View clinical trials related to Stroke.
Filter by:Post-stroke sensorimotor recovery largely depends on ipsilesional and interhemispheric motor circuit reorganization. Transcranial direct current stimulation (tDCS) may be used to enhance after-effects of rehabilitation through membrane polarization modulation. In this double-blind, crossover randomized controlled trial, we aim to investigate whether single-session, bihemispheric tDCS to the primary motor cortex (M1) in combination with upper extremity rehabilitation therapy modulates ipsilesional motor circuit excitability using transcranial magnetic stimulation (TMS) and magnetoencephalography (MEG) measures.
Vascular endothelial growth factor (VEGF) and Endostatin (ES) participate angiogenesis after cerebral ischemia. Circulating endothelial progenitor cells (EPCs) also play a crucial role in neovascularization and tissue repair after acute ischemic stroke (AIS). The investigators sought to compare the expression of VEGF and ES in serum and the circulating EPCs in patients after AIS with that of healthy control subjects. The investigators obtained peripheral blood and serum samples from study subjects. EPCs in blood samples from AIS patients and healthy controls were quantified by flow cytometry 1 day, 3 days, 5 days and 7 days after AIS. VEGF and ES were measured by enzyme linked immunosorbent assay at the same time points. The relation between them and the relation of them to prognosis of such patients with acute ischemic stroke were assessed.
Stroke constitutes the primary cause of acquired disability in adults and the second cause of dementia following Alzheimer disease. It has been shown that patients with a moderate to severe clinical score have occlusion of brain large vessels, resulting in a worse clinical outcome. Many studies have demonstrated that early recanalization after IV rtPA is more restricted, the larger and more proximal the artery. Several systems for mechanical intracranial arterial thrombectomy of large trunks have recently been proposed and are now available. Potential advantages of these mechanical systems on chemical thrombolysis are speed (a few minutes versus 1 hour) and absence of thrombolytic injection. The objective of the EASI trial is thus to: - To validate intra-arterial thrombectomy use during the acute phase of cerebral stroke in patients treated with IV thrombolysis or in patients for whom thrombolysis is contra-indicated. - To determine whether a combined approach, standard treatment plus thrombectomy, is superior to standard treatment alone within 5 h of the appearance of symptoms, in patients with occlusion of proximal cerebral arteries following moderate to severe stroke (NIHSS larger than or equal to 8), evaluated at 3 months. The design is a randomized, controlled multicentric trial, with a parallel comparison between standard and combined (standard plus thrombectomy) treatment. 480 patients fulfilling eligibility criteria will be sufficient to demonstrate the primary hypothesis of a 15% difference in number of subjects with a favorable mRS (less than or equal to 2) at 3 months, with the assumption of a 25% efficacy for IV thrombolytic treatment at 3 months. IV thrombolysis is carried out according to standard practice. Mechanical thrombectomy is carried out with already approved devices, according to the manufacturer's instructions, following a diagnostic cerebral angiography. The primary efficacy endpoint is clinical: favorable mRS (less than or equal to 2) at 3 months. The primary safety endpoint is rate of death at 3 months and rate of symptomatic hemorrhage at 24 hours. If the primary hypothesis is validated, expected benefits of this study is a higher rate of autonomy for stroke patients with all the attendant consequences: reduction in hospital stays, and a faster return to the activities of daily life.
Patients after ischemic stroke are at high risk of recurrent cardiovascular events and of developing post-stroke complications. There is a substantial gap between risk factor management in real life and that recommended by international guidelines. Stroke Card is a multifaceted comprehensive post-stroke disease management program to detect and treat complications and optimize secondary prevention. The investigators hypothesize that, compared to standard care, Stroke Card will lead to an at least 33.3% risk reduction in recurrent cardiovascular events and improve health-related quality-of-life.
Three purpose of this study: 1. Increase diagnosis rate and formulate the flow of diagnosis and treatment of AF in ischemic stroke patients; 2. Evaluation on specificity and sensitivity of STAF score; 3. Analyze the pathogenesis of ischemic stroke and risk factors and establish clinical database and sample database of ischemic stroke.
The purpose of this study is to determine whether active stimulation of the affected hemisphere will be more effective than simulated current in treatment of stroke
Purpose 1. To validate 2 -day loop recording ( R.Test Evolution 4 ) to 2 -day Holter recording (gold standard) for the detection of atrial fibrillation of ≥ 30 seconds duration in a consecutive population of patients with stroke or transient ischemic attack (TIA). 2. To determine whether short run of atrial fibrillation (< 30s ) or the presence of many supraventricular extrasystoles detected on Holter recording, is associated with risk of re-stroke in a consecutive population of patients with stroke or TIA . 3. To test whether a 7-day Loop Recording (R -test) detects more patients with atrial fibrillation than 2 days of Holter recording in a consecutive population of patients with stroke or TIA.
This is a behavioral speech therapy trial for individuals who have suffered a stroke on the left side of the brain and have difficulty speaking. The name of this disorder is called "aphasia." Individuals in this study will receive one of two treatments. The first is a phonological (sound level) treatment and the second is a semantic (word level) treatment. Individuals in both groups will receive 60 hours of therapy for free (2 hours/day, 5 days/week, 6 weeks).
This proposed study aims to compare the effects of unilateral and bilateral transcutaneous electrical nerve stimulation (TENS). It will compare the effectiveness of bilateral TENS + task-oriented training (TOT) with unilateral TENS+TOTin improving muscle strength, co-ordination, dynamic standing balance, walking performance, and functional mobility in patients with chronic stroke. The null hypothesis will be that bilateral TENS+TOT and unilateral TENS+TOT are not significantly different in promoting the recovery of these functions.
Research topic. - A clinical trial of Danhong injection in treating acute ischemic stroke . Research purpose. - To evaluate the efficacy and safety of Danhong injection in treating acute ischemic stroke by a randomized, double-blind, multi-center, placebo-controlled clinical trial. Research design. - A randomized, double-blind, multi-center, placebo-controlled clinical trial. Subject crowd. - Accord with standard of western medicine diagnosis of acute cerebral infarction, stroke and blood stasis type of traditional Chinese medicine syndrome differentiation. Sample size. - Total sample size of 320 patients, experimental group, control group is equal to 1 to 1. Interim analysis. - Interim analysis will be performed when the total number of included patients up to half of the sample size ,160 cases, and according to the interim analysis results to estimate the sample size and adjust the project adaptively. Course of treatment. - 10 days. Research endpoint. - The 90th day after the medication for the first time. Observation index. 1. General condition; the physical and chemical inspection related; 2. Efficacy check : mRS, BI, NIHSS; 3. Safety check: blood routine, urine routine, stool OB, liver function(ALT、AST), renal function (BUN, Cr), coagulation four indices（PT、APTT、TT、FIB), electrocardiogram. Efficacy evaluation. 1. The main efficacy index: a. Percentage comparisons of two group patients of modified Rankin 0-2 grades on the 90th day. Statistical analysis technique. - Statistical analysis using SAS 9.2 system, all the statistical test adopted bilateral inspection, P value less than or equal to 0.05 will be considered a statistically significant difference.