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post stroke aphasia

Ronald Chu, Jed A Meltzer, Tali Bitan
Right-hemisphere involvement in language processing following left-hemisphere damage may reflect either compensatory processes, or a release from homotopic transcallosal inhibition, resulting in excessive right-to-left suppression that is maladaptive for language performance. Using fMRI, we assessed inter-hemispheric effective connectivity in fifteen patients with post-stroke aphasia, along with age-matched and younger controls during a sentence comprehension task. Dynamic Causal Modeling was used with four bilateral regions including inferior frontal gyri (IFG) and primary auditory cortices (A1)...
September 11, 2018: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
Sarah J Wallace, Linda Worrall, Tanya Rose, Guylaine Le Dorze, Caterina Breitenstein, Katerina Hilari, Edna Babbitt, Arpita Bose, Marian Brady, Leora R Cherney, David Copland, Madeline Cruice, Pam Enderby, Deborah Hersh, Tami Howe, Helen Kelly, Swathi Kiran, Ann-Charlotte Laska, Jane Marshall, Marjorie Nicholas, Janet Patterson, Gill Pearl, Elizabeth Rochon, Miranda Rose, Karen Sage, Steven Small, Janet Webster
Background A core outcome set (COS; an agreed, minimum set of outcomes) was needed to address the heterogeneous measurement of outcomes in aphasia treatment research and to facilitate the production of transparent, meaningful, and efficient outcome data. Objective The Research Outcome Measurement in Aphasia (ROMA) consensus statement provides evidence-based recommendations for the measurement of outcomes for adults with post-stroke aphasia within phases I-IV aphasia treatment studies. Methods This statement was informed by a four-year program of research, which comprised investigation of stakeholder-important outcomes using consensus processes, a scoping review of aphasia outcome measurement instruments, and an international consensus meeting...
October 10, 2018: International Journal of Stroke: Official Journal of the International Stroke Society
Sarah E Wallace, Elena V Donoso Brown, Anna Saylor, Erica Lapp
BACKGROUND: Upper extremity impairments post-stroke impact participation in valued occupations. Home programs are used to extend the frequency and amount of upper extremity practice for people post-stroke, but novel ways of increasing adherence to these programs is needed to ensure intense repetitive practice. OBJECTIVES: The purpose of this process evaluation, was to examine the perceptions of people with aphasia as it relates to modifications to home programs that could influence participation, specifically listening to music and aphasia-friendly adaptations of written materials...
October 8, 2018: Topics in Stroke Rehabilitation
Jing Guo, Mi Yang, Bharat B Biswal, Pu Yang, Wei Liao, Huafu Chen
Post-stroke aphasia (PSA), which refers to the loss or impairment of language, is typically caused by left hemisphere lesions. Previous neuroimaging studies have indicated that the pathology of PSA may be related to abnormalities in functional integration. In this study, we used resting-state functional magnetic resonance imaging (rs-fMRI) to examine functional connectivity density (FCD) in PSA. We compared short- and long-range FCD between individuals with PSA (n = 17) and healthy controls (HC, n = 20)...
October 6, 2018: Brain Topography
Meredith Fairbairn, Emily Wicks, Sabrina Ait-Ouali, Olivia Drodge, Dina Brooks, Maria Huijbregts, Diane Blonski
Purpose: Individuals with post-stroke aphasia (PSA) engage in inadequate levels of physical activity (PA), hindering physical and psychosocial recovery. The purpose of this study was to identify the extent to which community-based exercise programmes (CBEPs) in the Greater Toronto Area (GTA) are accessible to adults living with PSA and the characteristics of such programmes from the perspective of CBEP representatives. Methods: A cross-sectional, Web-based survey was administered to representatives of CBEPs open to adults post-stroke in the GTA to identify the CBEPs' relevant characteristics and perceived facilitators of and barriers to accessibility...
2018: Physiotherapy Canada. Physiothérapie Canada
Lena Mandl, Daniel Schindel, Johannes Deutschbein, Johann Frick, Liane Schenk
AIM: Evaluation of German-language guidelines for aphasia and dysarthria rehabilitation, and comparison with international guidelines. METHODS: The quality of the 6 included guidelines, as found through a comprehensive literature search, was sytematically evaluated using AGREE II. Quality ratings were compared to the results of a systematic review of 19 English-language guidelines. RESULTS: The quality of German-language guidelines was heterogeneous...
October 1, 2018: Die Rehabilitation
Louise Clancy, Rachel Povey, Karen Rodham
PURPOSE: Staff-patient communication in in-patient stroke settings is viewed as challenging for stroke survivors with aphasia and those supporting them. This study sought to explore these experiences from the perspectives of stroke survivors, their carers and healthcare professionals. METHODS: A qualitative study where stroke survivors with aphasia, carers and healthcare professionals were interviewed (audio-recorded) one-to-one or via focus group. Stroke survivors were at least 6 months post-stroke and had a self-reported mild to moderate level of post-stroke aphasia...
September 27, 2018: Disability and Rehabilitation
Emilie T McKinnon, Julius Fridriksson, Alexandra Basilakos, Gregory Hickok, Argye E Hillis, M Vittoria Spampinato, Ezequiel Gleichgerrcht, Chris Rorden, Jens H Jensen, Joseph A Helpern, Leonardo Bonilha
The types of errors during speech production can vary across individuals with chronic post-stroke aphasia, possibly due to the location and extent of brain damage. In this study, we evaluated the relationship between semantic vs. phonemic errors during confrontational naming, and their relationship with the degree of damage to ventral and dorsal white matter pathways extending beyond the necrotic stroke lesion. Based on the dual stream model of language processing, we tested the hypothesis that semantic errors would be associated with ventral stream damage, whereas phonemic errors would be associated with dorsal stream damage, but not vice-versa...
September 25, 2018: Scientific Reports
Ying Zhao, Matthew A Lambon Ralph, Ajay D Halai
Linking both structural lesions and the functional integrity of remaining brain tissue to patients' behavioural profile may be critical in discovering the limits of behavioural recovery post stroke. In the present study, we explored the relationship between temporal hemodynamic changes and language performance in chronic post-stroke aphasia. We collected detailed language and neuropsychological data for 66 patients with chronic (>1 year) post-stroke aphasia. We used principal component analysis to extract their core language-neuropsychological features...
2018: NeuroImage: Clinical
Fabiane Rodrigues da Silva, Ana Paula Machado Goyano Mac-Kay, John ChiiTyng Chao, Michele Devido Dos Santos, Rubens José Gagliadi
PURPOSE: Compare the results in naming tasks of after-stroke aphasic individuals divided into active and placebo groups pre- and post-transcranial direct current stimulation. METHODS: A double-blind, randomized, controlled study conducted with 14 individuals. Patients underwent five 20-min sessions with stimulation of 2mA's on consecutive days. The cathode was placed over the Broca's homologous area and the anode was placed over the supraorbital region of the left hemisphere...
August 30, 2018: CoDAS
Chiara Zavanone, Yves Samson, Céline Arbizu, Sophie Dupont, Didier Dormont, Charlotte Rosso
OBJECTIVES: To identify the critical brain regions associated with 7-days, 3 and 6-months aphasia severity using diffusion-weighted imaging (DWI) in acute post-stroke patients. MATERIALS AND METHODS: We performed a voxel-based ADC (Apparent Diffusion Coefficient) analysis to identify the critical brain areas correlated with aphasia at the acute (7-days outcome) and chronic stages (3 and 6-months). The location of these areas was compared with the trajectory of the dorsal (the arcuate fasciculus) and the ventral language pathways (the inferior fronto-occipital and the uncinate fasciculi)...
September 1, 2018: Brain and Language
Shuo Wang, Chun-Xue Wang, Ning Zhang, Yu-Tao Xiang, Yang Yang, Yu-Zhi Shi, Yi-Ming Deng, Mei-Fang Zhu, Fei Liu, Ping Yu, Gabor S Ungvari, Chee H Ng
Objective: Few studies have examined the association between post-stroke depression (PSD), aphasia, and physical independence in Chinese patients. This study investigated the above association in stroke patients in China at 3-month follow-up. Methods: Altogether 270 patients within 14 days after ischemic stroke were recruited and followed up at 3 months. PSD, aphasia, and physical functional status were measured using the Stroke Aphasia Depression Questionnaire (SADQ), Western Aphasia Battery (WAB), and modified Rankin Scale (mRS), respectively...
2018: Frontiers in Psychiatry
Chiara Zucchella, Marco Consilvio, Licia Iacoviello, Domenico Intiso, Stefano Tamburin, Roberto Casale, Michelangelo Bartolo
BACKGROUND: Considering the demographic trend, characterized by a marked aging due to the increase in life expectancy and the improvement in medical care, in the next future elderly patients will represent the majority of stroke victims with a strong impact on rehabilitative services. AIM: To investigate and characterize differences in functional outcome in elderly patients after stroke. DESIGN: Observational study. SETTING: Post-acute inpatient rehabilitation...
August 29, 2018: European Journal of Physical and Rehabilitation Medicine
Huey Fang Chang, Emma Power, Robyn O'Halloran, Abby Foster
BACKGROUND: Communication partners (CPs) find it challenging to communicate with people with communication disorders post-stroke. Stroke communication partner training (CPT) can enhance CPs' ability to support the communication and participation of people post-stroke. While evidence for the efficacy of aphasia-based CPT is strong, implementation in healthcare settings is unclear. AIMS: To investigate Australian speech pathologists' current stroke CPT practices, factors influencing the implementation of CPT and how reported practice compares with the research evidence...
August 27, 2018: International Journal of Language & Communication Disorders
Rose Y Hardy, Richard C Lindrooth, Richard K Peach, Charles Ellis
OBJECTIVE: Although residence is a key contributor to cost and utilization in stroke patient care, its contribution to the care of persons with aphasia (PWA) is unknown. The objective of this study was to use discharge-level hospital inpatient data to examine the influence of patient residence (rural vs urban) and race-ethnicity on service utilization and cost of care among PWA. DESIGN: Cross-sectional. SETTING: Administrative data from acute care hospitals in the state of North Carolina...
August 10, 2018: Archives of Physical Medicine and Rehabilitation
Kirstine Shrubsole, Linda Worrall, Emma Power, Denise A O'Connor
BACKGROUND: Effective implementation strategies to improve speech and language therapists' (SLTs) aphasia management practices are needed. Australian SLTs working in the acute setting have reported inconsistent implementation of post-stroke aphasia guideline recommendations. Therefore, implementation efforts to address these gaps are necessary. However, little is known about the effectiveness of behaviour-change strategies in SLTs providing acute aphasia management. AIMS: This study designed and tested the feasibility, acceptability and potential effectiveness of a tailored implementation strategy to improve acute SLTs' uptake of evidence in two areas of practice: aphasia-friendly information provision; and collaborative goal setting...
September 2018: International Journal of Language & Communication Disorders
Anna M Woollams, Ajay Halai, Matthew A Lambon Ralph
The primary systems framework has been used to relate behavioural performance across many different language activities to the status of core underpinning domain-general cognitive systems. This study provided the first quantitative investigation of this account at both behavioural and neural levels in a group of patients with chronic post-stroke aphasia. Principal components analysis was used to distil orthogonal measures of phonological and semantic processing, which were then related to reading performance and the underlying lesion distributions using voxel-based correlational methodology...
November 2018: Brain Structure & Function
Ana M Haro-Martínez, Genny Lubrini, Rosario Madero-Jarabo, Exuperio Díez-Tejedor, Blanca Fuentes
OBJECTIVE: To collect data to estimate the sample size of a definitive randomized controlled trial to evaluate the effects of Melodic Intonation Therapy in post-stroke nonfluent aphasia. DESIGN: A randomized, crossover, interventional pilot trial. SETTING: Departments of Neurology and Rehabilitation from a university general hospital. PARTICIPANTS: Stroke survivors with post-stroke nonfluent aphasia. INTERVENTIONS: Patients randomized to group 1 had treatment with Melodic Intonation Therapy first (12 sessions over six weeks) followed by no treatment; the patients in group 2 started active treatment between three and six months after their inclusion in the study, serving as waiting list controls for the first phase...
July 30, 2018: Clinical Rehabilitation
Sophe Kimonides, Marina G Cavuoto, Laksiri De Silva, Glynda J Kinsella
Background For long-term stroke survivors, objective neuropsychological impairments and subjective cognitive difficulties are common, and may contribute to ongoing difficulties in community reintegration. However, subjective cognitive complaints have been as much associated with low mood as with actual cognitive performance. Objective The objective of our study was to investigate the extent to which subjective cognitive complaints predicted community reintegration following a stroke, and whether this relationship would be mediated by emotional status...
July 24, 2018: Topics in Stroke Rehabilitation
Ajay D Halai, Anna M Woollams, Matthew A Lambon Ralph
There is an ever-increasing wealth of knowledge arising from basic cognitive and clinical neuroscience on how speech and language capabilities are organised in the brain. It is, therefore, timely to use this accumulated knowledge and expertise to address critical research challenges, including the ability to predict the pattern and level of language deficits found in aphasic patients (a third of all stroke cases). Previous studies have mainly focused on discriminating between broad aphasia dichotomies from purely anatomically-defined lesion information...
2018: NeuroImage: Clinical
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