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G P Chuiko, O V Dvornik, S I Shyian, Ye A Baganov
BACKGROUND: A new computer model for systolic pulse waves within the cardiovascular system is presented. The emphasis was made on blood stroke volume (BS). The new waveform for pulse wave demands the re-computing of the BS. The authors showed the applicability of suggested model for arterial aging problem. METHODS: Suggested model is based on the well-known Korteweg-de Vries (KdV) equation. Instead of the common accepted solitary wave, the periodical cnoidal wave is used...
October 14, 2016: Computers in Biology and Medicine
Xiaoling Yuan, Zifeng Dong
BACKGROUND Ischemic stroke (IS) is a leading cause of disability and death and NOTCH3 as a gene related with cardiac-cerebral vascular disease plays a vital role in IS development. However, the reports about the effect of genetic variants in NOTCH3 gene on IS are still few. MATERIAL AND METHODS In order to explore the association between NOTCH3 polymorphisms and IS, 134 patients with IS and 115 controls were enrolled in this case-control study. Polymerase chain reaction was used to do the genotyping of polymorphisms...
October 22, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Kara J Walters, Anna Meador, John A Galdo, Katharine Ciarrocca
Coagulation disorders account for a high incidence of death in the U.S. due to stroke, myocardial infarction, and venous thromboembolism. In the past few years, numerous agents have been brought to market for the treatment of thromboembolism or prevention of thromboembolism. Similar to warfarin, these agents can cause bleeding disorders, which may exacerbate dental care treatment plans. This literature review examines the newer agents for the treatment of thromboembolism disorders, common side effects and drug interactions, the specific medical conditions each agent treats, and the dental perspective on how to medically management patients prescribed these medications...
October 22, 2016: Special Care in Dentistry
Y Berlin-Broner, M Febbraio, L Levin
A systematic review was conducted to assess the association between apical periodontitis (AP) and cardiovascular disease (CVD). Studies published from the earliest date available until September 2015 were retrieved from the Medline, PubMed and Embase databases. The included studies reported the results from observational studies and assessed the link between AP and CVD as confirmed by one of the following criteria: diagnosed coronary artery disease, angina pectoris, acute myocardial infarction, stroke, or mortality caused by cardiac pathology...
October 21, 2016: International Endodontic Journal
Larry B Goldstein
No abstract text is available yet for this article.
October 21, 2016: Neurology
Joseph S Domino, Jonggyu Baek, William J Meurer, Nelda Garcia, Lewis B Morgenstern, Morgan Campbell, Lynda D Lisabeth
OBJECTIVE: To explore temporal trends in tissue plasminogen activator (tPA) administration for acute ischemic stroke (AIS) in a biethnic community without an academic medical center and variation in trends by age, sex, ethnicity, and stroke severity. METHODS: Cases of AIS were identified from 7 hospitals in the Brain Attack Surveillance in Corpus Christi (BASIC) project, a population-based surveillance study between January 1, 2000, and June 30, 2012. tPA, demographics, and stroke severity as assessed by the NIH Stroke Scale (NIHSS) were ascertained from medical records...
October 21, 2016: Neurology
Jason Mackey, Jane C Khoury, Kathleen Alwell, Charles J Moomaw, Brett M Kissela, Matthew L Flaherty, Opeolu Adeoye, Daniel Woo, Simona Ferioli, Felipe De Los Rios La Rosa, Sharyl Martini, Pooja Khatri, Joseph P Broderick, Mario Zuccarello, Dawn Kleindorfer
OBJECTIVE: To characterize temporal trends in subarachnoid hemorrhage (SAH) incidence and outcomes over 5 time periods in a large population-based stroke study in the United States. METHODS: All SAHs among residents of the Greater Cincinnati/Northern Kentucky region at least 20 years of age were identified and verified via study physician review in 5 distinct year-long study periods between 1988 and 2010. We abstracted demographics, care patterns, and outcomes, and we compared incidence and case-fatality rates across the study periods...
October 21, 2016: Neurology
Ayşegül İdil Soylu, Sümeyra Arıkan Cortcu, Fatih Uzunkaya, Yunus Oktay Atalay, Tumay Bekçi, Levent Güngör, Ümit Belet
OBJECTIVES: Platelet-to-lymphocyte ratio is a novel biomarker, recently shown to be correlated with atherosclerotic inflammation. This study investigated the role of platelet-to-lymphocyte ratio in patients with carotid artery stenosis and stroke. METHODS: Patients, who underwent carotid angiography with Multiple Detector Computed Tomography Angiography at our hospital, were retrospectively screened. Patients enrolled were divided into three groups based on the platelet-to-lymphocyte ratio...
October 20, 2016: Vascular
Martyn J Matthews, Daniel Green, Helen Matthews, Emma Swanwick
PURPOSE: To investigate the effects of training induced fatigue on shoulder strength, ROM, joint position sense, and stroke length in elite competitive swimmers. METHODS: Seventeen national level swimmers performed maximum isometric strength (internal and external rotation), ROM, and joint position sense tests before and after a fatiguing 8 × 100 m training set. Stroke length, heart rate, blood lactate and blood glucose levels were recorded throughout. RESULTS: Peak blood lactate, blood glucose levels, and heart rate increased significantly (P < 0...
August 30, 2016: Physical Therapy in Sport
Da-Shi Qi, Jin-Hao Tao, Lian-Qin Zhang, Mei Wang, Rui Qu, Lian-Qin Zhang, Pei Liu, Jian-Cheng Miu, Jing-Yi Ma, Xin-Yu Mei
Cilostazol(CTL) is a phosphodiesterase inhibitor, which has been widely used as anti-platelet agent. It also has preventive effects on various central nervous system (CNS) diseases, including ischemic stroke, Parkinson's disease and Alzheimer disease. However, the molecular mechanism underlying the protective effects of CTL is still unclear, and whether CTL can prevent I/R induced cognitive deficit has not been reported. Transient global brain ischemia was induced by 4-vessel occlusion in adult male Sprague-Dawley rats...
October 18, 2016: Brain Research
Maria Celeste Buompadre, Kathleen Andres, Lee-Anne Slater, Hadi Mohseni-Bod, Anne-Marie Guerguerian, Helen Branson, Suzanne Laughlin, Derek Armstrong, Mahendranath Moharir, Gabrielle deVeber, Tilman Humpl, Osami Honjo, Shaf Keshavjee, Rebecca Ichord, Vitor Pereira, Nomazulu Dlamini
The updated American Heart Association/American Stroke Association guidelines include recommendation for thrombectomy in certain adult stroke cases. The safety and efficacy of thrombectomy in children are unknown. An 8-year-old girl experienced acute stroke symptoms on two occasions while therapeutically anticoagulated on Novalung. Computed tomography scans showed proximal vessel thrombi, which were retrieved using a Trevo device without hemorrhagic complications. Postprocedural assessment found respective decreases in the National Institutes of Health Stroke Scale score from 10 to 4 and 12 to 7...
September 14, 2016: Pediatric Neurology
Shara I Feld, Sarah E Tevis, Alexander G Cobian, Mark W Craven, Gregory D Kennedy
BACKGROUND: Many studies have evaluated predictors of postoperative complications, yet little is known about the development of multiple complications. The goal of this study was to assess complication timing in cascades of multiple complications and the risk of future complications given a patient's first complication. METHODS: This study includes 30-day, postoperative complications from the American College of Surgeons National Surgical Quality Improvement Program for all patients who underwent major inpatient and outpatient operative procedures from 2005-2013...
October 18, 2016: Surgery
Franziska Hopfner, Dietrich Haubenberger, Wendy R Galpern, Katrina Gwinn, Ashlee Van't Veer, Samantha White, Kailash Bhatia, Charles H Adler, David Eidelberg, William Ondo, Glenn T Stebbins, Caroline M Tanner, Rick C Helmich, Fred A Lenz, Roy V Sillitoe, David Vaillancourt, Jerrold L Vitek, Elan D Louis, Holly A Shill, Matthew P Frosch, Tatiana Foroud, Gregor Kuhlenbäumer, Andrew Singleton, Claudia M Testa, Mark Hallett, Rodger Elble, Günther Deuschl
Essential tremor (ET) is a common cause of significant disability, but its etiologies and pathogenesis are poorly understood. Research has been hampered by the variable definition of ET and by non-standardized research approaches. The National Institute of Neurological Disorders and Stroke (USA) invited experts in ET and related fields to discuss current knowledge, controversies, and gaps in our understanding of ET and to develop recommendations for future research. Discussion focused on phenomenology and phenotypes, therapies and clinical trials, pathophysiology, pathology, and genetics...
October 4, 2016: Parkinsonism & related Disorders
Carsten Deppermann, Paul Kubes
The primary function of platelets is to patrol the vasculature and seal vessel breaches to limit blood loss. However, it is becoming increasingly clear that they also contribute to pathophysiological conditions like thrombosis, atherosclerosis, stroke and infection. Severe sepsis is a devastating disease that claims hundreds of thousands of lives every year in North America and is a major burden to the public health system. Platelet surface receptors like GPIb, αIIbβ3, TLR2 and TLR4 are involved in direct platelet-bacteria interactions...
October 18, 2016: Seminars in Immunology
Nizal Sarrafzadegan, Mojgan Gharipour, Masoumeh Sadeghi, Pouya Nezafati, Mohammad Talaie, Shahram Oveisgharan, Fatemeh Nouri, Alireza Khosravi
BACKGROUND: Metabolic syndrome (MetS) is recently proposed as a predictor for the occurrence of vascular defects causing ischemic stroke. However, details on the association of MetS with stroke are scare in our region. The present study aimed to assess the predictive value of MetS and its components for stoke among the Iranian population. METHODS: A longitudinal population-based study was conducted on adults aged 35 years or older who were living in 3 districts in central part of Iran and followed for 10 years...
October 18, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Sarah A Moore, Ruth Da Silva, Madelaine Balaam, Lianne Brkic, Dan Jackson, Dan Jamieson, Thomas Ploetz, Helen Rodgers, Lisa Shaw, Frederike van Wijck, Christopher Price
BACKGROUND: Loss of upper limb function affects up to 85 % of acute stroke patients. Recovery of upper limb function requires regular intensive practise of specific upper limb tasks. To enhance intensity of practice interventions are being developed to encourage patients to undertake self-directed exercise practice. Most interventions do not translate well into everyday activities and stroke patients continue to find it difficult remembering integration of upper limb movements into daily activities...
October 21, 2016: Trials
Stefan Reers, Tolga Agdirlioglu, Michael Kellner, Matthias Borowski, Holger Thiele, Johannes Waltenberger, Michael Reppel
BACKGROUND: Non-vitamin K antagonist oral anticoagulants (NOACs) such as dabigatran or rivaroxaban are alternatives to vitamin K antagonists (VKAs) for prevention of stroke and systemic embolism in patients with atrial fibrillation (AF) and atrial flutter (AFL). Incidences of risk factors for left atrium (LA) and left atrial appendage (LAA) thrombus formation, such as dense spontaneous echo contrast (SEC), low LAA velocity (LAAV) <20 cm/s under treatment with dabigatran and rivaroxaban in comparison with VKAs are unknown...
October 21, 2016: European Journal of Medical Research
Mahnaz Ashoorkhani, Ali Bozorgi, Reza Majdzadeh, Hamed Hosseini, Ali Yoonessi, Ali Ramezankhani, Hassan Eftekhar
BACKGROUND: Hypertension is one of the most important and well-known risk factors for cardiovascular diseases. Unfortunately, in spite of effective treatments, adherence to the regular use of drugs and other nondrug treatments, such as lifestyle improvement, is often poor. This study evaluates the effectiveness of an educational, supportive intervention - in the form of a Blood Pressure Management Application (BPMAP) - on self-management in patients with primary hypertension on controlling the determinant factors of hypertension, and on adherence to treatment...
October 21, 2016: Trials
Estelle Seyman, Hilla Shaim, Shani Shenhar-Tsarfaty, Tali Jonash-Kimchi, Natan M Bornstein, Hen Hallevi
BACKGROUND: Acute ischemic stroke (AIS) is a common neurological event that causes varying degrees of disability. AIS outcome varies considerably, from complete recovery to complete loss of tissue and function. This diversity is partly explained by the compensatory ability of the collateral circulation and the ensuing cerebral flow grade. The collateral flow to the anterior circulation largely supplies the cortical areas. The deep brain tissue is supplied by penetrating arteries and has little or no collateral supply...
October 21, 2016: BMC Neurology
Jingwen Tan, Shuiqing Liu, Jodi B Segal, G Caleb Alexander, Mara McAdams-DeMarco
BACKGROUND: Patients with end stage renal disease (ESRD), including stage 5 chronic kidney disease (CKD), hemodialysis (HD) and peritoneal dialysis (PD), are at high risk for stroke-related morbidity, mortality and bleeding. The overall risk/benefit balance of warfarin treatment among patients with ESRD and AF remains unclear. METHODS: We systematically reviewed the associations of warfarin use and stroke outcome, bleeding outcome or mortality in patients with ESRD and AF...
October 21, 2016: BMC Nephrology
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