A review of venovenous haemofiltration in seriously ill infants

Le résumé fourni par la source

Between April 1989 and October 1991, 13 severely ill infants, median age 13 days (range 1-180 days), median weight 3.5 kg (range 2.5-4.8 kg), received continuous venovenous haemofiltration (CVVH) for a median duration of 39 h (range 5-234 h). Filtration was performed through a double lumen catheter inserted into a central vein. The indications for filtration included acute renal failure (8), fluid overload (5), inborn errors of metabolism (3) and sepsis (1). Some infants had more than one indication. The median Paediatric Risk of Mortality (PRISM) score on the day of admission to the intensive care unit was 27 (range 8-42). No change in the level of respiratory support was required following the commencement of CVVH. Serum electrolyte concentrations and plasma osmolality remained normal throughout. Serum creatinine fell from a mean of 0.11 mmol/L (95% CI 0.058-0.168) to 0.07 mmol/L (CI 0.034-0.112). Urea fell from a mean of 9.5 mmol/L (CI 4.4-14.6) to 6.5 mmol/L (CI 2.7-10.3). Platelet counts fell by 40-50% from a mean of 126 x 10(6)/mm3 (CI 72-180) to 69 x 10(6)/mm3 (CI 36-103) 18 h following commencement of filtration but no bleeding was encountered. The main complication was a thrombosis of the superior and inferior vena cava in one infant. Four infants survived to be discharged from intensive care. Continuous venovenous haemofiltration, with its inherent advantages over arteriovenous haemofiltration, is feasible in small infants using standard paediatric equipment.

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