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Updated: Jul 16, 2026

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Single Cell Transfection in Chick Embryos
Published on: September 25, 2010
Embarazos después de la inyección intracitoplasmática de un solo espermatozoide en un ovocito
G Palermo1, H Joris, P Devroey
1Centre for Reproductive Medicine, Vrije Universiteit Brussel, Belgium.
Lancet (London, England)
|July 4, 1992
Resumen
La inyección intracitoplasmática de esperma (ICSI) ofrece esperanza para los casos de infertilidad donde otros métodos fallaron. Esta técnica condujo con éxito a embarazos y partos sanos en parejas con problemas graves de esperma.
Área de la Ciencia:
- La Medicina Reproductiva es una de ellas.
- Embriología Embriología.
- Genética La genética.
Sus antecedentes:
- La inyección intracitoplasmática de esperma (ICSI) es una tecnología avanzada de reproducción asistida.
- La ICSI se considera para casos de fallida fecundación in vitro (FIV) o inseminación subzonal (SUZI).
- Aborda la infertilidad debido a las características de los espermatozoides gravemente deterioradas.
Objetivo del estudio:
- Evaluar la eficacia de la ICSI en parejas con infertilidad por el factor masculino.
- Para evaluar la tasa de éxito de ICSI después de anteriores fracasos de IVF / SUZI.
- Para documentar los resultados del embarazo y los nacimientos vivos después de ICSI.
Principales métodos:
- La ICSI implicó la inyección directa de un solo espermatozoide en el ooplasma de 47 ovocitos de la metafase II.
- Se monitoreó la supervivencia de los ovocitos, las tasas de fertilización y el reemplazo de embriones.
- Se registraron los ciclos de tratamiento y los resultados posteriores del embarazo.
Principales resultados:
- De los 47 ovocitos inyectados, 38 permanecieron intactos y 31 fueron fertilizados con éxito.
- Se transfirieron 15 embriones al útero.
- Ocho ciclos de tratamiento dieron como resultado cuatro embarazos: dos solteros y uno gemelo, además de un aborto preclínico.
Conclusiones:
- La ICSI es un tratamiento eficaz para las parejas con infertilidad severa por factor masculino que no han tenido éxito con la FIV o SUZI.
- El procedimiento resultó en partos vivos, con dos niños sanos de embarazos de un solo hijo y un niño y una niña de un embarazo de gemelos.
- ICSI demuestra un potencial significativo para lograr embarazos exitosos en casos difíciles de infertilidad.
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