Enfermedad de los tics (síndrome de Gilles de la Tourette): características clínicas de 70 pacientes

Background: Tourette’s syndrome is a childhood-onset hereditary neurobehavioural disorder believed to occur without geographical restrictions. Although there have been reports of this disorder worldwide just a few are from Latin America. Aim: To report a preliminary experience with a series of 70 pa...

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Autores principales: Miranda C,Marcelo, Menéndez G,Pedro, David G,Perla, Troncoso Sch,Mónica, Hernández Ch,Marta, Chaná C,Pedro
Lenguaje:Spanish / Castilian
Publicado: Sociedad Médica de Santiago 1999
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spelling oai:scielo:S0034-988719990012000102000-04-05Enfermedad de los tics (síndrome de Gilles de la Tourette): características clínicas de 70 pacientesMiranda C,MarceloMenéndez G,PedroDavid G,PerlaTroncoso Sch,MónicaHernández Ch,MartaChaná C,Pedro Tourette Syndrome Tics, Obsessive-compulsive disorder Basal ganglia Background: Tourette’s syndrome is a childhood-onset hereditary neurobehavioural disorder believed to occur without geographical restrictions. Although there have been reports of this disorder worldwide just a few are from Latin America. Aim: To report a preliminary experience with a series of 70 patients and to review recent advances in this disorder. Patients and Method: We reviewed patients seen in pediatric and adult neurological clinics in Santiago, Chile, all of whom fulfilled clinical diagnostic criteria for Tourette Syndrome. Results: Seventy patients were studied, 54 males (77.1%) and 16 females (22.8%), their mean age at first evaluation was 13.6 years (range 2-46). The mean age of onset of symptoms was 6.4 (range 2-20), the mean time of follow-up was 3 years. Fifty-eight patients showed simple motor tics (blinking, facial grimacing, shoulder shrugging), whereas dystonic tics like head jerking were seen in 38 patients, torticollis in 6 and oculogyric movements in 2. Complex motor tics like jumping, antics, trunk bending and head shaking were present in 16 subjects. Vocal tics were predominantly of the simple type: sniffing, throat clearing, blowing, and whistling. Complex vocal tics were seen in 12 patients, five cases showed palilalia, 3 echolalia and only six displayed coprolalia (8.5%). Tics were of mild to moderate severity in most patients. Obsessive-compulsive disorder was observed in 22.8% and attention deficit and hyperactivity disorder were present in 35.7%. Forty-five patients (64.2%) had a first degree relative with tics, nine patients (12.8%) had a family history of obsessive-compulsive disorder. The current evidence involving desinhibition of cortico-striatum-thalamic-cortical neuronal circuits in the pathogenesis of this disorder is analyzed. Conclusion: Our report supports the recognized clinical homogeneity and genetical basis of Tourette’s syndrome regardless of geographical region and ethnic origin.info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.127 n.12 19991999-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98871999001200010es10.4067/S0034-98871999001200010
institution Scielo Chile
collection Scielo Chile
language Spanish / Castilian
topic Tourette Syndrome
Tics, Obsessive-compulsive disorder
Basal ganglia
spellingShingle Tourette Syndrome
Tics, Obsessive-compulsive disorder
Basal ganglia
Miranda C,Marcelo
Menéndez G,Pedro
David G,Perla
Troncoso Sch,Mónica
Hernández Ch,Marta
Chaná C,Pedro
Enfermedad de los tics (síndrome de Gilles de la Tourette): características clínicas de 70 pacientes
description Background: Tourette’s syndrome is a childhood-onset hereditary neurobehavioural disorder believed to occur without geographical restrictions. Although there have been reports of this disorder worldwide just a few are from Latin America. Aim: To report a preliminary experience with a series of 70 patients and to review recent advances in this disorder. Patients and Method: We reviewed patients seen in pediatric and adult neurological clinics in Santiago, Chile, all of whom fulfilled clinical diagnostic criteria for Tourette Syndrome. Results: Seventy patients were studied, 54 males (77.1%) and 16 females (22.8%), their mean age at first evaluation was 13.6 years (range 2-46). The mean age of onset of symptoms was 6.4 (range 2-20), the mean time of follow-up was 3 years. Fifty-eight patients showed simple motor tics (blinking, facial grimacing, shoulder shrugging), whereas dystonic tics like head jerking were seen in 38 patients, torticollis in 6 and oculogyric movements in 2. Complex motor tics like jumping, antics, trunk bending and head shaking were present in 16 subjects. Vocal tics were predominantly of the simple type: sniffing, throat clearing, blowing, and whistling. Complex vocal tics were seen in 12 patients, five cases showed palilalia, 3 echolalia and only six displayed coprolalia (8.5%). Tics were of mild to moderate severity in most patients. Obsessive-compulsive disorder was observed in 22.8% and attention deficit and hyperactivity disorder were present in 35.7%. Forty-five patients (64.2%) had a first degree relative with tics, nine patients (12.8%) had a family history of obsessive-compulsive disorder. The current evidence involving desinhibition of cortico-striatum-thalamic-cortical neuronal circuits in the pathogenesis of this disorder is analyzed. Conclusion: Our report supports the recognized clinical homogeneity and genetical basis of Tourette’s syndrome regardless of geographical region and ethnic origin.
author Miranda C,Marcelo
Menéndez G,Pedro
David G,Perla
Troncoso Sch,Mónica
Hernández Ch,Marta
Chaná C,Pedro
author_facet Miranda C,Marcelo
Menéndez G,Pedro
David G,Perla
Troncoso Sch,Mónica
Hernández Ch,Marta
Chaná C,Pedro
author_sort Miranda C,Marcelo
title Enfermedad de los tics (síndrome de Gilles de la Tourette): características clínicas de 70 pacientes
title_short Enfermedad de los tics (síndrome de Gilles de la Tourette): características clínicas de 70 pacientes
title_full Enfermedad de los tics (síndrome de Gilles de la Tourette): características clínicas de 70 pacientes
title_fullStr Enfermedad de los tics (síndrome de Gilles de la Tourette): características clínicas de 70 pacientes
title_full_unstemmed Enfermedad de los tics (síndrome de Gilles de la Tourette): características clínicas de 70 pacientes
title_sort enfermedad de los tics (síndrome de gilles de la tourette): características clínicas de 70 pacientes
publisher Sociedad Médica de Santiago
publishDate 1999
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98871999001200010
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