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Signa Vitae

Journal of Intensive Care and Emergency Medicine

Invasive Candida infections in the nursery: state of the art

Abstract

Neonatal sepsis caused by fungi (mainly Candida spp.) causes a huge burden of morbidity and mortality, poor late outcomes, as well as increased hospital costs.

Invasive Candida Infections (ICI) include bloodstream, urine, cerebrospinal, peritoneal infections, infections starting from burns and wounds, or from any other usually sterile site.

Premature neonates are particularly prone to this kind of disease, due to their decreased innate and adaptive immunities, translating into a specific, decreased resistance to candidiasis.

This specific, increased risk for ICI is greatest when gestational age and birth weight are lowest. As the burden of ICI has been increasing over the last years, research efforts have been focused towards identifying key risk factors, effective preventative strategies, and efficacious and well-tolerated antifungal drugs for the neonatal population.

This article summarizes the most remarkable issues in these areas, and features an overview of the current diagnostic, preventative and treatment strategies.

Key words: Candida, neonate, infection, preterm, micafungin, fluconazole

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Surfactant administration in premature infants with RDS

Abstract

Background. The significant advancement in the treatment of respiratory distress syndrome can be attributed to prenatal identification of high risk pregnancies, prevention of illness through antenatal care, prenatal administration of glucocorticoids, advancement in respiratory support and surfactant therapy. These measures resulted in the reduction of mortality and morbidity rates in preterm infants.
Patients and methods. We analyzed data of 78 preterm babies with respiratory distress syndrome hospitalized in the NICU of the Pediatric Clinic, KCU Sarajevo. All children included in the study were mechanically ventilated and treated with one or more doses of bovine surfactant (Survanta) as rescue therapy. Surfactant was given to children with clinical and radiological signs of RDS, who required FiO2>0,40. We used the standard procedure of giving surfactant therapy to intubated children in sterile conditions, after we confirmed, by X-ray, correct tube placement.
Results. We investigated the clinical efficacy of surfactant in relation to time of administration, O2 requirement and necessity of one or more doses of surfactant. We found that early treatment with surfactant replacement- within 6 hours of birth- is more effective, and resulted in a significant reduction of mortality rate (p<0,01). Treatment with multiple doses is more effective in comparison to one dose, although there was not a significant difference (p<0,20) between the treated groups. There is a significant difference (p<0,01) between groups related to O2 requirement. In the group of babies which required 60% or more O2 concentration in inhaled air at the time of surfactant replacement, mortality rate was significantly higher (p<0,01).
Conclusion. Our study confirmed the benefits of surfactant therapy in preterm babies with respiratory distress syndrome. We confirmed the advantages of early treatment vs. late treatment, but we could not confirm the obvious advantage of multiple over single doses. So, a reasonable recommendation is to treat the infants as soon as clinical signs of developing respiratory distress appear with an individual dose for each infant.

Key words: respiratory distress syndrome, surfactant, preterm

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