Enhanced fluid management with continuous venovenous hemofiltration in pediatric respiratory failure patients receiving extracorporeal membrane oxygenation support
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Children receiving extracorporeal membrane oxygenation (ECMO) for respiratory failure can have significant fluid overload and renal insufficiency. Addition of inline continuous venovenous hemofiltration (CVVH) could provide additional benefits in fluid management compared to use of standard medical therapies with ECMO.
Patients with pediatric respiratory failure receiving ECMO with CVVH were case-matched to similar patients receiving ECMO without CVVH to compare fluid balance, medication use, and clinical outcomes.
Twenty-six of eighty-six patients with pediatric respiratory failure on ECMO (30%) received CVVH for >24 h (median 7.5 days on CVVH). Survival was not significantly different between patients receiving CVVH and those who did not receive CVVH (P = 0.51). For ECMO survivors receiving CVVH, overall fluid balance was less than that in non-CVVH survivors (median 25.1 ml kg−1 day−1; range −40.2 to 71.2 vs. 40.2, 1.1 to 134.9; P = 0.028). Time to desired caloric intake was faster in patients receiving CVVH (1 day, 1–5) than in patients who did not receive CVVH (5 days; 1–11; P < 0.001). Patients receiving CVVH–ECMO also received less furosemide (0.67 vs. 2.11 mg kg−1 day−1; P = 0.009).
Use of CVVH in ECMO was associated with improved fluid balance and caloric intake and less diuretics than in case-matched ECMO controls.
KeywordsRespiratory failure Continuous venovenous hemofiltration Extracorporeal Hemofiltration ECMO Renal failure Pediatrics Continuous renal replacement therapy
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