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A Catheter-Related Candida albicans Infection Model in Mouse
Published on: March 22, 2024
Risk factors for persistent candidemia infection in a neonatal intensive care unit and its effect on mortality and
J A Robinson1, H D Pham, B T Bloom
1Department of Pediatrics, University of Kansas School of Medicine-Wichita, Wichita, KS, USA.
Objective:
Candida infections cause substantial morbidity and mortality in neonates. Persistent candidemia has not been associated with increased risk of mortality compared with candidemia of shorter duration. This study sought to determine whether persistent candidemia was associated with increased length of hospitalization or mortality in neonates.
Study Design:
A chart review was conducted of neonates with Candida bloodstream infections (n=37). Demographic, laboratory, pharmacy, nutrition and discharge data were abstracted. Contingency table analysis and logistic regression were used to analyze variables associated with persistent candidemia and mortality. The relationship between length of hospitalization and persistent candidemia was assessed with k-sample equality of medians test.
Result:
Nine patients (24%) had persistent candidemia. Increased time between blood culture draw and initial antifungal therapy was associated with increased incidence of persistent candidemia (P=0.03). Five patients (14%) died before hospital discharge; however, no deaths were attributed to persistent candidemia. Length of hospitalization was not increased with persistent candidemia. A decrease in the ratio of enteral feeding days to hyperalimentation days before collection of the first positive blood culture was significantly associated with an increase in all-cause mortality (P=0.03) and death attributed to candidemia (P=0.04). The risk of all-cause mortality decreased with a history of receiving any enteral feedings before the first positive blood culture (P=0.04), as did death attributed to candidemia (P=0.02).
Conclusion:
A duration of >1 day between the time of blood culture and the initial dose of systemic antifungal treatment places neonates at increased risk for developing persistent candidemia; however, this is not associated with increased mortality.
Insights
Delayed antifungal treatment in neonates increases the risk of persistent candidemia but not mortality. Early enteral feeding may reduce the risk of death from Candida bloodstream infections.
Area of Science:
- Neonatal Medicine
- Infectious Diseases
- Pediatric Critical Care
Background:
- Neonatal Candida infections lead to significant illness and death.
- Previous research suggested persistent candidemia did not increase mortality risk compared to shorter durations.
Purpose of the Study:
- To investigate if persistent candidemia in neonates is linked to longer hospital stays or increased mortality.
- To identify risk factors for persistent candidemia and mortality in neonatal bloodstream infections.
Main Methods:
- Retrospective chart review of 37 neonates with Candida bloodstream infections.
- Analysis of demographic, laboratory, pharmacy, nutrition, and discharge data.
- Statistical methods included logistic regression and k-sample equality of medians test.
Main Results:
- 24% of neonates developed persistent candidemia.
- A delay of over 1 day between blood culture and antifungal therapy increased persistent candidemia risk.
- No deaths were attributed to persistent candidemia, and hospitalization length was not increased.
- Decreased enteral feeding relative to hyperalimentation was associated with increased mortality.
- Enteral feeding prior to the first positive blood culture reduced mortality risk.
Conclusions:
- A delay in antifungal treatment >1 day elevates the risk of persistent candidemia in neonates.
- Persistent candidemia in neonates is not associated with increased mortality.
- Enteral nutrition may play a protective role against mortality in neonatal candidemia.
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