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Acta pediatr. esp ; 64(2): 57-60, feb. 2006. tab
Artigo em Es | IBECS | ID: ibc-044153

RESUMO

Objetivos: Analizar las características clínicas de los niños con aspiración de cuerpo extraño, sus complicaciones y su correlación con el retraso diagnóstico. Material y métodos: Estudio retrospectivo realizado en 136 niños con sospecha de aspiración de cuerpo extraño; el diagnóstico se confirmó en 118 casos tras su extracción con el broncoscopio. Se calculó la especificidad, sensibilidad, valor predictivo positivo y negativo de cada uno de los datos diagnósticos utilizados: antecedente de crisis de sofocación, sintomatología sugestiva de aspiración (tos, estridor) en niños previamente sanos, hallazgos de auscultación positivos (hipoventilación, sibilancias) y atrapamiento respiratorio en la radiografía de tórax. Resultados: La aspiración se debe, fundamentalmente, a cuerpos extraños orgánicos (84,7%), sobre todo frutos secos, con predominio por el árbol bronquial derecho (56,8%). Se produce casi siempre en el domicilio familiar mientras el niño come o juega. La crisis de sofocación es la prueba de mayor sensibilidad (91 %) y de mayor valor predictivo positivo (95%), aunque su especificidad (66%) y valor predictivo negativo (27%) sean menores. Los hallazgos clínicos y la radiología tienen mucha menos sensibilidad o especificidad y su utilidad se basa en la localización del cuerpo extraño. El diagnóstico se demoró más de 48 horas en más de la mitad de los casos. Conclusiones: El antecedente de crisis de sofocación en niños obliga a efectuar una broncoscopia. Las complicaciones durante (episodios de broncospasmo, edema subglótico y hemorragia bronquial por laceración) y tras la broncoscopia (atelectasias, neumonías y bronquiectasias) fueron mayores en pacientes con diagnóstico tardío


Objective: We analyze the clinical features and complications associated with foreign body aspiration in children, correlating them with delayed diagnosis. Methods: The records of 136 children who were admitted for suspected foreign body aspiration were reviewed retrospectively. Bronchoscopic retrieval of foreign bodies was successful in 118 children. We evaluated the sensitivity, specificity and positive and negative predictive values of the following diagnostic tools: history of choking episodes, symptoms (cough and stridor) in previously healthy children, positive auscultatory findings (hypoventilation, wheezing) and unilateral air trapping in chest radiography. Results: The aspirated material was organic (dried fruits) in most patients(84.7%), and right main bronchus was most often involved (56.8%). The aspiration almost always occurred at home, while the children were eating or playing. A choking episode is the most sensitive diagnostic Clue (91 %), and has the highest positive predictive value (95%), although its specificity (66%) and negative predictive value (27%) were lower. Clinical signs and symptoms and radiology are much less sensitive and specific, and their utility is mainly confined to the localization of the foreign body. The diagnosis was delayed more than 48 hours in over half of our patients. Conclusions: Bronchoscopy should by performed in all children who have had a choking episode. The complications during bronchoscopy(bronchospasm, subglottic edema and bleeding due to tracheal laceration) and afterwards( atelectasis, pneumonia and bronchiectasis) were related to the diagnostic delay


Assuntos
Masculino , Feminino , Criança , Humanos , Reação a Corpo Estranho/complicações , Reação a Corpo Estranho/diagnóstico , Sucção/métodos , Broncoscopia/métodos , Asfixia/complicações , Asfixia/diagnóstico , Corpos Estranhos/complicações , Corpos Estranhos/diagnóstico , Valor Preditivo dos Testes , Estudos Retrospectivos , Sensibilidade e Especificidade , Radiografia Torácica/métodos , Brônquios/lesões , Brônquios
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