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Curso de Atualização em Medicina Cardiovascular 2019
Reunião Anual Conjunta dos Grupos de Estudo de Cirurgia Cardíaca, Doenças Valvulares e Ecocardiografia da SPC
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07. Syncope and Bradycardia
08. Ventricular Arrhythmias and Sudden Cardiac Death (SCD)
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Safety and clinical outcomes of rotational atherectomy: an eleven-year centre experience
Session:
CO1 - Cardiologia de Intervenção
Speaker:
Ana Rita Pereira
Congress:
CPC 2019
Topic:
H. Interventional Cardiology and Cardiovascular Surgery
Theme:
25. Interventional Cardiology
Subtheme:
25.2 Coronary Intervention
Session Type:
Comunicações Orais
FP Number:
---
Authors:
Ana Rita F. Pereira; Rita Calé; Pedro Santos; Ana Almeida; Ana I. Marques; Sofia Alegria; Alexandra Briosa; Daniel Sebaiti; Silvia Vitorino; Ernesto Pereira; Cristina Dantas Martins; Helder Pereira
Abstract
<p><strong>Introduction: </strong>Rotational atherectomy (RA) is an adjunctive tool for the management of heavily calcified coronary lesions during percutaneous coronary intervention (PCI), but the clinical outcomes remain unclear. Access site choice is also poorly defined and there is growing evidence that transradial approach (TRA) is associated with lower complications and lower mortality.</p> <p><strong>Objectives: </strong>To assess the safety and long-term outcomes of RA for calcified coronary lesions and to investigate the influence of vascular access site in the efficacy and safety of the procedure.</p> <p><strong>Methods: </strong>Retrospective single-centre study that included consecutive PCI with RA performed from January 2006 to December 2017. Endpoint was a composite of major adverse cardiac events (MACE), defined as cardiovascular death, nonfatal myocardial infarction, nonfatal stroke and target vessel revascularization, at 1- and 5-year.</p> <p><strong>Results: </strong>246 procedures were included in a total of 236 patients (pts): mean age 70.1 ± 9.7 years, 73.6% male; 36.2% had previous PCI, 12.2% vascular peripheral disease (VPD), 24% reduced left ventricle ejection fraction (LVEF)and 6.9% were under hemodialysis. PCI with RA was mostly performed due to stable angina (48.9%) and via TRA (55.3%), with a total of 371 treated segments and a median number of 1 vessel treated per intervention. The left anterior descending artery was the most frequently treated artery (67.5%). Single burr was used in 76% of cases (mean number of burrs 1.23; mean burr size 1.5 mm). Procedural success rate was 94.7%. Complications were recorded in 9.3%, with no procedure related death. Clinical follow-up was complete in 98.8% of pts at 1-year and 81.3% at 5-year (mean time 62.3 ± 41.8 months). Survival free of MACE at 1- and 5-year were 83.7% and 73.2%, respectively. Multivariate Cox regression identified 6 independent predictors (only 1 protector) for 1-year MACE (Fig. A) and 6 independent predictors (all of increased risk) for 5-year MACE (Fig. B). TRA was protector of 1-year MACE and Kaplan-Meier curves showed benefit for both 1- and 5-year MACE occurrence (Fig. C and D), without significant difference in procedural success (p = 0.92) and complications (p = 0.45) rate comparing to transfemoral approach.</p> <p><strong>Conclusions: </strong>RA followed by stenting was a safe procedure with a high immediate success rate but an increased number of long-term cardiovascular events. Some clinical conditions, such as previous PCI, VPD and reduced LVEF, seems to adversely influence the long-term outcome while TRA appears to be protective.</p>
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