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Acute ischemic stroke

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https://www.readbyqxmd.com/read/29154813/one-year-outcomes-of-prasugrel-versus-ticagrelor-in-acute-myocardial-infarction-treated-with-primary-angioplasty-the-prague-18-study
#1
Zuzana Motovska, Ota Hlinomaz, Petr Kala, Milan Hromadka, Jiri Knot, Ivo Varvarovsky, Jaroslav Dusek, Jiri Jarkovsky, Roman Miklik, Richard Rokyta, Frantisek Tousek, Petra Kramarikova, Michal Svoboda, Bohumil Majtan, Stanislav Simek, Marian Branny, Jan Mrozek, Pavel Cervinka, Jiri Ostransky, Petr Widimsky
BACKGROUND: Early outcomes of patients in the PRAGUE-18 study did not find any significant differences between two potent P2Y12 inhibitors. OBJECTIVE: The one-year follow-up of the PRAGUE-18 study focused on (1) a comparison of efficacy and safety between prasugrel and ticagrelor, and (2) on the risk of major ischemic events related to an economically motivated post-discharge switch to clopidogrel. METHODS: A total of 1,230 patients with acute myocardial infarction (MI) treated with primary PCI were randomized to prasugrel or ticagrelor with an intended treatment duration of 12 months...
November 9, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29153608/cofilin-signaling-in-hemin-induced-microglial-activation-and-inflammation
#2
Muhammad Shahdaat Bin Sayeed, Qasim Alhadidi, Zahoor A Shah
Intracerebral hemorrhage (ICH) is the most severe form of stroke and is further exacerbated by the secondary injury involving inflammatory response due to the activation of microglia. This secondary injury is partly due to the toxic effects of hemin, an endogenous breakdown product of hemoglobin. Cofilin, an actin depolymerizing factor, controls actin dynamics and has been previously shown to be involved in mediating neuronal cell death in ischemic conditions and during bacterial lipopolysaccharide induced microglial activation...
December 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29153441/complex-endovascular-repair-of-postdissection-arch-and-thoracoabdominal-aneurysms
#3
Rafaëlle Spear, Adrien Hertault, Katrien Van Calster, Nicla Settembre, Matthieu Delloye, Richard Azzaoui, Jonathan Sobocinski, Dominique Fabre, Mark Tyrrell, Stéphan Haulon
OBJECTIVE: We report our experience of the treatment of postdissection arch aneurysms and thoracoabdominal aortic aneurysms (TAAAs) by endovascular repair using fenestrated and branched endografts. METHODS: This study includes all patients presenting with chronic postdissection aneurysms >55 mm in diameter deemed unfit for open surgery and treated by complex endografting between October 2011 and April 2017. Where appropriate, staged management strategies including left subclavian artery revascularization, thoracic endografting, dissection flap fenestration, and tear enlargement were performed before the complex endovascular repair...
November 15, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29153396/the-prognostic-value-of-serum-uric-acid-in-the-acute-phase-of-ischemic-stroke-in-black-africans
#4
Yacouba Njankouo Mapoure, Chia Mark Ayeah, Hamadou Ba, Romuald Hentchoya, Henry Namme Luma
BACKGROUND: The association between hyperuricemia and stroke outcome still remains controversial worldwide. This study aims to determine the prevalence of hyperuricemia and its association with the outcome of patients with acute ischemic stroke in a tertiary care hospital. METHODS: This was a hospital-based prospective cohort study that included patients with ischemic stroke with baseline uric acid levels and 3-month post-stroke follow-up data. Associations between hyperuricemia and stroke outcomes were analyzed using multiple logistic regression, Kaplan-Meier, and Cox proportional hazards regression analysis...
November 15, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29153395/ultrasound-mediated-kallidinogenase-loaded-microbubble-targeted-therapy-for-acute-cerebral-infarction
#5
Yanling Liang, Jia Chen, Xuan Zheng, Zhiyi Chen, Yuming Liu, Siying Li, Xiaobo Fang
BACKGROUND: The neuroprotective effects of kallidinogenase against acute cerebral infarction have been demonstrated, and the use of microbubbles has been suggested as a therapeutic mechanism for drug delivery. This study was designed to investigate the optimal parameters for preparing kallidinogenase-loaded microbubbles (KLMs) and to evaluate the effects of KLM-targeted therapy on neurogenesis and angiogenesis following experimental acute cerebral infarction in rats. MATERIALS AND METHODS: KLMs were prepared by mechanical shaking...
November 15, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29153338/prevalence-and-prognosis-of-intracranial-stenosis-in-acute-ischemic-stroke-a-single-center-registry-from-turkey
#6
(no author information available yet)
Background/aim: Intracranial stenosis (ICS) is identified in 2.2%?70.4% of patients with ischemic stroke and transient ischemic attack. This study aimed to determine the prevalence of ICS in a single center registry from Turkey. Materials and methods: We reviewed the charts of 619 patients with acute ischemic stroke. ICS was defined as any ICS > 50% on cerebrovascular imaging. The demographic data, risk factors, NIHSS scores and C reactive protein level at admission, mortality in hospital, recurrent stroke, and mRS in the follow-up period were recorded...
August 23, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29153304/thrombectomy-using-clamping-embolus-with-semi-retrieval-technique-in-acute-ischemic-stroke
#7
Zhen-Sheng Liu, Long-Jiang Zhou, Yong Sun, Xiong-Wei Kuang, Jia-Xiang Wang, Xin-Jiang Zhang
BACKGROUND: Embolization of thrombus fragments in new or downstream vascular territories is a potential adverse event in neurothrombectomy, requiring additional repeated thrombectomy attempts. This study aims to describe technical results of the thrombectomy with clamping embolus technique (TCET) method in acute ischemic stroke. This study also aims to evaluate the efficiency of mechanical thrombectomy by TCET, and to compare it with conventional stent retriever thrombectomy (CSRT). MATERIALS AND METHODS: A retrospective analysis was performed in 52 consecutive patients treated between January 2015 and October 2016 for intracranial large vessel occlusion by stent retriever thrombectomy...
November 16, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29153122/age-specific-cost-effectiveness-of-using-intravenous-recombinant-tissue-plasminogen-activator-for-treating-acute-ischemic-stroke
#8
Heesoo Joo, Guijing Wang, Mary G George
INTRODUCTION: Studies have demonstrated that intravenous recombinant tissue plasminogen activator (IV rtPA) is a cost-effective treatment for acute ischemic stroke. Age-specific cost effectiveness has not been well examined. This study estimated age-specific incremental cost-effectiveness ratios (ICERs) of IV rtPA treatment versus no IV rtPA. METHODS: A Markov model was developed to examine the economic impact of IV rtPA over a 20-year time horizon on four age groups (18-44, 45-64, 65-80, and ≥81 years) from the U...
December 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/29153120/medical-expenditures-associated-with-diabetes-in-myocardial-infarction-and-ischemic-stroke-patients
#9
Xilin Zhou, Sundar S Shrestha, Elizabeth Luman, Guijing Wang, Ping Zhang
INTRODUCTION: The coexistence of diabetes among people with acute myocardial infarction (AMI) or acute ischemic stroke (AIS) is common. However, little is known about the extent of excess medical expenditures associated with having diabetes among AMI and AIS patients. METHODS: Data on 3,307 AMI patients and 2,460 AIS patients aged ≥18 years from the 2008 to 2014 Medical Expenditure Panel Survey were analyzed. Per capita annual medical expenditures associated with diabetes were separately estimated by healthcare components with generalized linear models and two-part models...
December 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/29152213/the-role-of-nitric-oxide-in-stroke
#10
REVIEW
Zhou-Qing Chen, Ru-Tao Mou, Dong-Xia Feng, Zhong Wang, Gang Chen
Stroke is considered to be an acute cerebrovascular disease, including ischemic stroke and hemorrhagic stroke. The high incidence and poor prognosis of stroke suggest that it is a highly disabling and highly lethal disease which can pose a serious threat to human health. Nitric oxide (NO), a common gas in nature, which is often thought as a toxic gas, because of its intimate relationship with the pathological processes of many diseases, especially in the regulation of blood flow and cell inflammation. However, recent years have witnessed an increased interest that NO plays a significant and positive role in stroke as an essential gas signal molecule...
July 2017: Medical Gas Research
https://www.readbyqxmd.com/read/29152211/xenon-helium-gas-mixture-at-equimolar-concentration-of-37-5-protects-against-oxygen-and-glucose-deprivation-induced-injury-and-inhibits-tissue-plasminogen-activator
#11
Hélène N David, Benoit Haelewyn, Jean-Éric Blatteau, Jean-Jacques Risso, Nicolas Vallée, Jacques H Abraini
Xenon (Xe) is considered to be the golden standard neuroprotective gas. However, Xe has a higher molecular weight and lower thermal conductivity and specific heat than those of nitrogen, the main diluent of oxygen in air. These physical characteristics could impair or at least reduce the intrinsic neuroprotective action of Xe by increasing the patient's respiratory workload and body temperature. In contrast, helium (He) is a cost-efficient gas with a lower molecular weight and higher thermal conductivity and specific heat than those of nitrogen, but is far less potent than Xe...
July 2017: Medical Gas Research
https://www.readbyqxmd.com/read/29151151/long-term-treatment-of-diabetic-rats-with-vanadyl-sulfate-or-insulin-attenuate-acute-focal-cerebral-ischemia-reperfusion-injury-via-their-antiglycemic-effect
#12
Hossein Ahmadi-Eslamloo, Gholam Abbas Dehghani, Seyed Mostafa Shid Moosavi
It is well-known that patients with diabetes mellitus have worse clinical outcomes following acute ischemic stroke. The intensifying effects of diabetes on ischemic brain injury have been shown to be mostly due to hyperglycemia, rather than the lack of insulin direct effects on brain. It is also well-approved that vanadium compounds have insulin-like and anti-diabetic effects, and the present study was designed to compare the protective effects of diabetes treatment with vanadium or insulin on ischemic/reperfused brain injury...
November 19, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29151070/circadian-rhythms-of-melatonin-and-cortisol-in-manifest-huntington-s-disease-and-in-acute-cortical-ischemic-stroke
#13
A Adamczak-Ratajczak, J Kupsz, M Owecki, D Zielonka, A Sowinska, Z Checinska-Maciejewska, H Krauss, S Michalak, M Gibas-Dorna
Recent studies indicate disruptions to the circadian system in brain injury and neurodegeneration. The results, however, are often not consistent and limited by measurement of only one circadian marker and by infrequent sampling rates. In this study, we examined diurnal rhythmicity in different stages of Huntington (HD) disease and in patients with acute moderate ischemic stroke (AIS) outside the retinohypothalamic pathway by evaluating serum concentrations of melatonin and cortisol at twelve timepoints. All study participants were subjected to the same study protocol of 12-hour light/dark cycle and controlled room conditions...
August 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29151041/assessment-of-thrombus-length-in-acute-ischemic-stroke-by-post-contrast-magnetic-resonance-angiography
#14
Ramanan Ganeshan, Alexander H Nave, Jan F Scheitz, Katharina A Schindlbeck, Karl Georg Haeusler, Christian H Nolte, Kersten Villringer, Jochen B Fiebach
OBJECTIVES: Post-contrast magnetic resonance angiography (PC-MRA) enables visualization of vessel segments distal to an intra-arterial thrombus in acute ischemic stroke. We hypothesized that PC-MRA also allows clot length measurement in different intracranial vessels. METHODS: Patients with MRI-confirmed ischemic stroke and intracranial artery occlusion within 24 hours of symptom onset were prospectively evaluated. PC-MRA was added to a standard stroke MRI protocol...
November 18, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29150530/declining-rates-of-hospitalization-for-selected-cardiovascular-disease-conditions-among-adults-aged-%C3%A2-35-years-with-diagnosed-diabetes-u-s-1998-2014
#15
Nilka Ríos Burrows, YanFeng Li, Edward W Gregg, Linda S Geiss
OBJECTIVE: Reductions in heart attack and stroke hospitalizations are well documented in the U.S. population with diabetes. We extended trend analyses to other cardiovascular disease (CVD) conditions, including stroke by type, and used four additional years of data. RESEARCH DESIGN AND METHODS: Using 1998-2014 National (Nationwide) Inpatient Sample data, we estimated the number of discharges having acute coronary syndrome (ACS) (ICD-9 codes 410-411), cardiac dysrhythmia (427), heart failure (428), hemorrhagic stroke (430-432), or ischemic stroke (433...
November 17, 2017: Diabetes Care
https://www.readbyqxmd.com/read/29149884/predictors-of-early-onset-post-ischemic-stroke-depression-a-cross-sectional-study
#16
Guilin Meng, Xiaoye Ma, Lei Li, Yan Tan, Xiaohui Liu, Xueyuan Liu, Yanxin Zhao
BACKGROUND: Post-stroke depression (PSD) seriously affects the rehabilitation of nerve function and quality of life. However, the pathogenesis of PSD is still not clear. This study aimed to investigate the demographic, clinical, and biochemical factors in patients with PSD. METHODS: Patients with an acute ischemic stroke, who met the inclusion criteria at Shanghai Tenth People's Hospital from April 2016 to September 2016, were recruited for this study. The stroke severity was assessed using the National Institutes of Health Stroke Scale (NIHSS), and the mental state was assessed using Mini-Mental State Examination (MMSE), Hamilton Depression Scale (HAMD), and Hamilton Anxiety Scale (HAMA) at 1 week of admission...
November 17, 2017: BMC Neurology
https://www.readbyqxmd.com/read/29149357/recommendations-for-mechanical-thrombectomy-in-patients-with-acute-ischemic-stroke-a%C3%A2-clinical-guide-by-the-hellenic-stroke-organization
#17
REVIEW
Panagiotis Papanagiotou, George Ntaios, Vasileios Papavasileiou, Klearchos Psychogios, Marios Psychogios, Anastasios Mpotsaris, Timolaos Rizos, Konstantinos Spengos, Miltiadis Gravanis, Sofia Vassilopoulou, Christos Gkogkas, Petros Zampakis, Panagiotis Zis, Apostolos Karantanas, Michail Karygiannis, Georgios Karydas, Eleni Korompoki, Konstantinos Makaritsis, Konstantinos Marmagkiolis, Haralambos Milionis, Dimos Mitsikostas, Dimitrios Nikas, Androniki Plomaritoglou, Maria Politi, Nikolaos Ptochis, Christos Savopoulos, Konstantinos Takis, Nikolaos Tsamopoulos, Dimitrios Tsetis, Adam Hatzidakis, Achilleas Chatziioannou, Apostolos Hatzitolios, Konstantinos Vemmos
This document presents the consensus recommendations of the Hellenic Stroke Organization which can be of assistance to the treating stroke physicians.
November 17, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29148900/combined-interventional-and-surgical-treatment-of-tandem-middle-cerebral-artery-embolus-and-internal-carotid-artery-occlusion-case-report
#18
Mark B Frenkel, Jaclyn J Renfrow, Jasmeet Singh, Nitin Garg, Stacey Q Wolfe
Tandem internal carotid artery (ICA) origin occlusion and middle cerebral artery (MCA) thromboembolism is a life-threatening condition with poor neurological outcome. The authors report on a patient presenting with acute ischemic stroke from a tandem ICA and MCA occlusion with penumbra. Emergency MCA mechanical thrombectomy was performed through percutaneous cervical ICA access due to the inability to cross the cervical carotid occlusion. Emergency carotid endarterectomy to reperfuse the poorly collateralized hemisphere and repair the ICA access site was performed 2 hours after completion of tissue plasminogen activator (tPA) infusion...
November 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29148038/visual-field-defect-after-ischemic-stroke-impact-on-mortality
#19
K M Sand, H Naess, L Thomassen, J M Hoff
OBJECTIVES: We aimed to investigate the impact of visual field defects (VFD) on mortality in ischemic stroke patients. MATERIALS AND METHODS: All patients with acute infarction and a clinically detected VFD from February 2006 to December 2013 in the NORSTROKE Registry (n = 506) were included and compared with ischemic stroke patients with normal visual fields (n = 2041). A record of patients who had died per ultimo April 2015 was obtained from the central registry at Haukeland University Hospital...
November 17, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/29147957/mobilization-of-endothelial-progenitor-cell-in-patients-with-acute-ischemic-stroke
#20
Yushuang Deng, Jian Wang, Guiqiong He, Fei Qu, Min Zheng
Endothelial progenitor cells (EPCs) have important effect in tissue repair in ischemic organs. The present study was conducted to demonstrate the mobilization of EPCs and its possible mechanism after acute ischemic stroke (AIS). A total of 148 individuals were examined, including 106 patients with ischemic stroke and 42 healthy controls. Seventy-one patients with imaging-confirmed AIS were examined at days 1, 7, 14, and 21 after stroke onset. Circulating EPCs were quantified by flow cytometry using CD133 and KDR surface markers...
November 16, 2017: Neurological Sciences
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