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Background and Aim: Aphasia is common symptom after acute stroke with a prevalence in earlier studies between 21 - 38% .In Iran unfortunately no investigation has been reported on the prevalence of aphasia .So the main aim of this study was to investigate the frequency of aphasia after stroke at hospitals affiliated to Tehran University of medical sciences (TUMS).

 aterials and Methods: This study is a cross-sectional design and has been done on 30 patients with brain injury who admitted to TUMS hospitals during three months. The Mississippi Aphasia Screening Test (MAST) was used to screening aphasia patients.

Results: The descriptive results indicated, from 22 patients with CVA five cases (22.7%) were aphasic. Mean age of aphasic patients (69.6 years) was more than non-aphasic patients (49.24 years) and of five aphasic patients, three cases (60%) were male and two of them (40%) were female. Also, regarding background diseases, four of five (80%) aphasic patients had history of high blood pressure and diabetes. 

Conclusion: Results of this study was consistent with prevalence of aphasia in last studies. Also results of this study confirmed other studies based on that etiology of lesion, age, and high blood pressure and diabetes history of the patients plays an important role in prevalence of aphasia.

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Background and Aim: The aim of this study was to collect and review Aphasia screening test s for speech- language pathologists .

  

Materials and Methods : Searching was done in databases of MEDLIN, SID, Magiran, IRAN MEDEX and 5 site of ASHA, Pub Med, Google Scholar, Science Direct , and Web of Science from 1949 to 2012 , and Screening tests were collected and reviewed on the basis of time of composition, subtests ,validity, and reliability.

  

Results: In this study, 14 screening tests were identified. The maximum number of items were ( 72 subtests) for screening test and the minimum number of test items were ( 4 subtests) for Franchay Aphasia Screening test (FAST). The latter is the first test which evaluated the areas of comprehension and writing in addition to reading and speech . The results indicated that 10 test s have one type of validity, and eight tests have reliability .

  

Conclusion: Considering the importance of the aphasia disorder and lack of a complete source for quick and easy identification of Aphasia, and also finding screening tests in this disorder in Persian language, the results of this study can be useful to familiarize speech and language therapists with this disorder. A pplication of these test s is recommended in various stages of rehabilitation .

  

Key words: Screening, Assessment, Stroke, Aphasia, Review article.