2012, Número 05-06
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Medicina & Laboratorio 2012; 18 (05-06)
Hiperaldosteronismo primario: el gran olvidado en pacientes con hipertensión de inicio temprano y de difícil control, enfoque y manejo
Alzate MDC, Vásquez MM
Idioma: Español
Referencias bibliográficas: 63
Paginas: 211-227
Archivo PDF: 848.59 Kb.
RESUMEN
el hiperaldosteronismo primario es una enfermedad que se caracteriza por la producción
autónoma en exceso de aldosterona, que tiene como resultado la supresión de los niveles de
renina, causando con frecuencia hipertensión arterial e hipokalemia. El hiperaldosteronismo
primario es más común de lo que se pensaba. La alta prevalencia, el daño que causa al sistema
cardiovascular y a los riñones, y el hecho de que un diagnóstico y tratamiento oportunos puedan
corregir la hipertensión y la hipokalemia, justifican la búsqueda del hiperaldosteronismo primario
en muchos pacientes con hipertensión. Cuando se sospecha hiperaldosteronismo primario, se
deben realizar pruebas de tamización; la prueba de elección es la relación entre la concentración
de aldosterona plasmática y la actividad de la renina plasmática. Posteriormente, se debe confirmar
el diagnóstico con alguno de los métodos disponibles, como la carga oral de sodio o la prueba
de infusión de solución salina, entre otros. Una vez se confirma el diagnóstico, el paso a seguir es
determinar el subtipo de hiperaldosteronismo primario, lo cual es importante para determinar el
tratamiento más adecuado. Finalmente, se deben hacer estudios de imaginología para identificar
posibles lesiones en las glándulas adrenales.
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