PEDIATRICS Vol. 105 No. 5 May 2000, pp. 1041-1045
Received Mar 23, 1999; accepted Jul 16, 1999.
,
, and
From the * Section of Infectious Diseases, Department of
Pediatrics, Baylor College of Medicine; and
Department of Infection
Control, Woman's Hospital of Texas, Houston, Texas.
Background and Objective. An increase in the incidence of systemic candidiasis (SC) followed a change in skin care for extremely low birth weight (ELBW) infants in our neonatal intensive care unit (NICU). We sought to determine whether the use of topical petrolatum ointment (TPO) for skin care of ELBW infants was associated with risk for SC.
Study Design. Case-control study.
Setting. A 48-bed NICU in a private hospital in Houston, Texas.
Patients. Ten ELBW infants with and 30 without SC admitted to the NICU from December 1, 1997 through July 31, 1998.
Methods. ELBW infants with SC were identified using
hospital microbiology and infectious disease consultation databases. A
case was defined as an infant weighing
1000 g at birth with
Candida spp isolated from a normally
sterile body site. Three infants without SC were matched to each case
by birth weight, admission date, and survival to the age of SC onset
for the case. Data were collected by retrospective medical record
review. Molecular analysis of Candida isolates was
performed by karyotyping and restriction fragment length polymorphism
using pulsed-field gel electrophoresis.
Results. Case infants had a mean (± standard deviation) age of onset of 21.5 ± 24 days. Infants with SC and controls did not differ in birth weight, gestational age, or duration of therapy with steroids, antibiotics, insulin, or total parenteral nutrition. Although cases were more likely to be born vaginally and had a longer duration endotracheal intubation than controls, these differences were not significant. The odds ratio for skin care with TPO in case infants versus control infants was 11 (95% confidence interval: 1.9-63). Skin care with TPO was discontinued and the incidence of SC decreased to baseline. Several Candida spp and genetic profiles were identified, suggesting that there was not a common source outbreak.
Conclusions. We conclude that the use of TPO promoted an increase in the incidence of SC in ELBW infants. Additional investigation of potential infectious risks for ELBW infants receiving TPO skin care is warranted. Key words: Candida, neonate, premature, low birth weight, petrolatum, skin care.
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