SINDROME HEMOLITICO UREMICO Flashcards

1
Q

UNA DE LAS PRINCIPALES CAUSAS DE LRA EN NIÑOS

A

SHU

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2
Q

CAUSA MAS COMUN DE SHU

A

ASOCIADO A E. COLI PRODUCTORA DE TOXINA SHIGA

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3
Q

EDAD DE MAYOR PREVALENCIA

A

MENORES DE 5 AÑOS

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4
Q

BACTERIAS MAS ASOCIADAS AL SHU SECUNDARIO

A
  • E. COLI ENTEROHEMORRAGICA (70% DE LOS CASOS POST DIARREICOS)
  • SHIGELLA DYSENTERIAE
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5
Q

QUE LO PREDISPONE

A

EL CONSUMO DE CARNE CRUDA, AGUA/FRUTAS/VEGETALES CONTAMIDOS O LECHE NO PASTEURIZADA

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6
Q

MANIFESTACIONES CLINCIAS DEL PERIODO PRODROMICO

A

5-10 DIAS ANTES PRESENTAN DOLOR ABDOMINAL, DIARREA Y VOMITO

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7
Q

CUAL ES LA TRIADA CARACTERISTICA

A
  • ANEMIA HEMOLITICA MICROANGIOPATICA
  • TROMBOCITOPENIA
  • LESION RENAL AGUDA
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8
Q

ANEMIA HEMOLITICA MICROANGIOPATICA

A

LA DESTRUCCIÓN DE LOS ERITROCITOS NO ES INMUNE, LA HB SUELE SER < 8

COOMBS VA ESTAR NEGATIVO

EN FROTIS ESQUISTOCITOS

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9
Q

TROMBOCITOPENIA

A

SUELEN SER NIVELES < 140,000

NO ES COMUN SANGRAOD ACTIVO O PURPURA

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10
Q

LESION RENAL AGUDA

A

SE MANIFIESTA CON HEMATURIA, PROTEINURIA O INCLUSO ANURIA EN LRA SEVERA

HASTA EL 50% LLEGA A REQUERIR DIALISIS

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11
Q

CONFIRMACION DIAGNOSTICA

A
  • AGAR MC CONCKEY PARA E. COLI

- PCR EN HECES PARA DETECTAR TOXINAS SHIGA

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12
Q

TRATAMIENTO

A

NO HAY UN TRATAMIENTO DIRIGIDO, SOLO EN CASOS SEVEROS CON AFECCION A SNC SE INDICA LA PLASMAFERESIS

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13
Q

MANEJO GENERAL

A
  • ANEMIA: SE DEBE MANTENER HB ENTRE 8-9
  • TROMBOCITOPENIA: SOLO SE INDICA TRANSFUSION CON < 10,000
  • LIQUIDOS Y ELECTROLITOS
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14
Q

TX DE ELECCION PARA HIPERTENSION

A

CALCIO ANTAGONISTAS DIHIDROPIRIDINICOS (NIFEDIPINO)

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15
Q

CUANDO SE INDICA DIALISIS

A

CUANDO HAY ALTERACIONES ELECTROLITICAS SEVERAS, ANURIA, SINDROME UREMICO O SOBRECARGA HIDRICA

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