Left Atrial Volume Index and Prediction of Events in Acute Coronary Syndrome: Solar Registry

نویسندگان

  • Jose Alves Secundo Junior
  • Marcos Antonio Almeida Santos
  • Gustavo Baptista de Almeida Faro
  • Camile Bittencourt Soares
  • Allyson Matos Porto Silva
  • Paulo Fernando Carvalho Secundo
  • Clarissa Karine Cardoso Teixeira
  • Joselina Luzia Menezes Oliveira
  • Jose Augusto Soares Barreto Filho
  • Antônio Carlos Sobral Sousa
چکیده

BACKGROUND According to some international studies, patients with acute coronary syndrome (ACS) and increased left atrial volume index (LAVI) have worse long-term prognosis. However, national Brazilian studies confirming this prediction are still lacking. OBJECTIVE To evaluate LAVI as a predictor of major cardiovascular events (MCE) in patients with ACS during a 365-day follow-up. METHODS Prospective cohort of 171 patients diagnosed with ACS whose LAVI was calculated within 48 hours after hospital admission. According to LAVI, two groups were categorized: normal LAVI (≤ 32 mL/m2) and increased LAVI (> 32 mL/m2). Both groups were compared regarding clinical and echocardiographic characteristics, in- and out-of-hospital outcomes, and occurrence of ECM in up to 365 days. RESULTS Increased LAVI was observed in 78 patients (45%), and was associated with older age, higher body mass index, hypertension, history of myocardial infarction and previous angioplasty, and lower creatinine clearance and ejection fraction. During hospitalization, acute pulmonary edema was more frequent in patients with increased LAVI (14.1% vs. 4.3%, p = 0.024). After discharge, the occurrence of combined outcome for MCE was higher (p = 0.001) in the group with increased LAVI (26%) as compared to the normal LAVI group (7%) [RR (95% CI) = 3.46 (1.54-7.73) vs. 0.80 (0.69-0.92)]. After Cox regression, increased LAVI increased the probability of MCE (HR = 3.08, 95% CI = 1.28-7.40, p = 0.012). CONCLUSION Increased LAVI is an important predictor of MCE in a one-year follow-up.

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عنوان ژورنال:

دوره 103  شماره 

صفحات  -

تاریخ انتشار 2014