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https://www.readbyqxmd.com/read/29345733/putative-mechanisms-of-cognitive-decline-with-implications-for-clinical-research-and-practice
#1
Tadeu Oliveira, Angela Starkweather, Divya Ramesh, Joseph Fetta, Debra Lynch Kelly, Debra E Lyon, Lana Sargent
Multiple intrinsic and extrinsic mechanisms contribute to vulnerability of cognitive decline and nurses play a significant role in assisting individuals and families to use strategies for healthy cognitive aging. The objective of this narrative review is to provide a synthesis of the intrinsic and extrinsic mechanisms of cognitive decline and conditions that are associated with cognitive decline. Well-established intrinsic mechanisms of cognitive decline include aging, apolipoprotein E (APOE) ε4 carrier status, SORL1 mutations, neuroinflammation, mitochondrial dysfunction, amyloid deposition, and demyelination...
January 18, 2018: Nursing Forum
https://www.readbyqxmd.com/read/29341020/mri-in-the-study-of-animal-models-of-stroke
#2
Pedro Ramos-Cabrer, Daniel Padro
Stroke consists of the loss of cerebral functions resulting from the interruption of blood supply to a region of the brain, and represents the second cause of death and the leading cause of major disability in adults in Europe. Stroke is a very active field of research at preclinical and clinical levels, and Magnetic Resonance Imaging (MRI) is one of the most powerful tools that scientist and clinicians have for the study of the onset, evolution and consequences of this devastating disease, as well as for the monitoring of the success of available treatments, or for the development of novel therapeutic strategies...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29340587/subclinical-device-detected-atrial-fibrillation-and-stroke-risk-a-systematic-review-and-meta-analysis
#3
Rajiv Mahajan, Tharani Perera, Adrian D Elliott, Darragh J Twomey, Sharath Kumar, Dian A Munwar, Kashif B Khokhar, Anand Thiyagarajah, Melissa E Middeldorp, Chrishan J Nalliah, Jeroen M L Hendriks, Jonathan M Kalman, Dennis H Lau, Prashanthan Sanders
Aims: To determine stroke risk in subclinical atrial fibrillation (AF) and temporal association between subclinical AF and stroke. Methods and results: Pubmed/Embase was searched for studies reporting stroke in subclinical AF in patients with cardiac implantable electronic devices (CIEDs). After exclusions, 11 studies were analysed. Of these seven studies reported prevalence of subclinical AF, two studies reported association between subclinical and clinical AF, seven studies reported stroke risk in subclinical AF, and five studies reported temporal relationship between subclinical AF and stroke...
January 10, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29334329/predictive-value-of-metabolic-syndrome-definitions-in-patients-with-myocardial-infarction-with-st-segment-elevation-are-they-all-the-same
#4
Milan Branko Lovic, Lidija Savic, Dragan Matic, Dragan Djordjevic, Ivana Nedeljkovic, Ivan Tasic
OBJECTIVES: We sought to determine the predictive power of metabolic syndrome (MS) definitions on the prognosis in patients with myocardial infarction with ST-segment elevation (STEMI). METHODS: We prospectively included 507 patients with STEMI who were admitted for primary percutaneous coronary intervention and could be identified for MS using the AHA-NHLBI, NCEP-ATP III and IDF definitions. After applying these criteria, we divided the group in patients with MS and without MS; we compared baseline characteristics, clinical findings and outcomes among these patients...
January 15, 2018: Acta Cardiologica
https://www.readbyqxmd.com/read/29330651/3d-computed-tomography-to-compare-the-dimensions-of-the-left-atrial-appendage-in-patients-with-normal-sinus-rhythm-and-those-with-paroxysmal-atrial-fibrillation
#5
Maiko Hozawa, Yoshihiro Morino, Yuki Matsumoto, Ryoichi Tanaka, Kyohei Nagata, Akiko Kumagai, Atsushi Tashiro, Akio Doi, Kunihiro Yoshioka
Although paroxysmal atrial fibrillation (PAF) is an important cause of cardioembolic stroke, in contrast to chronic AF patients, the anatomical features of the left atrial appendage (LAA) in PAF patients remain unknown. Here, we investigated differences in LAA structures in patients with PAF and those with normal sinus rhythms (NSR) using 3D-computed tomography (3D-CT), which allows us to visualize complicated LAA structures at high spatial resolution. Study subjects were 30 consecutive PAF and 30 NSR patients with complete enhanced cardiac 3D-CT images available...
January 12, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29329535/measurement-of-the-potential-geographic-accessibility-from-call-to-definitive-care-for-patient-with-acute-stroke
#6
J Freyssenge, F Renard, A M Schott, L Derex, N Nighoghossian, K Tazarourte, C El Khoury
BACKGROUND: The World Health Organization refers to stroke, the second most frequent cause of death in the world, in terms of pandemic. Present treatments are only effective within precise time windows. Only 10% of thrombolysis patients are eligible. Late assessment of the patient resulting from admission and lack of knowledge of the symptoms is the main explanation of lack of eligibility. METHODS: The aim is the measurement of the time of access to treatment facilities for stroke victims, using ambulances (firemen ambulances or EMS ambulances) and private car...
January 12, 2018: International Journal of Health Geographics
https://www.readbyqxmd.com/read/29327286/abcd3-i-score-and-the-risk-of-early-or-3-month-stroke-recurrence-in-tissue-and-time-based-definitions-of-tia-and-minor-stroke
#7
Lukas Mayer, Julia Ferrari, Stefan Krebs, Christian Boehme, Thomas Toell, Benjamin Matosevic, Alexander Tinchon, Michael Brainin, Thomas Gattringer, Peter Sommer, Peter Thun, Johann Willeit, Wilfried Lang, Stefan Kiechl, Michael Knoflach
Changing definition of TIA from time to a tissue basis questions the validity of the well-established ABCD3-I risk score for recurrent ischemic cerebrovascular events. We analyzed patients with ischemic stroke with mild neurological symptoms arriving < 24 h after symptom onset in a phase where it is unclear, if the event turns out to be a TIA or minor stroke, in the prospective multi-center Austrian Stroke Unit Registry. Patients were retrospectively categorized according to a time-based (symptom duration below/above 24 h) and tissue-based (without/with corresponding brain lesion on CT or MRI) definition of TIA or minor stroke...
January 11, 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29326112/epidemiology-of-new-onset-atrial-fibrillation-following-coronary-artery-bypass-graft-surgery
#8
Giovanni Filardo, Ralph J Damiano, Gorav Ailawadi, Vinod H Thourani, Benjamin D Pollock, Danielle M Sass, Teresa K Phan, Hoa Nguyen, Briget da Graca
OBJECTIVES: Postoperative atrial fibrillation (AF) following coronary artery bypass graft surgery (CABG) is significantly associated with reduced survival, but poor characterisation and inconsistent definitions present barriers to developing effective prophylaxis and management. We sought to address this knowledge gap. METHODS: From 2002 to 2010, 11 239 consecutive patients without AF underwent isolated CABG at five sites. Clinical data collected for the Society of Thoracic Surgeons (STS) Database were augmented with details on AF detected via continuous in-hospital ECG/telemetry monitoring to assess new-onset post-CABG AF (adjusted for STS risk of mortality); time to first AF; durations of first and longest AF episodes; total in-hospital time in AF; number of in-hospital AF episodes; operative mortality; stroke; discharge in AF; and length of stay (LOS)...
January 11, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29318683/prospective-surveillance-pilot-of-rivaroxaban-safety-within-the-us-food-and-drug-administration-sentinel-system
#9
Elizabeth A Chrischilles, Joshua J Gagne, Bruce Fireman, Jennifer Nelson, Sengwee Toh, Azadeh Shoaibi, Marsha E Reichman, Shirley Wang, Michael Nguyen, Rongmei Zhang, Rima Izem, Margie R Goulding, Mary Ross Southworth, David J Graham, Candace Fuller, Hannah Katcoff, Tiffany Woodworth, Catherine Rogers, Ryan Saliga, Nancy D Lin, Cheryl N McMahill-Walraven, Vinit P Nair, Kevin Haynes, Ryan M Carnahan
PURPOSE: The US Food and Drug Administration's Sentinel system developed tools for sequential surveillance. METHODS: In patients with non-valvular atrial fibrillation, we sequentially compared outcomes for new users of rivaroxaban versus warfarin, employing propensity score matching and Cox regression. A total of 36 173 rivaroxaban and 79 520 warfarin initiators were variable-ratio matched within 2 monitoring periods. RESULTS: Statistically significant signals were observed for ischemic stroke (IS) (first period) and intracranial hemorrhage (ICH) (second period) favoring rivaroxaban, and gastrointestinal bleeding (GIB) (second period) favoring warfarin...
January 10, 2018: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/29316662/recurrent-hemorrhagic-conversion-of-ischemic-stroke-in-a-patient-with-mechanical-heart-valve-a-case-report-and-literature-review
#10
Micheal Jace Tarver, Tyler Schmidt, Michael T Koltz
The authors present a unique case of recurrent stroke, discovered to be secondary to hemorrhagic conversion of microemboli from a mechanical aortic valve despite anticoagulation with Coumadin. The complexity of this case was magnified by the patient's young age, a mechanical heart valve (MHV), and a need for anticoagulation to maintain MHV patency in a setting of potentially life-threatening intracranial hemorrhage. Anticoagulant and antiplatelet therapy are risk factors for hemorrhagic conversion post-cerebral ischemia; however, the pathophysiology underlying endothelial cell dysfunction causing red blood cell extravasation is an active area of basic and clinical research...
January 7, 2018: Brain Sciences
https://www.readbyqxmd.com/read/29316564/primary-prevention-of-stroke-in-chronic-kidney-disease-patients-a-scientific-update
#11
Stefana Catalina Bilha, Alexandru Burlacu, Dimitrie Siriopol, Luminita Voroneanu, Adrian Covic
BACKGROUND: Although chronic kidney disease (CKD) is an independent risk factor for stroke, official recommendations for the primary prevention of stroke in CKD are generally lacking. SUMMARY: We searched PubMed and ISI Web of Science for randomised controlled trials, observational studies, reviews, meta-analyses and guidelines referring to measures of stroke prevention or to the treatment of stroke-associated risk factors (cardiovascular disease in general and atrial fibrillation (AF), arterial hypertension or carotid artery disease in particular) among the CKD population...
January 9, 2018: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/29313713/ischemic-and-bleeding-outcomes-after-coronary-artery-bypass-grafting-among-patients-initially-treated-with-a-p2y12-receptor-antagonist-for-acute-coronary-syndromes-insights-on-timing-of-discontinuation-of-ticagrelor-and-clopidogrel-prior-to-surgery
#12
Juan J Russo, Tyler E James, Marc Ruel, Jean-Yves Dupuis, Kuljit Singh, Daniel Goubran, Nikita Malhotra, Fraser Rubens, Aun-Yeong Chong, Benjamin Hibbert, Paul Boland, Diem Tt Tran, Jean-Francois Tanguay, Marie Lordkipanidzé, Louis Perrault, George A Wells, Michael Bourke, Vincent Chan, Derek Yf So
BACKGROUND: Clinical outcomes in acute coronary syndrome patients treated with P2Y12 inhibitors who require urgent coronary artery bypass grafting (CABG) have not been well studied. METHODS: We examined clinical outcomes in acute coronary syndrome patients in relation to the timing of CABG following P2Y12 inhibitor discontinuation (<72 h, 72 h to five days, >5 days). The primary ischemic outcome was a composite of death, reinfarction, need for revascularization, or stroke...
January 1, 2018: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/29311499/transcatheter-aortic-valve-implantation-tavi-for-native-aortic-valve-regurgitation%C3%A3-a-systematic-review
#13
Altayyeb Yousef, Zachary MacDonald, Trevor Simard, Juan J Russo, Joshua Feder, Michael V Froeschl, Alexander Dick, Christopher Glover, Ian G Burwash, Azeem Latib, Josep Rodés-Cabau, Marino Labinaz, Benjamin Hibbert
BACKGROUND: Transcatheter aortic valve implantation (TAVI) has become the standard of care for management of high-risk patients with aortic stenosis. Limited data is available regarding the performance of TAVI in patients with native aortic valve regurgitation (NAVR).Methods and Results:We performed a systematic review from 2002 to 2016. The primary outcome was device success as per VARC-2 criteria. Secondary endpoints included procedural complications, and 30-day and 1-year mortality rates...
December 28, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29311264/starting-sich-nomogram-to-predict-symptomatic-intracerebral-hemorrhage-after-intravenous-thrombolysis-for-stroke
#14
Manuel Cappellari, Gianni Turcato, Stefano Forlivesi, Cecilia Zivelonghi, Paolo Bovi, Bruno Bonetti, Danilo Toni
BACKGROUND AND PURPOSE: Symptomatic intracerebral hemorrhage (sICH) is a rare but the most feared complication of intravenous thrombolysis for ischemic stroke. We aimed to develop and validate a nomogram for individualized prediction of sICH in intravenous thrombolysis-treated stroke patients included in the multicenter SITS-ISTR (Safe Implementation of Thrombolysis in Stroke-International Stroke Thrombolysis Register). METHODS: All patients registered in the SITS-ISTR by 179 Italian centers between May 2001 and March 2016 were originally included...
January 8, 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29310988/an-updated-diagnostic-approach-to-subtype-definition-of-vascular-parkinsonism-recommendations-from-an-expert-working-group
#15
REVIEW
Ivan Rektor, Nicolaas I Bohnen, Amos D Korczyn, Viktoria Gryb, Hrishikesh Kumar, Milica G Kramberger, Frank-Erik de Leeuw, Zvezdan Pirtošek, Irena Rektorová, Ilana Schlesinger, Jaroslaw Slawek, Peter Valkovič, Branislav Veselý
This expert working group report proposes an updated approach to subtype definition of vascular parkinsonism (VaP) based on a review of the existing literature. The persistent lack of consensus on clear terminology and inconsistent conceptual definition of VaP formed the impetus for the current expert recommendation report. The updated diagnostic approach intends to provide a comprehensive tool for clinical practice. The preamble for this initiative is that VaP can be diagnosed in individual patients with possible prognostic and therapeutic consequences and therefore should be recognized as a clinical entity...
December 29, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29303797/lack-of-early-improvement-predicts-poor-outcome-following-acute-intracerebral-hemorrhage
#16
Vignan Yogendrakumar, Eric E Smith, Andrew M Demchuk, Richard I Aviv, David Rodriguez-Luna, Carlos A Molina, Yolanda Silva Blas, Imanuel Dzialowski, Adam Kobayashi, Jean-Martin Boulanger, Cheemun Lum, Gord Gubitz, Vasantha Padma, Jayanta Roy, Carlos S Kase, Rohit Bhatia, Myzoon Ali, Patrick Lyden, Michael D Hill, Dar Dowlatshahi
OBJECTIVES: There are limited data as to what degree of early neurologic change best relates to outcome in acute intracerebral hemorrhage. We aimed to derive and validate a threshold for early postintracerebral hemorrhage change that best predicts 90-day outcomes. DESIGN: Derivation: retrospective analysis of collated clinical stroke trial data (Virtual International Stroke Trials Archive). VALIDATION: retrospective analysis of a prospective multicenter cohort study (Prediction of haematoma growth and outcome in patients with intracerebral haemorrhage using the CT-angiography spot sign [PREDICT])...
January 4, 2018: Critical Care Medicine
https://www.readbyqxmd.com/read/29303450/subcutaneous-bone-flap-storage-after-emergency-craniectomy-cost-effectiveness-and-rate-of-resorption
#17
Griffin Ernst, Fares Qeadan, Andrew P Carlson
OBJECTIVE Decompressive craniectomy is used for uncontrolled intracranial pressure in traumatic brain injury and malignant hemispheric stroke. Subcutaneous preservation of the autologous bone flap in the abdomen is a simple, portable technique but has largely been abandoned due to perceived concerns of resorption. The authors sought to characterize their experience with subcutaneous preservation of the bone flap and cranioplasty. METHODS The authors performed a retrospective single-institution review of subcutaneous preservation of the autologous bone flap after decompressive craniectomy from 2005 to 2015...
January 5, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29301969/transient-ischemic-attack-and-minor-stroke-definitively-not-so-harmless-for-the-brain-and-cognitive-functions
#18
EDITORIAL
Dominique Deplanque, Michèle Bastide, Régis Bordet
No abstract text is available yet for this article.
January 4, 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29291175/factors-delaying-management-of-acute-stroke-an-indian-scenario
#19
Siju V Abraham, S Vimal Krishnan, Fazil Thaha, Jayaraj Mymbilly Balakrishnan, Tom Thomas, Babu Urumese Palatty
Background and Purpose: The purpose of this study was to assess factors causing delay in treatment of acute stroke in a tertiary care institute in South India. Methods: All clinically suspected cases of acute stroke presenting to the emergency department over a period of 1 year were prospectively followed up and data collected as per a preset pro forma. The various time intervals from stroke onset to definitive management and other pertinent data were collected...
October 2017: International Journal of Critical Illness and Injury Science
https://www.readbyqxmd.com/read/29289951/cardioembolic-stroke-in-patient-with-transcatheter-occluded-left-atrial-appendage
#20
Umberto Cucchini, Denisa Muraru, Luigi P Badano
A cerebral ischemic event in a patient managed with left atrial appendage (LAA) transcatheter obliteration is illustrated. Transesophageal echocardiography allowed identification and accurate definition of the LAA device leakage.
January 2018: Journal of Invasive Cardiology
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