Application Value of Residual SYNTAX Score in Elderly Coronary Atherosclerotic Heart Disease Patients with Percutaneous Coronary Intervention
Objective The residual SYNTAX score(rSS)can be used as a quantitative indicator of the degree of incomplete revascularization in coronary atherosclerotic heart disease(CAD)undergoing percutaneous coronary intervention(PCI).The purpose of this study was to evaluate the predictive value of rSS for clinical outcomes in elderly(age ≥75 years)CAD patients undergoing PCI.Methods A total of 1 081 patients undergoing PCI treatment at The Third People's Hospital of Chengdu from January 2018 to December 2019 were included.The patients were divided into two groups(age＜75 years old and age ≥75 years old)according to age,and divided into three groups(rSS=0,1 ≤rSS≤8,and rSS≥9)according to rSS.The clinical follow-up was 18 months,and the clinical end points included major adverse cardiovascular events(MACE),a composite event of all-cause death,myocardial infarction,and revascularization.The prognostic value of rSS in elderly and age＜75 years old patients was compared.Results Among the 1 081 patients,309(28.58％)were elderly,and elderly had lower body mass index,more comorbidities,higher baseline SYNTAX score,and higher rSS(P＜0.05).The incidence of MACE increased with increasing rSS in both elderly and age＜75 years old patients(P＜0.001).Multivariate logistic regression analysis showed that rSS was an independent predictor of MACE(P＜0.05).Conclusion rSS is an independent predictor of clinical outcome in elderly coronary heart disease patients with PCI.The higher the degree of incomplete revascularization,the worse the prognosis.
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