期刊
THROMBOSIS AND HAEMOSTASIS
卷 -, 期 -, 页码 -出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0043-1773763
关键词
ACS; immature platelets; immature platelet fraction; IPF; reticulated platelets; CCS; biomarker
This study evaluated the prognostic role of elevated RPs in patients with coronary artery disease. The results showed that elevated RPs are significantly associated with an increased risk of cardiovascular events and cardiovascular death.
Background The pro- thrombotic immature or reticulated platelets (RPs) are known to be elevated in high-risk patients and in different pathological settings. It has been shown that RPs correlate with an insufficient antiplatelet response to antiplatelet agents. RPs are emerging novel predictors of adverse cardiovascular events in cardiovascular disease. This study, using the totality of existing evidence, evaluated the prognostic role of RPs in patients with coronary artery disease. Methods We performed a systematic review and meta- analysis including trials of acute and chronic coronary syndrome reporting clinical outcomes according to RPs levels in the peripheral blood. We compared patients with elevated RPs (RPshigh) to patients without elevated RPs (RPslow). Odds ratios (ORs) and 95% CIs were used as metric of choice for treatment effects with random-effects models. The primary endpoint was major adverse cardiovascular and cerebrovascular events (MACCE). Secondary endpoints were cardiovascular death, myocardial infarction, ischemic stroke, urgent coronary revascularization and bleedings. Results A total of 7 studies, including 2213 patients, were included. The risk for MACCE was significantly higher in RPshigh compared to RPslow patients (OR 2.67 [1.87; 3.81], I-2 = 43.8%). RPshigh were associated with cardiovascular death (OR 2.09 [1.36; 3.22], I-2 = 40.4%). No associations for RPshigh were detected with the other singular components of MACCE: myocardial infarction (OR 1.73 [ 0.89; 3.38] I-2 = 60.5%) and stroke (OR 1.72 [ 0.59; 4.96] I-2 = 21%). The risk of bleeding did not differ between groups(OR 0.58 [0.15; 2.22] I-2 = 86.1%). Conclusion Elevated RPs are significantly associated with increased risk of cardiovascular events and cardiovascular death.
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