The association of borderline hypertension with target organ changes and higher coronary risk. Tecumseh Blood

S Julius1, K Jamerson, A Mejia

  • 1Division of Hypertension, University of Michigan Hospitals, Ann Arbor 48109-0356.

JAMA
|July 18, 1990
PubMed

Insights

Borderline hypertension in young adults is not temporary and has serious health implications. This condition is linked to elevated blood pressure, organ changes, and increased atherosclerosis risk factors.

Area of Science:

  • Cardiology
  • Public Health
  • Preventive Medicine

Background:

  • Hypertension is a major cardiovascular risk factor.
  • Early detection and understanding of hypertension evolution are crucial for prevention.
  • The Tecumseh project provides longitudinal data on cardiovascular health.

Purpose of the Study:

  • To investigate the progression and health implications of borderline hypertension in a young, healthy population.
  • To identify early markers and associated risk factors of developing hypertension.
  • To assess the long-term consequences of borderline hypertension.

Main Methods:

  • Longitudinal study of 946 healthy subjects aged 18-38 years.
  • Clinic and home blood pressure monitoring.
  • Assessment of cardiovascular parameters including forearm resistance, stroke index, and ventricular diastolic function.
  • Analysis of coronary risk factors: cholesterol, triglycerides, HDL, insulin, and body weight.

Main Results:

  • 124 subjects (13.1%) exhibited borderline hypertension (clinic BP > 140/90 mm Hg).
  • Borderline hypertensives showed higher home BP, elevated childhood and postpubertal BP, and hypertensive target organ changes.
  • Abnormalities in forearm resistance, stroke index, diastolic relaxation, and elevated cholesterol, triglycerides, insulin, and overweight prevalence were observed.

Conclusions:

  • Borderline hypertension in young adults is a persistent condition with significant cardiovascular and metabolic abnormalities.
  • Early identification of borderline hypertension is warranted due to its association with atherosclerosis predictors.
  • Clinical attention to borderline hypertension is necessary for preventive cardiovascular care.

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