Evaluation of reliability and validity of the Serbian Aphasia Screening Test.

PURPOSE: A rise in strokes worldwide means that the number of people affected by aphasia is increasing. Early and accurate diagnosis of aphasia is crucial for recovery. Presently, there are no dedicated screening tests tailored for evaluating aphasia in Serbian-speaking individuals. This paper presents and describes the psychometric properties of the Serbian Aphasia Screening Test (SAST), a novel aphasia screening tool designed specifically for Serbian speakers. This initiative fills the gap in aphasia assessment tools for the Serbian population, providing a comprehensive and culturally sensitive approach to the evaluation of language disorders. METHOD: Data using the SAST were collected from 240 participants: 120 Serbian speakers with aphasia after stroke compared to 120 neurotypical individuals. The assessment included the following subtests: conversation, verbal automatized sequences, auditory comprehension, visual confrontation naming, responsive naming, repetition of words, repetition of sentences, oral word reading, oral sentence reading, reading comprehension, and writing. The main objectives were to ascertain the psychometric qualities of the SAST, including inter-rater reliability of scoring, test-retest reliability, reliability of the individual subtests, overall test reliability, and inter-correlations among subtests. Additionally, the study evaluated the discriminatory capability of the SAST in distinguishing between individuals with aphasia and neurotypical controls, as well as between individuals with different types of aphasia. RESULTS: The findings revealed that the SAST has excellent inter-rater reliability, test-retest reliability, and internal consistency. There were statistically significant differences between individuals with aphasia and neurotypical controls on all SAST subtests. Furthermore, the study identified significant differences in language profiles among participants with different types of aphasia. The significant correlations between scores on the SAST and on the Boston Diagnostic Aphasia Examination (BDAE) suggest good convergent validity of the SAST. CONCLUSIONS: The results underscore the robust psychometric properties of this novel screening assessment (SAST) and its ability to effectively discriminate between diverse linguistic abilities within different aphasia syndromes in Serbian speaking individuals.

Meta-analysis and systematic review of the relationship between sex and the risk or incidence of poststroke aphasia and its types.

OBJECTIVE: To analyse and discuss the association of gender differences with the risk and incidence of poststroke aphasia (PSA) and its types, and to provide evidence-based guidance for the prevention and treatment of poststroke aphasia in clinical practice. DATA SOURCES: Embase, PubMed, Cochrane Library and Web of Science were searched from January 1, 2002, to December 1, 2023. STUDY SELECTION: Including the total number of strokes, aphasia, the number of different sexes or the number of PSA corresponding to different sex. DATA EXTRACTION: Studies with missing data, aphasia caused by nonstroke and noncompliance with the requirements of literature types were excluded. DATA SYNTHESIS: 36 papers were included, from 19 countries. The analysis of 168,259 patients with stroke and 31,058 patients with PSA showed that the risk of PSA was 1.23 times higher in female than in male (OR = 1.23, 95% CI = 1.19-1.29, P < 0.001), with a prevalence of PSA of 31% in men and 36% in women, and an overall prevalence of 34% (P < 0.001). Analysis of the risk of the different types of aphasia in 1,048 patients with PSA showed a high risk in females for global, broca and Wenicke aphasia, and a high risk in males for anomic, conductive and transcortical aphasia, which was not statistically significant by meta-analysis. The incidence of global aphasia (males vs. females, 29% vs. 32%) and broca aphasia (17% vs 19%) were higher in females, and anomic aphasia (19% vs 14%) was higher in males, which was statistically significant (P < 0.05). CONCLUSIONS: There are gender differences in the incidence and types of PSA. The risk of PSA in female is higher than that in male.

Prediction of Early Postoperative Language Function by Quantitative Evaluation with Visual and Auditory Naming Tasks during Awake Craniotomy for Brain Tumor Resection: Significance of Auditory Naming Task.

Language tasks for monitoring intraoperative language symptoms have not yet been established. This study aimed to examine whether the quantitative evaluation of language function with visual and auditory naming during awake craniotomy predicts early postoperative language function in patients. Thirty-seven patients with brain tumors in the language-dominant hemisphere were included. They underwent visual and auditory naming preoperatively and at the end of tumor resection for intraoperative evaluation. Using the Western Aphasia Battery, their overall language functions were evaluated preoperatively, early postoperatively (within 1 week), and late postoperatively (after 1 month). The preoperative and intraoperative changes in the visual and auditory naming scores were significantly correlated with most of the Western Aphasia Battery score changes between the preoperative and early postoperative evaluations, which was more remarkable for auditory naming. Multiple linear regression analysis showed that changes in the auditory naming score predicted the preoperative to early postoperative changes in the aphasia quotient of the Western Aphasia Battery. Receiver operating characteristics analysis showed a higher area under the curve or discriminative power for auditory than visual naming in predicting the development or exacerbation of aphasia in the early postoperative period. Considering the analyses applied separately for low- and high-grade glioma, auditory naming, which taps into a wider range of linguistic functions, may be more informative than visual naming as language evaluation in awake craniotomy for the early postoperative development of aphasia, especially for patients with high-grade glioma.

Alterações de linguagem em pacientes pós lesão encefálica adquirida na fase aguda / Language changes in patients after brain injury acquired in the acute phase

Caracterizar as alterações de linguagem encontradas em pacientes com lesão encefálica adquirida em fase aguda Métodos: Trata-se de uma pesquisa observacional, descritiva do tipo transversal. A avaliação foi realizada nas enfermarias de um hospital de urgências, com pacientes de idade superior a 18 anos, diagnóstico de lesão encefálica adquirida e tempo de internação de até 60 dias. O protocolo utilizado incluiu avaliação das praxias orais, expressão, compreensão da linguagem oral e leitura. Ao final, foi possível apresentar as hipóteses diagnósticas de afasias fluentes e não fluentes, disartria e sem alteração de linguagem. A análise dos dados foi realizada por meio de estatística descritiva através da distribuição de frequência absoluta e frequência relativa Resultados: A amostra foi composta por 24 pacientes sendo a maioria do gênero masculino, com média de idade de 51 anos. O diagnóstico de maior frequência foi Acidente Vascular Cerebral. Dos pacientes avaliados, 79% tiveram alterações de fala/linguagem. As hipóteses diagnósticas fonoaudiológicas encontradas foram: afasia global, afasia de broca, afasia transcortical mista, afasia de condução, afasia transcortical motora, afasia transcortical sensorial e disartria. Conclusão: A afasia global foi o transtorno de linguagem de maior ocorrência entre os indivíduos, bem como o gênero masculino e o acidente vascular cerebral. A avaliação da linguagem de pacientes com lesões encefálicas adquiridas na fase aguda é pertinente, pois promove o levantamento de alterações desde as perceptíveis até as mais discretas

To characterize the language disorders found in patients with brain injury acquired in the acute phase Methods: This is an observational, descriptive cross-sectional study. The evaluation was carried out in the wards of an emergency hospital, with patients aged over 18 years, diagnosed with acquired brain injury and hospitalization time of up to 60 days. The protocol used included assessment of oral praxis, expression, comprehension of oral language and reading. In the end, it was possible to present the diagnostic hypotheses of fluent and non-fluent aphasias, dysarthria and without language alteration. Data analysis was performed using descriptive statistics through the distribution of absolute frequency and relative frequency. Results: The sample consisted of 24 patients, most of whom were male, with a mean age of 51 years. The most frequent diagnosis was Cerebral Vascular Accident. Of the evaluated patients, 79% had speech/language disorders. The speech-language diagnostic hypotheses found were: global aphasia, drill aphasia, mixed transcortical aphasia, conduction aphasia, motor transcortical aphasia, sensory transcortical aphasia and dysarthria. Conclusion: Global aphasia was the most frequent language disorder among individuals, as well as males and stroke. The evaluation of the language of patients with brain injuries acquired in the acute phase is relevant, as it promotes the survey of changes from the perceptible to the most discreet

Determining levels of linguistic deficit by applying cluster analysis to the aphasia quotient of Western Aphasia Battery in post-stroke aphasia.

The aphasia quotient of Western Aphasia Battery (WAB-AQ) has been used as an inclusion criterion and as an outcome measure in clinical, research, or community settings. The WAB-AQ is also commonly used to measure recovery. This study aimed to quantitatively determine levels of the linguistic deficit by using a cluster analysis of the WAB-AQ in post-stroke aphasia (PSA). 308 patients were extracted from the database. Cutoff scores are defined by mean overlap WAB-AQ scores of clusters by systematic cluster analysis, the method of which is the farthest neighbor element, and the metrics are square Euclidean distance and Pearson correlation, performed on the full sample of WAB-AQ individual subitem scores. A 1-way analysis of variance, with post hoc comparisons conducted, was used to determine whether clusters had significant differences. Three clusters were identified. The scores for severe, moderate, and mild linguistic deficit levels ranged from 0 to 30, 30.1 to 50.3, and 50.4 to 93.7, respectively. For PSA, the cluster analysis of WAB-AQ supports a 3-impairment level classification scheme.

DIMA-fr: a French adaptation and standardization of the Dutch Diagnostic Instrument for Mild Aphasia (DIMA-nl).

The Dutch Diagnostic Instrument for Mild Aphasia (DIMA-nl) is a standardized battery recently created for evaluating the language performance of patients during the perioperative period of glioma surgery. Our aim was to establish normative data for the DIMA-fr, a French version of the DIMA-nl. The DIMA-nl was first adapted to French. The 14 subtasks of the DIMA-fr were then administered to 391 participants recruited from the general French population. The effects of sex, age and level of education were determined by analysis of variance (ANOVA). Normative data were computed as means, medians, standard deviations and percentiles. Our results demonstrated that age and level of education had an effect on the performance of all subtests but not sex. We thus stratified the norms into four different groups: (i) 18-69 years-old with Baccalauréat (Bac, the French High School Diploma) (n = 246); (ii) 18-69 years-old without Bac (n = 70); (iii) >70 years-old with Bac (n = 48); (iv) >70 years-old without Bac (n = 27). The DIMA-fr is thus the first standardized French battery of tests to specifically assess language during the perioperative period of awake glioma surgery. However, to be used in the clinic, the DIMA-fr must now be validated in patients. The DIMA, which is currently standardized in several languages, could become a reference tool for international studies.

Dutch Diagnostic Instrument for Mild Aphasia (DIMA): standardisation and a first clinical application in two brain tumour patients.

Brain tumour patients with mild language disturbances are typically underdiagnosed due to lack of sensitive tests leading to negative effects in daily communicative and social life. We aim to develop a Dutch standardised test-battery, the Diagnostic Instrument for Mild Aphasia (DIMA) to detect characteristics of mild aphasia at the main linguistic levels phonology, semantics and (morpho-)syntax in production and comprehension. We designed 4 DIMA subtests: 1) repetition (words, non-words, compounds and sentences), 2) semantic odd-picture-out (objects and actions), 3) sentence completion and 4) sentence judgment (accuracy and reaction time). A normative study was carried out in a healthy Dutch-speaking population (N = 211) divided into groups of gender, age and education. Clinical application of DIMA was demonstrated in two brain tumour patients (glioma and meningioma). Standard language tests were also administered: object naming, verbal fluency (category and letter), and Token Test. Performance was at ceiling on all sub-tests, except semantic odd-picture-out actions, with an effect of age and education on most subtests. Clinical application DIMA: repetition was impaired in both cases. Reaction time in the sentence judgment test (phonology and syntax) was impaired (not accuracy) in one patient. Standard language tests: category fluency was impaired in both cases and object naming in one patient. The Token Test was not able to detect language disturbances in both cases. DIMA seems to be sensitive to capture mild aphasic deficits. DIMA is expected to be of great potential for standard assessment of language functions in patients with also other neurological diseases than brain tumours.

Formal language assessment in low-educated persons with aphasia: can the lesion effect be distinguished from the education effect? / Avaliação da linguagem em pacientes afásicos com baixa escolaridade: o impacto da lesão neurológica pode ser discriminado da baixa escolaridade?

ABSTRACT Background: Language tests are important in the assessment and follow up of people with aphasia (PWA). However, language assessment in the low literacy population is still a challenge. Objective: To investigate whether a formal evaluation of aphasia is able to distinguish the neurological effect from the effect of low educational level in people with post-stroke aphasia. Methods: The sample consisted of a group of 30 aphasic subjects (AG) and a control group (CG) of 36 individuals, both with an educational level of 1-4 years. The Brazilian Montreal-Toulouse Language Assessment battery was applied to all subjects. Results: There were statistically significant differences between the groups in 19 out of the 20 tasks analyzed. Conclusions: These results suggest that formal evaluation procedures are able to detect language disorders resulting from stroke, even in subjects with low educational level.

RESUMO Antecedentes: Os testes de linguagem são importantes para a avaliação e o acompanhamento de pacientes afásicos. Apesar disso, a avaliação de linguagem em indivíduos com baixa escolaridade ainda é um desafio. Objetivo: Investigar se a avaliação formal da afasia é capaz de diferenciar o efeito da lesão neurológica versus o efeito da baixa escolaridade em pacientes afásicos, acometidos por acidente vascular cerebral (AVC). Métodos: A amostra foi composta de um grupo de 30 sujeitos afásicos (AG) e um grupo controle (CG) de 36 indivíduos, todos com um a quatro anos de escolaridade. A Bateria Montreal-Toulouse de Avaliação da Linguagem foi administrada a todos os participantes. Resultados: Das 20 tarefas analisadas, 19 apresentaram diferenças significativas entre os grupos. Conclusões: Os resultados sugerem que procedimentos formais de avaliação são capazes de identificar as alterações linguísticas ocasionadas por um AVC, também em pacientes com baixa escolaridade.

Clinical assessment and screening of stroke patients with aphasia: a best practice implementation project.

INTRODUCTION AND AIMS: As a critical form of stroke damage, aphasia negatively impacts stroke patients' return to society. Speech and language intervention has been found to assist in optimizing poststroke aphasia patient outcomes; consequently, early identification and diagnosis are vital for poststroke aphasia to ensure that patients receive the rehabilitation they require. This project aimed to promote evidence-based practice (EBP) in the assessment and screening of stroke patients with aphasia and to improve the clinical outcomes of patients who suffer from poststroke aphasia in a large tertiary hospital. METHODS: The current evidence implementation project was conducted in the neurology and rehabilitation departments of a tertiary hospital in China. Six audit criteria were developed for the baseline and follow-up audits. The project used the JBI PACES software, as well as JBI's Getting Research into Practice audit and feedback tool, to foster evidence-based healthcare in practice. RESULTS: Although the performance of all evidence-based criteria during the baseline audit was poor, barriers were identified through baseline, and the project team carried out and implemented developed strategies following Getting Research into Practice resources. All the criteria improved from baseline after the follow-up cycle, with four out of six criteria achieving a compliance rate of 100%, and two evidence-based criteria recorded at 73 and 80% compliance, respectively. CONCLUSION: The current project successfully increased EBP for the assessment and screening of stroke patients with aphasia. Further studies are needed to ensure the project's long-term sustainability.

Performance of the vision, aphasia, neglect (VAN) assessment within a single large EMS system.

BACKGROUND: There is limited evidence on the performance of emergent large-vessel occlusion (LVO) stroke screening tools when used by emergency medical services (EMS) and emergency department (ED) providers. We assessed the validity and predictive value of the vision, aphasia, neglect (VAN) assessment when completed by EMS and in the ED among suspected stroke patients. METHODS: We conducted a retrospective study of VAN performed by EMS providers and VAN inferred from the National Institutes of Health Stroke Scale performed by ED nurses at a single hospital. We calculated sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of VAN by EMS and in the ED for LVO and a combined LVO and intracerebral hemorrhage (ICH) outcome. RESULTS: From January 2018 to June 2020, 1,547 eligible patients were identified. Sensitivity and specificity of ED VAN were similar for LVO (72% and 74%, respectively), whereas EMS VAN was more sensitive (84%) than specific (68%). PPVs were low for both EMS VAN (26%) and ED VAN (21%) to detect LVO. Due to several VAN-positive ICHs, PPVs were substantially higher for both EMS VAN (44%) and ED VAN (39%) to detect LVO or ICH. EMS and ED VAN had high NPVs (97% and 96%, respectively). CONCLUSIONS: Among suspected stroke patients, we found modest sensitivity and specificity of VAN to detect LVO for both EMS and ED providers. Moreover, the low PPV in our study suggests a significant number of patients with non-LVO ischemic stroke or ICH could be over-triaged with VAN.

Desfechos de deglutição e alimentação associados à intubação orotraqueal e à traqueostomia em pediatria / Swallowing and feeding outcomes associated with orotracheal intubation and tracheostomy in pediatrics

RESUMO Objetivo verificar os desfechos de deglutição e alimentação de pacientes pediátricos submetidos à intubação orotraqueal (IOT) prolongada, considerando aqueles que evoluíram para traqueostomia após. Métodos estudo de coorte retrospectivo, realizado por meio da análise de prontuários de pacientes admitidos em Unidade de Terapia Intensiva Pediátrica e acompanhados até a alta hospitalar, entre março de 2017 e dezembro de 2018. Resultados dos 51 pacientes incluídos, 64,7% eram do gênero masculino e a mediana de idade foi de 6,7 meses. Pacientes submetidos à IOT por mediana de sete dias apresentaram disfagia orofaríngea (DOF) leve e, quando submetidos a mais de 14 dias, apresentaram DOF moderada/grave, distúrbio alimentar pediátrico (DAP) com características de recusa alimentar e contraindicação de alimentação por via oral na alta hospitalar. Dentre os pacientes, 74,5% foram submetidos apenas à IOT e 25,5% evoluíram para traqueostomia, após. Pacientes traqueostomizados apresentaram maior ocorrência de alta hospitalar com DOF moderada/grave, DAP com características de recusa alimentar e uso de via alternativa de alimentação, em comparação a pacientes sem traqueostomia (p=0,001). Comparado ao diagnóstico inicial, pacientes não traqueostomizados tiveram diagnóstico final com graus mais leves de disfagia (p<0,001). Conclusão o tempo de IOT e a presença de traqueostomia são fatores associados ao diagnóstico fonoaudiológico de DOF moderada/grave, à presença de sinais de DAP com características de recusa alimentar e à necessidade de via alternativa de alimentação, persistentes até a alta hospitalar, sendo achados fonoaudiológicos frequentes entre os desfechos de deglutição/alimentação em pediatria.

ABSTRACT Purpose To verify the swallowing and feeding outcomes of pediatric patients undergoing prolonged OTI, considering those who progressed to tracheostomy afterward. Methods Retrospective cohort study, carried out by analyzing the medical records of patients admitted to the Pediatric ICU and followed up until hospital discharge, between 03/2017 and 12/2018. Results Of the 51 patients included, 64.7% were male and the median age 6.7 months. Patients undergoing OTI for a median of 7 days had mild dysphagia and when submitted for more than 14 days had moderate/severe dysphagia and PFD with characteristics of food refusal, with contraindication to oral feeding at hospital discharge. 74.5% of the patients underwent OTI only and 25.5% progressed to tracheostomy afterward. Tracheostomized patients had a higher occurrence of hospital discharge with moderate/ severe oropharyngeal dysphagia, pediatric feeding disorder (PFD) with characteristics of food refusal and alternative method of feeding compared to patients without tracheostomy (p=0.001). Non-tracheostomized patients had a final diagnosis with milder degrees of dysphagia when compared to the initial diagnosis (p<0.001). Conclusion The time of OTI and the presence of tracheostomy are factors associated with the speech-language pathology diagnosis of moderate/severe oropharyngeal dysphagia, presence of signs of PFD with characteristics of food refusal and the need for an alternative method of feeding that persists until hospital discharge, being frequent findings among the swallowing/feeding outcomes in pediatrics.

Afasia global. Documentación de 3 años tratamiento desde la fase aguda a crónica / Global aphasia. Documentation of 3 years of treatment from acute to chronic phase

Aphasia as a sequel to stroke is present between 14-28% worldwide and in 20% in the Chilean population. The most serious form is called global aphasia, with a severe alteration of the comprehensive and expressive language, with a poor communicative prognosis and quality of life for the patient and families. The objective of this case is to describe the evolution of a person with global aphasia from the acute phase to 3 years of speech therapy treatment, who achieved a successful evolution of their language, communication and quality of life. This paper presented anamnestic data of the case, initial and systematic evaluation of linguistic functions and impact on quality of life, and the results that document its progress in 3 years. Also, this case is described dynamic person-centered treatment and methodology to start in the acute phase with severe compromise (aphasic cocient 6/100 Cutoff 93.8) and after 3 years improve to mild-moderate aphasia (76/100 points). Progress in vitality, communication, physical and psychosocial aspects and the mean quality of life score are described quantitatively. (AU)

A physician survey of poststroke aphasia diagnosis and treatment in China: SPEECH study.

ABSTRACT: The current status of the diagnosis and management of poststroke aphasia (PSA) in China is unknown.To analyze the physicians' strategy and knowledge about the management of PSA in clinical practice and the needs for standardization of diagnosis and treatment.This survey was conducted in March-August 2019 at 32 tertiary hospitals in 16 provinces/municipalities in China. The attending physicians from the Neurology and Neuro-rehabilitation/Rehabilitation Departments were included. The online questionnaire inquired about patient information, physicians' diagnosis and treatment behavior for PSA, and physicians' understanding of PSA.A total of 236 physicians completed the survey. Regarding PSA assessment, 99.2% of the physicians reported using medical history and physical examination, 93.2% reported using neuroimaging, and 76.3% reported using dedicated scales. Most physicians used a combination of drug and non-drug treatment. Neuro-regenerators/cerebral activators and anti-dementia drugs were the most common pharmacotherapies; butylphthalide, edaravone, and memantine were most frequently prescribed. Six months poststroke was rendered as a spontaneous language recovery period, and a ≥6-month treatment for PSA was suggested by many physicians. The lack of standardized treatment regimen/clinical guidelines and the limited number of approved drugs for PSA were the primary challenges encountered by physicians during practice. The majority of the physicians agreed with the necessity of guidelines or consensus for the diagnosis and treatment of PSA.The knowledge gaps exist among physicians in China regarding the assessment and management of PSA. The improved awareness of the available guidelines/consensus could improve the performance of the physicians.

Paramedic utilization of Vision, Aphasia, Neglect (VAN) stroke severity scale in the prehospital setting predicts emergent large vessel occlusion stroke.

BACKGROUND: Numerous stroke severity scales have been published, but few have been studied with emergency medical services (EMS) in the prehospital setting. We studied the Vision, Aphasia, Neglect (VAN) stroke assessment scale in the prehospital setting for its simplicity to both teach and perform. This prospective prehospital cohort study was designed to validate the use and efficacy of VAN within our stroke systems of care, which includes multiple comprehensive stroke centers (CSCs) and EMS agencies. METHODS: The performances of VAN and the National Institutes of Health Stroke Scale (NIHSS) ≥6 for the presence of both emergent large vessel occlusion (ELVO) alone and ELVO or any intracranial hemorrhage (ICH) combined were reported with positive predictive value, sensitivity, negative predictive value, specificity, and overall accuracy. For subjects with intraparenchymal hemorrhage, volume was calculated based on the ABC/2 formula and the presence of intraventricular hemorrhage was recorded. RESULTS: Both VAN and NIHSS ≥6 were significantly associated with ELVO alone and with ELVO or any ICH combined using χ2 analysis. Overall, hospital NIHSS ≥6 performed better than prehospital VAN based on statistical measures. Of the 34 cases of intraparenchymal hemorrhage, mean±SD hemorrhage volumes were 2.5±4.0 mL for the five VAN-negative cases and 17.5±14.2 mL for the 29 VAN-positive cases. CONCLUSIONS: Our VAN study adds to the published evidence that prehospital EMS scales can be effectively taught and implemented in stroke systems with multiple EMS agencies and CSCs. In addition to ELVO, prehospital scales such as VAN may also serve as an effective ICH bypass tool.

Sensibilidad y especificidad del Test ScreeLing en usuarios afásicos en etapa aguda: un análisis preliminar / Sensitivity and Specificity of the Spanish version of the ScreeLing Test in aphasic patients at the acute phase: a pilot study

En Chile, entre un 20% y un 38% de los usuarios que sufren un ataque cerebro-vascular (ACV) presentan afasia. Pese a su alta prevalencia no existen herramientas validadas que permitan realizar una caracterización lingüística temprana de la afasia. Por lo anterior, el objetivo del presente trabajo es analizar la sensibilidad y especificidad de la versión en español del ScreeLing en una muestra de usuarios afásicos después de producido un ACV. Se trata de un estudio transversal analítico en el cual se aplicó el test ScreeLing a 13 usuarios afásicos tras primer evento de ACV en etapa aguda (< 6 semanas tras ACV) y a 56 adultos neurológicamente sanos. Adicionalmente, se evaluó el nivel comprensivo y el lenguaje espontáneo de usuarios con afasia, con la versión abreviada del Token Test y Escala de Severidad de la Afasia (ASRS). Se construyeron modelos mediante regresiones logísticas, obteniendo sus respectivas áreas bajo la curva ROC. Los resultados muestran que el equilibrio entre sensibilidad y especificidad para el puntaje global del test ScreeLing se estableció en 67 puntos, obteniendo una sensibilidad del 94,6% y especificidad del 100%. El área bajo la curva ROC alcanzó 0,99 (IC 95%: 0,97-1,00). En las subpruebas sintáctica y fonológica se alcanzó un puntaje de corte de 21 puntos, mientras que en la subprueba semántica se lograron 22 puntos. Se concluye que el ScreeLing en español posee una alta sensibilidad y especificidad para la detección de déficits lingüísticos post ACV similar a los resultados encontrados en la versión original del test en holandés. Esfuerzos futuros deben concentrarse en ampliar la muestra de usuarios afásicos con distintos perfiles de severidad.

In Chile, aphasia is present in 20% to 30% of stroke patients. Currently, speech and language therapists do not have a standardized test to characterize aphasic patients' linguistics disorders at the acute phase. The aim of this study iso analyze the sensibility and specificity of the Spanish version of the ScreeLing test in aphasic patient post-stroke at the acute stage. To do so, in a transversal study design, acute aphasic patients (< 6 weeks post-stroke) and healthy adults were evaluated with the Spanish version of the ScreeLing test. Additionally, language comprehension and spontaneous speech were assessed with the shortened version of the Token Test and the Aphasia Severity Rating Scale, respectively. We calculated the Area Under ROC Curve (AUC) to choose the cut-off that provided the best balance between sensibility and specificity. We included 13 aphasic patients and 56 healthy adults. The best balance between sensibility and specificity was found to be with 67 points, with a sensibility of 94,6% andspecificity of 100%. The AUC ROC was 0,99 (IC 95%: 0,97-1,00). For the subtest measuring syntax and phonology, the cut-off score was 21 points, and for the semantic subtest, 22 points. In conclusion, the Spanish version of the ScreeLing test, similar to its original Dutch version, demonstrated high specificity and sensibility to detect linguistic deficits in acute aphasic patients post-stroke. Future efforts aim to increase the sample size of patients considering differentlanguage severity profiles.

Adaptación y datos psicométricos de la versión chilena del Protocolo de Exploración de Habilidades Metalingüísticas Naturales en Afasia (MetAphAs) / Adaptation and psychometric data of the Exploration of Natural Metalinguistic Skills in Aphasia Protocol (MetAphAs) - Chilean version

RESUMEN Objetivo: El objetivo de este estudio fue adaptar transculturalmente el Protocolo de Exploración de Habilidades Metalingüísticas Naturales en Afasia (MetAphAs), contribuyendo a la aplicación futura del instrumento en la población afásica chilena. Método: la muestra corresponde a 72 individuos sanos de la región de Valparaíso, de 50 a 85 años. El Protocolo MetAphAs mide las habilidades metalingüísticas naturales y presenta los elementos básicos en los que debe basarse una exploración de la dimensión metacognitiva involucrada en el comportamiento verbal. La validez se verificó mediante el coeficiente alfa de Cronbach, incluidos los valores de cada una de las 6 secciones; las correlaciones entre las variables fueron analizadas por el coeficiente de Pearson. Resultados: el 64% de la muestra correspondió a mujeres y el 36% a hombres, con el mayor grupo de edad de participación de 61 a 70 años; se verifica una correlación adecuada entre las variables según el coeficiente de Pearson y los valores altamente positivos según el alfa de Cronbach. Conclusión: el uso del protocolo fue factible y relevante, con datos que demostraron una alta confiabilidad. Los resultados obtenidos y las ventajas indicadas alientan el uso de este tipo de instrumento como una opción viable para la validación en afásicos chilenos.

ABSTRACT Purpose: This study aimed to cross culturally adapt the Protocol for the Exploration of Natural Metalinguistic Skills in Aphasia (MetAphAs), contributing to the future application in the aphasic Chilean population. Method: The sample corresponds to 72 healthy subjects in the region of Valparaíso, between the ages of 50 to 85. The MetAphAs measures natural metalinguistic skills and presents the basic elements on which to base the exploration of the metacognitive dimensions involved in verbal behavior. The validity was ascertained by means of Cronbach's Alpha Coefficient, including the values of each of the 6 sections; the correlations between variables were analyzed by the Pearson coefficient. Results: We observed that 64% of the sample corresponded to the female and 36% to the male gender, with predominant age ranging from 61 to 70 years. We verified adequate correlation between the variables according to the Pearson coefficient, and highly positive values according to Cronbach's Alpha. Conclusion: The use of the protocol is viable, with data demonstrating high reliability. The results evidenced high liability, which encourages the continuation process of its validation with Chilean aphasic population.

Brief Montreal-Toulouse Language Assessment Battery: adaptation and content validity

Background Evaluating patients in the acute phase of brain damage allows for the early detection of cognitive and linguistic impairments and the implementation of more effective interventions. However, few cross-cultural instruments are available for the bedside assessment of language abilities. The aim of this study was to develop a brief assessment instrument and evaluate its content validity. Methods Stimuli for the new assessment instrument were selected from the M1-Alpha and MTL-BR batteries (Stage 1). Sixty-five images were redesigned and analyzed by non-expert judges (Stage 2). This was followed by the analysis of expert judges (Stage 3), where nine speech pathologists with doctoral training and experience in aphasiology and/or linguistics evaluated the images, words, nonwords, and phrases for inclusion in the instrument. Two pilot studies (Stage 4) were then conducted in order to identify any remaining errors in the instrument and scoring instructions. Results Sixty of the 65 figures examined by the judges achieved inter-rater agreement rates of at least 80%. Modifications were suggested to 22 images, which were therefore reanalyzed by the judges, who reached high levels of inter-rater agreement (AC1 = 0.98 [CI = 0.96-1]). New types of stimuli such as nonwords and irregular words were also inserted in the Brief Battery and favorably evaluated by the expert judges. Optional tasks were also developed for specific diagnostic situations. After the correction of errors detected in Stage 4, the final version of the instrument was obtained. Conclusion This study confirmed the content validity of the Brief MTL-BR Battery. The method used in this investigation was effective and can be used in future studies to develop brief instruments based on preexisting assessment batteries.

Anti-NMDA receptor encephalitis presenting as isolated aphasia in an adult.

Anti-NMDA receptor (NMDA-r) encephalitis is a relatively rare cause of autoimmune encephalitis with divergent clinical presentations. We report a case of an adult patient with anti-NMDA-r encephalitis presenting with isolated, abrupt-onset aphasia. Her condition remained unaltered over a period of 6 months. The patients' electroencephalogram findings were typical for NMDA-r encephalitis; however, her magnetic resonance imaging and cerebrospinal fluid analysis were normal. She responded well to immunotherapy, and aphasia eventually resolved. The natural course of the present case contradicts the rapidly progressive nature of typical NMDA-r encephalitis. Furthermore, it broadens the clinical spectrum of anti-NMDA-r encephalitis, to incorporate isolated, nonprogressive aphasia.

Left Sylvian Fissure Epidermoid Cyst Presenting with Progressive Aphasia.

INTRODUCTION: Epidermoid cysts within the sylvian fissure are extremely rare. Expressive aphasia and neurocognitive dysfunction because of mass effect have never been reported previously. CASE PRESENTATION: We discuss the case of a 53-year-old male who presented with an acute episode of expressive aphasia and vision changes along with progressive headaches and cognitive slowing over the 2.5 years prior to presentation. A detailed neurologic examination revealed subtle conductive aphasia, as well as mild short-term memory dysfunction. Magnetic resonance imaging revealed a cystic mass consistent with epidermoid cyst within the left sylvian fissure. High-definition fiber tractography showed that the arcuate fasciculus was stretched by the tumor. A left frontotemporal craniotomy allowed for near-total excision of the cyst and led to rapid and complete resolution of symptoms. CONCLUSION: Although rare, epidermoid cysts of the dominant sylvian fissure can present with progressive aphasia due to mass effect on the arcuate fasciculus. Despite the long-standing symptoms, surgical resection can lead to their complete resolution.

Developing an Arabic Screening Test for Adult-Onset Chronic Aphasia.

AIM: To develop a time-efficient Arabic test battery for adult-onset chronic aphasia that provides information about the type and the severity of the disorder. PATIENT AND METHODS: A total of 90 participants were recruited and divided into 3 groups. The groups consisted of 30 adult-onset post-stroke chronic aphasic patients, 30 adult non-aphasic adults with central neurological disorders, and a group of 30 non-brain-damaged healthy adults. All participants were assessed using the Mansoura Arabic Screening Aphasia Test (MASAT), which consists of 4 main sections: (1) language expression abilities including repetition and naming items, (2) language comprehension questions, (3) fluency, and (4) reading, writing and calculation items. The content validity, internal consistency, clinical validity, and convergent validity of the MASAT were evaluated. RESULTS: The MASAT demonstrated statistically high reliability and validity. The high α-values in all subtotal scores among the 3 groups were judged to denote excellent intercorrelation among the screening test items. CONCLUSION: The MASAT is a valid and a reliable brief assessment tool that can be completed on the first clinic appointment that detects the type and severity of Arabic-speaking aphasic patients.