Background: Respiratory tract infections (RTIs) are a leading cause of pediatric emergency department (PED) visits, especially in children under five. These infections are primarily viral, complicating diagnosis and management. This study assesses the impact of point-of-care (POC) rapid diagnostic tests for respiratory viruses on clinical and economic outcomes in a PED setting. Materials and Methods: A retrospective analysis of 1396 POC tests for RSV, adenovirus, and influenza A/B was conducted in the PED of the Giannina Gaslini Institute, Genoa, Italy, from December 2022 to April 2024. Demographics, blood tests, admissions, and readmission rates were evaluated. Statistical analyses were performed using appropriate tests for categorical and continuous variables. Results: Of the tests, 31.5% were positive for at least one virus. Positive patients were younger and had higher hospitalization rates (50.7% vs. 39.9%) but fewer blood tests (38.2% vs. 51.7%). Economic analysis indicated lower costs for virus-positive patients. RSV-positive patients showed a significant association with higher hospitalization rates (67.8%) and readmission within 72 h. Conclusions: POC testing significantly improves patient management in PEDs by enabling rapid diagnoses, reducing unnecessary tests and hospitalizations, and guiding appropriate treatment. This approach supports better resource allocation, crucial during peak seasons, and has implications for reducing antibiotic use and resistance. Further research is warranted to explore long-term impacts on patient outcomes and healthcare efficiency.

Background. Overcrowding in emergency departments (EDs), particularly pediatric emergency departments (PEDs), remains a significant challenge that affects patient outcomes and the efficiency of healthcare. Rapid diagnostic tests (RDTs) for respiratory viruses could be a promising tool for improving patient management by enabling prompt etiological diagnoses. This study investigated whether positive RDT results for influenza or adenovirus were associated with differences in length of stay (LOS) in a tertiary PED during epidemic seasons. Methods. A retrospective cohort study was conducted at IRCCS Istituto Giannina Gaslini, Genoa, Italy, over two epidemic seasons (December–February, 2023–2025). All consecutive pediatric patients presenting with fever and respiratory symptoms who underwent rapid diagnostic testing for influenza and/or adenovirus during two epidemic seasons were included. LOS was assessed as the time from triage to discharge (TTD) and from physician assignment to discharge (ATD). Patients were stratified by positive versus negative RDT results. Analyses between groups used the Mann–Whitney U-test for continuous variables and chi-square or Fisher’s exact test for categorical variables. A two-tailed p-value < 0.05 was considered significant. Results. Of the 1238 patients analyzed, the median age was 3.3 years (IQR 1.4–7.2), with male predominance (58.1%). A total of 330 patients (26.6%) tested positive. Compared with negative results, positive RDTs were associated with shorter median TTD (217.0 vs. 239.0 min, p < 0.001) and ATD (66.0 vs. 148.5 min, p < 0.001), which was consistent in both the influenza and adenovirus subgroups. No significant difference in 72 h readmission rates was observed between groups. Conclusions. Among children tested with RDTs for influenza and adenovirus, positive results were associated with reduced PED LOS without increasing early return visits. While these findings suggest a potential role in supporting patient flow, conclusions regarding the broader impact on PED overcrowding should be drawn with caution. Further prospective studies, including non-tested controls and additional viral targets, are required.

Background/Objective: Pediatric Intermediate Care Units (PIMCUs) provide enhanced monitoring and support for children who require more care than standard wards but do not meet full Pediatric Intensive Care Unit (PICU) criteria. Despite their growing role, evidence on how to stratify risk and predict clinical trajectories within this specific population remains scarce. This study aimed to identify admission factors associated with (1) early unplanned transfer to the PICU within 48 h and (2) prolonged length of stay (LOS) in the PIMCU of a tertiary Italian pediatric hospital. Methods: We conducted a retrospective observational study including 893 children admitted to the PIMCU at IRCCS Gaslini Children’s Hospital (Genoa, Italy) between January 2022 and June 2023. Demographic, clinical, laboratory, and outcome data were collected. Multivariable logistic regression and negative binomial models were used to assess predictors of early PICU transfer and prolonged LOS, respectively. Results: Early PICU transfer occurred in 2.8% of cases. Tachypnea (OR = 2.80; p = 0.018) and nasogastric tube (OR = 3.72; p = 0.014) at admission were independently associated with PICU transfer within 48 h. Prolonged LOS was significantly associated with the need for respiratory support and the presence of medical devices, including nasogastric tubes, central venous lines, and thoracic/abdominal drains. Conclusions: Specific clinical markers and device use at admission can help identify patients at higher risk of deterioration or extended PIMCU stay, supporting more accurate triage, early intervention, and resource optimization in pediatric intermediate care settings.

Background: Celiac disease (CD) is the most common multisystemic autoimmune disorder affecting the pediatric population. However, little data is available regarding SARS-CoV-2 vaccination coverage in pediatric patients with CD. This study aims to evaluate the adherence to national recommendations for SARS-CoV-2 vaccination in children and adolescents with CD and its variation over time. Methods: We retrospectively analyzed medical charts and electronic registry records of SARS-CoV-2 vaccination of patients aged 0–19 years diagnosed with CD in a tertiary center. The vaccination coverage was evaluated according to age groups (young children, children, and adolescents), considering the patients’ eligibility for vaccination at different times. Results: Among the 172 patients enrolled, 44.8% received at least one dose of the SARS-CoV-2 vaccine, showing no significant differences compared to the Italian population of similar age. Vaccination coverage demonstrated a progressive reduction after an initial peak (up to 65.5% in December 2021) concomitant with a gradual extension of vaccinable eligibility and falling SARS-CoV-2 infections. Histological diagnosis and the presence of other associated autoimmune diseases were associated with higher levels of adherence to vaccination. Conclusions: Adherence to the SARS-CoV-2 vaccination in young Italian children with CD was very low, while it was better in adolescents and patients with other associated autoimmune diseases. Vaccine hesitancy remains a concern, particularly among those diagnosed using the biopsy-sparing approach. Hesitancy increased during the pandemic period, suggesting the need for ongoing efforts to improve adherence to SARS-CoV-2 vaccination recommendations.

Background: Respiratory tract infections (RTIs) represent one of the most prevalent reasons for visits to Pediatric Emergency Departments (PEDs). Because viral and bacterial presentations frequently overlap, a substantial proportion of antibiotic prescriptions in pediatric acute care are potentially unnecessary, contributing to antimicrobial resistance. Rapid Diagnostic Tests (RDTs) for respiratory viruses have been suggested as tools to enhance diagnostic precision and support antimicrobial stewardship. However, evidence regarding their real-world impact in pediatric emergency settings is limited. Objectives: This study aimed to assess the association between point-of-care RDT results and antibiotic management in a tertiary PED, focusing on both the discontinuation of antibiotics in children already receiving treatment and the avoidance of new antibiotic prescriptions in untreated children. The secondary objective was to evaluate the short-term safety through 72-h return visits. Methods: A retrospective cohort study was conducted at a tertiary PED during two epidemic seasons (December–February 2023–2024 and 2024–2025). Children aged <18 years who underwent RDTs for febrile respiratory illnesses were included. Patients were stratified based on whether they were already receiving antibiotic therapy at presentation. The primary outcomes were antibiotic discontinuation among treated patients and initiation among untreated patients. Unplanned return visits to the PED within 72-h post-discharge were used as a pragmatic short-term safety outcome to capture early clinical deterioration. RDTs (SD Biosensor Standard F Antigen) were performed at the bedside with a turnaround time of 10–15 min. Results: A total of 1238 children were included, of whom 330 (26.6%) tested positive for influenza and/or adenovirus. Among the 234 children already receiving antibiotics, discontinuation was significantly more frequent in the RDT-positive group (p < 0.001; OR 0.044). Among the 1004 untreated children, antibiotic prescription was significantly lower in the positive group than in the negative group (p < 0.001; OR 0.097). Return visits within 72-h did not differ between the groups in either cohort. No invalid tests occurred. Conclusions: Influenza/adenovirus RDT positivity was associated with lower antibiotic initiation among untreated children and higher discontinuation among those already receiving antibiotics, with no differences in 72-h return visits. These findings suggest a potential role for bedside viral testing as a decision-support tool for antibiotic management in the PED.

Background/Objective: Pediatric Intermediate Care Units (PIMCUs) provide enhanced monitoring and support for children who require more care than standard wards but do not meet full Pediatric Intensive Care Unit (PICU) criteria. Despite their growing role, evidence on how to stratify risk and predict clinical trajectories within this specific population remains scarce. This study aimed to identify admission factors associated with (1) early unplanned transfer to the PICU within 48 hours and (2) prolonged length of stay (LOS) in the PIMCU of a tertiary Italian pediatric hospital. Methods: We conducted a retrospective observational study including 893 children admitted to the PIMCU at IRCCS Gaslini Children’s Hospital (Genoa, Italy) between January 2022 and June 2023. Demographic, clinical, laboratory, and outcome data were collected. Multivariable logistic regression and negative binomial models were used to assess predictors of early PICU transfer and prolonged LOS, respectively. Results: Early PICU transfer occurred in 2.8 % of cases. Tachypnea (OR = 2.80; p = 0.018) and nasogastric tube (OR = 3.72; p = 0.014) at admission were independently associated with PICU transfer within 48 hours. Prolonged LOS was significantly associated with the need for respiratory support and the presence of medical devices, including nasogastric tubes, central venous lines, and thoracic/abdominal drains. Conclusions: Specific clinical markers and device use at admission can help identify patients at higher risk of deterioration or extended PIMCU stay, supporting more accurate triage, early intervention, and resource optimization in pediatric intermediate care settings.