influenza colmed show
TRANSCRIPT
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IMAGENOLOGIA DE LA “INFLUENZA”Dr. Gerardo Sela Bayardo.
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24 AbrilCasos confirmados de Influenza A(H1N1)
Fuente: OMS
Estados Unidos
7 casos
México
18 casos
Países afectados: 2
Casos: 25
Fallecidos: 0
Fuente: OMS
2009
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2 MayoCasos confirmados de Influenza A(H1N1)
Fuente: OMS
Estados Unidos
160 casos
1 fallecido
México
397 casos
16 fallecidos
Costa Rica
1 caso
Reino Unido
15 casos
España
13 casos
Países Bajos
1 caso Dinamarca
1 caso
Francia
2 casos
Alemania
6 casos
Suiza
1 caso
Austria
1 caso
Israel
3 casos
Hong Kong
(China)
1 caso
Canadá
51 casos
Países afectados: 16
Casos: 658
Fallecidos: 17
Fuente: OMS
Republica
de Korea
1 caso
Nueva Zelanda
4 casos
2009
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20 MayoCasos confirmados de Influenza A(H1N1) según países
Fuente: OMS
Estados Unidos
5469 casos
6 fallecidos
México
3648 casos
72 fallecidos
El Salvador
6 casos
Costa Rica
9 casos
1 fallecido
Colombia
12 casos
Irlanda
1 caso
Reino Unido
102 casos
España
107 casos
Portugal
1 caso
Países Bajos
3 casos
Suecia
3 casos
Francia
15 casos
Alemania
14 casos
Austria
1 casoSuiza
1 caso
Italia
9 casos
Israel
7 casos
China
7 casos
Fuente: OMS
Países afectados: 41
Casos: 10250
Fallecidos: 80
Guatemala
3 casos
Rep. de Korea
3 casos
Dinamarca
1 caso
Polonia
2 casos
Nueva Zelanda
9 casos
Brasil
8 casos
Argentina
1 caso
Australia
1 caso
Japón
210
casos
Panamá
65 casos
Noruega
2 casos
Canadá
496 casos
1 fallecido
Tailandia
2 casos
Finlandia
2 casos
Cuba
3 casos
Bélgica
5 casos
Ecuador
8 casos
Perú 3
casos
India
1 caso
Turquía
2 casos Malasia
2 casos
Chile
5 casos
Grecia
1 caso
2009
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Hallazgos Rx. Pandemia 2009
850 sospechosos.
52 confirmados H1N1
81 % sintomaticos con PCR positivos.
29 % con anormalidades en CXR
17 % fallecieron.
6The British Journal of Radiology, June 2010
Radiology Case Reports, Vol 5, No 1 (2010)
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La Manifestaciones radiologicas.
No se puede diagnosticar influenza aviar con Rx.
El 91.5 % de los pacientes en la literatura tienen hallazgos RxTx.Positivos.
En algunos casos evolucionan al SDRA
Los pacientes se monitorean con RXTX
7NEUMOLOGÍA Y CIRUGÍA DE TÓRAX, Vol. 66, S1, 2007
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Lesiones pulmonares
Radiolucidas Radiopacas.
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Opacidades pulmonares.
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1. LINEAL
2. NODULAR
3. ALVEOLAR
4. RET-NODULAR
5. TUMORAL
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Patron Alveolar
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Opacidades % Vidrio despulido 69
Consolidacion 59
Broncograma 33
Parches 41
Confluentes 5
Derrame pleural 8
Distribucion Unilateral 38
Bilateral 62 Central 54
Periferica 21
Lesiones radiopacas
1. Lineales
2. Nodulares
3. Reticulonodulares
4. Alveolares
5. Tumorales.
Radiolucidas
11Radiology: Volume 255: Number 1—April 2010
Signos Radiologicos
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Hallazgos de imagen
Radiografia de torax. Tomografia computada
Normal
Opacidad vidrio despulido
Consolidaciones confluentes
Patron reticulonodular
Areas multifocales de consolidacion
Central o hiliar
Opacidad vidrio despulido
Consolidacion
Edema PBV subpleural
Consolidacion principalmente basal y central o hiliar
12RadioGraphics 2010; 30:327–333
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13RadioGraphics 2004;24:553-563
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14RadioGraphics 2004;24:553-563
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15RadioGraphics 2004;24:553-563
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RXTX inicial. Signos predictivos
La serie mas grande de hallazgos radiologicos es de 66 pacientes de los cuales solo se confirmo la etiologia en el 38 %.
16Am J Roentgenol 2009 ; 193 ( 6 ): 1488 – 1493)
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M 46 INFLUENZA
15 Dias
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Opacidad en vidrio despulido
18Radiology: Volume 246: Number 3—March 2008
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Consolidacion
20Radiology: Volume 255: Number 1—April 2010
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Consolidacion segmentaria
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Opacidades
Nodulares: Circulares < 3 cm. de diametro
Parches: Heterogeneas de distribucion anatomica o bronquial.
Nodular confluente: Opacidadesdiscretas o parcialmente confluentes.
23Radiology: Volume 255: Number 1—April 2010
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Derrame pleural es poco fr.
24The British Journal of Radiology, June 2010
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Enfisema intersticial
25RadioGraphics 2010; 30:327–333
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Pneumonia and Respiratory Failure from Swine-Origin Influenza A (H1N1) in Mexico
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n engl j med 361;7 august 13, 2009
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CMF
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CMF
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ISSSTECALI
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Fatal 2009 Influenza A (H1N1) Infection, Complicated by Acute Respiratory Distress Syndrome and Pulmonary Interstitial Emphysema
40 % pacientes hospitalizadospresentaban signos de neumonia(atipica) MEX
66 % pacientes hospitalizadosCalifornia presentaban signos de neumonia o SIRPA
35Radiology: Volume 255: Number 1—April 2010
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H1N1 en embarazadas.
16 pacientes embarazadas en 2009
Mortalidad del 4.25 % (N4)
Edad promedio de 25.8 años.
RX: Neumonia focos multiples.
37Rev Med Inst Mex Seguro Soc 2010; 48 (4): 399-404
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Conclusiones
Hay que conocer las manifestaciones radiologicas.
Correlacionarlas con el estado del paciente.
Si hay dudas o pobre correlacion solicitar TACAR
Los metodos de imagen sirven para :
Deteccion de anormalidades.
Valorar evolucion.
Detectar complicaciones.
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