International journal of cardiology · 2018
Right atrial pressure predicts worsening renal function in patients with acute right ventricular myocardial infarction.
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Ivey-Miranda Juan Betuel, Posada-Martínez Edith Liliana, Almeida-Gutiérrez Eduardo, Borrayo-Sánchez Gabriela, Flores-Umanzor Eduardo
Аннотация
BACKGROUND: Right ventricular myocardial infarction (RVMI) is associated with serious complications in the short-term. Worsening renal function (WRF) is a frequent and dangerous complication. We investigated if right atrial pressure (RAP) predicts WRF in these patients.
METHODS: We prospectively studied patients with RVMI. RAP was obtained invasively at admission to coronary care unit. Blood samples were extracted from patients at baseline and every 24h for creatinine measurements for seven days. We defined WRF as an increase of 25% or 0.5mg/dl in serum creatinine during the first seven days compared to baseline creatinine.
RESULTS: We included forty-five patients (age 68±10years, male 71%). WRF occurred in 51%. The best cut-off value of RAP for WRF prediction was 11mmHg. RAP ≥11mmHg was associated with WRF at univariate analysis (OR 5.5, 95% CI 1.27-24.3, p=0.023) and multivariate analysis (OR 6.1, 95% CI 1.07-35.4, p=0.042). RAP ≥11mmHg improved reclassification and discrimination after usual prediction with the Mehran score (net reclassification improvement 64.8%, p=0.030; integrated discrimination improvement 7.5%, p=0.037).
CONCLUSION: In patients with RVMI, RAP ≥11mmHg predicted WRF and improved discrimination.
METHODS: We prospectively studied patients with RVMI. RAP was obtained invasively at admission to coronary care unit. Blood samples were extracted from patients at baseline and every 24h for creatinine measurements for seven days. We defined WRF as an increase of 25% or 0.5mg/dl in serum creatinine during the first seven days compared to baseline creatinine.
RESULTS: We included forty-five patients (age 68±10years, male 71%). WRF occurred in 51%. The best cut-off value of RAP for WRF prediction was 11mmHg. RAP ≥11mmHg was associated with WRF at univariate analysis (OR 5.5, 95% CI 1.27-24.3, p=0.023) and multivariate analysis (OR 6.1, 95% CI 1.07-35.4, p=0.042). RAP ≥11mmHg improved reclassification and discrimination after usual prediction with the Mehran score (net reclassification improvement 64.8%, p=0.030; integrated discrimination improvement 7.5%, p=0.037).
CONCLUSION: In patients with RVMI, RAP ≥11mmHg predicted WRF and improved discrimination.