The present study indicates that children admitted to neonatal intensive care units are likely to receive an off-label medication; children who receive an off-label medication are usually more likely to be treated with more medication than the others; adverse drug reactions occur in patients admitted in neonatal intensive care and pediatrics are units are more frequently with off-label than with on-label drugs.
Neonates hospitalized in NICU are at risk for healthcare associated infections because of their poor immune defenses, related to gestational age, colonization of mucous membranes and skin with nosocomial microorganisms, exposure to antibiotics, invasive procedures and frequent contacts with healthcare workers (HCWs). Healthcare associated infections are the major source of morbidity and mortality in NICU in the developed world. Most infections are caused by Gram-positive organisms, fulminant sepsis are often associated to Gram-negative organisms, fungal sepsis occurs frequently in ELBW infants. Hand hygiene is the most important preventive procedure, nevertheless hand hygiene compliance among HCWs remains low. Continuous educational strategies can improve hand hygiene and contribute to reducing the incidence of neonatal infections. Other important prevention strategies include early enteral feeding with human milk, minimization and safety in the use of invasive devices, limiting unnecessary empiric broadspectrum antibiotics, eventual use of lactoferrin bifidobacteria and lactobacilli, prophylactic administration of fluconazole in VLBW. Emergence of multi drug resistant organisms (MDRO) is a worrying perspective. Methicillin-resistant Staphylococcus aureus (MRSA) is an important healthcare-associated pathogen. Active surveillance culturing for MRSA carriers, in combination with contact precautions and decolonization in some hyperendemic settings, has been proved to reduce MRSA transmission and infection rates. Multidrug-resistant Gram-negatives are frequently reported. Overuse of antimicrobial drugs and crosstransmission via caregiver hands, contaminated equipment or inanimate objects are the major drivers of selection and dissemination. Strategies to control outbreaks of MDRO colonization/infection in the NICU may include performing hand hygiene, cohorting and isolating patients, screening healthcare workers and performing admission and periodic surveillance cultures.
Methicillin-resistant Staphylococcus aureus (MRSA) is well known as one of the most frequent etiological agents of healthcare-associated infections. The epidemiology of MRSA is evolving with emergence of community-associated MRSA, the clonal spread of some successful clones, their spillover into healthcare settings and acquisition of antibacterial drug resistances. Neonatal intensive care unit (NICU) patients are at an especially high risk of acquiring colonization and infection by MRSA. Epidemiology of MRSA in NICU can be very complex because outbreaks can overlap endemic circulation and make it difficult to trace transmission routes. Moreover, increasing prevalence of community-associated MRSA can jeopardize epidemiological investigation, screening and effectiveness of control policies. Surveillance, prevention and control strategies and clinical management have been widely studied and are still the subject of scientific debate. More data are needed to determine the most cost-effective approach to MRSA control in NICU in light of the local epidemiology.
Background Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) has recently emerged as an important pathogen in neonatal intensive care units (NICUs). The purposes of this study were to characterize methicillin-resistant isolates from an outbreak in a NICU, to examine the genetic traits and clonality of CA-MRSA, and to review the characteristics and outcomes of the neonatal cases and investigate the routes of entry and transmission of the MRSA outbreak strain in the NICU under study. Methods The study NICU practiced an active surveillance program for multidrug-resistant organisms, including weekly cultures for detection of MRSA from nasal swabs among all the admitted neonates. All first isolates from surveillance cultures and all clinical isolates were submitted for susceptibility testing and genotyping. Data from each infant’s medical records were prospectively included in a database, and the clinical features and outcomes of the colonized/infected infants were assessed. Results A total of 14 infants were colonized or infected by a strain of ST1-MRSA-IVa between April and August 2011. The CA-MRSA strain appeared to have been introduced to the NICU by an infected infant transferred from another hospital. The outbreak was successfully contained by multifaceted infection control interventions. Conclusions The results of this study confirm that NICU is a healthcare setting with a critical permeability to CA-MRSA. Active surveillance including molecular typing can help to detect and monitor the spread of antimicrobial drug-resistant organisms, and thus trigger timely control interventions.
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