Amenaza de aborto (16) Flashcards

1
Q

Clinica

A
  • Sangrado transvaginal
  • Dolor pelvico
  • Cervix sin actividad (cerrado)
    ** < 22 sdg
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2
Q

Clasificación

A
  • Temprano: < 14 sdg
  • Tardio: > 14 sdg
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3
Q

Incidencia

A

20 - 25% (1 de cada 5 embarazos)

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4
Q

Causa del más frecuente de los abortos

A

Anomalias cromosomicas fetales (50%)

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4
Q

Función de la β-GCH durante el embarazo temprano

A

Promover la secreción de progesterona por el cuerpo lúteo
**β-GCH baja = riesgo de amenaza de aborto se incrementa.

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5
Q

Efectos de la progesterona

A
  • Inmunosupresor para evitar rechazo de la placenta
  • Proliferación endometrial para implantación
  • Reduce las contracciones uterinas
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6
Q

Estudio dx de elección

A

USG transvaginal > abdominal
- Repetir de 7 a días

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7
Q

Caracteristicas USG de embarazo no viable

A
  • LCR > 7
  • SG > 25
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8
Q

Tx hormonal

A
  • < 12 sdg: HGC
  • > 12 sdg: 17α-hidroxiprogesterona
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9
Q

Aplicación de anti D

A
  • < 13 sdg: 50 a 150 ug IM
  • > 13 sdg: 300 ug IM
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10
Q

Seguimiento

A
  • Valoración clínica a las 48 horas
  • Medición seriada GCH-β cada 48-72 horas
  • USG transvaginal semanal.
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11
Q

Tx

A
  • Reposo hasta 48 hrs posterior al cese del sangrado
  • Suplemento con acido folico
  • Tx hormonal
  • Tocoliticos: atropina, hioscina
  • Coito interrumpido: semen libera prostaglandinas
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