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Cognitive and stroke

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https://www.readbyqxmd.com/read/29145410/the-influence-of-computer-based-cognitive-flexibility-training-on-subjective-cognitive-well-being-after-stroke-a-multi-center-randomized-controlled-trial
#1
Renate M van de Ven, Jaap M J Murre, Jessika I V Buitenweg, Dick J Veltman, Justine A Aaronson, Tanja C W Nijboer, Suzanne J C Kruiper-Doesborgh, Coen A M van Bennekom, K Richard Ridderinkhof, Ben Schmand
BACKGROUND: Stroke can result in cognitive complaints that can have a large impact on quality of life long after its occurrence. A number of computer-based training programs have been developed with the aim to improve cognitive functioning. Most studies investigating their efficacy used only objective outcome measures, whereas a reduction of subjective cognitive complaints may be equally important for improving quality of life. A few studies used subjective outcome measures but were inconclusive, partly due to methodological shortcomings such as lack of proper active and passive control groups...
2017: PloS One
https://www.readbyqxmd.com/read/29145207/determinants-prevalence-and-trajectory-of-long-term-post-stroke-cognitive-impairment-results-from-a-4-year-follow-up-of-the-auckland-stroke-regional-outcomes-study-iv-study
#2
Susan Mahon, Priya Parmar, Suzanne Barker-Collo, Rita Krishnamurthi, Kelly Jones, Alice Theadom, Valery Feigin
BACKGROUND: The long-term (>12 months) prevalence, predictors, and trajectory of post-stroke cognitive deficits are not well established, especially at a community level. This study investigated the longitudinal course and prevalence of cognitive impairment in an incidence cohort, identifying factors associated with declining cognition. METHODS: Two hundred fifty-seven participants (mean age = 67.93 ± 13.59) of first-ever stroke survivors, completed cognitive assessments within 2 weeks post stroke, and/or 1, 6, 12, and 48-month...
November 16, 2017: Neuroepidemiology
https://www.readbyqxmd.com/read/29143463/advances-in-chronic-cerebral-circulation-insufficiency
#3
REVIEW
Da Zhou, Ran Meng, Si-Jie Li, Jing-Yuan Ya, Jia-Yue Ding, Shu-Ling Shang, Yu-Chuan Ding, Xun-Ming Ji
Chronic cerebral circulation insufficiency (CCCI) may not be an independent disease; rather, it is a pervasive state of long-term cerebral blood flow insufficiency caused by a variety of etiologies, and considered to be associated with either occurrence or recurrence of ischemic stroke, vascular cognitive impairment, and development of vascular dementia, resulting in disability and mortality worldwide. This review summarizes the features and recent progress of CCCI, mainly focusing on epidemiology, experimental research, pathophysiology, etiology, clinical manifestations, imaging presentation, diagnosis, and potential therapeutic regimens...
November 15, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29140557/withdrawn-pharmacological-cardioversion-for-atrial-fibrillation-and-flutter
#4
REVIEW
John Cordina, Gillian E Mead
BACKGROUND: Atrial fibrillation is the commonest cardiac dysrhythmia. It is associated with significant morbidity and mortality. There are two approaches to the management of atrial fibrillation: controlling the ventricular rate or converting to sinus rhythm in the expectation that this would abolish its adverse effects. OBJECTIVES: To assess the effects of pharmacological cardioversion of atrial fibrillation in adults on the annual risk of stroke, peripheral embolism, and mortality...
November 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29140555/withdrawn-electrical-cardioversion-for-atrial-fibrillation-and-flutter
#5
REVIEW
Gillian E Mead, Andrew Elder, Andrew D Flapan, John Cordina
BACKGROUND: Atrial fibrillation increases stroke risk and adversely affects cardiovascular haemodynamics. Electrical cardioversion may, by restoring sinus rhythm, improve cardiovascular haemodynamics, reduce the risk of stroke, and obviate the need for long-term anticoagulation. OBJECTIVES: To assess the effects of electrical cardioversion of atrial fibrillation or flutter on the risk of thromboembolic events, strokes and mortality (primary outcomes), the rate of cognitive decline, quality of life, the use of anticoagulants and the risk of re-hospitalisation (secondary outcomes) in adults (>18 years)...
November 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29138873/effects-of-cognitive-load-on-the-amount-and-temporal-structure-of-postural-sway-variability-in-stroke-survivors
#6
Hajar Mehdizadeh, Kinda Khalaf, Hamed Ghomashchi, Ghorban Taghizadeh, Ismaeil Ebrahimi, Parvaneh Taghavi Azar Sharabiani, Seyed Javad Mousavi, Mohamad Parnianpour
This study aimed to investigate the variability in postural sway patterns during quiet standing in stroke survivors. The postural sway was measured in 19 stroke survivors, as well as 19 healthy demographically matched participants, at 3 levels of postural difficulty (rigid surface with closed and open eyes, and foam surface with closed eyes), and 3 levels of cognitive difficulty (without a cognitive task, easy and difficult cognitive tasks). Both linear analyses (the amount of postural sway variability, including the standard deviation of the COP velocity in both the anteroposterior (AP) and mediolateral (ML) directions), as well as non-linear analyses [the temporal structure of the COP variability, including % Recurrence, % Determinism, Shannon Entropy, Trend and the maximum diagonal line (D max)] were employed...
November 14, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29137615/advance-directives-proxy-opinions-and-treatment-restrictions-in-patients-with-severe-stroke
#7
Floor A S de Kort, Marjolein Geurts, Paul L M de Kort, Julia H van Tuijl, Ghislaine J M W van Thiel, L Jaap Kappelle, H Bart van der Worp
BACKGROUND: Patients with severe stroke often do not have the capacity to participate in discussions on treatment restrictions because of a reduced level of consciousness, aphasia, or another cognitive disorder. We assessed the role of advance directives and proxy opinions in the decision-making process of incapacitated patients. METHODS: Sixty patients with severe functional dependence (Barthel Index ≤6) at day four after ischemic stroke or intracerebral hemorrhage were included in a prospective two-center cohort study...
November 14, 2017: BMC Palliative Care
https://www.readbyqxmd.com/read/29131814/effects-of-an-exercise-protocol-for-improving-handgrip-strength-and-walking-speed-on-cognitive-function-in-patients-with-chronic-stroke
#8
Jaeeun Kim, Jongeun Yim
BACKGROUND Handgrip strength and walking speed predict and influence cognitive function. We aimed to investigate an exercise protocol for improving handgrip strength and walking speed, applied to patients with chronic stroke who had cognitive function disorder. MATERIAL AND METHODS Twenty-nine patients with cognitive function disorder participated in this study, and were randomly divided into one of two groups: exercise group (n=14) and control group (n=15). Both groups underwent conventional physical therapy for 60 minutes per day...
November 13, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29131369/photobiomodulation-for-traumatic-brain-injury-and-stroke
#9
REVIEW
Michael R Hamblin
There is a notable lack of therapeutic alternatives for what is fast becoming a global epidemic of traumatic brain injury (TBI). Photobiomodulation (PBM) employs red or near-infrared (NIR) light (600-1100nm) to stimulate healing, protect tissue from dying, increase mitochondrial function, improve blood flow, and tissue oxygenation. PBM can also act to reduce swelling, increase antioxidants, decrease inflammation, protect against apoptosis, and modulate microglial activation state. All these mechanisms of action strongly suggest that PBM delivered to the head should be beneficial in cases of both acute and chronic TBI...
November 13, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/29127758/-physical-activity-the-holy-grail-of-modern-medicine
#10
Vladimír Tuka, Martina Daňková, Karel Riegel, Martin Matoulek
Movement is the basic attribute of life. It is not surprising that the return to regular physical activity is a very effective and cheap means of preventing and treating most non-cummunicable diseases. Therefore, every physician should be able to prescribe a suitable physical activity. The minimum amount of physical activity with proven effects in primary prevention of chronic diseases is relatively low: 150 minutes of moderate physical activity or 75 minutes of high intensity exercise per week or a combination of the two...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29127079/effect-of-acupuncture-and-chinese-herbal-medicine-on-subacute-stroke-outcomes-a-single-centre-randomised-controlled-trial
#11
Jianqiao Fang, Crystal Lynn Keeler, Lifang Chen, Ruijie Ma, Chao Wang, Shouyu Xu
OBJECTIVE: To determine whether integrative medicine, combining acupuncture and Chinese herbal medicine with conventional rehabilitation during subacute stroke, is an effective comprehensive rehabilitation strategy for daily life activities, neurological deficits, motor dysfunction, cognitive impairment and depression. DESIGN: Randomised controlled trial: patients were randomly assigned to a conventional rehabilitation (CR) group or an integrative medicine rehabilitation (IMR) group with CR plus acupuncture and Chinese herbal medicine...
November 10, 2017: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/29126762/association-between-abnormal-nocturnal-blood-pressure-profile-and-dementia-in-parkinson-s-disease
#12
Ryota Tanaka, Yasushi Shimo, Kazuo Yamashiro, Takashi Ogawa, Kenya Nishioka, Genko Oyama, Atsushi Umemura, Nobutaka Hattori
BACKGROUND: Circadian blood pressure alterations are frequently observed in Parkinson's disease, but the association between these changes and dementia in the condition remains unclear. Here, we assess the relationship between abnormal nocturnal blood pressure profiles and dementia in Parkinson's disease. METHODS: We enrolled 137 patients with Parkinson's disease, who underwent 24 h ambulatory blood pressure monitoring, following cognitive and clinical assessment...
October 20, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29126201/using-mahalanobis-distance-to-evaluate-recovery-in-acute-stroke
#13
Hannah Tehan, Kate Witteveen, G Anne Tolan, Gerald Tehan, Graeme J Senior
Objective: In the weeks immediately following a stroke, impairments across multiple cognitive domains are pervasive yet there is little literature that explores cognitive recovery during this period. This paper evaluates the use of Mahalanobis distance as a means of statistically evaluating cognitive change at the individual level. Method: A small battery of standardized neuropsychological tests was administered on five or six occasions across a 2-week period to the participants recovering from a stroke and a non-stroke control group...
November 8, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/29125269/direct-oral-anticoagulants-use-in-elderly-patients-with-non-valvular-atrial-fibrillation-state-of-evidence
#14
Giulia Benedetti, Matteo Neccia, Luciano Agati
Non-valvular atrial fibrillation (NVAF) increases the risk of stroke by three- to five-fold, especially in elderly patients, creating a huge burden on medical system as well as a negative impact on patients lives. Balancing efficacy and bleeding risk is a challenge when considering anticoagulation therapy in elderly patients, because of their frequent high risk of both stroke and bleeding. Real world data reveal the underuse of anticoagulation in the elderly, especially due to physicians' fear of bleeding, often neglecting the thromboembolic risk...
November 10, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/29123562/the-role-of-occupational-and-physiotherapy-in-multi-modal-approach-to-tackling-delirium-in-the-intensive-care
#15
REVIEW
Jenny Rains, Nigel Chee
The presence of delirium within critical care remains a long-standing challenge for patients and clinicians alike. A myriad of pre-disposing and precipitating factors lead to this patient cohort being high risk for developing delirium during their critical care stay. Until now, non-pharmacological management of these patients usually encompasses a 'bundle' of principles to reduce delirium days. These bundles have limited focus on the entire multi-disciplinary team (including occupational therapists and physiotherapists) who could assist with the reduction of delirium...
November 2017: J Intensive Care Soc
https://www.readbyqxmd.com/read/29123384/functional-outcomes-by-age-after-inpatient-stroke-rehabilitation-in-saudi-arabia
#16
Saad M Bindawas, Vishal Vennu, Hussam Mawajdeh, Hisham Alhaidary
Background: Among various risk factors, age has been identified as a nonmodifiable risk factor for stroke that influences functional outcomes after inpatient stroke rehabilitation in the developed world as well as in Saudi Arabia (SA). The demand for inpatient stroke rehabilitation services increases with population aging and stroke incidence; however, these services are limited in SA. Objective: To examine functional outcomes by age after inpatient stroke rehabilitation in SA...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/29122723/the-neuronal-network-involved-in-self-attribution-of-an-artificial-hand-a-lesion-network-symptom-mapping-study
#17
Max Wawrzyniak, Julian Klingbeil, Daniel Zeller, Dorothee Saur, Joseph Classen
The feeling of body-ownership can be experimentally manipulated using the rubber hand illusion (RHI) paradigm. Participants experience a sense of ownership over an artificial hand when their hidden real hand and the visible artificial hand are synchronously stroked. Using lesion masks and behavioral data from a previous study on RHI failure in acute stroke patients, we here employed lesion network-symptom-mapping (LNSM) based on normative functional connectome data to identify lesion-dependent network connectivity related to the experience of self-attribution of an artificial hand in the RHI paradigm...
November 6, 2017: NeuroImage
https://www.readbyqxmd.com/read/29121965/chronic-cerebral-hypoperfusion-induces-post-stroke-dementia-following-acute-ischemic-stroke-in-rats
#18
Dong Bin Back, Kyoung Ja Kwon, Dong-Hee Choi, Chan Young Shin, Jongmin Lee, Seol-Heui Han, Hahn Young Kim
BACKGROUND: Post-stroke dementia (PSD) is one of the major consequences after stroke. Chronic cerebral hypoperfusion (CCH) can induce vascular cognitive impairment and potentiate amyloid pathology. We investigated how CCH contributes to the development of PSD after stroke in the context of neuroinflammation and amyloid pathology. METHODS: We designed a unique animal model for PSD. We performed middle cerebral artery occlusion (MCAO) surgery in rats mimicking acute territorial infarct, which was followed by bilateral common carotid artery occlusion (BCCAo) surgery mimicking CCH...
November 9, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29121222/neurological-effects-of-proprotein-convertase-subtilisin-kexin-type-9-inhibitors-direct-comparisons
#19
Navkaranbir S Bajaj, Nirav Patel, Rajat Kalra, Amier Ahmad, Anand Venkatraman, Garima Arora, Pankaj Arora
Aims: Proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors considerably alter the lipid profile. We sought to examine rates of ischemic stroke, and neurocognitive deficits in patients treated with and without PCSK9 inhibitors. Methods and Results: Randomized controlled trials (RCTs) reporting rates of ischemic stroke, and neurocognitive deficits in patients using PCSK9 inhibitors were identified. Standard meta-analysis techniques were used to compare these outcomes among patients treated with and without PCSK9 inhibitors, and the two U...
October 6, 2017: European Heart Journal. Quality of Care & Clinical Outcomes
https://www.readbyqxmd.com/read/29120920/the-growing-clinical-spectrum-of-cerebral-amyloid-angiopathy
#20
Marieke J H Wermer, Steven M Greenberg
PURPOSE OF REVIEW: Cerebral amyloid angiopathy (CAA) is diagnosed primarily as a cause of lobar intracerebral hemorrhages (ICH) in elderly patients. With improving MRI techniques, however, the role of CAA in causing other symptoms has become clear. Recognizing the full clinical spectrum of CAA is important for diagnosis and treatment. In this review we summarize recent insights in clinical CAA features, MRI biomarkers, and management. RECENT FINDINGS: The rate of ICH recurrence in CAA is among the highest of all stroke subtypes...
November 7, 2017: Current Opinion in Neurology
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