keyword
MENU ▼
Read by QxMD icon Read
search

precision stroke

keyword
https://www.readbyqxmd.com/read/28529059/a-review-of-human-neuroimaging-investigations-involved-with-central-autonomic-regulation-of-baroreflex-mediated-cardiovascular-control
#1
Derek S Kimmerly
Effective regulation of central blood volume and arterial pressure is critical for optimal cardiovascular homeostasis. Inadequate regulation of mean arterial pressure has important pathophysiological implications including syncope, end organ damage, and stroke. Such regulation requires appropriate central integration of barosensory afferents and reflex autonomic control of the heart and blood vessels. The neural pathways involved with the baroreflex include brainstem nuclei that receive modulatory input from higher brain centres...
May 15, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28505990/the-features-of-gait-exercise-assist-robot-precise-assist-control-and-enriched-feedback
#2
Satoshi Hirano, Eiichi Saitoh, Shigeo Tanabe, Hiroki Tanikawa, Shinya Sasaki, Daisuke Kato, Hitoshi Kagaya, Norihide Itoh, Hitoshi Konosu
BACKGROUND: In a patient with severe hemiplegia, the risk of the knee giving way is high during the early stage of gait exercise with an ankle-foot orthosis. However, use of a knee-ankle-foot orthosis has many problems such as large amount of assistance and compensatory motions. To resolve these problems, we have engaged in the development of the Gait Exercise Assist Robot (GEAR). OBJECTIVE: To evaluate the improvement efficiency of walk with GEAR in a stroke patient...
May 11, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28501967/plaque-tissue-morphology-based-stroke-risk-stratification-using-carotid-ultrasound-a-polling-based-pca-learning-paradigm
#3
Luca Saba, Pankaj K Jain, Harman S Suri, Nobutaka Ikeda, Tadashi Araki, Bikesh K Singh, Andrew Nicolaides, Shoaib Shafique, Ajay Gupta, John R Laird, Jasjit S Suri
Severe atherosclerosis disease in carotid arteries causes stenosis which in turn leads to stroke. Machine learning systems have been previously developed for plaque wall risk assessment using morphology-based characterization. The fundamental assumption in such systems is the extraction of the grayscale features of the plaque region. Even though these systems have the ability to perform risk stratification, they lack the ability to achieve higher performance due their inability to select and retain dominant features...
June 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28479338/effects-of-experimental-traumatic-brain-injury-and-impaired-glutamate-transport-on-cortical-spreading-depression
#4
Mahshid Sadat Hosseini-Zare, Feng Gu, Ahmad Abdulla, Simon Powell, Jokūbas Žiburkus
Cortical spreading depression (CSD) is associated with traumatic brain injury (TBI), stroke, migraines, and seizures. Typically, following TBIs and other insults, neuronal excitability in and around the area of the injury is affected, with reported increases in local glutamate signaling. Astrocytic glutamate transporters are critical for precise regulation of the extracellular glutamate availability. However, it remains unclear how impaired astrocytic glutamate transport or an acute TBI affect characteristics of the CSD...
May 4, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28461601/angiogenic-markers-and-cardiovascular-indices-in-the-prediction-of-hypertensive-disorders-of-pregnancy
#5
Stefan Verlohren, Frank H Perschel, Baskaran Thilaganathan, Lisa Antonia Dröge, Wolfgang Henrich, Andreas Busjahn, Asma Khalil
Angiogenic and antiangiogenic factors have proven to be an accurate predictive means of preeclampsia. Echocardiographic studies have shown that women with preeclampsia exhibit significant cardiovascular strain, especially early-onset preeclampsia. The aim of this study is to determine preeclampsia risk with soluble fms-like tyrosin kinase 1/placental growth factor ratio, serum NT-proBNP (N-terminal pro B-type natriuretic peptide), and biophysical markers of cardiovascular function in a prospective case-control study...
June 2017: Hypertension
https://www.readbyqxmd.com/read/28458710/tissue-plasminogen-activator-identifying-major-barriers-related-to-intravenous-injection-in-ischemic-acute-cerebral-infraction
#6
Fariborz Khorvash, Fatemeh Heidary, Mohammad Saadatnia, Ahmad Chitsaz, Zahra Tolou-Ghamari
BACKGROUND: According to previous publications, in patients with acute ischemic cerebral infarction, thrombolytic therapy using intravenous tissue plasminogen activator (IV-tPA) necessitates precise documentation of symptoms' onset. The aim of this study was to identify major barriers related to the IV-tPA injection in such patients. MATERIALS AND METHODS: Between the year 2014-2015, patients with definitive diagnosis of acute cerebral infarction (n = 180) who attended the neurology ward located at the Isfahan Alzahra Hospital were studied...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28456256/development-of-a-high-frequency-and-large-stroke-fatigue-testing-system-for-rubber
#7
Gang Chen, Hao Wu, Jianwen Gao, Qiang Lin
The limited capabilities of current fatigue testing machines have resulted in studies on the fatigue behavior of rubber under large-displacement amplitude and high frequency being very sparse. In this study, a fatigue testing system that can carry out large-displacement amplitude and high-frequency fatigue tests on rubber was developed using a moving magnet voice coil motor (MMVCM) actuator, with finite element analysis applied to analyze the thrust of the MMVCM actuator. The results of a series of cyclic tension tests conducted on vulcanized natural rubber specimens using the developed fatigue testing system verify that it has high precision, low noise, large-stroke, and high-frequency characteristics...
April 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28448161/peaches-for-lunch-creating-and-using-visual-variables
#8
Elizabeth Cartwright, Adam Clegg
In this article, I describe the process of systematically including nonverbal data in medical anthropology research. I demonstrate the process of visualizing and coding videotaped moments of life and show how we can analyze what is being done along with what is being said. I ground my discussion in toddler language socialization and then expand my observations to the realm of language pathologies. Aphasia from strokes, speech difficulties in neurologically based illnesses like Lou Gehrig's disease, and the variety of communication challenges that face those on the autism spectrum can all be studied in interesting ways by including precise descriptions of nonverbal actions...
April 27, 2017: Medical Anthropology
https://www.readbyqxmd.com/read/28442071/observational-practice-of-incentive-spirometry-in-stroke-patients
#9
Íllia N D F Lima, Guilherme A F Fregonezi, Rêncio B Florêncio, Tânia F Campos, Gardênia H Ferreira
BACKGROUND: Stroke may lead to several health problems, but positive effects can be promoted by learning to perform physical therapy techniques correctly. OBJECTIVE: To compare two different types of observational practice (video instructions and demonstration by a physical therapist) during the use of incentive spirometry (IS). METHOD: A total of 20 patients with diagnosis of stroke and 20 healthy individuals (56±9.7 years) were allocated into two groups: one with observational practice with video instructions for the use of IS and the other with observational practice with demonstration by a physical therapist...
January 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/28438906/novel-screening-tool-for-stroke-using-artificial-neural-network
#10
Vida Abedi, Nitin Goyal, Georgios Tsivgoulis, Niyousha Hosseinichimeh, Raquel Hontecillas, Josep Bassaganya-Riera, Lucas Elijovich, Jeffrey E Metter, Anne W Alexandrov, David S Liebeskind, Andrei V Alexandrov, Ramin Zand
BACKGROUND AND PURPOSE: The timely diagnosis of stroke at the initial examination is extremely important given the disease morbidity and narrow time window for intervention. The goal of this study was to develop a supervised learning method to recognize acute cerebral ischemia (ACI) and differentiate that from stroke mimics in an emergency setting. METHODS: Consecutive patients presenting to the emergency department with stroke-like symptoms, within 4.5 hours of symptoms onset, in 2 tertiary care stroke centers were randomized for inclusion in the model...
April 24, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28431669/after-the-leader-trial-and-sustain-6-how-do-we-explain-the-cardiovascular-benefits-of-some-glp-1-receptor-agonists
#11
B Vergès, B Charbonnel
Recent cardiovascular outcome trials - the LEADER with liragutide and SUSTAIN-6 with semaglutide - have shown significant reductions of major cardiovascular (CV) events with these glucagon-like peptide (GLP)-1 receptor agonists. Progressive separation of the treatment and placebo curves, starting clearly between 12 and 18 months of the trial period, and significant reductions in the risk of myocardial infarction and stroke, indicate that the beneficial CV effects observed with GLP-1 receptor agonists could be due to an antiatherogenic effect...
April 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28403411/comparison-of-bioreactance-and-echocardiographic-non-invasive-cardiac-output-monitoring-and-myocardial-function-assessment-in-primagravida-women
#12
A Doherty, A El-Khuffash, C Monteith, L McSweeney, C Breatnach, E Kent, E Tully, F Malone, P Thornton
Background.: Non-invasive cardiac output monitoring (NICOM) using bioreactance (BRT) in pregnancy is gaining interest but lacks validation. We compared simultaneous cardiac output (CO) measurements obtained using the NICOM ® (BRT-CO) and echocardiography (echo-CO), and assessed the relationship between maternal characteristics and myocardial performance. Methods.: Paired stroke volume (SV) and CO readings were obtained using NICOM ® and echocardiography, in a group of healthy nulliparous women throughout a 15 min period...
April 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28400981/new-developments-in-the-pathophysiology-workup-and-diagnosis-of-dural-venous-sinus-thrombosis-dvst-and-a-systematic-review-of-endovascular-treatments
#13
REVIEW
Sanjay Konakondla, Clemens M Schirmer, Fengwu Li, Xiaogun Geng, Yuchuan Ding
Dural venous sinus thrombosis (DVST) is a rare cause of stroke, which typically affects young women. The importance of identifying pre-disposing factors that lead to venous stasis lies in the foundation of understanding the etiology, pathophysiology and clinical presentation. The precise therapeutic role of interventional therapies is not fully understood though the current data do suggest potential applications. The aim of the study was to perform a systematic review and meta-analysis to evaluate the utility of and short-term 30-day survival after endovascular therapy for patients with DVST...
April 2017: Aging and Disease
https://www.readbyqxmd.com/read/28400791/axonal-remodeling-in-the-corticospinal-tract-after-stroke-how-does-rehabilitative-training-modulate-it
#14
REVIEW
Naohiko Okabe, Kazuhiko Narita, Osamu Miyamoto
Stroke causes long-term disability, and rehabilitative training is commonly used to improve the consecutive functional recovery. Following brain damage, surviving neurons undergo morphological alterations to reconstruct the remaining neural network. In the motor system, such neural network remodeling is observed as a motor map reorganization. Because of its significant correlation with functional recovery, motor map reorganization has been regarded as a key phenomenon for functional recovery after stroke. Although the mechanism underlying motor map reorganization remains unclear, increasing evidence has shown a critical role for axonal remodeling in the corticospinal tract...
February 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28400488/predictors-of-dysphagia-in-acute-pontine-infarction
#15
Sriramya Lapa, Sebastian Luger, Waltraud Pfeilschifter, Christian Henke, Marlies Wagner, Christian Foerch
BACKGROUND AND PURPOSE: Little is known about the frequency and the clinical characteristics of neurogenic dysphagia in pontine strokes. In this study, we sought to identify predictors for dysphagia in a cohort of patients with isolated pontine infarctions. METHODS: We included all patients admitted to our department between 2008 and 2014 having an acute (<48 hours after symptom onset) ischemic stroke in the pons, as documented by means of diffusion-weighted magnetic resonance imaging...
May 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28391426/comparison-of-stroke-volume-measurement-between-non-invasive-bioreactance-and-esophageal-doppler-in-patients-undergoing-major-abdominal-pelvic-surgery
#16
Gennaro De Pascale, Mervyn Singer, David Brealey
PURPOSE: Bioreactance is a non-invasive technology for measuring stroke volume (SV) in the operating room and critical care setting. We evaluated how the NICOM(®) bioreactance device performed against the CardioQ(®) esophageal Doppler monitor in patients undergoing major abdominal-pelvic surgery, focusing on the effect of different hemodynamic interventions. METHODS: SVNICOM and SVODM were simultaneously measured intraoperatively, including before and after interventions including fluid challenge, vasopressor boluses, peritoneal gas insufflation/removal, and Trendelenburg/reverse Trendelenburg patient positioning...
April 8, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28384662/a-diagnostic-marker-to-discriminate-childhood-apraxia-of-speech-from-speech-delay-iv-the-pause-marker-index
#17
Lawrence D Shriberg, Edythe A Strand, Marios Fourakis, Kathy J Jakielski, Sheryl D Hall, Heather B Karlsson, Heather L Mabie, Jane L McSweeny, Christie M Tilkens, David L Wilson
Purpose: Three previous articles provided rationale, methods, and several forms of validity support for a diagnostic marker of childhood apraxia of speech (CAS), termed the pause marker (PM). Goals of the present article were to assess the validity and stability of the PM Index (PMI) to scale CAS severity. Method: PM scores and speech, prosody, and voice precision-stability data were obtained for participants with CAS in idiopathic, neurogenetic, and complex neurodevelopmental disorders; adult-onset apraxia of speech consequent to stroke and primary progressive apraxia; and idiopathic speech delay...
April 5, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28382267/dual-monitoring-with-stump-pressure-and-electroencephalography-during-carotid-endarterectomy
#18
Jee Won Chang, Su Wan Kim, Seogjae Lee, Jonggeun Lee, Min Jung Ku
BACKGROUND: Intraoperative monitoring during carotid endarterectomy is crucial for cerebral protection. We investigated the results of carotid endarterectomy under dual monitoring with stump pressure and electroencephalography. METHODS: We retrospectively reviewed the medical records of 50 patients who underwent carotid endarterectomy between March 2010 and February 2016. We inserted a temporary shunt if the stump pressure was lower than 35 mm Hg or if any intraoperative change was observed on electroencephalography...
April 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28374631/a-narrative-review-of-the-impact-of-medical-comorbidities-on-stroke-rehabilitation-outcomes
#19
Alan K H Tam, Mark T Bayley
PURPOSE: Medical comorbidities in stroke patients influence acute mortality, but may also affect participation of survivors in rehabilitation. There is limited research investigating the impact of comorbidities on stroke rehabilitation outcomes. The review will explore the literature on the impact of comorbidities on stroke rehabilitation outcome. MATERIALS AND METHODS: The literature was searched systematically, including MEDLINE database, EMBASE and PsychINFO, combining variations of the terms stroke, rehabilitation and comorbidities...
April 4, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28367109/low-latency-estimation-of-motor-intentions-to-assist-reaching-movements-along-multiple-sessions-in-chronic-stroke-patients-a-feasibility-study
#20
Jaime Ibáñez, Esther Monge-Pereira, Francisco Molina-Rueda, J I Serrano, Maria D Del Castillo, Alicia Cuesta-Gómez, María Carratalá-Tejada, Roberto Cano-de-la-Cuerda, Isabel M Alguacil-Diego, Juan C Miangolarra-Page, Jose L Pons
Background: The association between motor-related cortical activity and peripheral stimulation with temporal precision has been proposed as a possible intervention to facilitate cortico-muscular pathways and thereby improve motor rehabilitation after stroke. Previous studies with patients have provided evidence of the possibility to implement brain-machine interface platforms able to decode motor intentions and use this information to trigger afferent stimulation and movement assistance. This study tests the use a low-latency movement intention detector to drive functional electrical stimulation assisting upper-limb reaching movements of patients with stroke...
2017: Frontiers in Neuroscience
keyword
keyword
108878
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"