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[Clinical experience of Rotablator]

M Nobuyoshi1

  • 1Department of Cardiology, Kokura Memorial Hospital.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|December 1, 1993
PubMed
Summary

Rotablator treatment effectively addressed severe calcified lesions in 26 patients, achieving a 96% success rate. However, 56% experienced restenosis after three months, indicating a need for further investigation into long-term outcomes.

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Area of Science:

  • Interventional Cardiology
  • Cardiovascular Medicine

Background:

  • Severe calcified and diffuse coronary artery lesions pose significant treatment challenges.
  • Atherectomy devices like the Rotablator are used for complex lesion preparation.

Purpose of the Study:

  • To evaluate the procedural success and early-to-mid-term outcomes of Rotablator atherectomy for severe calcified coronary lesions.

Main Methods:

  • Retrospective analysis of 26 patients (27 lesions) with severe calcified, diffuse lesions (AHA/ACC Type B2 and C).
  • Rotablator atherectomy was performed, followed by angiography at 1 and 3 months.
  • Procedural success, complications (coronary perforation, myocardial infarction), and restenosis rates were assessed.

Main Results:

  • Procedural success rate was high at 96%.
  • One instance of coronary perforation occurred, managed conservatively.
  • One patient experienced non-Q wave myocardial infarction.
  • No in-stent restenosis was observed at 1 month.
  • Significant in-stent restenosis rate of 56% was noted at 3 months.

Conclusions:

  • Rotablator atherectomy is a feasible option for complex calcified coronary lesions with a high procedural success rate.
  • Despite initial success, a high rate of restenosis at 3 months necessitates further research into optimizing long-term management strategies.

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