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Search Results: 1 - 10 of 406455 matches for " Mónica Troncoso Sch "
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Aciduria glutárica tipo I: una encefalopatía metabólica extrapiramidal Glutaric aciduria, type I
Mónica Troncoso Sch,Fernando Novoa S,Marta Colombo C,Ledia Troncoso A
Revista chilena de pediatría , 1995,
Abstract:
Tratamiento de espasmos masivos con ACTH sintético Treatment of infantile spasms with synthetic ACTH
Isabel Lopez S,Mónica Troncoso Sch,Ledia Troncoso A,Fernando Novoa S
Revista chilena de pediatría , 1991,
Abstract:
Neuritis óptica en ni?os: Experiencia clínica en 13 a?os
Siebert V,Alejandra; Troncoso Sch,Mónica; Ríos P,Loreto; Amarales O,Claudia; Troncoso A,Ledia;
Revista chilena de neuro-psiquiatría , 2009, DOI: 10.4067/S0717-92272009000300005
Abstract: background: in pediatric optic neuritis usually occurs after an infectious event, with papilledema, bilateral and with good prognosis, with a low incidence of conversion to multiple sclerosis. the aim of this paper is to present the clinical and laboratory characteristics of cases of optic neuritis in children. patients and methods: 10 clinical cases of optic neuritis in children and youth aged 5 to 17 years, referred between 1995 to 2007. results: the median age at presentation was 11 years. 8 cases were females. four cases with a history of respiratory infection, bilateral involvement in 8 of 10 patients and 5 cases of retrobulbar optic neuritis. magnetic resonance imaging showed t2 hyperintensity in the optic nerves affected in 5 patients. the study of cerebrospinal fluid was normal and oligoclonal bands in all cases. the cases treated with intravenous methylprednisolone had good recovery. two cases have multiple sclerosis. discussion: in this series of female patients predominated and limited history of previous infection. cases with multiple sclerosis showed no clinical differences, but more hyperintense lesions on magnetic resonance. the cases treated with methylprednisolone had good visual prognosis.
Neuritis óptica en ni os: Experiencia clínica en 13 a os Optic Neuritis in children: Clinic experience in 13 years
Alejandra Siebert V,Mónica Troncoso Sch,Loreto Ríos P,Claudia Amarales O
Revista Chilena de Neuro-Psiquiatría , 2009,
Abstract: Antecedentes: En pediatría la neuritis óptica generalmente se presenta después de un cuadro infeccioso, con edema de papila, que suele ser bilateral y tiene buen pronóstico. La conversión a esclerosis múltiple es baja. Nuestro objetivo es presentar las características clínicas y de laboratorio de casos de neuritis óptica en pediatría. Pacientes y Método: Se analizan 10 casos clínicos de neuritis óptica en ni os y jóvenes entre 5 y 17 a os, referidos entre los a os 1995 a 2008. Resultados: La edad media de la serie fue de 11 a os. 8 casos eran de sexo femenino; cuatro tenían antecedentes de infección respiratoria. En 8 de 10 pacientes el compromiso fue bilateral y 5 casos evolucionaron con neuritis óptica retrobulbar. La resonancia magnética mostró hiperintensidad en T2 en los nervios ópticos afectados en 5 pacientes. El estudio de líquido cefalorraquídeo y bandas oligoclonales fue normal en todos los casos. Los pacientes tratados con metilprednisolona endovenosa tuvieron buena recuperación. Sólo dos casos evolucionaron a esclerosis múltiple. Discusión: En esta serie predonimaron los pacientes de sexo femenino y el antecedente infeccioso fue poco frecuente. Los casos que evolucionaron a esclerosis múltiple no mostraron diferencias clínicas; sólo presentaron mayor cantidad de lesiones hiperintensas en la RM. Tuvieron mejor pronóstico visual los enfermos tratados con metilprednisolona. Background: In pediatric optic neuritis usually occurs after an infectious event, with papilledema, bilateral and with good prognosis, with a low incidence of conversion to multiple sclerosis. The aim of this paper is to present the clinical and laboratory characteristics of cases of optic neuritis in children. Patients and Methods: 10 clinical cases of optic neuritis in children and youth aged 5 to 17 years, referred between 1995 to 2007. Results: The median age at presentation was 11 years. 8 cases were females. Four cases with a history of respiratory infection, bilateral involvement in 8 of 10 patients and 5 cases of retrobulbar optic neuritis. Magnetic resonance imaging showed T2 hyperintensity in the optic nerves affected in 5 patients. The study of cerebrospinal fluid was normal and oligoclonal bands in all cases. The cases treated with intravenous methylprednisolone had good recovery. Two cases have multiple sclerosis. Discussion: In this series of female patients predominated and limited history of previous infection. Cases with multiple sclerosis showed no clinical differences, but more hyperintense lesions on magnetic resonance. The cases treated with methylpredni
Síndrome del ni o sacudido en Chile: Una forma más de maltrato infantil Shaken baby syndrome in Chile: Another form of child abuse
Francisca López A,Mónica Troncoso Sch,Patricia Parra V,Patricio Guerra G
Revista Chilena de Neuro-Psiquiatría , 2009,
Abstract: Introducción: El síndrome del ni o sacudido es la causa más común de muerte y da o neurológico severo en ni os maltratados. Caracterizado por encefalopatía aguda con hemorragias subduralesy retinianas, que ocurren en un contexto inadecuado o en una historia inconsistente. Las lesiones se explican por el mayor tama o de la cabeza del ni o, la debilidad de la musculatura cervicaly la abundancia de tejido encefálico no mielinizado que permite un excesivo estiramiento de los vasos sanguíneos asociado al mecanismo de injuria que implica aplicación de fuerzas rotacionales de aceleración-desaceleración. Nuestro objetivo es presentar las características clínicas de ni os ingresados a cuatro hospitales de Chile para así alertar al clínico hacia la sospecha y búsqueda del cuadro. Método: Análisis clínico e imagenológico de seis pacientes con criterios clínicos para síndrome del ni o sacudido, definido por la presencia de lesiones intracraneales o intraoculares como resultado de sacudidas, en el contexto de maltrato físico, en ni os menores de dos a os. Resultados: Seis casos, cuatro ni os, dos ni as. Edades entre 3 meses y 16 meses. Uno debutó con oftalmoparesia, cuatro con crisis convulsivas de los cuales uno ingresó en coma evolucionando grave hasta fallecer. Todos presentaban hemorragias retinianas. La Resonancia Magnética cerebral mostró en todos ellos colecciones subdurales de distinta data. El estudio de coagulopatías fue negativo en todos. Conclusión: El síndrome del ni o sacudido es una realidad en Chile y por su alta morbimortalidad se debiera insistir en la prevención de éste a todo nivel de la atención en salud. Introduction: The shaken baby syndrome is the most common cause of death and severe neurological damage in abused children. Characterized by acute encephalopathy with sub dural and retinal hemorrhages, which ocurr in inappropriate situations or an inconsistent story The lesions are due to the increased size of the child's head, weak neck musculature and the abundance of non-myelinated brain tissue that allows excessive stretching of blood vessels associated with the mechanism ofinjury that involves application of rotational forces of acceleration slowdown. Ourgoal is to presen tthe clinical features of children admitted tofour hospitals in Chile in order to alert the clinician to the suspicion and search box. Methods: Clinical and imaging analysis of six patients with clinical criteria for shaken baby syndrome, as defined by the presence of intracranial or intraocular injury as a result of shocks, in the context of physical abuse in children un
Enfermedad de los tics (síndrome de Gilles de la Tourette): características clínicas de 70 pacientes Tourette’s Syndrome: clinical review and analysis of 70 Chilean patients
Marcelo Miranda C,Pedro Menéndez G,Perla David G,Mónica Troncoso Sch
Revista médica de Chile , 1999,
Abstract: 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.
Enfermedad de los tics (síndrome de Gilles de la Tourette): características clínicas de 70 pacientes
Miranda C,Marcelo; Menéndez G,Pedro; David G,Perla; Troncoso Sch,Mónica; Hernández Ch,Marta; Chaná C,Pedro;
Revista médica de Chile , 1999, DOI: 10.4067/S0034-98871999001200010
Abstract: 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.
Síndrome del ni?o sacudido en Chile: Una forma más de maltrato infantil
López A,Francisca; Troncoso Sch,Mónica; Parra V,Patricia; Guerra G,Patricio; Carrera M,Jorge; Darrigrandi M,Oscar; Camelio R,Salvador; Nilo D,Karin; Gajardo S,Carlos;
Revista chilena de neuro-psiquiatría , 2009, DOI: 10.4067/S0717-92272009000400004
Abstract: introduction: the shaken baby syndrome is the most common cause of death and severe neurological damage in abused children. characterized by acute encephalopathy with sub dural and retinal hemorrhages, which ocurr in inappropriate situations or an inconsistent story the lesions are due to the increased size of the child's head, weak neck musculature and the abundance of non-myelinated brain tissue that allows excessive stretching of blood vessels associated with the mechanism ofinjury that involves application of rotational forces of acceleration slowdown. ourgoal is to presen tthe clinical features of children admitted tofour hospitals in chile in order to alert the clinician to the suspicion and search box. methods: clinical and imaging analysis of six patients with clinical criteria for shaken baby syndrome, as defined by the presence of intracranial or intraocular injury as a result of shocks, in the context of physical abuse in children under two years. results: six cases, four children, two girls. ages 3 months to 16 months. the first symptom in one child was ophthalmoparesis, four with seizures, one of which was admitted in severe coma until he died. all had retinal hemorrhages. brain magnetic resonance showed subdural collections in all of them with different data. the coagulation study was negative in all. conclusion: the shaken baby syndrome is a reality in chile and its high morbidity and mortality should place emphasis on prevention at all levels of health care.
Pesquisa etiológica en espasmos masivos An etiologic diagnose protocol in infantile spasms
Isabel López S,Mónica Troncoso Sell,Ledia Troncoso A,Marta Colombo C
Revista chilena de pediatría , 1991,
Abstract:
Embriopatía por isotretinoína: Un da?o evitable
Troncoso Sen,Mónica; Rojas H,Carla; Bravo C,Eduardo;
Revista médica de Chile , 2008, DOI: 10.4067/S0034-98872008000600012
Abstract: retinoic acid is a widely used drug in the treatment of cystic acné. it has teratogenic effects that depend on the gestational period in which it is used. we report a seven months of female whose mother was exposed to retinoic acid in both pregestational and gestational periods. she had a retardation of psychomotor development and a brain mri showed frontal atrophy and a malformation of the posterior fossa. we discuss the mechanisms ofthe teratogenic effeets of retinoic acid
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