Background Osteoarticular infections are serious invasive pathologies in the pediatric population. They have high morbidity, especially if antimicrobial treatment is inadequate and late. Based on pediatric series patients with osteomyelitis require prolonged antibiotic schemes, long stay and high hospital costs, multiple surgical procedures and develop short and long-term sequelae. Methods A retrospective, observational, longitudinal and analytical study was conducted in patients under 17 years of age diagnosed with osteomyelitis at the National Institute of Pediatrics from January 2009 to January 2019. Demographic information, clinical presentation, microbiological, treatment and six-month follow-up were recorded. Results A total of 109 patients were included, 57 (52%) males with median age of 98 (1-205) months with predominance in previous healthy (66%). By temporality, the chronic form predominated in 72%. The history of trauma was identified in 26% and fracture 19%. The most affected bone was femur 26%. Blood culture was performed in 55%, secretion culture in 52.2% with isolation in 56%. Methicillin-susceptible Staphylococcus aureus (MSSA) was the main agent identified. Complications occurred in 37%, the most frequent was surgical wound infection in 13% followed by fracture 11%. Risk factors for complications were chronic osteomyelitis RR 5.7 (CI 1.8-17.9), Sepsis/Shock RR 3.8 (CI 1.08-13-8) and MSSA infections RR 2.7 (CI 1.01-7.5); Risk factors for surgical site infection included initial fracture RR 3.5 (CI 1-11), local ulcer RR 4.2 (CI 1.3-13.06) and MSSA infection RR 5.9 (CI 1.8-19.4). Risk factors for limitation to movement included chronic osteomyelitis RR 4.87 (CI 1.6-14), fever RR 2.5 (CI 1.15-5.5), Sepsis/shock RR 5.3 (CI 1.3-20) (p 0.013) and MSSA infection RR 4.1 (CI 1.4-11.9). Conclusion Osteomyelitis is still a health problem in our country. The diagnosis of osteomyelitis may be challenging as lack of suspicion often leads to delayed diagnosis. Knowledge of the risk factors for complications in pediatric patients could be useful to give early and proper antibiotic and surgical treatment. It is a priority to have a multidisciplinary team for the diagnosis and treatment of osteoarticular infections. Disclosures All Authors: No reported disclosures
Background Coinfection in patients with SARS-CoV-2 has been associated with greater complications. We describe the clinical characteristics and outcomes of 126 pediatric patients with COVID-19 and viral, bacterial, or fungal coinfection. Methods We retrospectively reviewed and analyzed electronic data of all pediatric patients who tested positive for SARS-CoV-2 from April 16, 2020, to April 15, 2022, in our center. Confirmation of COVID-19 was based on positive RT-PCR. Viral coinfections (VC) were identified using a multiplex RT-PCR respiratory viral panel, bacterial coinfection (BC) was determined by positive bacterial culture (blood, bronchoalveolar lavage, sputum, urine) or clinical/radiological manifestations and antimicrobial assessment by a pediatric Infectious Diseases expert and fungal coinfection (FC) diagnosis based on Consensus definitions of invasive fungal disease. Results During the study period, among 400 pediatric patients with COVID-19, 126 children had coinfection. Children >10 years were the most affected age group. Underlying disease was present in 69%, hematological malignancies were the most common (17.5%). BC was detected in 76.9% (n=97), bacterial pneumonia (54.6%) was the main diagnosis, followed by oncologic patients with initial febrile neutropenia and posterior SARS-CoV-2 detection (14,4%). Unusual BC as congenital syphilis w detected; acute appendicitis was the initial presentation of COVID-19 in 8 patients. VC was identified in 15.87% (n=20), prevailing rhinovirus (9.5%) and adenovirus (3.96%), One FC presented as proven pulmonary aspergillosis (0.8%). B-V and B-F coinfection were detected in 2 patients. Fever and cough were the most common symptoms, higher fever >40°C was mostly observed in the BC group (3%). Twenty-seven patients with BC (27.8%) were admitted to intensive care, with the OR 0.7 IR 95% (0.611–1.008), 4.1% died. One ICU admission was observed in the VC group (5%) and all VC cases resolved without complications. Conclusion Pediatric patients with COVID-19 coinfection, especially BC were common in our center representing nearly one-third of the infected children, including unusual coinfections. BC was identified as a risk factor for ICU admission OR 0.7 IR 95% (0.611–1.008). Favorable outcomes were observed in most cases. Disclosures All Authors: No reported disclosures.
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