Neumonia por Mycoplasma Pneumoniae
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Neumonía por Mycoplasma Pneumoniae
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Espectro Clínico y Radiológico del Mycoplasma Pneumoniae
Objetivos de la Revisión del Articulo:l.-Desarrollo de una estructura
adecuada del Dx de infección por M. Pneumoniae en Niños.
2.-Reconocimiento del patrón Reticulonodular.
3.- Identificar los hallazgos Clínicos y Correlacionarlos con los hallazgos Radiológicos.
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Neumonías Atípicas
Denominadas así desde l938, por Reimann y col.
“Traqueobronconeumonia con síntomas severos”
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Neumonías Atípicas
Patología respiratoria infecciosa que representa mayor compromiso del estado general respiratorio y que muestra disociación clínico radiológica
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Agentes Etiológicos de Neumonías Atípicas
Virus: Sincitial resp.,Parainfluenza l,2,3., Adenovirus, Influenza A,B.
Mycoplasma pneumoniae
Clamidias.
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Mycoplasma PneumoniaeCaracteristicas:
Bacteria que pertenece al genero -Mycoplasmataceae, menos de 350 Micras
-Capaz de vivir en medio acelular -De crecimiento lento (2-3 semanas) -Ultraestructura simple -Carece de pared Celular -Tiende a ser pleomorfica
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Mycoplasma PneumoniaeEpidemiologia
-Presentación Endémica-Epidémica-Áreas Urbanas, Países Desarrollados (Islandia y México)-Climas Templados, Otoño-Brotes cada 3 a 7 años-Prevalecía –Menores de la. 30% -2 a 9a 60% -Adultos mas del 90% (Ac) Periodo de Incubación de l0 a l4 días. -Causa frecuente de Neum. Adquirida en Com
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Mycoplasma PneumoniaeManifestaciones Clinicas Generales
Inicio gradual, síntomas inespecíficos
Decaimiento Fiebre Cefalea Tos seca inicial
Escalofríos mialgias Dolor toracico Nauseas-Vomito Dolor abdominal o
Diarrea. Pobre resp. a AB. Duración > Una
semana
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Mycoplasma PneumoniaeManifestaciones Respiratorias
S. Condensación F. Estertores Crep. Broncofonia Sibilancias 40%
Derrame Pleural Fibrosis P. Bronquiolitis
Obliterante Sind. De Dificultad
respiratoria del adulto.
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Mycoplasma PneumoniaeManifestaciones Extrarrespiratorias
Dermatológicas -Exantema m-p-e -Eritema multiforme -S.Stevens J. Anemia Hemolítica
grave Artritis migratoria
Miocarditis Pericarditis Encefalomielitis Oclusion Arterio-
vascular Pancreatitis
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Patron reticulonodular en 4 diferentes pacientes
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Patron Reticulonodular frontal y lateral de una paciente adolescente
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Patrones Intersticiales y parahiliares peribronquiales en 4 diferentes pacientes
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Patron Intersticial difuso y parahiliar peribronquial
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Linfadenopatia hiliar unilateral-Derecha
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Consolidación y Pseuconsolidacion
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Consolidación y Pseudoconsolidacion en un niño de 11años
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Progresion de infeccion por Mycoplasma en un niño
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Efusion Pleural
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Hallazgos RadiologicosEstudio de l20 casos -Conclusiones: Hallazgos variables Poco claros Patrón mas Común Reticulonodular
confinado a Un lobulo Lobulos inferiores + Afectados 80% Afectación Unilateral (derecha) 40% linfadenopatia hiliar 7% Pseudoconsolidacion y Consolidacion
Transitoria (formas confluentes intersticiales y Atelectasias) 33%
Efusión Pleural 5% Radiografías Normales 5%
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