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The j-point phenomenon in aggressive therapy of hypertension: new insights

Gurusher S Panjrath1, Sameer Chaudhari, Franz H Messerli

  • 1The Johns Hopkins Hospital, Baltimore, MD, 21287, USA. gpanjra1@jhmi.edu

Current Atherosclerosis Reports
|March 8, 2012
PubMed

Insights

The "lower is better" approach to blood pressure may not always apply, as low diastolic blood pressure can increase cardiovascular risks. This J-curve phenomenon highlights potential adverse outcomes in certain patient groups.

Area of Science:

  • Cardiovascular Medicine
  • Hypertension Management
  • Clinical Trials Research

Background:

  • Aggressive control of cardiovascular risk factors, including hypertension, is standard practice.
  • The "lower is better" blood pressure mantra is widely adopted based on organ-specific benefits.
  • However, this principle may not universally apply to all patients or target organs.

Purpose of the Study:

  • To review advancements in understanding the J-curve phenomenon in blood pressure management.
  • To discuss the relationship between low diastolic blood pressure and adverse cardiovascular outcomes.
  • To identify specific populations at higher risk due to the J-curve effect.

Main Methods:

  • Review of existing epidemiologic evidence and clinical trial data.
  • Analysis of the J-curve concept and its recent scrutiny.
  • Discussion of observed relationships between low diastolic blood pressure and cardiovascular events.

Main Results:

  • The J-curve phenomenon, indicating adverse outcomes at lower blood pressure levels, is increasingly recognized.
  • Multiple clinical trials show a link between low diastolic blood pressure and adverse cardiovascular outcomes.
  • Certain patient populations may be particularly vulnerable to these risks.

Conclusions:

  • The universal application of the "lower is better" blood pressure goal requires re-evaluation.
  • Low diastolic blood pressure, particularly in specific populations, poses a significant cardiovascular risk.
  • Further research is needed to refine blood pressure targets and mitigate J-curve associated risks.

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