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1.
Acta pediatr. esp ; 65(6): 292-294, jun. 2007. ilus
Artigo em Es | IBECS | ID: ibc-055299

RESUMO

Los hemangiomas constituyen los tumores hepáticos vasculares más frecuentes durante la infancia. Casi siempre son de naturaleza benigna, y la mayoría de ellos se diagnostica casualmente, sin presentar relevancia clínica. Cuando son sintomáticos, se recomienda inicialmente realizar tratamiento médico con corticoides. Cuando falla el tratamiento médico en el control de los hemangiomas sintomáticos, deben aplicarse medidas más agresivas, como la ligadura de la arteria hepática, la embolización, la resección hepática, etc. Describimos el caso de un hemangioma hepático neonatal resistente al tratamiento médico, en el que se realizó exitosamente una ligadura selectiva de la arteria hepática


Hemangiomas are the most common type of hepatic vascular tumors in infants. They are nearly always benign, and most of them are diagnosed incidentally and have no clinical significance. When they produce symptoms, medical treatment, such as corticosteroid therapy, is initially recommended. If medical management fails to control symptomatic hemangiomas, they should be treated aggressively (by hepatic artery ligation, embolization, resection, etc.). We report the case of a hepatic hemangioma in a newborn infant that was resistant to medical treatment, but was successfully treated by selective hepatic artery ligation


Assuntos
Masculino , Recém-Nascido , Humanos , Hemangioma/patologia , Insuficiência Cardíaca/complicações , Neoplasias Hepáticas/patologia , Artéria Hepática/cirurgia , Ligadura
2.
An Pediatr (Barc) ; 65(3): 219-24, 2006 Sep.
Artigo em Espanhol | MEDLINE | ID: mdl-16956500

RESUMO

OBJECTIVE: To describe the clinical and radiological features, diagnosis, and treatment of an epidemic outbreak of tuberculosis in a daycare centre in Zaragoza. MATERIAL AND METHODS: The index case was a teaching assistant with a late diagnosis of bacilliferous tuberculosis. Mantoux testing was carried out in all children. In those with a positive Mantoux test, a chest X-ray was performed. Children with an abnormal chest X-ray underwent microbiological investigations. RESULTS: Among all the children in the daycare center, the Mantoux test was positive in 11 children. Chest X-ray was abnormal in 10 children. Of these, seven (70 %) were symptomatic. Chest X-ray showed dense opacification in nine children (90 %) and mediastinal lymph adenopathy in five (50 %). Three children (30 %) had lobar atelectasis requiring bronchoscopy and subsequent steroid therapy. Bacilloscopy was positive in only one child. Gastric juice culture was positive in seven children and the amplified Mycobacterium tuberculosis direct test was positive in a further seven. All microbiological investigations were negative in only one child. CONCLUSIONS: Establishing a definitive diagnosis of tuberculosis in children remains difficult and frequently relies on a constellation of clinical findings, radiology and epidemiology in children with a positive Mantoux test. The amplified Mycobacterium tuberculosis direct test has high sensitivity and provides fast results. Epidemic outbreaks continue to be frequent in Spain. Study of contacts shows high efficiency in controlling outbreaks.


Assuntos
Surtos de Doenças , Tuberculose Pulmonar/epidemiologia , Creches , Pré-Escolar , Humanos , Lactente , Espanha/epidemiologia , Tuberculose Pulmonar/diagnóstico , Tuberculose Pulmonar/tratamento farmacológico
3.
An. pediatr. (2003, Ed. impr.) ; 65(3): 219-224, sept. 2006. ilus
Artigo em Es | IBECS | ID: ibc-051213

RESUMO

Objetivo Describir la clínica, radiología, diagnóstico y tratamiento en los niños afectados por un brote de tuberculosis en una guardería de Zaragoza. Material y métodos El caso índice fue una cuidadora que fue diagnosticada tardíamente de tuberculosis activa. Se realizó Mantoux a todos los niños, a los positivos se hizo radiografía de tórax. En aquéllos con radiografía patológica se procedió al diagnóstico microbiológico. Resultados De todos los niños de la guardería, 11 presentaron un Mantoux positivo. La radiografía fue patológica en 10. De ellos, 7 (70 %) estaban sintomáticos. Las imágenes radiológicas mostraban en 9 (90 %) casos una condensación parenquimatosa y en 5 (50 %) una adenopatía parahiliar. Tres niños (30 %) presentaron atelectasia lobular y precisaron broncoscopia y administración posterior de corticoides. La baciloscopia fue positiva solamente en un niño, el cultivo en siete y la detección de muestra directa para el complejo tuberculosis en otros siete. Únicamente en un niño toda la investigación fue negativa. Conclusiones El diagnóstico de tuberculosis en la infancia es difícil, y a veces debe hacerse en base a unos criterios clínicos, radiológicos y epidemiológicos en niños con Mantoux positivo. Los test de detección de muestra directa para el complejo tuberculosis tienen una sensibilidad muy alta y proporcionan resultados muy rápidos. La aparición de brotes epidémicos continúa siendo un hecho frecuente en nuestro medio. El estudio de contactos en los mismos presenta un elevado rendimiento en el control de los brotes


Objective To describe the clinical and radiological features, diagnosis, and treatment of an epidemic outbreak of tuberculosis in a daycare centre in Zaragoza. Material and methods The index case was a teaching assistant with a late diagnosis of bacilliferous tuberculosis. Mantoux testing was carried out in all children. In those with a positive Mantoux test, a chest X-ray was performed. Children with an abnormal chest X-ray underwent microbiological investigations. Results Among all the children in the daycare center, the Mantoux test was positive in 11 children. Chest X-ray was abnormal in 10 children. Of these, seven (70 %) were symptomatic. Chest X-ray showed dense opacification in nine children (90 %) and mediastinal lymph adenopathy in five (50 %). Three children (30 %) had lobar atelectasis requiring bronchoscopy and subsequent steroid therapy. Bacilloscopy was positive in only one child. Gastric juice culture was positive in seven children and the amplified Mycobacterium tuberculosis direct test was positive in a further seven. All microbiological investigations were negative in only one child. Conclusions Establishing a definitive diagnosis of tuberculosis in children remains difficult and frequently relies on a constellation of clinical findings, radiology and epidemiology in children with a positive Mantoux test. The amplified Mycobacterium tuberculosis direct test has high sensitivity and provides fast results. Epidemic outbreaks continue to be frequent in Spain. Study of contacts shows high efficiency in controlling outbreaks


Assuntos
Lactente , Humanos , Surtos de Doenças , Tuberculose Pulmonar/epidemiologia , Creches , Espanha/epidemiologia , Tuberculose Pulmonar/diagnóstico , Tuberculose Pulmonar/tratamento farmacológico
4.
Rev Neurol ; 36(11): 1022-5, 2003.
Artigo em Espanhol | MEDLINE | ID: mdl-12808496

RESUMO

INTRODUCTION: The study of the structure in the arterial wall has been essential to use vessels in the coronary and cerebral bypass. The superficial temporal artery, owing to its high elastic content and its topography, close to the middle cerebral artery, has made possible the revascularization surgery in cerebral areas with ischemia. AIM. The purpose of this study is define the structure of the superficial temporal artery. MATERIAL AND METHODS: The material of the present study are 60 arteries from medico legal necropsies without apparent vascular pathology. Pieces were fixed in 10% formol, embedded in Paraplast, sectioned in sequence of 7 mm and were stained to detect elastic, collagen and reticulin fibers. Histochemical techniques have been done too. RESULTS: The superficial temporal artery shows a high elastic content, above all in the middle outer of the tunica media. The negative aspect is the great quantity of collagen in this tunica, that produces the progressive hardness of this vessel with the increase of the age. Histochemistry shows how the accumulation of acid mucosubstances interferes in the correct nourishing of the internal elastic membrane, that is disorganized in the cushions. CONCLUSION: The superficial temporal artery is an appropriate vessel to the coronary and cerebral bypass, due to its high elastic content in this tunica and the limitants. It have not been observed in our material zones without internal elastic membrane. Histochemistry shows abundant acid mucosubstances that difficult the nourishing in the arterial wall.


Assuntos
Artérias Temporais/anatomia & histologia , Revascularização Cerebral , Circulação Cerebrovascular , Colágeno/química , Ponte de Artéria Coronária , Histocitoquímica , Humanos , Artérias Temporais/patologia
5.
Rev. neurol. (Ed. impr.) ; 36(11): 1022-1025, 1 jun., 2003.
Artigo em Es | IBECS | ID: ibc-27642

RESUMO

Introducción. El estudio de la estructura de la pared arterial ha sido fundamental para la utilización de vasos en las derivaciones, tanto coronarias como cerebrales. La arteria temporal superficial (ATS), debido a su alto contenido elástico y su localización tan cercana a la arteria silviana, ha hecho posible intervenciones de revascularización en áreas cerebrales afectadas por la isquemia. Objetivo. El propósito de este estudio es definir la estructura de la ATS. Material y métodos. El material del presente estudio lo componen 60 arterias procedentes de autopsias medico-legales sin patología vascular aparente. Las piezas se fijaron en formol al 10 por ciento, se incluyeron en paraplast, se cortaron en serie a 7 µm y se tiñeron para detectar elastina, colágeno y reticulina. Además, se realizaron diversas técnicas histoquímicas. Resultados. La ATS presenta un alto contenido elástico, sobre todo en la mitad externa de la túnica media. Un dato negativo a tener en cuenta lo constituye la gran cantidad de colágeno en la túnica citada, que determina el endurecimiento progresivo de este vaso a medida que aumenta la edad del sujeto. La histoquímica demuestra que la acumulación de mucosustancias ácidas interfiere con la correcta nutrición de la membrana elástica interna (MEI), que se desorganiza, sobre todo en los cushions. Conclusión. La ATS es un vaso apropiado para las derivaciones coronarias y cerebrales, debido a su alto contenido elástico en su túnica media y limitantes. No hemos observado en nuestro material zonas carentes de MEI. La histoquímica demuestra la abundancia de mucosustancias ácidas que dificultan la nutrición de la pared arterial (AU)


Assuntos
Gravidez , Recém-Nascido , Feminino , Humanos , Efeitos Tardios da Exposição Pré-Natal , Fatores de Risco , Artérias Temporais , Complicações na Gravidez , Ponte de Artéria Coronária , Anticonvulsivantes , Circulação Cerebrovascular , Colágeno , Revascularização Cerebral , Anormalidades Induzidas por Medicamentos , Histocitoquímica , Epilepsia
6.
Rev Neurol ; 33(2): 111-4, 2001.
Artigo em Espanhol | MEDLINE | ID: mdl-11562867

RESUMO

INTRODUCTION: The cerebrovascular accidents are one of the most frequent causes of morbimortality. Most of them are caused for the break of aneurysms in communicating arteries. The weak structure of these vessels explain the reason of these accidents. OBJECTIVE: The reason of this paper is study the organization of communicating arteries as cause of this fragility. Material and methods. The material of this study is composed of 61 human cerebral communicating arteries, grouped in decades. The study has been carried out by histological routine. RESULTS: In general the structure of cerebral communicating arteries is characterized for the thinness and irregularity of the wall. In the childhood the internal elastic membrane and tunica media show thicker, while in young and adult people appear elastic fibers and reticulin as well as smooth muscle cells in tunica media. In adulthood (50 60 years) collagen in adventicia occupies tunica media, and adventicia is weaked. There are frequent media defects in these communicating arteries, that are usually repaired for conjunctive tissue stopper with abundance of collagen fibers. Starting from 4th decade the internal elastic membrane shows a great number of fenestrae through muscle and fiber tissue of media occupying subintimal space. Doubtless media defects mean the most severe threat of vascular outbreak. CONCLUSION: The structural evolution with the age of communicating arteries, with predominance of collagen over elastin and reticulin, could be their reason of fragility.


Assuntos
Artérias Cerebrais/ultraestrutura , Adulto , Fatores Etários , Idoso , Envelhecimento/metabolismo , Artérias Cerebrais/química , Criança , Pré-Escolar , Colágeno/análise , Tecido Elástico/ultraestrutura , Elastina/análise , Feminino , Humanos , Lactente , Aneurisma Intracraniano/etiologia , Masculino , Pessoa de Meia-Idade , Reticulina/análise , Acidente Vascular Cerebral/etiologia , Túnica Íntima/ultraestrutura , Túnica Média/ultraestrutura
7.
Rev. neurol. (Ed. impr.) ; 33(2): 111-114, 16 jul., 2001.
Artigo em Es | IBECS | ID: ibc-20816

RESUMO

Introduccción. Los accidentes cerebrovasculares son una de las causas más frecuentes de morbimortalidad. Buena parte de ellos son producidos por la ruptura de aneurismas de las arterias comunicantes. La débil estructura de estos vasos explica la razón de esos accidentes. Objetivo. El motivo del trabajo estriba en estudiar la organización de la arterias comunicantes como causa de esa fragilidad. Material y métodos. El material del presente estudio lo componen 61 arterias comunicantes cerebrales humanas, agrupadas por décadas. Las piezas siguen la rutina histológica. Resultados. La tónica general en la estructura de las arterias comunicantes cerebrales es la delgadez e irregularidad de su pared. En la infancia la membrana elástica interna (MEI) y la túnica media presentan mayor grosor. En el joven y adulto aparecen en la túnica media fibras elásticas y de reticulina amén de las musculares lisas. En la madurez (50-60 años) el colágeno adventicial ocupa la túnica media y la adventicia se debilita. Son frecuentes en estas comunicantes los denominados `defectos mediales', que suelen ser reparados mediante `tapones' de tejido conjuntivo, con abundancia de fibras colágenas. A partir de la cuarta década, la MEI presenta un buen número de fenestraciones, a través de las cuales el tejido fibroso y muscular liso de la media penetra hasta el espacio subintimal. Sin duda, los defectos mediales representan la amenaza más grave de estallido vascular. Conclusión. Con la edad, la evolución estructural de las arterias comunicantes, con predominio del colágeno sobre la elástica y reticulina, puede ser el motivo de su fragilidad (AU)


Assuntos
Pessoa de Meia-Idade , Pré-Escolar , Criança , Adulto , Idoso , Masculino , Lactente , Feminino , Humanos , Túnica Média , Reticulina , Acidente Vascular Cerebral , Aneurisma Intracraniano , Colágeno , Artérias Cerebrais , Fatores Etários , Envelhecimento , Elastina , Tecido Elástico , Túnica Íntima
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