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Background: Tuberculosis (TB) infection is transmitted by sharing the same airway with people with active TB. Children are often not considered the source of TB bacilli, and index case investigation is carried out after diagnosis. Here, we describe the impact of the presence of a household index case on childhood TB disease., Methods: The data of patients aged between 1 month and 18 years who were diagnosed with TB were collected. We compared patients according to whether they had an index case in the household or not., Results: A total of 202 TB patients were enrolled, of whom 62 (30.7%) had a household index case. There was no significant difference in having a household index case between TB patients under the age of five (23.3%) and older children (33.8%) (p = .140). Pulmonary TB was present in 61.4% of the cases, and extrapulmonary TB was present in 38.6% of the cases. The rate of patients who had a household index case was significantly higher in pulmonary TB (46.8%) compared to extrapulmonary TB (5.1%) (p < .001). Pulmonary TB patients with a history of household contact were more likely to have diagnostic radiological findings (93.1%) compared to those without (75.8%) (p = .009). However, pulmonary TB patients without household contact history had a higher rate of diagnostic microbiological findings (59.1%) and constitutional symptoms (63.6%) (p = .019 and p = .013, respectively)., Conclusion: Household contact research is an important epidemiological tool. However, considering the contact rates in the household, new and more comprehensive public health programs are required to prevent the spread of childhood tuberculosis., (© 2024 Wiley Periodicals LLC.)

Competing Interests: The authors have no funding or conflicts of interest to disclose.

This study aimed to assess the therapeutic effects of implementing the BioFire ® Blood Culture Identification 2 (BCID2) Panel (bioMérieux, Marcy l'Etoile, France) in the clinical practice of children with sepsis. This retrospective cross-sectional study included children from 15 days of age to 18 years old with sepsis and of whom the BCID2 Panel was studied from the positive blood culture. If the antimicrobial treatment was changed according to the results of BCID2 Panel, it was recorded and re-grouped as targeted antimicrobial therapy, de-escalation of the antimicrobial treatment and shifting to another antimicrobial drug if any antimicrobial resistance was detected. Seven-days and thirty-days mortality rate was recorded. Thirty-two patients with 36 septic episodes with positive BCID2 Panel results were included. The median age was 10 months 15 days (ranging from 15 days to 16.5 years). The mean difference between having positive results by the BCID2 Panel and conventional culture methods was 82.2 ± 45.4 h (ranging from 12.3 to 207 h). Effect of the BCID2 Panel on the antimicrobial treatment was detected in 69.4% of the episodes (n = 25). Glycopeptides were ceased at 6 patients, piperacillin/tazobactam was ceased at 6 patients, and cefotaxime was ceased at one patient and de-escalation was achieved in 13 episodes which formed the 36.1% of the initial antimicrobial treatment.   Conclusion: The BCID2 Panel had an important impact on the patients care and optimization according to the principles of antimicrobial stewardship. The BCID2 Panel may be one of the key items for rapid and accurate diagnosis in children with sepsis. Blood culture is still the mainstay for especially detection of antimicrobial drug resistance, while BCID2 tests had several advantages such as speed and diagnostic accuracy as good as blood culture. What is Known: • The BioFire ®  Blood Culture Identification 2 (BCID2) Panel (bioMérieux, Marcy l'Etoile, France) is a well-validated assay that allows for the simultaneous identification of 43 nucleic acid targets associated with bloodstream infections within about 1 h. What is New: • BCID2 Panel had a direct impact on the patient's treatment decision at the 69.4% of the sepsis episodes. • The clinicians received the microbiological results 82.2 h earlier with BCID2 panel compared to blood culture methods with antimicrobial resistance and de-escalation of the antimicrobial drugs was achieved at 13 episodes which formed the 36.1% of the initial treatment., (© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)

Children with COVID-19 usually show milder symptoms than adults; however, a minority of them may have cardiac involvement. We aimed to identify the role of troponin I levels that may predict early cardiac involvement in children with COVID-19. A single-center retrospective study was conducted to evaluate hospitalized children diagnosed with COVID-19 between March 11, 2020, and December 31, 2021. Patients with available troponin I levels and with no known cardiac disease were included. During the study period, 412 children with COVID-19 who had troponin I levels on admission were identified. Troponin levels were elevated in 7 (1.7%) patients and were normal in 395 (98.3%) patients. The median age of patients with elevated troponin levels was 4 (min. 2-max. 144) months, which was statistically lower than the age of patients with normal troponin levels (P = 0.035). All the patients with elevated troponin levels had tachycardia. Out of 7 patients with high troponin levels, 3 (42.9%) of them were admitted to the pediatric intensive care unit (PICU), 2 (28.6%) required oxygen support, and 1 (14.3%) required a mechanical ventilator. Patients with elevated troponin levels had a statistically longer hospital stay (P < 0.001). Neutropenia, tachycardia, PICU admission, oxygen support, and mechanical ventilation were statistically more common in patients with elevated troponin levels (P values were 0.033, 0.020, < 0.001, 0.050, and < 0.001, respectively). Electrocardiography (ECG) and echocardiography (ECHO) were performed on all patients with elevated troponin levels, and 6 (85.8%) patients were diagnosed with myocarditis. The ECG and ECHO have been performed in 58 (14.3%) out of 405 patients with normal troponin levels. Two (3.5%) patients had negative T waves on ECG, and all ECHOs were normal. Our results suggest that elevated troponin I levels in children with COVID-19 can be used to evaluate cardiac involvement and decide the need for further pediatric cardiologist evaluation., (© 2022. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)