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Cerebrovascular intervention

Jeffery M Reddan, David J White, Helen Macpherson, Andrew Scholey, Andrew Pipingas
Modifying nutritional intake through supplementation may be efficacious for altering the trajectory of cerebral structural decline evident with increasing age. To date, there have been a number of clinical trials in older adults whereby chronic supplementation with B vitamins, omega-3 fatty acids, or resveratrol, has been observed to either slow the rate of decline or repair cerebral tissue. There is also some evidence from animal studies indicating that supplementation with glycerophospholipids (GPL) may benefit cerebral structure, though these effects have not yet been investigated in adult humans...
2018: Frontiers in Aging Neuroscience
Ting-Chao Lin, Tse-Min Lu, Feng-Chyn Huang, Pai-Feng Hsu, Chun-Che Shih, Shing-Jong Lin, Chiao-Po Hsu
Percutaneous coronary intervention (PCI) has emerged as an alternative treatment to coronary artery bypass grafting (CABG) in patients with unprotected left main coronary artery disease (ULMCAD). However, the optimal treatment for ULMCAD concomitant with chronic kidney disease (CKD) was rarely addressed. Herein, we compare the long-term outcomes of these patients treated with CABG or PCI.From January 2004 to December 2010, 185 patients with ULMCAD and CKD undergoing PCI (n = 84) or CABG (n = 101) were matched for the selection criteria...
March 20, 2018: International Heart Journal
Guangtao Yao, Guohai Su, Keqing Li, Bin Li, Hongwei Dong
Objectives: Comparison of Ticagrelor vs clopidogrel in antiplatelet therapeutic effect of acute myocardial infarction patients undergoing percutaneous coronary intervention. Methods: The study focused on 2000 acute myocardial infarction patients undergoing percutaneous coronary intervention (PCI) in our hospital from January 2013 to December 2015. To reduce the formation of acute stent thrombosis caused by clopidogrel resistance, we had two options, one was to double the dosage of clopidogrel, and the other was to substitute ticagrelor for clopidogrel...
December 2017: Saudi Journal of Biological Sciences
Diana A Gorog
The stability of an arterial thrombus, determined by its structure and ability to resist endogenous fibrinolysis, is a major determinant of the extent of infarction that results from coronary or cerebrovascular thrombosis. There is ample evidence from both laboratory and clinical studies to suggest that in addition to inhibiting platelet aggregation, antithrombotic medications have shear-dependent effects, potentiating thrombus fragility and/or enhancing endogenous fibrinolysis. Such shear-dependent effects, potentiating the fragility of the growing thrombus and/or enhancing endogenous thrombolytic activity, likely contribute to the clinical effectiveness of such medications...
March 17, 2018: Journal of Thrombosis and Thrombolysis
John R Best, Janice J Eng, Jennifer C Davis, Robin Hsiung, Peter A Hall, Laura E Middleton, Peter Graf, Charles H Goldsmith, Teresa Liu-Ambrose
INTRODUCTION: Cerebrovascular disease-such as stroke-is the second most common cause of dementia (ie, vascular dementia). Specifically, a stroke increases one's risk for dementia by a factor of two. Thus, stroke survivors represent a target population in need of intervention strategies to promote cognitive function and prevent dementia. The current standard of care in stroke rehabilitation does not adequately address the significant cognitive consequences of stroke, especially for those who are in the chronic phase (ie, >12 months since an index stroke)...
March 17, 2018: BMJ Open
Hisao Otsuki, Junichi Yamaguchi, Kazuho Kamishima, Hiroyuki Arashi, Nobuhisa Hagiwara
Previous reports have focused on cardiovascular and bleeding events in patients with atrial fibrillation (AF) undergoing percutaneous coronary intervention (PCI). However, antithrombotic treatment strategies and clinical outcomes after second-generation drug-eluting stents (DES) implantation in AF patients remain to be determined. We enrolled 244 consecutive AF patients treated with second-generation DES. The study population was derived from multi-center AF registry (including 8 centers in Japan) from 2010 to 2012...
March 16, 2018: Heart and Vessels
Marieke A Hillaert, Hester M den Ruijter, Imo E Hoefer, Eef G Lentjes, Gert J de Borst, Jean-Paul P M de Vries, Pieter A Doevendans, Gerard Pasterkamp, Leo Timmers
BACKGROUND: The renin-angiotensin-aldosterone system is increasingly being recognized to play an important role in the development and clinical course of cardiovascular diseases. Renin-angiotensin-aldosterone system activation is associated with clinical outcome in various populations of cardiovascular patients, such as patients with coronary artery, peripheral artery, and cerebrovascular disease. In this study, we investigated the associations between plasma renin and aldosterone concentrations and atherosclerotic plaque characteristics and secondary vascular events in patients undergoing carotid endarterectomy...
March 13, 2018: Journal of Vascular Surgery
Emmanuel Teiger, Jean-Benoit Thambo, Pascal Defaye, Jean-Sylvain Hermida, Sélim Abbey, Didier Klug, Jean-Michel Juliard, Jean-Luc Pasquie, Gilles Rioufol, Antoine Lepillier, Meyer Elbaz, Jerome Horvilleur, Philippe Brenot, Bertrand Pierre, Philippe Le Corvoisier
BACKGROUND: Percutaneous left atrial appendage (LAA) closure is an emerging option for patients with atrial fibrillation at high risk for cerebrovascular events. The multicenter FLAAC registry (French Nationwide Observational LAA Closure Registry) was established to assess LAA closure outcomes in everyday practice. METHODS AND RESULTS: Four hundred thirty-six patients referred from April 2013 to September 2015 to 33 French interventional cardiology centers for percutaneous LAA closure were included prospectively in the FLAAC registry...
March 2018: Circulation. Cardiovascular Interventions
Nitin Agarwal, Georgios A Zenonos, Prateek Agarwal, Frank J Walch, Eileen Roach, Sandra J Stokes, Robert M Friedlander, Peter C Gerszten
BACKGROUND: Pharmacological prophylaxis for venous thromboembolism (VTE) in the neurosurgical population is still a matter of debate, as the risk-to-benefit ratio is not well defined. OBJECTIVE: To further evaluate the risk-to-benefit ratio of VTE prophylaxis (VTEP) for all neurosurgical procedures. METHODS: A prospective evaluation was performed after the initiation of a VTEP protocol for 11 436 patients undergoing neurosurgical procedures over 24 mo...
March 9, 2018: Neurosurgery
David R Dobies, Kimberly R Barber
Evidence-based medicine (EBM) provides clinicians with beneficial information. Nonetheless, study findings are often arbitrary, speculative or provisional. The current state of misleading evidence exists in all applications, including those for guideline recommendations. We conductedan appraisal of the American College of Cardiologyand European Society of Cardiology Guidelines for revascularisation of complex coronary anatomy to determine the veracity of the evidence that recommendations were based on. Study-specific critical appraisals were conducted by the authors on the 5-year Synergy between percutaneous coronary intervention with Taxus and cardiac surgery (SYNTAX) and future revascularisation evaluation in patients with diabetes mellitus: optimal management of multivessel disease (FREEDOM) Trials...
2018: Open Heart
Dong Zhang, Pengcheng Xu, Hongyu Qiao, Xin Liu, Liangping Luo, Wenhua Huang, Heye Zhang, Changzheng Shi
BACKGROUND: Cerebrovascular events are frequently associated with hemodynamic disturbance caused by internal carotid artery (ICA) stenosis. It is challenging to determine the ischemia-related carotid stenosis during the intervention only using digital subtracted angiography (DSA). Inspired by the performance of well-established FFRct technique in hemodynamic assessment of significant coronary stenosis, we introduced a pressure-based carotid arterial functional assessment (CAFA) index generated from computational fluid dynamic (CFD) simulation in DSA data, and investigated its feasibility in the assessment of hemodynamic disturbance preliminarily using pressure-wired measurement and arterial spin labeling (ASL) MRI as references...
March 12, 2018: Biomedical Engineering Online
Amir A Ghaffarian, Ragheed Al-Dulaimi, Larry W Kraiss, Mark Sarfati, Claire L Griffin, Brigitte K Smith, Graham Donald, Benjamin S Brooke
OBJECTIVE: Arteriovenous (AV) fistulas are the preferred hemodialysis access for patients with end-stage renal disease, although multiple interventions are typically needed to maintain patency. When AV fistulas thrombose, however, there is debate as to whether open thrombectomy should be attempted, particularly for salvage of upper arm fistulas. This study was designed to evaluate outcomes after open thrombectomy of upper arm and forearm AV fistulas compared with AV grafts. METHODS: We identified all patients who underwent an open thrombectomy procedure for a thrombosed AV fistula or graft at a single academic medical center between January 2006 and March 2017...
March 8, 2018: Journal of Vascular Surgery
Won-Sang Cho, Jeong Eun Kim, Sukh Que Park, Jun Kyeung Ko, Dae-Won Kim, Jung Cheol Park, Je Young Yeon, Seung Young Chung, Joonho Chung, Sung-Pil Joo, Gyojun Hwang, Deog Young Kim, Won Hyuk Chang, Kyu-Sun Choi, Sung Ho Lee, Seung Hun Sheen, Hyun-Seung Kang, Byung Moon Kim, Hee-Joon Bae, Chang Wan Oh, Hyeon Seon Park
Despite advancements in treating ruptured cerebral aneurysms, an aneurysmal subarachnoid hemorrhage (aSAH) is still a grave cerebrovascular disease associated with a high rate of morbidity and mortality. Based on the literature published to date, worldwide academic and governmental committees have developed clinical practice guidelines (CPGs) to propose standards for disease management in order to achieve the best treatment outcomes for aSAHs. In 2013, the Korean Society of Cerebrovascular Surgeons issued a Korean version of the CPGs for aSAHs...
March 2018: Journal of Korean Neurosurgical Society
Masahide Tokue, Raisuke Iijima, Masao Moroi, Masato Nakamura
OBJECTIVE: Previous studies have demonstrated the importance of intensive optimal medical therapy (OMT) in patients with coronary artery disease (CAD). To investigate our hypothesis that patients with and without OMT achievement differed with respect to the risk of future cardiac events, we investigated the endothelial function in patients with CAD who underwent percutaneous coronary intervention (PCI) and contemporary medical therapy. METHODS: We conducted a prospective longitudinal cohort study to evaluate the endothelial function in 96 consecutive patients at 12 h after admission and 3 months at <12 h after admission and at 3 months after discharge by measuring the brachial artery dilatation after 5 min of forearm ischemia flow-mediated dilation (FMD)...
March 2018: Anatolian Journal of Cardiology
Vanessa Scarapicchia, Erin L Mazerolle, John D Fisk, Lesley J Ritchie, Jodie R Gawryluk
Background: Alzheimer's disease (AD) is a neurodegenerative disorder that may benefit from early diagnosis and intervention. Therefore, there is a need to identify early biomarkers of AD using non-invasive techniques such as functional magnetic resonance imaging (fMRI). Recently, novel approaches to the analysis of resting-state fMRI data have been developed that focus on the moment-to-moment variability in the blood oxygen level dependent (BOLD) signal. The objective of the current study was to investigate BOLD variability as a novel early biomarker of AD and its associated psychophysiological correlates...
2018: Frontiers in Aging Neuroscience
John H Pula, Carlen A Yuen
A large portion of the central nervous system is dedicated to vision and therefore strokes have a high likelihood of involving vision in some way. Vision loss can be the most disabling residual effect after a cerebral infarction. Transient vision problems can likewise be a harbinger of stroke and prompt evaluation after recognition of visual symptoms can prevent future vascular injury. In this review, we discuss the visual aspects of stroke. First, anatomy and the vascular supply of the visual system are considered...
December 2017: Stroke and Vascular Neurology
Elizabeta B Mukaetova-Ladinska
The online themed collection of 15 papers recently published provides an update on the advances of pharmacological and non-pharmacological interventions in dementia over the last 15 years. The published studies reflect the efficacy of the current anti-dementia treatments, preventive treatments of cardio and cerebrovascular incidents (known to be risk factors for dementia), alongside the use of antidepressant medication and non-pharmacological interventions for treatment of behavioural and psychopathological symptoms of dementia...
March 1, 2018: Age and Ageing
F Y Chen, X Y Fang, H Zhang
Secondary injury of brain tissue following cerebral infarction exhibits a complicated pathogenesis that is attributed to the induction of apoptosis and inflammatory response. The present study aimed to investigate the polydatin neuroprotective effects and their mode of action in cerebral ischemic injury. A total of 80 healthy adult male Sprague-Dawley rats were randomly divided into a Sham operated group, a permanent middle cerebral artery occlusion (MCAO) group, a Polydatin low dose group and a Polydatin high dose group...
January 2018: Journal of Biological Regulators and Homeostatic Agents
Eileen P Scully
PURPOSE OF REVIEW: This review will outline the multilevel effects of biological sex on HIV acquisition, pathogenesis, treatment response, and prospects for cure. Potential mechanisms will be discussed along with future research directions. RECENT FINDINGS: HIV acquisition risk is modified by sex hormones and the vaginal microbiome, with the latter acting through both inflammation and local metabolism of pre-exposure prophylaxis drugs. Female sex associates with enhanced risk for non-AIDS morbidities including cardiovascular and cerebrovascular disease, suggesting different inflammatory profiles in men and women...
March 5, 2018: Current HIV/AIDS Reports
Vamsi Kodumuri, Senthil Balasubramanian, Aviral Vij, Sisir Siddamsetti, Ankur Sethi, Rommy Khalafallah, Sandeep Khosla
Coronary artery bypass grafting (CABG) is the preferred revascularization strategy for unprotected left main disease (UPLMD). Multiple small-scale trials and registry data showed that percutaneous coronary intervention (PCI) with drug-eluting stents (DES) is a noninferior strategy with a Class IIa American College of Cardiology/American Heart Association recommendation in patients with high surgical risk and favorable anatomy. However, 2 recent large-scale randomized trials showed conflicting evidence. We conducted a meta-analysis of the existing data to compare outcomes of PCI with DES versus CABG for UPLMD...
January 31, 2018: American Journal of Cardiology
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