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Related Experiment Videos

Percutaneous coronary rotary ablation.

M E Bertrand1, J M Lablanche, J L Fourrier

  • 1Division of Cardiology, University Hospital, Lille, France.

Herz
|October 1, 1990
PubMed
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The Rotablator system effectively reduced coronary artery stenosis by grinding atheromatous material. This high-speed rotational atherectomy improved vessel diameter, though some patients required further intervention.

Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Medical Devices

Background:

  • Atherosclerosis leads to obstructive coronary artery disease.
  • Rotational atherectomy offers a mechanical approach to debulk atheromatous plaque.

Purpose of the Study:

  • To evaluate the efficacy and safety of the Rotablator system for treating coronary artery stenosis.

Main Methods:

  • Utilized a high-speed rotational burr (Rotablator) to ablate atheromatous material in coronary arteries.
  • Performed the procedure in 52 patients across different coronary arteries.
  • Assessed changes in stenosis severity and vessel diameter post-ablation.

Main Results:

  • Achieved an average increase in vessel diameter from 0.52 mm to 1.27 mm.

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  • Reduced stenosis from an average of 80% to 47%.
  • Observed transient AV-block in 6 patients and coronary spasm in 2; 3 patients had acute occlusion with myocardial infarction.

    • Conclusions:

    • Rotational atherectomy with the Rotablator system is effective in reducing coronary stenosis.
    • The procedure demonstrated a favorable safety profile with manageable complications.
    • Further intervention may be needed in cases of residual stenosis due to burr size selection.