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EnglishBackground: The PARIS risk score (PARIS-rs) and percutaneous coronary intervention complexity (PCI-c) predict clinical and procedural residual ischemic risk following PCI. Their accuracy in patients undergoing unprotected left main (ULM) or bifurcation PCI has not been assessed. Methods: The predictive performances of the PARIS-rs (categorized as low, intermediate, and high) and PCI-c (according to guideline-endorsed criteria) were evaluated in 3,002 patients undergoing ULM/bifurcation PCI with very thin strut stents. Results: After 16 (12–22) months, increasing PARIS-rs (8.8% vs. 14.1% vs. 27.4%, p <.001) and PCI-c (15.2% vs. 11%, p =.025) were associated with higher rates of major adverse cardiac events ([MACE], a composite of death, myocardial infarction [MI], and target vessel revascularization), driven by MI/death for PARIS-rs and target lesion revascularization/stent thrombosis for PCI-c (area under the curves for MACE: PARIS-rs 0.60 vs. PCI-c 0.52, p-for-difference <.001). PCI-c accuracy for MACE was higher in low-clinical-risk patients; while PARIS-rs was more accurate in low-procedural-risk patients. ≥12-month dual antiplatelet therapy (DAPT) was associated with a lower MACE rate in high PARIS-rs patients, (adjusted-hazard ratio 0.42 [95% CI: 0.22–0.83], p =.012), with no benefit in low to intermediate PARIS-rs patients. No incremental benefit with longer DAPT was observed in complex PCI. Conclusions: In the setting of ULM/bifurcation PCI, the residual ischemic risk is better predicted by a clinical risk estimator than by PCI complexity, which rather appears to reflect stent/procedure-related events. Careful procedural risk estimation is warranted in patients at low clinical risk, where PCI complexity may substantially contribute to the overall residual ischemic risk.
| Titolo: | Accuracy of the PARIS score and PCI complexity to predict ischemic events in patients treated with very thin stents in unprotected left main or coronary bifurcations |
| Autori Riconosciuti: | |
| Autori: | Gallone G.; D'Ascenzo F.; Conrotto F.; Costa F.; Capodanno D.; Muscoli S.; Chieffo A.; Yoichi I.; Pennacchi M.; Quadri G.; Nunez-Gil I.; Bocchino P.P.; Piroli F.; De Filippo O.; Rolfo C.; Wojakowski W.; Trabattoni D.; Huczek Z.; Venuti G.; Montabone A.; Rognoni A.; Parma R.; Figini F.; Mitomo S.; Boccuzzi G.; Mattesini A.; Cerrato E.; Wanha W.; Smolka G.; Cortese B.; Ryan N.; Bo M.; di Mario C.; Varbella F.; Burzotta F.; Sheiban I.; Escaned J.; Helft G.; De Ferrari G.M. |
| Data di pubblicazione: | 2020 |
| Abstract: | Background: The PARIS risk score (PARIS-rs) and percutaneous coronary intervention complexity (PCI-c) predict clinical and procedural residual ischemic risk following PCI. Their accuracy in patients undergoing unprotected left main (ULM) or bifurcation PCI has not been assessed. Methods: The predictive performances of the PARIS-rs (categorized as low, intermediate, and high) and PCI-c (according to guideline-endorsed criteria) were evaluated in 3,002 patients undergoing ULM/bifurcation PCI with very thin strut stents. Results: After 16 (12–22) months, increasing PARIS-rs (8.8% vs. 14.1% vs. 27.4%, p <.001) and PCI-c (15.2% vs. 11%, p =.025) were associated with higher rates of major adverse cardiac events ([MACE], a composite of death, myocardial infarction [MI], and target vessel revascularization), driven by MI/death for PARIS-rs and target lesion revascularization/stent thrombosis for PCI-c (area under the curves for MACE: PARIS-rs 0.60 vs. PCI-c 0.52, p-for-difference <.001). PCI-c accuracy for MACE was higher in low-clinical-risk patients; while PARIS-rs was more accurate in low-procedural-risk patients. ≥12-month dual antiplatelet therapy (DAPT) was associated with a lower MACE rate in high PARIS-rs patients, (adjusted-hazard ratio 0.42 [95% CI: 0.22–0.83], p =.012), with no benefit in low to intermediate PARIS-rs patients. No incremental benefit with longer DAPT was observed in complex PCI. Conclusions: In the setting of ULM/bifurcation PCI, the residual ischemic risk is better predicted by a clinical risk estimator than by PCI complexity, which rather appears to reflect stent/procedure-related events. Careful procedural risk estimation is warranted in patients at low clinical risk, where PCI complexity may substantially contribute to the overall residual ischemic risk. |
| Pagina iniziale: | 1 |
| Pagina finale: | 10 |
| Digital Object Identifier (DOI): | 10.1002/ccd.28972 |
| Parole Chiave: | bifurcation; dual antiplatelet therapy; left main; risk stratification |
| Rivista: | CATHETERIZATION AND CARDIOVASCULAR INTERVENTIONS |
| Appare nelle tipologie: | 03A-Articolo su Rivista |
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