Background: This study was conducted with the aim of providing a quantitative appraisal of clinical outcomes of trans-radial access for primary percutaneous coronary interventions (PCI) in patients with ST-segment evaluation myocardial infarction (STEMI).
Methods: In this study, we compared two propensity-matched cohorts of patients who underwent primary PCI via trans-radial (TRA) and trans-femoral access (TFA) in a 1:1 ratio. The profile of two cohorts was matched for gender, age, and body mass index, diabetes, hypertension, family history, and smoking. The outcomes of primary PCI were compared for the two cohorts which included all-cause in-hospital mortality, heart failure, re-infarction, cardiogenic shock, bleeding, transfusion, cerebrovascular accident, and dialysis.
Results: This analysis was performed on a total of 2316 patients with 1158 patients each in the TRA and TFA group. We observed significantly lower rates of mortality, 0.8% (9) vs. 3.5% (41); p < 0.001 and bleeding, 0.5% (6) vs.1.6% (19); p = 0.009 with shorter hospital stay, 1.61 ± 1.39 vs. 1.98 ± 1.5 days, in trans-radial vs. trans-femoral. However, both fluoroscopic time and contrast volume were significantly higher in the TRA as compared to TFA group 15.57 ± 8.16 vs. 12.79 ± 7.82 min; p < 0.001 and 143.22 ± 45.33 vs. 133.78 ± 45.97; p < 0.001 respectively.
Conclusions: Compared with TFA access, TRA for primary PCI is safe for patients with STEMI, it was found to be associated with a significant reduction in in-hospital mortality and bleeding complications.
Keywords: Mortality; Primary percutaneous coronary interventions; Propensity-matched; ST-Segment evaluation myocardial infarction; Trans-Radial.
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