نتایج جستجو برای: subacute stroke
تعداد نتایج: 140810 فیلتر نتایج به سال:
within-one-month (A) and 6-months (B) post-stroke timepoints. The patient was diagnosed with Right posterior caudate-putamen subacute stroke. Note marked improvements with time in the contralateral (L) side. Fig.1 (left): Within patient comparison of PVEc ASL CBFd images from the within-onemonth of the sub-acute stroke (2nd row) and 6months post-stroke (3rd row). The difference between the two ...
Background and Purpose—Sleep-disordered breathing (SDB) is frequent in stroke patients. Risk factors, treatment response, short-term and long-term outcome of SDB in stroke patients are poorly known. Methods—We prospectively studied 152 patients (mean age 56 13 years) with acute ischemic stroke. Cardiovascular risk factors, Epworth sleepiness score (ESS), stroke severity/etiology, and time of st...
BACKGROUND AND PURPOSE The clinical outcome is often poor in acute stroke patients with a serious neurological status due to occlusive lesions of the intracranial vertebral and/or basilar artery (IVBA). The purpose of this study was to investigate retrospectively the clinical features and outcome of acute stroke patients who underwent transluminal angioplasty and/or stenting (TAS) for occlusive...
OBJECTIVES Direct injury to the corticospinal tract (CST) is a major factor defining motor impairment after stroke. Diffusion tensor imaging (DTI) tractography allows definition of the CST. We sought to determine whether DTI-based assessment of the degree of CST damage correlates with motor impairment at each phase of ischemic stroke. METHODS We evaluated patients at the acute (3-7 days), sub...
BACKGROUND Grip strength, commonly evaluated with the handgrip dynamometer, is a good indicator of upper limb (UL) function in stroke subjects and may reflect the global strength deficits of the whole paretic UL. The Modified Sphygmomanometer Test (MST) also provides objective and adequate measures at low-cost. OBJECTIVE To assess whether grip strength values obtained by using the MST and tho...
BACKGROUND Aspirin resistance has been defined as inability of aspirin to protect individuals from thrombotic complications or to produce an anticipated effect from laboratory tests of platelet function. Most reported information comes from Western patients with coronary artery disease and aspirin resistance is defined by laboratory criteria. The purpose of the present study was to look for asp...
While motor recovery following mild stroke has been extensively studied with neuroimaging, mechanisms of recovery after moderate to severe strokes of the types that are often the focus for novel restorative therapies remain obscure. We used fMRI to: 1) characterize reorganization occurring after moderate to severe subacute stroke, 2) identify brain regions associated with motor recovery and 3) ...
It has been hypothesized that the coordinated activation of muscles is controlled by the central nervous system by means of a small alphabet of control signals (also referred to as activation signals) and motor modules (synergies). We analyzed the locomotion of 10 patients recently affected by stroke (maximum of 20 wk) and compared it with that of healthy controls. The aim was to assess whether...
Background and Purpose—Hemorrhagic transformation is frequently seen on CT scans obtained in the subacute phase of ischemic stroke. Its prognostic value is controversial. Methods—We analyzed 554 patients with acute ischemic stroke enrolled in the Multicenter Acute Stroke Trial–Italy (MAST-I) study in whom a second CT scan was performed on day 5. Presence of 1) intraparenchymal hemorrhages (hema...
PURPOSE To quantify the relative contributions of spin density and T2 effects ("shine through") on diffusion-weighted (DW) magnetic resonance (MR) images of acute and subacute cerebral infarction. MATERIALS AND METHODS In 30 patients, 1.5-T imaging was performed within the first 7 days after onset of cerebral infarction. Estimates of T2, spin density, and apparent diffusion coefficient (ADC) ...
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