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Vascular dementia survival

Kenneth Maiese
As a result of the advancing age of the global population and the progressive increase in lifespan, neurodegenerative disorders continue to increase in incidence throughout the world. New strategies for neurodegenerative disorders involve the novel pathways of the mechanistic target of rapamycin (mTOR) and the silent mating-type information regulation 2 homolog 1 ( Saccharomyces cerevisiae ) (SIRT1) that can modulate pathways of apoptosis and autophagy. The pathways of mTOR and SIRT1 are closely integrated...
March 9, 2018: Biochemical Society Transactions
Yi Yang, Shihoko Kimura-Ohba, Jeffrey F Thompson, Victor M Salayandia, Melissa Cosse, Limor Raz, Fakhreya Y Jalal, Gary A Rosenberg
Vascular cognitive impairment is a major cause of dementia caused by chronic hypoxia, producing progressive damage to white matter (WM) secondary to blood-brain barrier (BBB) opening and vascular dysfunction. Tight junction proteins (TJPs), which maintain BBB integrity, are lost in acute ischemia. Although angiogenesis is critical for neurovascular remodeling, less is known about its role in chronic hypoxia. To study the impact of TJP degradation and angiogenesis during pathological progression of WM damage, we used the spontaneously hypertensive/stroke prone rats with unilateral carotid artery occlusion and Japanese permissive diet to model WM damage...
February 24, 2018: Neurobiology of Disease
Guntram Schernthaner, Marie Helene Schernthaner-Reiter
Owing to the worldwide increase in life expectancy, the high incidence of diabetes in older individuals and the improved survival of people with diabetes, about one-third of all individuals with diabetes are now older than 65 years. Evidence is accumulating that type 2 diabetes is associated with cognitive impairment, dementia and frailty. Older people with diabetes have significantly more comorbidities, such as myocardial infarction, stroke, peripheral arterial disease and renal impairment, compared with those without diabetes...
February 7, 2018: Diabetologia
Farhadul Islam, Vinod Gopalan, Alfred King-Yin Lam
FAM134B (family with sequence similarity 134, member B)/RETREG1 and its functional roles are relatively new in human diseases. This review aimed to summarize various functions of FAM134B since our first discovery of the gene in 2001. The protein encoded by FAM134B is a reticulophagy receptor that regulates turnover of the endoplasmic reticulum (ER) by selective phagocytosis. Absence or non-functional expression of FAM134B protein impairs ER-turnover and thereby is involved in the pathogenesis of some human diseases...
June 2018: Journal of Cellular Physiology
Marianne Ewertz, Lotte Holm Land, Susanne Oksbjerg Dalton, Deirdre Cronin-Fenton, Maj-Britt Jensen
BACKGROUND: While comorbidity indices are useful for describing trends in survival, information on specific comorbidities is needed for the clinician advising the individual breast cancer patient on her treatment. Here we present an analysis of overall survival, breast cancer-specific mortality, and effect of medical adjuvant treatment among breast cancer patients suffering from 12 major comorbidities compared with breast cancer patients without comorbidities. MATERIAL AND METHODS: The study population was identified from the Danish Breast Cancer Cooperative Group and included 59,673 women without prior cancer diagnosed with early-stage breast cancer in Denmark from 1990 to 2008 with an estimated median potential follow-up of 14 years and 10 months...
January 2018: Acta Oncologica
Keiko Takayama, Keisuke Hirayama, Akihiko Hirao, Keiko Kondo, Hideki Hayashi, Koichi Kadota, Hiroyuki Asaba, Hideki Ishizu, Kenji Nakata, Kairi Kurisu, Etsuko Oshima, Osamu Yokota, Norihito Yamada, Seishi Terada
BACKGROUND: It is widely supposed that there has been no evidence of increased survival in patients with advanced dementia receiving enteral tube feeding. However, more than a few studies have reported no harmful outcome from tube feeding in dementia patients compared to in patients without dementia. METHODS: This was a retrospective study. Nine psychiatric hospitals in Okayama Prefecture participated in this survey. All inpatients fulfilling the entry criteria were evaluated...
November 2017: Psychogeriatrics: the Official Journal of the Japanese Psychogeriatric Society
Shintaro Takenoshita, Keiko Kondo, Keiichi Okazaki, Akihiko Hirao, Keiko Takayama, Keisuke Hirayama, Hiroyuki Asaba, Kenji Nakata, Hideki Ishizu, Hiromi Takahashi, Hanae Nakashima-Yasuda, Yasue Sakurada, Kengo Fujikawa, Osamu Yokota, Norihito Yamada, Seishi Terada
BACKGROUND: It is widely supposed that there is no benefit, including extended survival and decreased rate of pneumonia, in patients with severe dementia receiving enteral tube feeding (TF). However, there have been few studies comparing the frequency of pneumonia before and after TF in severe dementia. METHODS: Nine psychiatric hospitals in Okayama Prefecture participated in this retrospective survey. All inpatients fulfilling the entry criteria were evaluated...
November 21, 2017: BMC Geriatrics
Stephanie Alison Ward, Elsdon Storey, Robyn L Woods, Garun S Hamilton, Ryo Kawasaki, Andrew L Janke, Matthew T Naughton, Fergal J O'Donoghue, Rory Wolfe, Tien Y Wong, Christopher M Reid, Walter P Abhayaratna, Nigel Stocks, Ruth Trevaks, Sharyn Fitzgerald, Lauren A B Hodgson, Liubov Robman, Barbara Workman, John J McNeil
PURPOSE: Sleep disordered breathing (SDB) is highly prevalent in older adults. Increasing evidence links SDB to the risk of dementia, mediated via a number of pathways, some of which may be attenuated by low-dose aspirin. This study will evaluate, in a healthy older cohort, the prospective relationship between SDB and cognitive function, changes in retinal and cerebral microvasculature, and determine whether low-dose aspirin ameliorates the effects of SDB on these outcomes over 3years...
October 30, 2017: Contemporary Clinical Trials
Mingkai Peng, Guanmin Chen, Karen L Tang, Hude Quan, Eric E Smith, Peter Faris, Vladimir Hachinski, Norm R C Campbell
BACKGROUND: Vascular dementia (VaD) is the second most common form of dementia. However, there were mixed evidences about the association between blood pressure (BP) and risk of VaD in midlife and late life and limited evidence on the association between pulse pressure and VaD. METHODS: This is a population-based observational study. 265,897 individuals with at least one BP measurement between the ages of 60 to 65 years and 211,116 individuals with at least one BP measurement between the ages of 70 to 75 years were extracted from The Health Improvement Network in United Kingdom...
October 27, 2017: BMC Geriatrics
Nuria Muñoz-Rivas, Manuel Méndez-Bailón, José M de Miguel-Yanes, Valentín Hernández-Barrera, Javier de Miguel-Díez, Rodrigo Jimenez-Garcia, Ana López-de-Andrés
OBJECTIVES: To examine trends overtime in the incidence and in-hospital outcomes of vascular dementia (VaD) hospitalisations in patients aged 70 years or over suffering and not suffering from type 2 diabetes mellitus (T2DM) between 2004 and 2013 in Spain. DESIGN: Retrospective study. SETTING: Spain. PARTICIPANTS: National hospital discharge data were used; patients aged ≥70, discharged from a hospital with VaD as a primary diagnosis, were selected...
August 4, 2017: BMJ Open
Fanny M Elahi, Bruce L Miller
The most definitive classification systems for dementia are based on the underlying pathology which, in turn, is categorized largely according to the observed accumulation of abnormal protein aggregates in neurons and glia. These aggregates perturb molecular processes, cellular functions and, ultimately, cell survival, with ensuing disruption of large-scale neural networks subserving cognitive, behavioural and sensorimotor functions. The functional domains affected and the evolution of deficits in these domains over time serve as footprints that the clinician can trace back with various levels of certainty to the underlying neuropathology...
August 2017: Nature Reviews. Neurology
Verónica R Cabrera-Pedraza, María de Jesús Gómez-Villalobos, Fidel de la Cruz, Patricia Aguilar-Alonso, Sergio Zamudio, Gonzalo Flores
It is well known that the survival is higher in women compared to men and women have a better survival prognosis than men in some pathologies such as vascular dementia (VD). Our previous reports showed that the spontaneously hypertensive (SH) rat, an animal model of VD, exhibited dendritic atrophy of pyramidal neurons of the dorsal hippocampus (DH) and the prefrontal cortex (PFC) at 8 months of age. Cerebrolysin (CBL), a neurotrophic peptide mixture, reduces dendritic atrophy and improves the memory process in aged rats...
July 6, 2017: Synapse
Juraj Secnik, Pavla Cermakova, Seyed-Mohammad Fereshtehnejad, Pontus Dannberg, Kristina Johnell, Johan Fastbom, Bengt Winblad, Maria Eriksdotter, Dorota Religa
OBJECTIVE: We aimed to investigate the differences in clinical characteristics and pharmacological treatment associated with the presence of diabetes in a large cohort of patients with dementia. RESEARCH DESIGN AND METHODS: A cross-sectional registry-based study was conducted using data from the Swedish Dementia Registry (SveDem). Data on dementia diagnosis, dementia type, and demographic determinants were extracted from SveDem. Data from the Swedish Patient Register and Prescribed Drug Register were combined for the diagnosis of diabetes...
September 2017: Diabetes Care
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
Tomoyuki Ohara, Jun Hata, Daigo Yoshida, Naoko Mukai, Masaharu Nagata, Toru Iwaki, Takanari Kitazono, Shigenobu Kanba, Yutaka Kiyohara, Toshiharu Ninomiya
OBJECTIVE: To investigate secular trends in the prevalence, incidence, and survival rate of dementia in a Japanese elderly population in a comprehensive manner. METHODS: Five cross-sectional surveys of dementia were conducted among residents of a Japanese community, aged ≥65 years, in 1985, 1992, 1998, 2005, and 2012. We also established 2 cohorts consisting of the residents of this age group without dementia in 1988 (n = 803) and 2002 (n = 1,231), and each was followed for 10 years...
May 16, 2017: Neurology
Margareta Hinterberger, Peter Fischer, Klaus Huber, Walter Krugluger, Sonja Zehetmayer
Association of telomere shortening with overall dementia or Alzheimer's disease is described controversially and the pathophysiologic relevance is unclear. Whether patients, suffering from pure probable Alzheimer's disease or pure vascular dementia, have shorter leukocyte telomeres than cognitively healthy controls was determined. Leukocyte telomere lengths (LTLs) of 597 participants of the VITA study (longitudinal community-based age-cohort [mean 75.7 (±0.45) years] study: 243 male; 578 non-demented at baseline) were compared with different aspects of cognition, risk factors of dementia and survival...
July 2017: Journal of Neural Transmission
Sabrina Schilling, Christophe Tzourio, Aïcha Soumaré, Sara Kaffashian, Jean-François Dartigues, Marie-Laure Ancelin, Cécilia Samieri, Carole Dufouil, Stéphanie Debette
BACKGROUND: Vascular risk factors have been proposed as important targets for the prevention of dementia. As lipid fractions represent easily modifiable targets, we examined the longitudinal relationship of baseline lipid fractions with 13-y incident dementia and its subtypes (Alzheimer disease [AD] and mixed or vascular dementia) in older community-dwelling persons. METHODS AND FINDINGS: Non-institutionalized persons aged 65+ y (n = 9,294) were recruited for the Three-City Study (3C Study), a population-based cohort study from the electoral rolls of the cities of Dijon, Bordeaux, and Montpellier, France, between March 1999 and March 2001...
March 2017: PLoS Medicine
Simon R Cox, Stuart J Ritchie, David Alexander Dickie, Alison Pattie, Natalie A Royle, Janie Corley, Benjamin S Aribisala, Sarah E Harris, Maria Valdés Hernández, Alan J Gow, Susana Muñoz Maniega, John M Starr, Mark E Bastin, Joanna M Wardlaw, Ian J Deary
We examined whether apolipoprotein E (APOE) status interacts with vascular risk factors (VRFs) to predict the progression of white matter hyperintensities (WMHs) on brain MRI scans over a specific period of life in older age when the risk of dementia increases. At age 73 years, baseline VRFs were assessed via self-reported history of diabetes, hypertension, smoking, and hypercholesterolemia, and via objective measures of blood HbA1c, body mass index, diastolic and systolic blood pressure, and blood high-density lipoprotein to total cholesterol (HDL) ratio...
June 2017: Neurobiology of Aging
Julieta E Arena, Robert D Brown, Jay Mandrekar, Alejandro A Rabinstein
OBJECTIVE: To study the long-term risk of cerebrovascular events, seizures, and cognitive impairment in patients with transient global amnesia (TGA). PATIENTS AND METHODS: Data for all patients diagnosed with possible TGA in Olmsted County, Minnesota, between January 1, 1985, through December 31, 2010, were retrieved from the Rochester Epidemiology Project database. Transient global amnesia was defined clinically. End points were cerebrovascular event (stroke or transient ischemic attack), seizure, or cognitive impairment (mild cognitive impairment or dementia) during follow-up...
March 2017: Mayo Clinic Proceedings
Kirsi Rantanen, Arto Y Strandberg, Veikko Salomaa, Kaisu Pitkälä, Reijo S Tilvis, Pentti Tienari, Timo Strandberg
PURPOSE: The purpose of this study is to compare midlife predictors of old age dementia with or without concomitant atherosclerotic cardiovascular disease (ASCVD). DESIGN: In the Helsinki Businessmen Study (men born in 1919-1934, n = 3309), death certificates (n = 1885) during up to 49-year follow-up (through 31 December 2013) were screened for dementia (n = 365) and ASCVD, and categorized as (1) AD without ASCVD ("pure" AD, n = 93), (2) AD + ASCVD (n = 126), (3) vascular dementia (VD, n = 82), (4) other or undefined etiology (n = 64)...
February 26, 2017: Annals of Medicine
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