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  • Title: Prognostic impact of acute kidney injury in patients with acute pulmonary embolism data from the RIETE registry.
    Author: Murgier M, Bertoletti L, Bikdeli B, Jimenez D, Trujillo-Santos J, Merah A, de Ancos C, Fidalgo Á, Aibar J, Monreal M, RIETE Investigators.
    Journal: J Thromb Thrombolysis; 2022 Jul; 54(1):58-66. PubMed ID: 35072919.
    Abstract:
    Risk stratification is recommended for patients with pulmonary embolism (PE), and usually starts with the assessment of the hemodynamic status and the simplified Pulmonary Embolism Severity Index (sPESI). The influence of acute kidney injury (AKI) on the prognostic stratification has not been evaluated according to the "Kidney Disease: Improving Global Outcomes" (KDIGO). AKI was computed according to the KDIGO definition in patients with acute PE in the RIETE (Registro Informatizado Enfermedad TromboEmbolica) registry. Patients with hemodynamic instability were considered high-risk. Normotensive patients were stratified according to the sPESI score (low-risk: sPESI = 0; intermediate-risk: sPESI > 0). The primary outcome was all-cause 30-day mortality. Secondary outcomes were major bleeding and VTE recurrences during the same period. Among 30,532 patients with PE, 1108 (3.6%) were classified to be at high-risk, 10,577 (34.6%) at low-risk, and the remaining 18,847 (61.8%) at intermediate-risk of adverse events. At baseline, 7879 (26%) had AKI. Overall, 1543 of 30,532 patients (5.1%) died within the first 30 days. The presence of AKI was associated with increased mortality rates in all subgroups of patients: in those at low-risk it increased from 0.46 to 3%, in intermediate-risk from 5.4 to 10%, and in high-risk patients from 9.4 to 18%. The presence of AKI was also associated with an increased risk of major bleeding in all subgroups. The addition of the AKI status to the sPESI score improved the prediction of the 30-day mortality and may be particularly helpful for decisions such as identification of low-risk patient for home discharge.
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