The Canadian journal of cardiology · 2022
The Residual Lipid-Rich Coronary Atheroma Behind the Implanted Newer-Generation Drug-Eluting Stent and Future Stent-Related Event Risks.
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Murai Kota, Kataoka Yu, Nicholls Stephen J, Puri Rishi, Nakaoku Yuriko, Nishimura Kunihiro, Kitahara Satoshi, Iwai Takamasa, Sawada Kenichiro, Matama Hideo, Honda Satoshi, Fujino Masashi, Yoneda Shuichi, Takagi Kensuke, Nishihira Kensaku, Otsuka Fumiyuki, Asaumi Yasuhide, Tsujita Kenichi, Noguchi Teruo
Аннотация
BACKGROUND: Lipid-rich plaque is an important substrate that causes future coronary events. However, the clinical implications of underlying plaque characteristics in coronary lesions after newer-generation drug-eluting stent (DES) implantation remain unknown.
METHODS: The current study analyzed 445 target lesions after newer-generation DES implantation in 416 patients with coronary artery disease (CAD) (chronic coronary syndrome/acute coronary syndrome = 264/181) from the REASSURE-NIRS multicentre registry. Near-infrared spectroscopy (NIRS) imaging was used to evaluate maximum lipid core burden index after stent implantation in target lesions (residual maxLCBI4mm). The primary and secondary outcomes were 3-year lesion-oriented clinical outcomes (LOCO): cardiac death, nonfatal target-lesion-related myocardial infarction (MI), or ischemia-driven target-lesion revascularization (ID-TLR) and patient-oriented clinical outcomes (POCO): all-cause death, nonfatal MI, or ID unplanned revascularization. Outcomes were compared by residual maxLCBI4mm tertile.
RESULTS: Median residual maxLCBI4mm was 183; 16% of lesions had residual maxLCBI4mm > 400. Higher residual maxLCBI4mm was not associated with a greater likelihood of LOCO or POCO during the observational period (LOCO, log-rank P = 0.76; POCO, log-rank P = 0.84). Mixed-effects logistic regression demonstrated that residual maxLCBI4mm does not predict LOCO (odds ratio [OR], 1.000; 95% confidence interval [CI], 0.997-1.003; P = 0.95). There was no significant relationship between residual maxLCBI4mm and POCO (OR, 1.001; 95% CI, 0.999-1.002; P = 0.30).
CONCLUSIONS: Residual maxLCBI4mm is not associated with LOCO or POCO in patients with CAD after newer-generation DES implantation. Our findings suggest that NIRS-derived underlying lipid-rich plaque is not associated with the risk of stent-related events and patient-based outcomes in patients with CAD who have received newer-generation DESs.
METHODS: The current study analyzed 445 target lesions after newer-generation DES implantation in 416 patients with coronary artery disease (CAD) (chronic coronary syndrome/acute coronary syndrome = 264/181) from the REASSURE-NIRS multicentre registry. Near-infrared spectroscopy (NIRS) imaging was used to evaluate maximum lipid core burden index after stent implantation in target lesions (residual maxLCBI4mm). The primary and secondary outcomes were 3-year lesion-oriented clinical outcomes (LOCO): cardiac death, nonfatal target-lesion-related myocardial infarction (MI), or ischemia-driven target-lesion revascularization (ID-TLR) and patient-oriented clinical outcomes (POCO): all-cause death, nonfatal MI, or ID unplanned revascularization. Outcomes were compared by residual maxLCBI4mm tertile.
RESULTS: Median residual maxLCBI4mm was 183; 16% of lesions had residual maxLCBI4mm > 400. Higher residual maxLCBI4mm was not associated with a greater likelihood of LOCO or POCO during the observational period (LOCO, log-rank P = 0.76; POCO, log-rank P = 0.84). Mixed-effects logistic regression demonstrated that residual maxLCBI4mm does not predict LOCO (odds ratio [OR], 1.000; 95% confidence interval [CI], 0.997-1.003; P = 0.95). There was no significant relationship between residual maxLCBI4mm and POCO (OR, 1.001; 95% CI, 0.999-1.002; P = 0.30).
CONCLUSIONS: Residual maxLCBI4mm is not associated with LOCO or POCO in patients with CAD after newer-generation DES implantation. Our findings suggest that NIRS-derived underlying lipid-rich plaque is not associated with the risk of stent-related events and patient-based outcomes in patients with CAD who have received newer-generation DESs.