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La vasectomía y el riesgo de cáncer de próstata
Brian Cox1, Mary J Sneyd, Charlotte Paul
1Hugh Adam Cancer Epidemiology Unit, Department of Preventive and Social Medicine, University of Otago Medical School, PO Box 913, Dunedin, New Zealand. brian.cox@stonebow.otago.ac.nz
JAMA
|June 19, 2002
Resumen
La vasectomía, un anticonceptivo masculino común, no aumenta el riesgo de cáncer de próstata. Este estudio no encontró ninguna asociación entre la vasectomía y el cáncer de próstata, incluso más de 25 años después del procedimiento.
Área de la Ciencia:
- Urología Urología Urología.
- Oncología Oncología.
- Epidemiología La epidemiología.
Sus antecedentes:
- La vasectomía es una forma ampliamente utilizada de anticoncepción masculina.
- Se han planteado preocupaciones con respecto a un posible vínculo entre la vasectomía y un mayor riesgo de cáncer de próstata.
Objetivo del estudio:
- Para investigar la asociación entre la vasectomía y el riesgo de desarrollar cáncer de próstata.
- Para determinar si la vasectomía influye en la incidencia del cáncer de próstata.
Principales métodos:
- En Nueva Zelanda se realizó un estudio nacional de casos y controles basado en la población.
- Se recopilaron datos de 923 casos de cáncer de próstata y 1224 controles de entre 40 y 74 años a través de entrevistas telefónicas.
- El riesgo relativo (RR) de cáncer de próstata se calculó para los hombres que se habían sometido a una vasectomía en comparación con los que no lo habían hecho.
Principales resultados:
- No se encontró una asociación estadísticamente significativa entre la vasectomía y el riesgo de cáncer de próstata (RR, 0.92; IC del 95%, 0.75-1.14).
- El tiempo transcurrido desde la vasectomía no alteró el riesgo (RR, 0.92; IC del 95%, 0.68-1.23 durante ≥25 años).
- Los ajustes por factores socioeconómicos, región geográfica, afiliación religiosa e historia familiar no cambiaron los resultados observados.
Conclusiones:
- La vasectomía no se asocia con un mayor riesgo de cáncer de próstata.
- Este hallazgo es válido incluso para los hombres más de 25 años después de la vasectomía.
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