PEDIATRICS Vol. 107 No. 6 June 2001, pp. 1309-1312
Outcome in Children Receiving Continuous Venovenous Hemofiltration
Received Jul 14, 2000; accepted Sep 28, 2000.
,
From the * Department of Pediatrics, Renal Section, Baylor
College of Medicine; Objective. Continuous venovenous
hemofiltration (CVVH) alone or with dialysis (D) has become an
important supportive therapy for critically ill children with acute
renal failure. Previous reports of pediatric patient outcome either mix
CVVH/D with other renal replacement modalities or do not examine
severity of illness. The current study examines only outcomes of
children receiving CVVH/D using Pediatric Risk of Mortality (PRISM)
scores to control for severity of illness.
Patients. Twenty-one patients (mean age: 8.8 ± 6.3 years; mean weight: 28.3 ± 20.8 kg) received 22 courses of
CVVH/D.
Outcomes. Nine (42.8%) of 21 patients survived. Nine
(75%) of 12 deaths occurred within 25 days of pediatric intensive care
unit (PICU) admission. Mean PRISM score at PICU admission and CVVH
initiation were 13.1 ± 5.8 and 15.4 ± 8.9, respectively.
Mean patient weight, age, PRISM score at PICU admission and at CVVH/D
initiation, maximum pressor number, estimated glomerular filtration
rate at CVVH/D initiation and change in mean airway pressure did not
differ between survivors and nonsurvivors. The degree of fluid overload
at CVVH/D initiation was significantly lower in survivors (16.4% ± 13.8%) compared with nonsurvivors (34.0% ± 21.0%), even when
controlled for severity of illness by PRISM score. Mean cost of
providing CVVH/D accounted for only 1% of total PICU cost per
patient.
Conclusions. The pattern of early multiorgan system
failure and death, minimal relative cost of CVVH/D provision, and
potential for improved outcome with initiation of CVVH/D at lesser
degrees of fluid overload are factors that may support early initiation
of CVVH/D in critically ill children with acute renal
failure.
Texas Children's Hospital Renal Dialysis Unit;
and the § Department of Pediatrics, Critical Care Section, Baylor
College of Medicine, Houston, Texas.
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