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Residual Coronary Risk Factors Associated With Long-Term Clinical Outcomes in Patients With Coronary Artery Disease Treated With High- vs. Low-Dose Statin Therapy - REAL-CAD Substudy.

AbstractBACKGROUND:
It remains unclear which comorbidities, other than lipid parameters, or combination of comorbidities, best predicts cardiovascular events in patients with known coronary artery disease (CAD) treated with statins. Therefore, we aimed to identify the nonlipid-related prognostic factors and risk stratification of patients with stable CAD enrolled in the REAL-CAD study.Methods and Results: Blood pressure, glucose level, and renal function were considered as risk factors in the 11,141 enrolled patients. The primary endpoint was a composite of cardiovascular death, nonfatal myocardial infarction, nonfatal ischemic stroke, and unstable angina. The secondary composite endpoint was the primary endpoint and/or coronary revascularization. A significantly worse prognosis at the primary endpoint was observed in the estimated glomerular filtration rate (eGFR) ≤60 group, and the combination of eGFR ≤60 and HbA1c ≥6.0 was the worst (hazard ratio (HR) 1.66; P<0.001). However, even in the eGFR >60 group, systolic blood pressure (SBP) ≥140 mmHg met the secondary endpoint (HR 1.33; P=0.006), and the combination of eGFR ≤60 and HbA1c ≥6.0 was also the worst at the secondary endpoint (HR 1.35; P=0.002).
CONCLUSIONS:
Regarding nonlipid prognostic factors contributing to the incidence of cardiovascular events in statin-treated CAD patients, renal dysfunction was the most significant, followed by poor glucose control and high SBP.
AuthorsTakumi Higuma, Yoshihiro J Akashi, Yoshihiro Fukumoto, Hitoshi Obara, Tatsuyuki Kakuma, Yasuhide Asaumi, Satoshi Yasuda, Ichiro Sakuma, Hiroyuki Daida, Hiroaki Shimokawa, Takeshi Kimura, Satoshi Iimuro, Ryozo Nagai
JournalCirculation journal : official journal of the Japanese Circulation Society (Circ J) (Jul 21 2023) ISSN: 1347-4820 [Electronic] Japan
PMID37482412 (Publication Type: Journal Article)

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