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[Left ventricular diastolic function in heart failure--a Doppler echocardiography study].

E Horstmann1, M Benn

  • 1Medizinische Klinik der Ruhruniversität im Knappschaftskrankenhaus Bochum.

Zeitschrift Fur Kardiologie
|November 1, 1989
PubMed
Summary

Doppler echocardiography reveals altered transmitral flow patterns in heart failure. Overt heart failure shows increased early diastolic flow and decreased late diastolic flow, suggesting elevated filling pressures mask underlying cardiac disease.

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Area of Science:

  • Cardiology
  • Physiology

Context:

  • Doppler echocardiography is used to assess left ventricular filling patterns.
  • Cardiac diseases often present with altered transmitral flow velocities.

Purpose:

  • To evaluate the impact of overt heart failure on transmitral velocity profiles.
  • To compare flow patterns in decompensated heart failure, compensated heart failure, and healthy controls.

Summary:

  • Patients in overt heart failure (group II) exhibited higher early diastolic flow (E) and lower late diastolic flow (A) compared to compensated patients (group III) and controls (group I).
  • The early/late diastolic flow velocity ratio (E/A) was significantly higher in decompensated heart failure (2.58) versus compensated (0.87) and controls (1.06).
  • Shorter deceleration halftime in decompensated heart failure suggests elevated left atrial pressure may mask underlying disease-specific flow patterns.

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Impact:

  • Findings suggest elevated left atrial pressure in overt heart failure can invert typical transmitral velocity profiles.
  • These results may offer practical value for managing congestive heart failure patients if follow-up studies confirm treatment-induced flow pattern normalization.