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Alzheimers and hypertension

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https://www.readbyqxmd.com/read/28731439/antihypertensive-treatment-is-associated-with-mri-derived-markers-of-neurodegeneration-and-impaired-cognition-a-propensity-weighted-cohort-study
#1
Jodi D Edwards, Joel Ramirez, Brandy L Callahan, Sheldon W Tobe, Paul Oh, Courtney Berezuk, Krista Lanctôt, Walter Swardfager, Sean Nestor, Alexander Kiss, Stephen Strother, Sandra E Black
BACKGROUND: Hypertension is an important risk factor for Alzheimer's disease (AD) and cerebral small vessel disease. Angiotensin converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) are common anti-hypertensive treatments, but have differential effects on cortical amyloid. OBJECTIVE: The objective of this study was to evaluate associations between anti-hypertensive treatment, brain volume, and cognition, using a propensity-weighted analysis to account for confounding by indication...
July 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28730936/an-industry-update-what-is-the-latest-news-in-therapeutic-delivery
#2
Iain Simpson
This Industry Update covers the period from 1 through 30 April 2017, and is based on information sourced from company press releases, scientific literature, patents and various news websites. Biogen expanded its portfolio of developmental drugs targeting neurological diseases by licensing a drug from Bristol-Myers Squibb which is currently under investigation for the treatment of progressive supranuclear palsy. Takeda announced a deal with NuBiyota focused on developing treatments for gastrointestinal disorders, based on the manipulation of microbes living in the gut...
July 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/28722749/rho-associated-protein-kinases-as-therapeutic-targets-for-both-vascular-and-parenchymal-pathologies-in-alzheimer-s-disease
#3
REVIEW
Aaron Y Lai, JoAnne McLaurin
The causes of late-onset Alzheimer's disease are unclear and likely multifactorial. Rho-associated protein kinases (ROCKs) are ubiquitously expressed signaling messengers that mediate a wide array of cellular processes. Interestingly, they play an important role in several vascular and brain pathologies implicated in Alzheimer's etiology, including hypertension, hypercholesterolemia, blood-brain barrier disruption, oxidative stress, deposition of vascular and parenchymal amyloid-beta peptides, tau hyperphosphorylation, and cognitive decline...
July 19, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28699112/brain-under-stress-and-alzheimer-s-disease
#4
REVIEW
Boris Mravec, Lubica Horvathova, Alexandra Padova
Modern society is characterized by the ubiquity of stressors that affect every individual to different extents. Furthermore, experimental, clinical, and epidemiological data have shown that chronic activation of the stress response may participate in the development of various somatic as well as neuropsychiatric diseases. Surprisingly, the role that stress plays in the etiopathogenesis of Alzheimer's disease (AD) has not yet been studied in detail and is therefore not well understood. However, accumulated data have shown that neuroendocrine and behavioral changes accompanying the stress response affect neuronal homeostasis and compromise several key neuronal processes...
July 11, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28697569/relationships-of-dietary-patterns-foods-and-micro-and-macronutrients-with-alzheimer-s-disease-and-late-life-cognitive-disorders-a-systematic-review
#5
Vincenzo Solfrizzi, Carlo Custodero, Madia Lozupone, Bruno P Imbimbo, Vincenzo Valiani, Pasquale Agosti, Andrea Schilardi, Alessia D'Introno, Maddalena La Montagna, Mariapaola Calvani, Vito Guerra, Rodolfo Sardone, Daniela I Abbrescia, Antonello Bellomo, Antonio Greco, Antonio Daniele, Davide Seripa, Giancarlo Logroscino, Carlo Sabbá, Francesco Panza
In the last decade, the association between diet and cognitive function or dementia has been largely investigated. In the present article, we systematically reviewed observational studies published in the last three years (2014-2016) on the relationship among dietary factors and late-life cognitive disorders at different levels of investigation (i.e., dietary patterns, foods and food-groups, and dietary micro- and macronutrients), and possible underlying mechanisms of the proposed associations. From the reviewed evidence, the National Institute on Aging-Alzheimer's Association guidelines for Alzheimer's disease (AD) and cognitive decline due to AD pathology introduced some evidence suggesting a direct relation between diet and changes in the brain structure and activity...
July 5, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28673571/high-altitude-and-pre-eclampsia-adaptation-or-protection
#6
Sarah I Y Ahmed, Muntaser E Ibrahim, Eltahir A G Khalil
Adaptive genes of high altitude can also be protective in diseases like preeclampsia, hypertension, and diabetes mellitus, Alzheimer, Parkinson Disease and Cancer, which may result from deregulation of hypoxia pathway. The example of pre-eclampsia and normal pregnancy were studied to see if the hypoxia-induced disorders can be dragged towards adaptation. Here, we analyse the genetic variants that are known to be associated with adaptation to high altitude hypoxia. Our results demonstrated that the genetic variants of EPAS1, ADAM9, and EGLN1 increased approximately three-fold in the cases of preeclampsia compared to normal pregnancy...
July 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28671130/association-of-radon-background-and-total-background-ionizing-radiation-with-alzheimer-s-disease-deaths-in-u-s-states
#7
Steven Lehrer, Peter H Rheinstein, Kenneth E Rosenzweig
BACKGROUND: Exposure of the brain to ionizing radiation might promote the development of Alzheimer's disease (AD). OBJECTIVE: Analysis of AD death rates versus radon background radiation and total background radiation in U.S. states. METHODS: Total background, radon background, cosmic and terrestrial background radiation measurements are from Assessment of Variations in Radiation Exposure in the United States and Report No. 160 - Ionizing Radiation Exposure of the Population of the United States...
June 22, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28664509/hypertension-induced-synapse-loss-and-impairment-in-synaptic-plasticity-in-the-mouse-hippocampus-mimics-the-aging-phenotype-implications-for-the-pathogenesis-of-vascular-cognitive-impairment
#8
Zsuzsanna Tucsek, M Noa Valcarcel-Ares, Stefano Tarantini, Andriy Yabluchanskiy, Gábor Fülöp, Tripti Gautam, Albert Orock, Anna Csiszar, Ferenc Deak, Zoltan Ungvari
Strong epidemiological and experimental evidence indicates that hypertension has detrimental effects on the cerebral microcirculation and thereby promotes accelerated brain aging. Hypertension is an independent risk factor for both vascular cognitive impairment (VCI) and Alzheimer's disease (AD). However, the pathophysiological link between hypertension-induced cerebromicrovascular injury (e.g., blood-brain barrier disruption, increased microvascular oxidative stress, and inflammation) and cognitive decline remains elusive...
June 29, 2017: GeroScience
https://www.readbyqxmd.com/read/28640657/retinal-findings-on-oct-in-systemic-conditions
#9
Preeti Patil Chhablani, Vikas Ambiya, Akshay G Nair, Sailaja Bondalapati, Jay Chhablani
PURPOSE: Imaging technology has advanced by leaps and bounds in the recent past and has resulted in a much greater understanding of ocular diseases. The aim of this review article is to summarize optical coherence tomography (OCT) findings of various systemic conditions. METHOD: A systematic literature search of the Medline/PubMed database was performed. English articles up to April 2015 were included. Terms used for search included: Alzheimer's Disease; Multiple Sclerosis; Parkinson's Disease; Behçet's Disease; Schizophrenia; Migraine; Obstructive Sleep Apnea Syndrome; Neurofibromatosis; Sickle Cell Disease; Renal diseases; Lupus Retinopathy; Valsalva Retinopathy; Whiplash Retinopathy; Shaken-Baby Syndrome; Choroidal metastases; Intracranial Hypertension; Drug toxicity; Deferoxamine; Sildenafil; Tamoxifen; Hydroxychloroquine; Chloroquine; Ethambutol; Lead; Sickle Cell Disease; and Thalassemia along with OCT...
June 22, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/28614836/visual-evaluation-of-medial-temporal-lobe-atrophy-as-a-clinical-marker-of-conversion-from-mild-cognitive-impairment-to-dementia-and-for-predicting-progression-in-patients-with-mild-cognitive-impairment-and-mild-alzheimer-s-disease
#10
Karin Persson, Maria Lage Barca, Rannveig Sakshaug Eldholm, Lena Cavallin, Jūratė Šaltytė Benth, Geir Selbæk, Anne Brækhus, Ingvild Saltvedt, Knut Engedal
BACKGROUND/AIMS: To evaluate whether visual assessment of medial temporal lobe atrophy (vaMTA) can predict 2-year conversion from mild cognitive impairment (MCI) to dementia and progression of MCI and Alzheimer's disease dementia as measured by the Clinical Dementia Rating Scale Sum of Boxes score (CDR-SB). METHODS: vaMTA was performed in 94 patients with MCI according to the Winblad criteria and in 124 patients with AD according to ICD-10 and NINCDS-ADRDA criteria...
June 15, 2017: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/28598842/visit-to-visit-blood-pressure-variability-and%C3%A2-alzheimer-s-disease-links-and-risks
#11
Michiaki Nagai, Keigo Dote, Masaya Kato, Shota Sasaki, Noboru Oda, Eisuke Kagawa, Yoshinori Nakano, Aya Yamane, Tasuku Higashihara, Shunsuke Miyauchi, Akane Tsuchiya
While hypertension has been shown to be a risk factor for vascular dementia, several studies have also demonstrated that hypertension also increases the risk of Alzheimer's disease (AD). Although the relationship between visit-to-visit blood pressure variability (VVV) and cognitive impairment, including AD, have been provided, the mechanisms remain poorly understood. This review paper focuses on the relationship of VVV with AD and summarizes the pathophysiology underlying that relationship, which appears to be mediated by arterial stiffness...
June 7, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28594244/acute-cholinergic-syndrome-in-a-patient-with-mild-alzheimer-s-type-dementia-who-had-applied-a-large-number-of-rivastigmine-transdermal-patches-on-her-body
#12
Yoshiki Suzuki, Yoshito Kamijo, Tomohiro Yoshizawa, Yuji Fujita, Kiyotaka Usui, Tohru Kishino
CASE PRESENTATION: A 91-year-old woman was transferred to our Emergency Medical Center and Poison Center with somnolence, hypertension (186/61 mm Hg), and repeated vomiting. Three hours later, 10 transdermal patches, each containing 18 mg of rivastigmine (9.5 mg/24 h), were found on her lower back and both thighs, when miosis, facial and trunk sweating, enhanced bowel sound, hypertension, and sinus tachycardia were noted. She was diagnosed with acute cholinergic syndrome due to rivastigmine poisoning...
June 8, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28589702/choto-san-versus-placebo-for-patients-with-dementia-systematic-review-and-meta-analysis
#13
Hissei Imai, Nozomi Takeshima, Haruhiko Oda, Peiyao Chen, Etsuko Sawada, Toshiaki A Furukawa
BACKGROUND: Choto-san is a traditional medicine used for hypertension and headaches in Japan and China. Some studies have shown its effectiveness in the treatment of dementia. The present review aimed to assess the effectiveness and acceptability of Choto-san in the treatment of adults with cognitive impairment. METHODS: We included randomized controlled trials comparing Choto-san with placebo for patients with dementia or mild cognitive impairment. RESULTS: Three randomized controlled trials evaluating 219 participants were included...
June 6, 2017: Psychogeriatrics: the Official Journal of the Japanese Psychogeriatric Society
https://www.readbyqxmd.com/read/28587973/role-of-centrally-active-cardiovascular-agents-in-cognitive-disorders
#14
REVIEW
Robert J Theobald
Cardiovascular drugs are used to treat patients with cardiac function and hemodynamic problems. Because of the relationship between the cardiovascular (CVS), and central nervous (CNS) systems, alteration of CVS activity can potentially alter CNS function. Of particular concern is regulation of lipids, because of the link between neural functionality, lipids, and cognitive disorders, and perfusion, because of the link between hypo-perfusion and vascular dementia. Positive and negative evidence of the effect of CVS drugs in cognitive disorders is available...
April 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/28582855/diabetes-and-alzheimer-s-disease-can-tea-phytochemicals-play-a-role-in-prevention
#15
Warnakulasuriya M A D B Fernando, Geeshani Somaratne, Kathryn G Goozee, Shehan Williams, Harjinder Singh, Ralph N Martins
Dementia and diabetes mellitus are prevalent disorders in the elderly population. While recognized as two distinct diseases, diabetes has more recently recognized as a significant contributor to risk for developing dementia, and some studies make reference to type 3 diabetes, a condition resulting from insulin resistance in the brain. Alzheimer's disease, the most common form of dementia, and diabetes, interestingly, share underlying pathological processes, commonality in risk factors, and, importantly, pathways for intervention...
May 30, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28569205/association-between-blood-pressure-and-alzheimer-disease-measured-up-to-27%C3%A2-years-prior-to-diagnosis-the-hunt-study
#16
Jessica Mira Gabin, Kristian Tambs, Ingvild Saltvedt, Erik Sund, Jostein Holmen
BACKGROUND: A lot of attention has been paid to the relationship of blood pressure and dementia because epidemiological research has reported conflicting evidence. Observational data has shown that midlife hypertension is a risk factor for cognitive decline and dementia later in life, whereas there is evidence that low blood pressure is predictive in later life. The aim of the present study was to examine the association between dementia and blood pressure measured up to 27 years (mean 17...
May 31, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28567135/specific-effects-of-anti-hypertensive-treatment-in-an-older-patient-with-dementia
#17
Jadwiga Attier Zmudka, Jean Marie Sérot, Salif Dao, Claire Sorel, Anne-Sophie Macaret, Olivier Balédent
Dementia is one of the most common health problems in the world. Alzheimer's disease (AD) is the most common form of dementia. The presence of vascular risk factors such as hypertension (HT) may increase the risk of AD [1,2]. The relation between blood pressure (BP) and dementia has been the subject of numerous epidemiological studies, midlife HT is a risk factor for dementia and AD [3-7] but the association between HT and risk of dementia is lower in the older population [8]. A fair modulation of an antihypertensive treatment, based on the cognitive status of the elderly, can avoid multiple complications...
2017: Open Neurology Journal
https://www.readbyqxmd.com/read/28560150/amyloid-positron-emission-tomography-in-sporadic-cerebral-amyloid-angiopathy-a-systematic-critical-update
#18
REVIEW
Karim Farid, Andreas Charidimou, Jean-Claude Baron
Sporadic cerebral amyloid angiopathy (CAA) is a very common small vessel disease of the brain, showing preferential and progressive amyloid-βdeposition in the wall of small arterioles and capillaries of the leptomeninges and cerebral cortex. CAA now encompasses not only a specific cerebrovascular pathological trait, but also different clinical syndromes - including spontaneous lobar intracerebral haemorrhage (ICH), dementia and 'amyloid spells' - an expanding spectrum of brain parenchymal MRI lesions and a set of diagnostic criteria - the Boston criteria, which have resulted in increasingly detecting CAA during life...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28550245/amyloid-burden-in-obstructive-sleep%C3%A2-apnea
#19
Chang-Ho Yun, Ho-Young Lee, Seung Ku Lee, Hyun Kim, Hyung Suk Seo, Seong Ae Bang, Sang Eun Kim, Douglas N Greve, Rhoda Au, Chol Shin, Robert J Thomas
To test the hypothesis that excessive amyloid deposition is a biological link between obstructive sleep apnea (OSA) and Alzheimer's disease, we determined whether OSA increases cerebral amyloid burden, relative to controls, using Pittsburgh Compound B (PiB) PET imaging. The subjects were adult participants (age 50-65 years) from the Korean Genome and Epidemiology Study. Polysomnography, brain MRI including 3D images, and a detailed neuro-cognitive function test battery were done in 2011-2012. Nineteen OSA subjects (Apnea-Hypopnea Index [AHI] ≥15/h, 21...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28532183/treatment-options-and-considerations-for-hypertensive-patients-to-prevent-dementia
#20
Intza Hernandorena, Emmanuelle Duron, Jean-Sébastien Vidal, Olivier Hanon
Dementia is a worldwide health concern, which leads to loss of autonomy. To date no curative treatment is available so focus on modifiable risk factors is of particular interest. Hypertension, particularly midlife high blood pressure, has been associated with an increased risk for cognitive decline and dementia including vascular dementia (VAD) and Alzheimer disease (AD). In this context, antihypertensive treatments might have a preventive effect. The objective of this review was to examine the relationship between antihypertensive therapy and cognitive decline or dementia...
July 2017: Expert Opinion on Pharmacotherapy
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