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.

Biscetti, F., Nardella, E., Rando, M. M., Cecchini, A. L., Bonadia, N., Bruno, P., Angelini, F., Di Stasi, C., Contegiacomo, A., Santoliquido, A., Pitocco, D., Landolfi, R., Flex, A., Sortilin levels correlate with major cardiovascular events of diabetic patients with peripheral artery disease following revascularization: A prospective study, <<CARDIOVASCULAR DIABETOLOGY>>, 2020; 19 (1): 1-11. [doi:10.1186/s12933-020-01123-3] [http://hdl.handle.net/10807/177901]

Sortilin levels correlate with major cardiovascular events of diabetic patients with peripheral artery disease following revascularization: A prospective study

Biscetti F.
Primo
;
Nardella E.
Secondo
;
Cecchini A. L.;Bruno P.;Di Stasi C.;Contegiacomo A.;Santoliquido A.;Pitocco D.;Landolfi R.
Penultimo
;
Flex A.
Ultimo
2020

Abstract

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.
Inglese
Biscetti, F., Nardella, E., Rando, M. M., Cecchini, A. L., Bonadia, N., Bruno, P., Angelini, F., Di Stasi, C., Contegiacomo, A., Santoliquido, A., Pitocco, D., Landolfi, R., Flex, A., Sortilin levels correlate with major cardiovascular events of diabetic patients with peripheral artery disease following revascularization: A prospective study, <>, 2020; 19 (1): 1-11. [doi:10.1186/s12933-020-01123-3] [http://hdl.handle.net/10807/177901]
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