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Tobias Strunk MD, PhD, FRACP Head, Neonatal Health tobias.strunk@thekids.org.au Head, Neonatal Health Clinical Professor Tobias Strunk is a
Rotifers are used as the first feed for marine fish larvae and are grown in large cultures that have high loads of organic matter and heterotrophic bacteria; these bacteria are passed on to the developing fish larvae and can potentially lead to bacterial infections.
Polymicrobial sepsis is associated with worse patient outcomes than monomicrobial sepsis. Routinely used culture-dependent microbiological diagnostic techniques have low sensitivity, often leading to missed identification of all causative organisms.
Preterm infants are at increased risk for invasive neonatal bacterial infections. S. epidermidis, a ubiquitous skin commensal, is a major cause of late-onset neonatal sepsis, particularly in high-resource settings. The vulnerability of preterm infants to serious bacterial infections is commonly attributed to their distinct and developing immune system.
Late-onset sepsis (LOS) with Staphylococcus epidermidis is common in preterm infants, but the immunological mechanisms underlying heightened susceptibility are poorly understood. Our aim is to characterize the ontogeny of cytokine responses to live S. epidermidis in preterm infants with and without subsequent Gram-positive LOS.
Very preterm infants have a marked innate inflammatory response at the time of late-onset sepsis
The physicochemical compatibility of alprostadil injection with secondary intravenous (IV) drugs and 2-in-1 parenteral nutrition (PN) solutions used in Neonatal Intensive Care Unit settings was investigated.
Infants born before 28 weeks' gestation account for approximately 75% of neonatal morbidity and mortality. Late-onset sepsis (LOS) affects around 25% of these infants and is associated with an increased risk of adverse long-term outcomes. The topical application of coconut oil has been used for centuries in newborn care. Coconut oil is rich in saturated fatty acids, several of which have demonstrated antimicrobial properties. It is considered safe for extremely preterm infants, improves skin condition and may reduce the incidence of LOS.
Neonatal sepsis-induced cardiovascular dysfunction includes impaired myocardial function (which may be systolic and/or diastolic) and vasoregulatory failure (which may lead to vasodilation or vasoconstriction). The haemodynamic response in neonatal sepsis may therefore be hyperdynamic or hypodynamic, and the underlying pathophysiological mechanisms are heterogenous.
The abundant skin commensal, Staphylococcus epidermidis, is the leading cause of late-onset sepsis (LOS) in preterm infants but rarely causes infections in term infants and adults. Staphylococcal virulence mechanisms and the role of the preterm immune responses in driving these life-threatening infections remain poorly understood.