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["Diastolic" heart failure and pulsed pressure].

M C Aumont1, J F Morisson-Castagnet

  • 1Service de cardiologie, hôpital Bichat, 46, rue Henri Huchard, 75877 Paris.

Archives Des Maladies Du Coeur Et Des Vaisseaux
|November 25, 2003
PubMed
Summary

Diastolic cardiac failure is common in elderly patients, often linked to isolated systolic hypertension. Increased pulse pressure signifies higher mortality risk and cardiovascular events in this population.

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Area of Science:

  • Cardiology
  • Geriatrics
  • Hypertension Research

Context:

  • Cardiac failure is a leading cause of hospital admission for individuals over 65.
  • Diastolic cardiac failure, characterized by normal systolic function, accounts for nearly half of heart failure cases in the elderly.
  • Isolated systolic hypertension is a primary cause of diastolic cardiac failure in older adults.

Purpose:

  • To highlight the prevalence and clinical significance of diastolic cardiac failure in the elderly.
  • To explore the pathophysiological mechanisms linking isolated systolic hypertension, increased pulse pressure, and cardiac dysfunction.
  • To discuss diagnostic challenges and therapeutic considerations for diastolic cardiac failure.

Summary:

  • Diastolic cardiac failure is prevalent in the elderly, often associated with isolated systolic hypertension and increased pulse pressure.
  • Increased pulse pressure is a significant predictor of mortality and adverse cardiovascular events, including acute coronary syndromes and cerebrovascular accidents.
  • Pathological changes include left ventricular hypertrophy, abnormal relaxation, and subendocardial ischemia, exacerbated by reduced diastolic blood pressure and coronary reserve.

Impact:

  • Understanding diastolic cardiac failure is crucial for managing heart failure in aging populations.
  • Identifying patients with increased pulse pressure can guide risk stratification and preventive strategies.
  • Effective management of hypertension, ischemia, and heart rhythm is essential, though treatment remains largely empirical.

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