ACEF and clinical SYNTAX score in the risk stratification of patients with heavily calcified coronary stenosis undergoing rotational atherectomy with stent implantation

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Abstract

Aim:

To assess ACEF (age, creatinine, and ejection fraction) and Clinical SYNTAX (CSS) score in the risk stratification of patients with heavily calcified stenosis undergoing rotational atherectomy with stent implantation (rota-stenting). Methods and Results. ACEF and CSS were calculated in 221 consecutive patients with stable angina undergoing rota-stenting. Mean age of the patients was 74 ± 10 years, left ventricular ejection fraction was 61 ± 18%, and final burr size 1.78 ± 0.24 mm, with 2.6 ± 0.9 burrs used for each patient. Primary end-point was MACE at one-year defined as the composite of cardiac death, myocardial infarction, and target vessel revascularization. Post-hoc analysis was performed by stratifying the clinical outcome according to ACEF and CSS tertiles. At 1 year there was a significantly higher MACE rate in the high tertile of ACEF (24% for ACEFHigh vs. 13% for ACEFMid vs. 9% for ACEFLow; P = 0.017) and CSS (25% for CSSHigh vs. 12% for CSSMid vs. 8% for CSSLow; P = 0.008). The predictive accuracy for both ACEF and CSS was moderate (c-statistics, 0.629 and 0.638, respectively).

Conclusion:

Both ACEF and CSS predict with moderate accuracy MACE at 1-year in patients with heavily calcified coronary stenosis undergoing rotational atherectomy with stent implantation. © 2014 Wiley Periodicals, Inc.

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