysfunction as well as to morphological and functional changes in the brain. MATERIAL AND METHODS: Thirty-two patients at the age above 60 years with newly diagnosed depressive episode and 15 healthy age-matched volunteers were included in the study. All patients were divided into two groups by the score on the Apathy scale (AS): >14 - depression with apathy (n=21), <14 - depression without apathy (n=11)...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28874333/prevalence-and-risk-factors-for-erectile-dysfunction-in-chinese-adult-males
#16
Xinyu Zhang, Bin Yang, Ni Li, Hongjun Li
BACKGROUND: There is a lack of nationwide epidemiologic survey data on the prevalence estimate of erectile dysfunction (ED) in Chinese men living on the mainland China. AIM: To attain the representative prevalence estimate of ED in the Chinese male population and to analyze potential risk factors associated with ED by demographics, socioeconomic status, and medical comorbidities. METHODS: The study was community based. The five-item Internation Index of Erectile Function questionnaire and in-person interview were used to obtain data...
October 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28870875/which-is-the-best-anti-aggregant-or-anti-coagulant-therapy-after-tavi-a-propensity-matched-analysis-from-the-iter-registry-the-management-of-dapt-after-tavi
#17
Fabrizio D'Ascenzo, Umberto Benedetto, Matteo Bianco, Federico Conrotto, Claudio Moretti, Augusto D'Onofrio, Marco Agrifoglio, Antonio Colombo, Flavio Ribichini, Giuseppe Tarantini, Maurizio D'Amico, Stefano Salizzoni, Fiorenzo Gaita
AIMS: Safety and efficacy of single vs. dual antiplatelet therapy (DAPT) in patients undergoing TAVI remain to be addressed. METHODS AND RESULTS: All consecutive patients enrolled in the ITER registry were included. Patients undergoing TAVI discharged with aspirin alone were compared to those assuming DAPT before and after selection with propensity score with matching. Subgroup analysis was performed for those on OAT. Prosthetic heart valve dysfunction at follow-up was the primary end point whereas all cause death, cardiovascular death, bleedings, vascular complications and cerebrovascular accidents were the secondary ones...
September 5, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28865157/acute-simvastatin-treatment-restores-cerebral-functional-capillary-density-and-attenuates-angiotensin-ii-induced-microcirculatory-changes-in-a-model-of-primary-hypertension
#18
Felipe Freitas, Vanessa Estato, Patricia Reis, Hugo C Castro-Faria-Neto, Vinícius Carvalho, Rafael Torres, Marcos A Lessa, Eduardo Tibiriçá
OBJECTIVE: We investigated the acute effects of simvastatin on cerebral microvascular rarefaction and dysfunction in spontaneously hypertensive rats (SHRs). METHODS: Male Wistar Kyoto rats (WKY) and SHRs were divided into 4 groups of 8 animals each: WKY-CTL and SHR-CTL, treated with 0.9% saline; and WKY+SIM and SHR+SIM, treated with simvastatin (30 mg/kg/day) for 3 days by gavage. Cerebral functional capillary density (FCD) was assessed by intravital fluorescence videomicroscopy...
September 2, 2017: Microcirculation: the Official Journal of the Microcirculatory Society, Inc
https://www.readbyqxmd.com/read/28844545/the-risk-of-neurological-dysfunctions-after-deep-hypothermic-circulatory-arrest-with-retrograde-cerebral-perfusion
#19
Giuseppe Gatti, Bernardo Benussi, Placido Currò, Gabriella Forti, Elisabetta Rauber, Alessandro Minati, Marco Gabrielli, Umberto Tognolli, Gianfranco Sinagra, Aniello Pappalardo
OBJECTIVE: Retrograde cerebral perfusion (RCP) is a brain protection technique that is adopted generally for anticipated short periods of deep hypothermic circulatory arrest (DHCA). However, the real impact of this technique on cerebral protection during DHCA remains a controversial issue. METHODS: For 344 (59.5%) of 578 consecutive patients (mean age, 66.9 ± 10.9 years) who underwent cardiovascular surgery under DHCA at the present authors' institution (1999-2015), RCP was the sole technique of cerebral protection that was adopted in addition to deep hypothermia...
August 22, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28844511/prognostic-significance-of-change-in-the-left-ventricular-ejection-fraction-after-transcatheter-aortic-valve-implantation-in-patients-with-severe-aortic-stenosis-and-left-ventricular-dysfunction
#20
Marco Angelillis, Cristina Giannini, Marco De Carlo, Marianna Adamo, Matilde Nardi, Antonio Colombo, Alaide Chieffo, Francesco Bedogni, Nedy Brambilla, Corrado Tamburino, Marco Barbanti, Giuseppe Bruschi, Paola Colombo, Arnaldo Poli, Paola Martina, Roberto Violini, Patrizia Presbitero, Anna Sonia Petronio
Patients with severe aortic stenosis and reduced left ventricular ejection fraction (LVEF) have a poor prognosis compared with patients with preserved LVEF. To evaluate the impact of early LVEF recovery in patients with baseline dysfunction on clinical outcomes after transcatheter aortic valve implantation (TAVI), we included all consecutive patients who underwent TAVI from the Italian ClinicalService registry with an LVEF of ≤45% at baseline who had 1-month LVEF data. Patients who experienced a previous coronary artery bypass graft, a previous valve replacement, or a previous myocardial infarction were excluded from the analysis...
November 1, 2017: American Journal of Cardiology
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