Un estudio revela que los betabloqueantes no ofrecen beneficios tras infartos sin complicaciones

25 de mayo de 2026

Reportado por IA

Un importante ensayo internacional ha concluido que los betabloqueantes no aportan beneficios a los pacientes que sufren infartos sin complicaciones pero que conservan una función cardíaca normal. Los resultados del ensayo REBOOT cuestionan décadas de práctica médica estándar. Las mujeres que participaron en el estudio se enfrentaron a mayores riesgos al tomar estos fármacos.

El ensayo REBOOT incluyó a 8505 pacientes en 109 hospitales de España e Italia. Tras recibir el alta hospitalaria, los participantes fueron asignados aleatoriamente para recibir betabloqueantes o no recibirlos, mientras que todos recibieron la atención estándar moderna. Los investigadores realizaron un seguimiento durante una mediana de casi cuatro años y no encontraron ninguna reducción significativa en el riesgo de muerte, nuevos infartos o ingresos hospitalarios por insuficiencia cardíaca entre aquellos con la función cardíaca preservada.

Finerenone slows kidney decline in non-diabetic CKD trial; pooled analysis suggests broader benefits across CKD

8 de junio de 2026 Reportado por IA Imagen generada por IA Verificado por hechos

New data presented at the European Renal Association’s 63rd Congress in Glasgow and published in three major medical journals found that finerenone slowed kidney-function decline in adults with chronic kidney disease (CKD) without diabetes and reduced the risk of a combined kidney-and-cardiovascular outcome. A separate pooled analysis that combined results across finerenone studies also reported fewer kidney and heart-failure events in a broader CKD population.

Cochrane review questions benefits of anti-amyloid Alzheimer’s drugs

A major Cochrane review of 17 clinical trials involving over 20,000 participants has concluded that drugs targeting amyloid beta in the brain provide no meaningful benefits for patients with mild cognitive impairment or early Alzheimer’s. These treatments also raise the risk of brain swelling and bleeding. Researchers urge a shift to alternative pathways for future treatments.

Review finds GLP-1 drugs linked to lower risk of heart attack, stroke and death in high-risk patients

21 de mayo de 2026 Reportado por IA Verificado por hechos

A large review of cardiovascular outcome trials found that people taking GLP-1 receptor agonists—drugs that include semaglutide (sold as Ozempic)—had a lower risk of major heart-related events than those given placebo. The analysis pooled results from 11 trials involving more than 90,000 participants, with an average follow-up of nearly three years, and reported benefits across patient subgroups including those with and without diabetes.

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A large U.S. study has found that 27 percent of patients with resistant hypertension have hypercortisolism, an excess of the stress hormone cortisol. The MOMENTUM study, involving 1,086 participants across 50 centers, showed this condition is far more common than previously thought in those whose blood pressure remains high despite multiple medications. The discovery suggests screening for elevated cortisol could help explain treatment failures.

Slow breathing calms anxiety without mindfulness in mice study

8 de mayo de 2026 Reportado por IA

A new study shows that slowing breathing rates can reduce anxiety-like behaviors even without any conscious effort or belief in its effects. Researchers used mice to demonstrate that the benefits come from physiological changes rather than placebo. The findings were presented at a summit in Los Angeles earlier this month.

28 de mayo de 2026 16:59

Un estudio revela que los betabloqueantes no ofrecen beneficios tras infartos sin complicaciones

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