Philippe Généreux1,2,3, Björn Redfors1,4, Bernhard Witzenbichler5, Akiko Maehara1,2, Mayank Yadav1, Giora Weisz1,2,6, Dominic P Francese1, Rupa Parvataneni1, Sorin J Brener7, Roxana Mehran1,8, Ajay J Kirtane1,2, Gregg W Stone1,2. 1. Cardiovascular Research Foundation, New York, New York. 2. New York-Presbyterian Hospital/Columbia University Medical Center, New York, New York. 3. Hôpital Du Sacré-Coeur De Montréal, Université De Montréal, Montréal, Québec, Canada. 4. Sahlgrenska University Hospital, Gothenburg, Sweden. 5. Helios Amper-Klinikum, Dachau, Germany. 6. Shaare Zedek Medical Center, Jerusalem, Israel. 7. New York Methodist Hospital, Brooklyn, New York. 8. Icahn School of Medicine at Mount Sinai, New York, New York.
Abstract
OBJECTIVES: We sought to identify angiographic predictors of 2-year stent thrombosis (ST) in the ADAPT-DES study. BACKGROUND: A strong relationship between platelet reactivity and ST after implantation of drug-eluting stents (DES) was recently confirmed in the prospective, multicenter ADAPT-DES study. METHODS: In a pre-specified analysis of patients enrolled in ADAPT-DES, an independent angiographic core laboratory performed detailed angiographic analyses for all cases of ST. Patients with Academic Research Consortium definite/probable target-lesion ST were matched with controls in a 1:2 ratio, and multivariable Cox regression models identified angiographic predictors of 2-year ST. RESULTS: Among 8,582 patients who had successful percutaneous coronary intervention (PCI) and were included in the ADAPT-DES study, 92 (1.1%) patients had ST at 2-year follow-up. Target lesion-related ST was identified in 77 patients (82 lesions) who were clinically matched with 153 patients (196 lesions) without ST. Patients with ST were more likely to have longer target lesions, thrombus, moderate/severe calcification, American College of Cardiology/American Heart Association (ACC/AHA) type C lesions, and saphenous vein grafts. After adjustment for clinical covariates the angiographic variables that predicted ST were lesion complexity (ACC/AHA type C lesion, adjusted HR: 1.97, 95% CI: 1.19 to 3.26, P = 0.01) and presence of thrombus on index PCI (HR: 2.25, 95% CI: 1.40 to 3.59, P < 0.01). CONCLUSIONS: Anatomically complex lesions and the presence of thrombus are strong predictors of 2-year ST in the DES era.
OBJECTIVES: We sought to identify angiographic predictors of 2-year stent thrombosis (ST) in the ADAPT-DES study. BACKGROUND: A strong relationship between platelet reactivity and ST after implantation of drug-eluting stents (DES) was recently confirmed in the prospective, multicenter ADAPT-DES study. METHODS: In a pre-specified analysis of patients enrolled in ADAPT-DES, an independent angiographic core laboratory performed detailed angiographic analyses for all cases of ST. Patients with Academic Research Consortium definite/probable target-lesion ST were matched with controls in a 1:2 ratio, and multivariable Cox regression models identified angiographic predictors of 2-year ST. RESULTS: Among 8,582 patients who had successful percutaneous coronary intervention (PCI) and were included in the ADAPT-DES study, 92 (1.1%) patients had ST at 2-year follow-up. Target lesion-related ST was identified in 77 patients (82 lesions) who were clinically matched with 153 patients (196 lesions) without ST. Patients with ST were more likely to have longer target lesions, thrombus, moderate/severe calcification, American College of Cardiology/American Heart Association (ACC/AHA) type C lesions, and saphenous vein grafts. After adjustment for clinical covariates the angiographic variables that predicted ST were lesion complexity (ACC/AHA type C lesion, adjusted HR: 1.97, 95% CI: 1.19 to 3.26, P = 0.01) and presence of thrombus on index PCI (HR: 2.25, 95% CI: 1.40 to 3.59, P < 0.01). CONCLUSIONS: Anatomically complex lesions and the presence of thrombus are strong predictors of 2-year ST in the DES era.
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