Parotiditis2012
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Transcript of Parotiditis2012
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Es una infección viral contagiosa que
causa un agrandamiento doloroso de las
glándulas salivales, especialmente de las
parótidas.
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PAROTIDITIS
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1 serotipo, 2 Ag Soluble –NP
Ag Viral --HA
Glicoproteínas HA, NA, F
Proyecciones
Forma sincitios
Periodo de incubación: 2 a 4 sem
Vacuna
Distribución mundial
Reservorio--- Humano
Sensible al calor 56 0
C
Predomina en la infancia 5 – 14 años
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Contacto directo vía aérea gotas de saliva, objetos contaminados con orina
Puerta de salida Mucosa
respiratoria y bucal
Susceptible toda persona no vacunada
Fuente de infección durante todo el periodo
de invasión
PAROTIDITIS
30% asintomático
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2da viremia
Edema intersticial
Inflamación linfocitaria
Exudado PMN
Degeneración de las células conductos cuya
luz se encuentra obstruida
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Inmunidad
Inmunidad permanente
Ac S (aparece 3er 7mo día y a los 6 meses desaparece).
Ac H , Ac N, Ac F, Ac S, Ac V
Inmunidad PasivaMadre--- hijo, protege
6 meses
Ac V son mas lento aparece 4 sem pero persiste por mucho
tiempo
Persiste por años
Ig A Ig G persisten por periodos muy prolongados
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ETAPA CLINICA
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Tratamiento
• Analgesicos• Antipireticos
• Reposo ingesta de sustancias acidas y alimentos contaminados
Prevención• Vacuna antiparotidea
• Se recomienda desinfectar utensilios y fomites
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