Key result
Intensive blood pressure control (SBP < 120 mmHg) may not improve outcomes in all populations, particularly the elderly and those with chronic kidney disease, due to hypotensive risks.
Why the study?
Universally lowering BP may adversely affect some populations, especially older patients, despite trials showing cardiovascular benefits of tight SBP control compared with recent targets.
Does intensive blood pressure control (SBP < 120 mmHg) compared to liberal targets improve outcomes safely across all hypertensive populations, including the elderly and those with CKD?
Does intensive blood pressure control (SBP < 120 mmHg) compared to liberal targets improve outcomes safely across all hypertensive populations, including the elderly and those with CKD?
Intensive blood pressure targets (SBP < 120 mmHg) should be individualized, as vulnerable populations like the elderly and those with CKD may face increased risks without clear benefits.
May warrant cautious BP targets in elderly and CKD; leaves open optimal thresholds for dedicated RCTs.
Purpose of review Universally lowering blood pressure (BP) may adversely affect some populations especially in the older population. Recent landmark trials revealed cardiovascular benefits of tight controlling systolic BP (SBP) more than several recent BP targets. Implementing the evidence from the studies and guidelines in some populations is reviewed. Recent findings Eighth Joint National Commission (JNC-8) on hypertension issued conservative guidelines that provided an evolutionary change to BPcontrol in the elderly. However, intensive BP control with SBP < 120 mmHg in Systolic Blood Pressure Intervention Trial (SPRINT) focuses on the improvement of cardiovascular and cerebrovascular outcomes. Although increasingly guidelines are trending toward the SPRINT results, it is noteworthy that not all populations show a favorable outcome with intensive BP control given hypotensive risks to memory, kidney function, orthostasis, and morbidity risks. Summary Some populations may benefit from implementing the more intensive SBP target, whereas others such as elderly hypertensive patients may benefit from a more liberal SBP target. In the spirit of ‘ Primum non Nocere’, we call for and suggest that a marriage of both SPRINT and JNC-8 recommendations be undertaken to champion the most cardiovascular protections for the greatest number of patients possible whereas preventing complications in vulnerable populations such as the elderly. Among the chronic kidney disease (CKD) population, SBP < 120 mmHg may not necessarily lead to favorable CKD outcomes.
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Tantisattamo et al. (2021) conducted a review in Hypertension and chronic kidney disease. Intensive blood pressure control (SBP < 120 mmHg) vs. Conservative blood pressure control (JNC-8 guidelines) was evaluated on Cardiovascular, cerebrovascular, and chronic kidney disease outcomes. Intensive blood pressure control (SBP < 120 mmHg) may not improve outcomes in all populations, particularly the elderly and those with chronic kidney disease, due to hypotensive risks.
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