Drug eluting stents are superior to bare metal stents to reduce clinical outcome and stent-related complications in CKD patients, a systematic review, meta-analysis and network meta-analysis.

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Abstract

AIMS

To compare clinical outcome in Chronic kidney disease (CKD) patients receiving coronary stents according to stent type BMS versus DES and 1st generation versus 2nd generation DES.

METHODS AND RESULTS

PubMed, Cinhal, Cochrane, Embase, and Web of Science were searched for studies including CKD patients. CKD was defined as eGFR < 60 mL/min. We selected n = 35 articles leading to 376 169 patients, of which 76 557 CKD patients receiving BMS n = 35,807, 1st generation DES n = 37,650, or 2nd generation DES n = 3100. Patient receiving DES, compared to BMS, had a 18% lower all-cause mortality (RR 0.82, 95%CI 0.71-0.94). The composite of death or myocardial infarction (MI) was lower in DES patients (RR 0.78, 95%CI 0.67-0.91), as was stent thrombosis (ST) (RR 0.57, 95%CI 0.34-0.95), target vessel/lesion revascularization (TVR/TLR) (RR 0.69, 95%CI 0.57-0.84) and death for cardiovascular cause (RR 0.43, 95%CI 0.25-0.74). We also found a gradient between 1st and 2nd generation DES, through BMS. Second, compared to 1st generation DES, were associated with further relative risk (RR) reduction of -18% in of all-cause death, and lower incidence of stent-related clinical events: -39% RR of ST risk; -27 RR of TVR/TLR risk.

CONCLUSIONS

DES in CKD patients undergoing PCI were superior to BMS in reducing major adverse clinical events. This was possibly explained, by a lower risk of stent-related events as ST and TVR or TLR. Second, compared to 1st generation DES may furtherly reduce clinical events.

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