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Ex Vivo Infection of Human Lymphoid Tissue and Female Genital Mucosa with Human Immunodeficiency Virus 1 and Histoculture
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Riesgo de transmisión del virus de la inmunodeficiencia humana de adultos heterosexuales con infecciones asociadas a
T A Peterman1, R L Stoneburner, J R Allen
1AIDS Program, Centers for Disease Control, Atlanta, GA 30333.
JAMA
|January 1, 1988
Resumen
La transmisión heterosexual del virus de la inmunodeficiencia humana (VIH) se produjo en algunos cónyuges a pesar de las relaciones sexuales sin protección. Sin embargo, la mayoría de las parejas permanecieron no infectadas, lo que sugiere variaciones biológicas en la susceptibilidad al VIH.
Área de la Ciencia:
- Epidemiología La epidemiología.
- Virología Virología.
- Salud Pública La salud pública.
Sus antecedentes:
- Las infecciones por el virus de la inmunodeficiencia humana (VIH) asociadas a la transfusión proporcionan un modelo único para estudiar la dinámica de transmisión.
- Comprender las rutas de transmisión es crucial para las intervenciones de salud pública y las estrategias de prevención.
Objetivo del estudio:
- Investigar el riesgo de transmisión del VIH entre los contactos familiares heterosexuales y casuales de personas con infecciones por VIH asociadas a la transfusión.
- Identificar los factores que influyen en la transmisión del VIH dentro de las unidades maritales y familiares.
Principales métodos:
- Se realizaron entrevistas con contactos heterosexuales y contactos familiares ocasionales de adultos con VIH asociado a la transfusión.
- Se analizaron muestras de suero para detectar la seropositividad del VIH entre los individuos expuestos.
Principales resultados:
- La seropositividad al VIH se encontró en el 8% de los esposos y el 18% de las esposas con contacto sexual con cónyuges infectados.
- Las esposas seropositivas eran mayores y reportaron menos contactos sexuales que las esposas seronegativas, aunque las diferencias no fueron estadísticamente significativas.
- No se observó evidencia de transmisión del VIH en otros 63 miembros de la familia.
- La infección se produjo en algunos individuos después de solo unos pocos contactos sexuales, mientras que la mayoría permaneció no infectada a pesar de la exposición repetida.
Conclusiones:
- La transmisión heterosexual del VIH es posible dentro de las relaciones matrimoniales, incluso con contacto sexual sin protección.
- Es probable que exista una variación biológica significativa en la transmisibilidad o susceptibilidad al VIH entre los individuos.
- Se necesita más investigación para dilucidar los mecanismos detrás de estas variaciones en el riesgo de transmisión del VIH.
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