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Patients with prehypertension - do we have enough evidence to treat them?

Michalska Marta, Alberto Zanchetti, Nathan D Wong

  • 1Department of Hypertension, WAM University Hospital in Lodz, Medical University of Lodz, Zeromskiego 113; 90-549 Lodz, Poland. maciejbanach@aol.co.uk.

Current Vascular Pharmacology
|May 1, 2013
PubMed

Insights

The introduction of prehypertension (preHT) in 2003 is debated due to potential anxiety and lack of clear evidence for treatment benefits. Further research is needed to clarify its clinical justification and patient risk stratification.

Area of Science:

  • Cardiology
  • Hypertension Research
  • Public Health

Background:

  • The Seventh Report of the Joint National Committee (JNC VII) defined prehypertension (preHT) in 2003, categorizing blood pressure (BP) levels between 120-139/80-89 mmHg.
  • Individuals with preHT were considered at increased risk for developing hypertension, with higher BP ranges showing a doubled risk compared to lower values.

Purpose of the Study:

  • To critically evaluate the evidence base and justification for the introduction of the prehypertension category.
  • To discuss the potential psychological impact and healthcare utilization associated with the preHT classification.
  • To explore alternative classifications and the current evidence regarding antihypertensive therapy benefits in preHT patients.

Main Methods:

  • Literature review and critical analysis of existing studies and clinical guidelines.
  • Examination of the debate surrounding the definition and implications of prehypertension.
  • Assessment of evidence for antihypertensive treatment efficacy in preHT populations.

Main Results:

  • The introduction of prehypertension has been a subject of significant debate regarding its evidential basis and clinical necessity.
  • Concerns exist that the preHT label may induce anxiety and lead to unnecessary medical interventions.
  • The heterogeneity within the preHT group suggests that finer risk stratification, such as differentiating normal and high-normal BP, might be more appropriate.
  • Current evidence for the benefit of antihypertensive drug therapy in reducing adverse outcomes in preHT patients remains inconclusive.

Conclusions:

  • The clinical utility and justification of the prehypertension category require further rigorous evaluation.
  • A more nuanced approach to classifying BP levels may be necessary to accurately reflect cardiovascular disease risk.
  • More robust evidence is needed to support the use of antihypertensive medications for outcome reduction in individuals classified with prehypertension.

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