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Andrew K Conner, Chad Glenn, Joshua D Burks, Tressie McCoy, Phillip A Bonney, Ahmed A Chema, Justin L Case, Scott Brunner, Cordell Baker, Michael Sughrue
The success of awake craniotomies relies on the patient's performance of function-specific tasks that are simple, quick, and reproducible. Intraoperative identification of visuospatial function through cortical and subcortical mapping has utilized a variety of intraoperative tests, each with its own benefits and drawbacks. In light of this, we developed a simple software program that aids in preventing neglect by simulating a target-cancellation task on a portable electronic device. In this report, we describe the interactive target cancellation task and have reviewed seven consecutive patients who underwent awake craniotomy for parietal and/or posterior temporal infiltrating brain tumors of the non-dominant hemisphere...
November 17, 2016: Curēus
Jose M Trejo-Gabriel-Galan, V Rogel-Melgosa, S Gonzalez, J Sedano, J R Villar, N Arenaza-Basterrechea
BACKGROUND: Hemineglect is frequent after right hemisphere stroke and prevents functional independence, but effective rehabilitation interventions are lacking. Our objective was to determine if a visual-acoustic alarm in the hemineglect arm activated by a certain discrepancy in movement of both hands can enhance neglect arm use in five tasks of daily living. METHODS: In this pre-post intervention study 9 stroke patients with residual hemineglect of the arm were trained for 7 days in five bimanual tasks of daily living: carrying a tray, button fastening, cutting food with knife and fork, washing the face with both hands and arm sway while walking...
2016: Journal of Neuroengineering and Rehabilitation
Laura Piccardi, Alessandro Matano, Giovanni D'Antuono, Dario Marin, Paola Ciurli, Chiara Incoccia, Paola Verde, Paola Guariglia
The aim of the present study was to verify if gender differences in verbal and visuo-spatial working memory would persist following right cerebral lesions. To pursue our aim we investigated a large sample (n. 346) of right brain-damaged patients and healthy participants (n. 272) for the presence of gender effects in performing Corsi and Digit Test. We also assessed a subgroup of patients (n. 109) for the nature (active vs. passive) of working memory tasks. We tested working memory (WM) administering the Corsi Test (CBT) and the Digit Span (DS) using two different versions: forward (fCBT and fDS), subjects were required to repeat stimuli in the same order that they were presented; and backward (bCBT and bDS), subjects were required to repeat stimuli in the opposite order of presentation...
2016: Frontiers in Behavioral Neuroscience
Sinae Ahn
[Purpose] The purpose of this study was to evaluate the relationships between daily activities, information processing, and motor skills in individuals with hemineglect after having a left hemiparetic stroke. [Subjects and Methods] The instrumental activities of daily living of 35 patients (22 male and 13 female; age: 57.1 ± 16.9 years) with hemineglect after having a left hemiparetic stroke were assessed by using three clinical measurement tools, including activity card sorting, assessment of motor and process skills, and the modified Barthel Index...
June 2016: Journal of Physical Therapy Science
Peter Vanacker, Dimitris Lambrou, Ashraf Eskandari, Pascal J Mosimann, Ali Maghraoui, Patrik Michel
BACKGROUND AND PURPOSE: Endovascular treatment (EVT) is a new standard of care for selected, large vessel occlusive strokes. We aimed to determine frequency of potentially eligible patients for intravenous thrombolysis (IVT) and EVT in comprehensive stroke centers. In addition, predictors of EVT eligibility were derived. METHODS: Patients from a stroke center-based registry (2003-2014), admitted within 24 hours of last proof of usual health, were selected if they had all data to determine IVT and EVT eligibility according to American Heart Association/American Stroke Association (AHA/ASA) guidelines (class I-IIa recommendations)...
July 2016: Stroke; a Journal of Cerebral Circulation
L Piccardi, L Magnotti, A Tanzilli, M Aloisi, P Guariglia
We developed a functional semi-structured scale to observe Hemineglect symptoms in Activities of Daily Living (H-ADL). The scale could assist clinicians in assessing rehabilitation priorities aimed at correcting any persisting errors or omissions. In addition, the scale could also be used by caregivers to observe patients' progress and improve their participation. Two groups of right brain-damaged patients (25 with hemineglect; 27 without hemineglect) were tested twice: at admission and before discharge from hospital...
November 2016: Applied Neuropsychology. Adult
Maryam Fourtassi, Gilles Rode, Caroline Tilikete, Laure Pisella
Spontaneous eye movements during imagery are not random and can be used to study and reveal mental visualization processes (Fourtassi et al., 2013; Johansson et al. 2006). For example, we previously showed that during memory recall of French towns via imagery healthy individuals looks straight ahead when recalling Paris and their subsequent gaze positions are significantly correlated with the real GPS coordinates of the recalled towns. This correlation suggests that memory retrieval is done via depictive representations as it is never found when the towns are recalled using verbal fluency...
April 26, 2016: Neuropsychologia
Bruno Fimm, Andrea Blankenheim
Research on the neural underpinnings of attention repeatedly revealed a predominant role of the right hemisphere for alertness and visuo-spatial attention. Furthermore, previous studies demonstrated an impairment of covert attentional orienting to the left with reduced alertness or time-on-task. However, recent and preliminary evidence suggests that this arousal-dependent attentional asymmetry cannot be observed in overt orienting. Thus, in the present study we repeatedly measured eye movements in experimental paradigms with varying attentional demands repeatedly every 4h over 24h in total in healthy subjects undergoing sleep deprivation...
November 2016: Neuropsychologia
Peter Vanacker, Mohamed Faouzi, Ashraf Eskandari, Philippe Maeder, Reto Meuli, Patrik Michel
BACKGROUND: Endovascular treatment for acute ischemic stroke with a large intracranial occlusion was recently shown to be effective. Timely knowledge of the presence, site, and extent of arterial occlusions in the ischemic territory has the potential to influence patient selection for endovascular treatment. We aimed to find predictors of large vessel occlusive strokes, on the basis of available demographic, clinical, radiological, and laboratory data in the emergency setting. METHODS: Patients enrolled in ASTRAL registry with acute ischemic stroke and computed tomography (CT)-angiography within 12 h of stroke onset were selected and categorized according to occlusion site...
March 15, 2016: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
Peter Vanacker, Mirjam R Heldner, Michael Amiguet, Mohamed Faouzi, Patrick Cras, George Ntaios, Marcel Arnold, Heinrich P Mattle, Jan Gralla, Urs Fischer, Patrik Michel
OBJECTIVES: Endovascular treatment for acute ischemic stroke with a large vessel occlusion was recently shown to be effective. We aimed to develop a score capable of predicting large vessel occlusion eligible for endovascular treatment in the early hospital management. DESIGN: Retrospective, cohort study. SETTING: Two tertiary, Swiss stroke centers. PATIENTS: Consecutive acute ischemic stroke patients (1,645 patients; Acute STroke Registry and Analysis of Lausanne registry), who had CT angiography within 6 and 12 hours of symptom onset, were categorized according to the occlusion site...
June 2016: Critical Care Medicine
Andrew J Smith, Ransom W Campbell, Patti Kelly Harrison, David W Harrison
BACKGROUND: The current case study presents a 43 year old African American woman admitted to a Tertiary Care Rehabilitation unit at a major medical center for concerns over left-sided anesthesia and weakness. Head scans indicate a right middle cerebral arterial distribution infarct altering blood flow in temporal, parietal, and occipital regions in the right cerebral hemisphere. OBJECTIVE: Physician and therapist reports (i.e., speech and occupational therapists) referred the patient for a neuropsychological evaluation for concerns over the patient's capacity to recognize the severity of her deficits and self-care, with potential rule-outs indicated by the extant literature on right CVA for anosognosia, anosodiaphoria, and left hemibody/hemispace neglect...
2016: NeuroRehabilitation
Se-Il Oh, Jin-Kyung Kim, So-Yeon Park
[Purpose] This study aimed to examine the effects of visual field with prism glasses, and intensive upper limb functional training on reduction of hemineglect and improvement in upper limb function and activities of daily living in three stroke patients with hemineglect. [Subjects] This study included three stroke patients hospitalized in a sanatorium. [Methods] Intervention treatment involving prism glass use for 12 hours and 30 minutes and paretic side upper limb training was conducted 5 days a week for 15 weeks...
December 2015: Journal of Physical Therapy Science
Laura Martínez-Rodríguez, Julio Pascual
No abstract text is available yet for this article.
July 15, 2016: Medicina Clínica
María Elena Lisalde-Rodríguez, José Antonio Garcia-Fernández
INTRODUCTION: Mirror therapy is a relatively new intervention, every time more used and with easy access for the rehabilitation treatment of stroke patient. The patient moves the unaffected limb in front of a mirror watching the reflection of that move as if he was moving de affected limb. AIM: To analyze the effectiveness of mirror therapy in the sensorimotor function, hemineglect and activities of daily living of stroke patients. DEVELOPMENT: We defined a strategy of bibliography search in Medline, EMBASE, PEDro y Cochrane Central Register of Controlled Trials (CENTRAL) looking for randomised controlled trials (RCT) conducted with hemiplegic patients considering mirror therapy as the main rehabilitation intervention...
January 1, 2016: Revista de Neurologia
Thorsten Jentzsch, Yannick Fritz, Patrick Veit-Haibach, Jürgen Schmitt, Kai Sprengel, Clément M L Werner
BACKGROUND: The minimally invasive, balloon-assisted reduction and cement-augmented internal fixation of the tibial plateau is an innovative surgical procedure for tibial plateau fractures. The close proximity of balloons and cement to the knee joint poses a potential risk for osteonecrosis; especially in the case of thin bone lamellae. However, there are no studies about the vitality of the cement-surrounding tissue after these tibioplasties. Therefore, our goal was to assess the osseous vitality after cement-augmented balloon tibioplasty using single photon emission computed tomography/computed tomography (SPECT/CT) in a series of patients...
November 17, 2015: BMC Medical Imaging
Wei Wang, Xiangtong Ji, Jun Ni, Qian Ye, Sicong Zhang, Wenli Chen, Rong Bian, Cui Yu, Wenting Zhang, Guangyu Shen, Sergio Machado, Tifei Yuan, Chunlei Shan
OBJECTIVE: To compare the effect of visual spatial training on the spatial attention to that on motor control and to correlate the improvement of spatial attention to motor control progress after visual spatial training in subjects with unilateral spatial neglect (USN). METHOD: 9 cases with USN after right cerebral stroke were randomly divided into Conventional treatment group + visual spatial attention and Conventional treatment group. The Conventional treatment group + visual spatial attention received conventional rehabilitation therapy (physical and occupational therapy) and visual spatial attention training (optokinetic stimulation and right half-field eye patching)...
2015: CNS & Neurological Disorders Drug Targets
Anna Katharina Krähenbühl, Jörg Baldauf, Susanne Guhl, Michael R Gaab, H W S W S Schroeder
BACKGROUND AND STUDY AIM: Intra- and paraventricular tumors are frequently associated with cerebrospinal fluid (CSF) pathway obstruction. Thus the aim of an endoscopic approach is to restore patency of the CSF pathways and to obtain a tumor biopsy. Because endoscopic tumor biopsy may increase tumor cell dissemination, this study sought to evaluate this risk. PATIENTS, MATERIALS, AND METHODS: Forty-four patients who underwent endoscopic biopsies for ventricular or paraventricular tumors between 1993 and 2011 were included in the study...
March 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
Julian Conrad, Maximilian Habs, Thomas Brandt, Marianne Dieterich
OBJECTIVES: Visuo-spatial neglect and vestibular disorders have common clinical findings and involve the same cortical areas. We questioned (1) whether visuo-spatial hemineglect is not only a disorder of spatial attention but may also reflect a disorder of higher cortical vestibular function and (2) whether a vestibular tone imbalance due to an acute peripheral dysfunction can also cause symptoms of neglect or extinction. Therefore, patients with an acute unilateral peripheral vestibular failure (VF) were tested for symptoms of hemineglect...
2015: PloS One
Glen R Finney
PURPOSE OF REVIEW: This article highlights the importance of integrated perceptual information (motor planning, sequencing, and representation) and discusses the integration of these cognitive domains by means of feedforward and feedback loops in the successful acquisition and execution of voluntary behaviors. The article also discusses the dysfunction in the perceptual-motor process that can occur with neurologic injury, resulting in apraxias, agnosia, hemineglect, and Balint syndrome...
June 2015: Continuum: Lifelong Learning in Neurology
Esmeralda Matute, Alfredo Ardila, Monica Rosselli, Jahaziel Molina Del Rio, Ramiro López Elizalde, Manuel López, Angel Ontiveros
A 74-year-old, left-handed man presented with a rapidly evolving loss of strength in his right leg associated with difficulty in walking. MR images disclosed an extensive left hemisphere tumor. A neuropsychological examination revealed that language was broadly normal but that the patient presented with severe nonlinguistic abnormalities, including hemineglect (both somatic and spatial), constructional defects, and general spatial disturbances; symptoms were usually associated with right hemisphere pathologies...
2015: Case Reports in Neurological Medicine
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