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Minerva Cardioangiologica 2015 October;63(5):381-8


lingua: Inglese

The prognostic role of renal dysfunction in STEMI patients submitted to primary PCI with adjunctive thrombus aspiration

Mattesini A., Lazzeri C., Chiostri M., Cordopatri C., Sorini Dini C., Gensini G. F., Valente S.

Interventinal Cardiology Unit, Heart and Vessels Department, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy


AIM: The present investigation was aimed at assessing the prognostic impact of renal dysfunction rate in STEMI patients submitted to thrombectomy (TP).
METHODS: Out of 1268 consecutive ST elevation myocardial infarction (STEMI) patients treated with pPCI from January 1rst 2004 to December 31th 2012 in our hospital 671 patients (52.9%) underwent adjunctive thrombus aspiration and constituted the study population. Patients were divided into three groups according to eGFR: group 1 included patients with eGFR>60 mL/min/m2, group 2 eGFR>30 mL/min/m2 and <60 mL/min/m2, group 3 eGFR<30 mL/min/m2. The rate of utilization of thrombectomy, the rate of pPCI failure and the incidence of major bleeding were assessed in each subgroup. Patients in group 3 and group 2 were less likely to be submitted to TP, while more than 50% of patients with normal eGFR underwent TP (overall P=0.019). The rate of pPCI failure was significantly higher in group 2 and 3 when compared to group 1 (P=0.002). Worsening renal failure was associated with a higher mortality rate both at ICCU and at 1 year follow-up (P<0.001 and P<0.001, respectively). A higher incidence of major bleedings was reported in group 2 and group 3, despite the lower administration of glycoprotein IIb/IIIa inhibitors (P<0.001). Moderate and severe renal impairment was associated with a higher mortality rate both at ICCU and at 1 year follow-up (P<0.001 and P<0.001, respectively).
CONCLUSION: Thrombus aspiration is less like to be performed among patients with impaired renal function. Despite thrombus aspiration patients with reduced eGFR showed a higher incidence of pPCI failure.

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