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Prognostic Implication of Platelet Reactivity According to Procedural Complexity After PCI: Subanalysis of PTRG-DES Consortiumopen access

Jin, XuanJeong, Young-HoonLee, Kwang MinYun, Sung CheolKim, Byeong-KeukJoo, Hyung JoonChang, KiyukPark, Yong WhiSong, Young BinAhn, Sung GyunSuh, Jung-WonLee, Sang YeubCho, Jung RaeHer, Ae-YoungKim, Hyo-SooLim, Do-SunShin, Eun-SeokKim, Moo Hyun
Issue Date
Elsevier Inc.
clinical outcomes; complex PCI; platelet reactivity
JACC: Asia
Journal Title
JACC: Asia
Background: Complex percutaneous coronary intervention (C-PCI) and high platelet reactivity (HPR) have been proposed as representative risk factors for the high ischemic phenotype. Uncertainty remains regarding the relative prognostic importance of these factors. Objectives: This study aimed to investigate the prognostic implication of HPR according to procedural complexity. Methods: Patients treated with drug-eluting stent implantation (PTRG-PFT cohort; N = 11,714) were classified according to procedural complexity. HPR criteria were determined using VerifyNow (≥252 P2Y12 reaction units). The major adverse cardiac and cerebrovascular events (MACCE) (the composite of all-cause death, myocardial infarction, definite stent thrombosis, or stroke) and major bleeding were assessed for up to 3 years. Results: C-PCI was performed in 3,152 patients (26.9%). C-PCI significantly increased the risk of MACCE (HRadjusted: 1.21; 95% CI: 1.01-1.44; P = 0.035), driven by a higher rate of all-cause death (HRadjusted: 1.45; 95% CI: 1.15-1.83; P = 0.002), although it did not increase the risk of major bleeding. Irrespective of procedural complexity, the HPR phenotype was significantly associated with MACCE (Pinteraction = 0.731) and all-cause mortality (Pinteraction = 0.978), in which the prognostic implication appeared prominent within 1 year. The HPR phenotype did not show a significant interaction with any type of C-PCI. In addition, the number of complexity features per procedure did not proportionally increase the risk of MACCE. Conclusions: C-PCI was significantly associated with 3-year risk of MACCE and all-cause death. The HPR phenotype appears to have a similar prognostic implication irrespective of the type and extent of procedural complexity. (Platelet Function and Genotype-Related Long-Term Prognosis in DES-Treated Patients [PTRG-DES]; NCT04734028) © 2023 The Authors
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