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Statin and cognition

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https://www.readbyqxmd.com/read/27909476/atrial-fibrillation-and-risk-of-dementia-cognitive-decline
#1
REVIEW
Anand D Shah Md, Faisal M Merchant Md, David B Delurgio Md
Emerging evidence suggests a link between atrial fibrillation and subsequent development of dementia. While a majority of risk can be attributed to cardioembolic stroke secondary to atrial fibrillation, additional risk is apparent, and may be driven by vascular inflammation and changes in cerebral perfusion. Medical therapies including anticoagulation, statin therapy, and angiotensin-renin-aldosterone axis antagonists may reduce dementia risk. Procedural therapies such as atrial fibrillation catheter ablation and left atrial appendage closure may also prove to be important mediators of acute and long-term risk...
February 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27885885/septic-encephalopathy-and-septic-encephalitis-%C3%A2-%C3%A2-%C3%A2-%C3%A2
#2
Simone C Tauber, Helmut Eiffert, Wolfgang Brück, Roland Nau
During the last two decades, septic encephalopathy (SE) was recognized as a clinically relevant problem with a high prevalence in patients at admission and during their hospital stay. SE is a condition associated with increased mortality and morbidity such as long-term cognitive impairment. Areas covered: This review illustrates the pathophysiology of sepsis-associated encephalopathy and encephalitis involving blood-brain-barrier dysfunction and neuroinflammation caused by endothelial and microglial activation by endogenous or pathogen-derived compounds, hypoxia by impaired microvascular regulation and septic shock as well as imbalance of neurotransmitters...
November 25, 2016: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/27878815/interventions-to-reduce-cognitive-impairments-following-critical-illness-a-topical-systematic-review
#3
REVIEW
H K Nedergaard, H I Jensen, P Toft
BACKGROUND: Critical illness is associated with cognitive impairments. Effective treatment or prevention has not been established. The aim of this review was to create a systematic summary of the current evidence concerning clinical interventions during intensive care admission to reduce cognitive impairments after discharge. METHODS: Medline, Embase, Cochrane Central, PsycInfo and Cinahl were searched. Inclusion criteria were studies assessing the effect of interventions during intensive care admission on cognitive function in adult patients...
November 22, 2016: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/27877045/serum-low-density-lipoprotein-levels-statin-use-and-cognition-in-patients-with-coronary-artery-disease
#4
Soham Rej, Mahwesh Saleem, Nathan Herrmann, Anthi Stefatos, Allison Rau, Krista L Lanctôt
AIM: Statins have been associated with decreased cognition due to the effects of low concentrations of low-density lipoprotein (LDL) on brain function. This has remained controversial and is particularly relevant to patients with coronary artery disease (CAD), who have an increased risk of cognitive decline and are frequently prescribed statins. This study hypothesized that low concentration of LDL is associated with poor cognition in CAD patients using statins. It also explored the association between high-dose versus low-dose statins on cognition in this population...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27875557/socioeconomic-status-and-poor-health-outcome-at-10-years-of-follow-up-in-the-multi-ethnic-study-of-atherosclerosis
#5
Steven Shea, Joao Lima, Ana Diez-Roux, Neal W Jorgensen, Robyn L McClelland
BACKGROUND/OBJECTIVES: Predictors of healthy aging have not been well-studied using longitudinal data with demographic, clinical, subclinical, and genetic information. The objective was to identify predictors of poor health outcome at 10 years of follow-up in the Multi-Ethnic Study of Atherosclerosis (MESA). DESIGN: Prospective cohort study. SETTING: Population-based sample from 6 U.S. communities. PARTICIPANTS: 4,355 participants In the MESA Study...
2016: PloS One
https://www.readbyqxmd.com/read/27865998/intensive-ldl-cholesterol-lowering-therapy-and-neurocognitive-function
#6
REVIEW
Maciej Banach, Manfredi Rizzo, Dragana Nikolic, George Howard, VirginiaJ Howard, DimitriP Mikhailidis
The key lipid-lowering target is to achieve guideline-recommended low-density lipoprotein cholesterol (LDL-C) levels, usually by using statins. The new treatment strategies for lipid-lowering therapy include using proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors as an exciting approach to reduce residual risk of cardiovascular diseases (CVD). However, concerns about possible adverse effects, including neurocognitive disorders, were issued by the Food and Drug Administration (FDA). The current disputable evidence does not allow definite conclusions as to whether statins contribute to, or cause, clinically meaningful cognitive impairment...
November 16, 2016: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27833044/statins-prevent-cognitive-impairment-after-sepsis-by-reverting-neuroinflammation-and-microcirculatory-endothelial-dysfunction
#7
Patricia A Reis, Pedro C B Alexandre, Joana C D'Avila, Luciana D Siqueira, Barbara Antunes, Vanessa Estato, Eduardo V Tibiriça, Franck Verdonk, Tarek Sharshar, Fabrice Chrétien, Hugo C Castro-Faria-Neto, Fernando A Bozza
Acute brain dysfunction is a frequent condition in sepsis patients and is associated with increased mortality and long-term neurocognitive consequences. Impaired memory and executive function are common findings in sepsis survivors. Although neuroinflammation and blood-brain barrier dysfunction have been associated with acute brain dysfunction and its consequences, no specific treatments are available that prevent cognitive impairment after sepsis. Experimental sepsis was induced in Swiss Webster mice by intraperitoneal injection of cecal material (5 mg/kg, 500 μL)...
November 7, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/27796742/brain-oxidative-stress-during-experimental-sepsis-is-attenuated-by-simvastatin-administration
#8
Carlos Henrique Rocha Catalão, Nilton Nascimento Santos-Júnior, Luís Henrique Angenendt da Costa, Anderson Oliveira Souza, Luciane Carla Alberici, Maria José Alves Rocha
During sepsis, brain damage is associated with oxidative stress due to overproduction of reactive oxygen species (ROS). Although there are recent reports about the benefits of statins in experimental sepsis and endotoxemia in peripheral organs, little is known about their effects in the CNS. Here, we investigated the antioxidant properties of simvastatin and its possible neuroprotective role during experimental sepsis. Male Wistar rats (250-300 g) were submitted to cecal ligation and puncture (CLP, n = 34) or remained as non-manipulated (naive, n = 34)...
October 28, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27754297/lbos-01-04-the-true-incidence-of-statin-related-adverse-events-in-hypertensive-patients-revealed-by-comparison-of-blinded-and-un-blinded-use-of-statin-in-the-anglo-scandinavian-cardiac-outcomes-trial-ascot
#9
Peter Sever, Ajay Gupta, David Thompson, Andrew Whitehouse, Tim Collier, Bjorn Dahlof, Neil Poulter
OBJECTIVE: To test the hypothesis that adverse effects of statins are only reported in excess in observational studies and not in blinded randomized trials. DESIGN AND METHOD: We collated all reported AEs in hypertensive patients in the Lipid-Lowering arm of the Anglo-Scandinavian Cardiac Outcomes Trial (ASCOT-LLA) during the randomised, double-blind phase (when atorvastatin was compared with placebo) and the subsequent non-randomised un-blinded LLA-extension phase (when patients were offered open-label statin)...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27747681/mood-personality-and-behavior-changes-during-treatment-with-statins-a-case-series
#10
Stephanie Cham, Hayley J Koslik, Beatrice A Golomb
Psychiatric adverse drug reactions (ADRs) have been reported with statin use, but the literature regarding statin-associated mood/behavioral changes remains limited. We sought to elicit information germane to natural history and characteristics of central nervous system/behavioral changes in apparent connection with statin and/or cholesterol-lowering drug use, and delineate mechanisms that may bear on an association. Participants (and/or proxies) self-referred with behavioral and/or mood changes in apparent association with statins completed a survey eliciting cholesterol-lowering drug history, character and impact of behavioral/mood effect, time-course of onset and recovery in relation to drug use/modification, co-occurrence of recognized statin-associated ADRs, and factors relevant to ADR causality determination...
December 2016: Drug Safety—Case Reports
https://www.readbyqxmd.com/read/27729950/prevention-of-post-operative-delirium-in-the-elderly-using-pharmacological-agents
#11
Patrice Tremblay, Susan Gold
INTRODUCTION: Post-operative delirium (POD) is a serious surgical complication that can cause significant morbidity and mortality. It is associated with prolonged hospital stay, delayed admission to rehabilitation programs, persistent cognitive deficits, marked health-care costs, and more. The pathophysiology is multi-factorial and not completely understood, which complicates the optimal management. Non-pharmacological measures have been the mainstay of treatment, but there has been an ongoing interest in the medical literature on the prevention of post-operative delirium using medications...
September 2016: Canadian Geriatrics Journal: CGJ
https://www.readbyqxmd.com/read/27687042/simvastatin-enhances-the-hippocampal-klotho-in-a-rat-model-of-streptozotocin-induced-cognitive-decline
#12
Soheila Adeli, Maryam Zahmatkesh, Gholamreza Tavoosidana, Morteza Karimian, Gholamreza Hassanzadeh
Brain oxidative status is a crucial factor in the development of sporadic Alzheimer's disease (AD). Klotho, an anti-aging protein, diminishes oxidative stress by the induction of manganese superoxide dismutase (MnSOD). Thus, the substances that increase klotho expression could be considered as a potential treatment for Alzheimer's disease when the oxidative imbalance is present. Statins are suggested to up-regulate klotho expression. We examined the effect of simvastatin (5mg/kg, daily for 3weeks) on hippocampal klotho and MnSOD expression in the cognitive declined animal model induced by intracerebroventricular (ICV)-streptozotocin (STZ) administration...
January 4, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/27677773/patient-centered-interventions-to-improve-adherence-to-statins-a-narrative-synthesis-of-systematically-identified-studies
#13
Magnus Jörntén-Karlsson, Stéphane Pintat, Michael Molloy-Bland, Staffan Berg, Matti Ahlqvist
Poor adherence to statins increases cardiovascular disease risk. We systematically identified 32 controlled studies that assessed patient-centered interventions designed to improve statin adherence. The limited number of studies and variation in study characteristics precluded strict quality criteria or meta-analysis. Cognitive education or behavioural counselling delivered face-to-face multiple times consistently improved statin adherence compared with control groups (7/8 and 3/3 studies, respectively). None of four studies using medication reminders and/or adherence feedback alone reported significantly improved statin adherence...
October 2016: Drugs
https://www.readbyqxmd.com/read/27676466/effects-of-longitudinal-glucose-exposure-on-cognitive-and-physical-function-results-from-the-action-for-health-in-diabetes-movement-and-memory-study
#14
Kristen M Beavers, Iris Leng, Stephen R Rapp, Michael E Miller, Denise K Houston, Anthony P Marsh, Don G Hire, Laura D Baker, George A Bray, George L Blackburn, Andrea L Hergenroeder, John M Jakicic, Karen C Johnson, Mary T Korytkowski, Brent Van Dorsten, Stephen B Kritchevsky
OBJECTIVES: To test whether average long-term glucose exposure is associated with cognitive and physical function in middle-aged and younger-old adults with type 2 diabetes mellitus. DESIGN: Prospective cohort study. SETTING: Data obtained as part of the Action for Health in Diabetes (Look AHEAD) trial (NCT00017953) and Look AHEAD Movement and Memory ancillary study (NCT01410097). PARTICIPANTS: Overweight and obese individuals with type 2 diabetes mellitus aged 45 to 76 at baseline (N = 879)...
September 27, 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27671901/statins-are-underused-in-recent-onset-parkinson-s-disease-with-increased-vascular-risk-findings-from-the-uk-tracking-parkinson-s-and-oxford-parkinson-s-disease-centre-opdc-discovery-cohorts
#15
Diane M A Swallow, Michael A Lawton, Katherine A Grosset, Naveed Malek, Johannes Klein, Fahd Baig, Claudio Ruffmann, Nin P Bajaj, Roger A Barker, Yoav Ben-Shlomo, David J Burn, Thomas Foltynie, Huw R Morris, Nigel Williams, Nicholas W Wood, Michele T M Hu, Donald G Grosset
BACKGROUND: Cardiovascular disease (CVD) influences phenotypic variation in Parkinson's disease (PD), and is usually an indication for statin therapy. It is less clear whether cardiovascular risk factors influence PD phenotype, and if statins are prescribed appropriately. OBJECTIVES: To quantify vascular risk and statin use in recent-onset PD, and examine the relationship between vascular risk, PD severity and phenotype. METHODS: Cardiovascular risk was quantified using the QRISK2 calculator (high ≥20%, medium ≥10 and <20%, low risk <10%)...
November 2016: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/27647473/in-vitro-6-hydroxydopamine-induced-toxicity-in-striatal-cerebrocortical-and-hippocampal-slices-is-attenuated-by-atorvastatin-and-mk-801
#16
Caio M Massari, Adalberto A Castro, Tharine Dal-Cim, Débora Lanznaster, Carla I Tasca
Parkinson's disease (PD) involves the loss of striatal dopaminergic neurons, although other neurotransmitters and brain areas are also involved in its pathophysiology. In rodent models to PD it has been shown statins improve cognitive and motor deficits and attenuate inflammatory responses evoked by PD-related toxins. Statins are the drugs most prescribed to hypercholesterolemia, but neuroprotective effects have also been attributed to statins treatment in humans and in animal models. This study aimed to establish an in vitro model of 6-hydroxydopamine (6-OHDA)-induced toxicity, used as an initial screening test to identify effective drugs against neural degeneration related to PD...
December 2016: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/27643295/lbos-01-04-the-true-incidence-of-statin-related-adverse-events-in-hypertensive-patients-revealed-by-comparison-of-blinded-and-un-blinded-use-of-statin-in-the-anglo-scandinavian-cardiac-outcomes-trial-ascot
#17
Peter Sever, Ajay Gupta, David Thompson, Andrew Whitehouse, Tim Collier, Bjorn Dahlof, Neil Poulter
OBJECTIVE: To test the hypothesis that adverse effects of statins are only reported in excess in observational studies and not in blinded randomized trials. DESIGN AND METHOD: We collated all reported AEs in hypertensive patients in the Lipid-Lowering arm of the Anglo-Scandinavian Cardiac Outcomes Trial (ASCOT-LLA) during the randomised, double-blind phase (when atorvastatin was compared with placebo) and the subsequent non-randomised un-blinded LLA-extension phase (when patients were offered open-label statin)...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27615667/adiposity-is-inversely-associated-with-hippocampal-volume-in-african-americans-and-european-americans-with-diabetes
#18
Fang-Chi Hsu, Mingxia Yuan, Donald W Bowden, Jianzhao Xu, S Carrie Smith, Lynne E Wagenknecht, Carl D Langefeld, Jasmin Divers, Thomas C Register, J Jeffrey Carr, Jeff D Williamson, Kaycee M Sink, Joseph A Maldjian, Barry I Freedman
AIMS: To assess associations between body mass index (BMI), waist circumference (WC), and computed tomography-determined volumes of pericardial, visceral, and subcutaneous adipose tissue with magnetic resonance imaging-(MRI) based cerebral structure and cognitive performance in individuals with type 2 diabetes (T2D). METHODS: This study was performed in 348 African Americans (AAs) and 256 European Americans (EAs) with T2D. Associations between adiposity measures with cerebral volumes of white matter (WMV), gray matter (GMV), white matter lesions, hippocampal GMV, and hippocampal WMV, cognitive performance and depression were examined using marginal models incorporating generalized estimating equations...
November 2016: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/27610945/statin-withdrawal-in-people-with-dementia
#19
Bernadette McGuinness, Chris R Cardwell, Peter Passmore
BACKGROUND: There are approximately 24 million people worldwide with dementia; this is likely to increase to 81 million by 2040. Dementia is a progressive condition, and usually leads to death eight to ten years after first symptoms. End-of-life care should emphasise treatments that optimise quality of life and physicians should minimise unnecessary or non-beneficial interventions. Statins are 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitors; they have become the cornerstone of pharmacotherapy for the management of hypercholesterolaemia but their ability to provide benefit is unclear in the last weeks or months of life...
September 9, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27473843/towards-onset-prevention-of-cognition-decline-in-adults-with-down-syndrome-the-top-cog-study-a-pilot-randomised-controlled-trial
#20
Sally-Ann Cooper, Temitope Ademola, Muriel Caslake, Elizabeth Douglas, Jonathan Evans, Nicola Greenlaw, Caroline Haig, Angela Hassiotis, Andrew Jahoda, Alex McConnachie, Jill Morrison, Howard Ring, John Starr, Ciara Stiles, Chammy Sirisena, Frank Sullivan
BACKGROUND: Dementia is very common in Down syndrome (trisomy 21) adults. Statins may slow brain amyloid β (Aβ, coded on chromosome 21) deposition and, therefore, delay Alzheimer disease onset. One prospective cohort study with Down syndrome adults found participants on statins had reduced risk of incident dementia, but there are no randomised controlled trials (RCTs) on this issue. Evidence is sparse on the best instruments to detect longitudinal cognitive decline in older Down syndrome adults...
2016: Trials
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