Journal
RESPIRATION
Volume 85, Issue 6, Pages 464-470Publisher
KARGER
DOI: 10.1159/000339346
Keywords
Acute; Critical care; Pulmonary hypertension; Renal replacement therapy; Right ventricular failure
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Background: Renal replacement therapy has been suggested as a therapeutic option in the setting of acute right ventricular failure in patients with severe precapillary pulmonary hypertension. However, there are few data supporting this strategy. Objectives: To describe the clinical course and the prognosis of pulmonary hypertensive patients undergoing renal replacement therapy in the setting of acute right heart failure. Methods: This was a single-center retrospective study over an 11-year period. Data were collected from all patients with chronic precapillary pulmonary hypertension requiring catecholamine infusions for clinical worsening and acute kidney injury that necessitated renal replacement therapy. Results: Fourteen patients were included. At admission, patients had a blood urea of 28.2 mmol/l (22.3-41.2), a creatinine level of 496 mu mol/l (304-590), and a mean urine output in the 24 h preceding hospitalization of 200 ml (0-650). Sixty-eight renal replacement therapy sessions were performed, 36 of which were continuous and 32 of which were intermittent. Systemic hypotension occurred in 16/32 intermittent and 16/36 continuous sessions (p = 0.9). Two patients died during a continuous session. The intensive care unit-related, 1-, and 3-month mortality was 46.7, 66.7, and 73.3%, respectively. Conclusion: Renal replacement therapy is feasible in the setting of acute right ventricular failure in patients with severe precapillary pulmonary hypertension but is associated with a poor prognosis. The best modality and timing in this population remain to be defined. Copyright (C) 2012 S. Karger AG, Basel
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