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Arq. neuropsiquiatr ; 72(12): 942-948, 02/12/2014. graf
Article in English | LILACS | ID: lil-731032

ABSTRACT

Tourette syndrome (TS) and tic disorders represent events of familiar magnitude characterized by involuntary movements and/or vocalization. To determine the prevalence of TS/tic disorders we studied a sample of 762 subjects (388 M, 374 F), between 1992 and 1997, age 6 to 43 years old, taken out of a population of 10,155 subjects (4,918 M, 5,237 F; age: 3-56 years old). A structured 4-item questionnaire, direct interview (multistaged), >1 yr follow-up, were used. 9,565 subjects (4,614 M, 4,951 F) sent back the questionnaires, 3,354 of these (1,671 M, 1,683 F) with positive answers to tics. 42 subjects (31 M, 11 F, age: 7-21 years old, mean: 11 years old) met the DSM-III-R criteria. The total minimal prevalence of TS is 0.43%, with a 3:1 ratio male/female. The minimal prevalence of chronic tic disorder is 2.27%. The total minimal prevalence for tic disorders at all is 2.91%. No special education students participation.


Síndrome de Tourette e transtornos de tiques representam eventos de magnitude familiar caracterizados por movimentos involuntários e/ou vocalização. Para determinar a prevalência de TS/transtornos de tiques, estudamos uma amostra de 762 indivíduos (286 M, 376 F), entre 1992 e 1997, de 6 a 43 anos de idade, retirados de uma população de 10.155 indivíduos (4.918 M, 5.237 F, idade: 3-56 anos). Questionário de avaliação inicial (4 itens), entrevista direta, follow-up >1 ano, foram utilizados. 9.565 indivíduos (4.614 M, 4.951 F) retornaram seus questionários, 3.354 (1.671 M, 1.683 F), com respostas positivas para tiques. 42 sujeitos (idade 31 M, 11 F, 7-21 anos, média: 11 anos) preencheram os critérios diagnósticos do DSM-III-R. A prevalência total mínima para TS é de 0,43% (3 M:1 F), e para transtornos de tiques crônicos é de 2,27%. A prevalência total mínima para transtornos dos tiques é 2,91%. Nenhuma participação de estudantes de classe especial.


Subject(s)
Adolescent , Adult , Child , Female , Humans , Male , Young Adult , Tic Disorders/epidemiology , Age Distribution , Age Factors , Brazil/epidemiology , Prevalence , Sex Distribution , Surveys and Questionnaires , Tourette Syndrome/epidemiology
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