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Atrial ejection force in systemic autoimmune diseases.

R Jahns1, J Naito, H P Tony

  • 1Department of Internal Medicine, Medizinische Poliklinik, University of Würzburg, Germany.

Cardiology
|June 9, 2000
PubMed
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Atrial ejection force (AEF) detects early left ventricular filling issues in systemic autoimmune diseases like lupus and rheumatoid arthritis. This echocardiogram parameter shows promise where traditional methods fall short.

Area of Science:

  • Cardiology
  • Rheumatology
  • Internal Medicine

Background:

  • Systemic autoimmune disorders such as systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA) can impact cardiac function.
  • Left ventricular filling abnormalities are a potential complication in these conditions.
  • Conventional echocardiographic parameters may not always detect early functional changes.

Purpose of the Study:

  • To investigate atrial ejection force (AEF) as a sensitive marker for left ventricular diastolic filling abnormalities.
  • To compare AEF in patients with SLE and RA against healthy controls.
  • To assess the utility of AEF in early disease detection.

Main Methods:

  • Analysis of two-dimensional and pulsed Doppler echocardiograms.
  • Inclusion of patients with SLE (n=24) and RA (n=13).

Related Experiment Videos

  • Comparison of AEF values between patient groups and a control group (n=40).

    • Main Results:

    • AEF was significantly elevated in both SLE and RA patient subgroups compared to healthy controls (14.0 +/- 5.4 vs. 11.0 +/- 3.5 kdyn, p < 0.01).
    • Standard echocardiographic parameters for left ventricular function did not reveal significant differences.
    • AEF demonstrated potential as an early indicator of diastolic dysfunction.

    Conclusions:

    • Atrial ejection force (AEF) may serve as a sensitive, additional parameter for detecting early left ventricular diastolic filling abnormalities in systemic autoimmune diseases.
    • AEF shows promise in identifying cardiac involvement in SLE and RA before conventional methods.
    • Further research into AEF's role in autoimmune cardiac complications is warranted.