期刊
CARDIOVASCULAR DIABETOLOGY
卷 19, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12933-020-01123-3
关键词
Diabetes mellitus; Peripheral artery disease (PAD); Sortilin
Background Peripheral artery disease (PAD) represents one of the most relevant vascular complications of type 2 diabetes mellitus (T2DM). Moreover, T2DM patients suffering from PAD have an increased risk of major adverse cardiovascular events (MACE) and major adverse limb events (MALE). Sortilin, a protein involved in apolipoproteins trafficking, is associated with lower limb PAD in T2DM patients. Objective To evaluate the relationship between baseline serum levels of sortilin, MACE and MALE occurrence after revascularization of T2DM patients with PAD and chronic limb-threatening ischemia (CLTI). Research design and methods We performed a prospective non-randomized study including 230 statin-free T2DM patients with PAD and CLTI. Sortilin levels were measured before the endovascular intervention and incident outcomes were assessed during a 12 month follow-up. Results Sortilin levels were significantly increased in individuals with more aggressive PAD (2.25 +/- 0.51 ng/mL vs 1.44 +/- 0.47 ng/mL,p < 0.001). During follow-up, 83 MACE and 116 MALE occurred. In patients, who then developed MACE and MALE, sortilin was higher. In particular, 2.46 +/- 0.53 ng/mL vs 1.55 +/- 0.42 ng/mL, p < 0.001 for MACE and 2.10 +/- 0.54 ng/mL vs 1.65 +/- 0.65 ng/mL,p < 0.001 for MALE. After adjusting for traditional atherosclerosis risk factors, the association between sortilin and vascular outcomes remained significant in a multivariate analysis. In our receiver operating characteristics (ROC) curve analysis using sortilin levels the prediction of MACE incidence improved (area under the curve [AUC] = 0.94) and MALE (AUC = 0.72). Conclusions This study demonstrates that sortilin correlates with incidence of MACE and MALE after endovascular revascularization in a diabetic population with PAD and CLTI.
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