Síndrome de Bayés, accidente cerebrovascular y demencia
DOI:
https://doi.org/10.47487/apcyccv.v2i1.126Palabras clave:
síndrome de Bayés, bloqueo interatrial, fenómenos tromboembólicos, accidente cerebrovascular, demencia, anticoagulaci´ónResumen
El síndrome de Bayés es una entidad clínica que se define como la asociación entre la presencia de bloqueo interauricular avanzado (BIA-A), y el desarrollo de taquiarritmias supraventriculares (TSV), siendo la fibrilación auricular (FA), la más frecuente. Esta asociación salió a la luz con los estudios del Prof. Antoni Bayés de Luna en los años ‘80. Estudios realizados posteriormente por otros grupos encontraron una fuerte asociación entre este síndrome y la ocurrencia de fenómenos tromboembólicos, siendo el accidente cerebrovascular (ACV) el más grave. Del mismo modo, se documentó una asociación con deterioro cognitivo y demencia. Esto generó la pregunta acerca de si la terapia de anticoagulación previa a la documentación de FA podría prevenir la ocurrencia de tromboembolismos asociados al BIA-A y de esta manera preservar el estado cognitivo. Esta pregunta permanece, aún hoy, sin respuesta definitiva. Existen estudios en diferentes estadios de su desarrollo cuyo objetivo es comparar la efectividad de la anticoagulación en pacientes con BIA-A y sin FA documentada. Los resultados de los mismos permitirán establecer la efectividad de esta opción terapéutica temprana y, de manera conclusiva, definir si, para decidir anticoagular un paciente, la FA tiene que ser previamente documentada o no.
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