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Abstract 10464: In-Hospital and Long-Term Impact of Right and Left Bundle-Branch Block in Mortality in Patients With Acute Myocardial Infarction

Nicolau, Jose C ; Bertolin, Adriadne ; Juliasz, Marcela ; CHIU, FELIPE ; Baracioli, Luciano ; Lima, Felipe ; Giraldez, Roberto R ; Pereira, Cesar ; Andrade, Maria ; Ribeiro, Andre ; Quintanilha, Nádia ; Santos, Glaylton ; Espinoza, Cristhian V ; Furtado, Remo

Circulation (New York, N.Y.), 2022-11, Vol.146 (Suppl_1) [Periódico revisado por pares]

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  • Título:
    Abstract 10464: In-Hospital and Long-Term Impact of Right and Left Bundle-Branch Block in Mortality in Patients With Acute Myocardial Infarction
  • Autor: Nicolau, Jose C ; Bertolin, Adriadne ; Juliasz, Marcela ; CHIU, FELIPE ; Baracioli, Luciano ; Lima, Felipe ; Giraldez, Roberto R ; Pereira, Cesar ; Andrade, Maria ; Ribeiro, Andre ; Quintanilha, Nádia ; Santos, Glaylton ; Espinoza, Cristhian V ; Furtado, Remo
  • É parte de: Circulation (New York, N.Y.), 2022-11, Vol.146 (Suppl_1)
  • Descrição: Abstract only Introduction: There are scarce data in the literature analyzing, in patients with acute myocardial infarction (AMI), the impact of right (RBBB) and left bundle-branch block (LBBB) on mortality, especially in the long-run after hospital discharge. Hypothesis: RBBB and LBBB is associated with in-hospital and long-term mortality in patients with AMI. Methods: Retrospective analysis from an administrative databank of patients (pts) with acute coronary syndromes, collected prospectively between 1998 and 2016. From a total of 6466 pts, we selected 2895 with AMI (72% men, mean age 63.7 years, 50% with ST-segment-elevation AMI) and complete follow-up for up to 17 years (mean 5.5 years). In-hospital and long-term mortality was compared with RBBB (incidence=5.8%) and LBBB (incidence=3.9%) in models unadjusted and adjusted for 14 variables including age, type/location of AMI and in-hospital cardiogenic shock. Results: In-hospital mortality was 15.5% vs. 7.0% for pts with or without RBBB, respectively (OR=2.41, P<0.001; adj. OR=1.32, 0.37); for pts with of without LBBB the percentages were 14.2% vs. 7.3%, respectively (OR=2.10, P=0.008, adj. OR=1.13, P=0.74). The results for the long-term follow-up are depicted in the figure. Conclusions: After adjustments, there was no association between RBBB or LBBB with higher in-hospital death among patients with AMI. On the other hand, in the long-term follow-up LBBB, but not RBBB, showed significant and independent association with higher mortality.
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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