Outcome of narrowing related side branches after high-speed rotational atherectomy

The American Journal of Cardiology
A S WaltonS H Stertzer

Abstract

High-speed rotational atherectomy (HSRA) is advocated for calcified and diffusely narrowed coronary arteries. There are often side branches involving these kinds of lesions. The presence of significant lesion-related side branches has been considered a relative contraindication to rotational atherectomy. This study was performed to determine the rate, predictors, and outcome of side branch occlusion after HSRA. The angiograms of 418 patients were examined with 320 side branches in 240 target vessels of > or = 1 mm in diameter being identified. Vessels were scored as either perfused (Thrombolysis In Myocardial Infarction 2 or 3 flow) or occluded (Thrombolysis In Myocardial Infarction 0 or 1 flow before and after the procedure. A detailed quantitative angiographic analysis was performed on a total of 108 side branches including all cases of branch occlusion. Clinical outcomes were determined in all cases with side branch loss. There were 24 occlusions in 21 patients after the procedure, giving a rate of branch loss of 7.5%. Follow-up angiography of > or = 24 hours was available for 13 of the occluded branches and 12 were found to be patent. In the 21 patients with branch occlusion, 6 sustained a myocardial infarct (of which 5 wer...Continue Reading

References

Oct 1, 1991·Catheterization and Cardiovascular Diagnosis·W H LeungE L Alderman
Dec 1, 1989·Catheterization and Cardiovascular Diagnosis·R R AroraC Simpfendorfer
Nov 15, 1993·Journal of the American College of Cardiology·D L FischmanC M Walker
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Citations

Aug 10, 2000·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·G Y ChoS J Park
Jul 27, 2004·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·Erdal CavusogluSamin K Sharma
Jan 9, 2001·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·G Y ChoS J Park
Oct 5, 2001·Current Opinion in Cardiology·D L WaltersS N Oesterle

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