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Published on: May 29, 2015
Rotational atherectomy.
K E Saland1, J E Cigarroa, R A Lange
1University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75235-9047, USA.
Cardiology in Review
|February 15, 2001
Summary
Rotational atherectomy effectively treats complex arterial stenoses, including calcified lesions and in-stent restenosis. This plaque-debulking technique offers high procedural success rates with minimal complications, especially in challenging cases.
Area of Science:
- Cardiovascular Interventions
- Interventional Cardiology
- Vascular Surgery
Background:
- Rotational atherectomy is a key technique for managing complex arterial stenoses.
- Indications include calcified lesions, ostial or bifurcation sites, and in-stent restenosis.
- The device debulks plaque while preserving adjacent healthy arterial tissue.
Purpose of the Study:
- To evaluate the efficacy and safety of rotational atherectomy.
- To compare rotational atherectomy with other revascularization methods.
- To identify patient populations that benefit most from this intervention.
Main Methods:
- Randomized comparison with excimer laser and balloon angioplasty.
- Standardized procedural adjuncts: intracoronary infusions (verapamil, heparin, nitroglycerin), glycoprotein IIb/IIIa antagonists (e.g., abciximab).
- Specific technique parameters: stepped burr approach (burr:artery ratio 0.8), short burr rotations (<30 seconds), avoidance of deceleration, low-pressure balloon angioplasty.
Main Results:
- Rotational atherectomy demonstrated a statistically higher procedural success rate compared to alternatives.
- No significant increase in major complications was observed.
- Patients with more complex lesions experienced the greatest benefits.
Conclusions:
- Rotational atherectomy is a highly effective treatment for complex arterial stenoses.
- When performed with current adjuncts and techniques, it achieves a 98% procedural success rate and <2% major complication rate.
- This method offers significant advantages, particularly for patients with challenging lesion characteristics.
