Researchers presented three studies at the American Heart Association’s scientific sessions examining blood pressure control in high-risk populations. The findings highlighted both promising approaches and areas of uncertainty in managing hypertension among stroke survivors and people with type 2 diabetes.
The REDUCE trial, led by Jordana Cohen of the University of Pennsylvania, tested early use of spironolactone, a common and inexpensive diuretic, in stroke patients. When administered shortly after a stroke, the medication proved more effective than standard post-stroke care at achieving blood pressure reductions to less than 130/80 mm Hg within three months. Researchers noted that even modest blood pressure reductions of 7 mm have been associated with a 38% lower risk of recurrent stroke. Experts highlighted that approximately one-third of stroke patients fail to meet blood pressure targets, and that medication discontinuation remains a challenge after stroke.
The OPTIMAL-STROKE trial, conducted in Brazil and published in the New England Journal of Medicine, compared aggressive blood pressure reduction targeting systolic readings of 120 mm or lower against the currently recommended standard of less than 140 mm. Patients in the aggressive treatment group experienced significantly fewer deaths and cardiovascular events over four years. Close medical monitoring proved necessary, particularly regarding kidney function and electrolyte levels, though the study found no increase in serious kidney complications or dialysis requirements.
The related OPTIMAL-DIABETES trial, also published in the New England Journal of Medicine, produced different results. This study found that targeting a systolic blood pressure below 120 mm Hg in type 2 diabetes patients did not reduce major cardiovascular events or deaths compared to the standard goal of less than 140 mm Hg. Experts suggested the findings indicate that individualized approaches to blood pressure management in diabetes may be warranted rather than applying uniform targets across all patients.
A significant challenge identified by researchers involves coordinating care across medical specialties. Stroke patients often transition from neurological care in hospitals to primary care settings, complicating medication management and blood pressure monitoring. Experts emphasized that while treatment strategies are understood, implementing them effectively across fragmented care systems remains difficult.
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