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Blood pressure control in the Hypertension in the Very Elderly Trial (HYVET)

C J Bulpitt1, N S Beckett, R Peters

  • 1Imperial College London, Hammersmith Campus, Care of the Elderly, London, UK.

Insights

Blood pressure control was achieved in over 70% of elderly patients with isolated systolic hypertension (ISH) using a stepped treatment regimen. This regimen significantly reduced strokes, mortality, and heart failure in the elderly population.

Area of Science:

  • Gerontology
  • Cardiovascular Medicine
  • Clinical Pharmacology

Background:

  • Hypertension is a prevalent condition in the elderly, increasing the risk of cardiovascular events.
  • Effective blood pressure control in individuals over 80 years old is crucial but challenging.
  • The Hypertension in the Very Elderly Trial investigated treatment strategies for this demographic.

Purpose of the Study:

  • To evaluate blood pressure control in elderly hypertensive patients using a three-step treatment regimen.
  • To compare treatment efficacy between patients with combined systolic and diastolic hypertension (SDH) and isolated systolic hypertension (ISH).
  • To assess the impact of treatment titration on blood pressure control and clinical outcomes.

Main Methods:

  • A placebo-controlled trial involving hypertensive participants aged over 80 years.
  • Treatment involved three steps: indapamide, indapamide plus perindopril 2mg, and indapamide plus perindopril 4mg.
  • Blood pressure control was assessed at 2 years, distinguishing between SDH and ISH participants.

Main Results:

  • Active treatment lowered blood pressure significantly more than placebo in both SDH and ISH groups.
  • By 2 years, 62% of SDH and 71% of ISH participants achieved goal systolic blood pressure.
  • Blood pressure control was better in ISH than SDH patients, with incremental perindopril doses improving control.
  • The treatment regimen led to a 30% reduction in strokes, 21% reduction in total mortality, and 64% reduction in heart failure.

Conclusions:

  • A stepped treatment regimen including indapamide and perindopril is effective for blood pressure control in very elderly hypertensive patients.
  • Isolated systolic hypertension showed better blood pressure control compared to combined systolic and diastolic hypertension.
  • The observed reductions in cardiovascular events and mortality exceeded predictions, highlighting the benefits of treating hypertension in the very elderly.

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