Objective: Despite the increase in the number of global studies on COVID-19 that has been increasingly contagious among children, no comprehensive bibliometric studies have been found in the literature concerning COVID-19 in pediatrics. This study aimed to perform a holistic analysis of the scientific outputs about COVID-19 in pediatrics using various statistical methods. Methods: The articles published in the research area of pediatrics on COVID-19 between January 1st, 2020 and February 13th, 2022 were downloaded from the Web of Science (WoS) and analysed using various statistical methods. Spearman's correlation analysis was performed for related research. Bibliometric network visualization diagrams were generated to reveal trending topics and cross-country collaborations. Results: A total of 5315 publications were found. Among these publications, 47.7% (n=2540) were articles. The top 5 contributors to the literature were the USA (955), Italy (278), the UK (219), Turkey (148), and China (137). The top 3 most productive institutions were Harvard University (n=107), the University of California System (n=85), and the University of London (n=75). The top 3 journals with the highest number of articles were Frontiers in Pediatrics (n=163), Pediatric Infectious Disease Journal (n=121), and Pediatrics (n=106). The top 3 most effective journals based on the mean number of citations per article were Pediatria i Medycyna Rodzinna, Lancet Child Adolescent Health, and JAMA Pediatrics. Conclusion: Topics studied on COVID-19 in pediatrics in recent months were screen time, sleep, physical activity, Type 1 diabetes, obesity, vaccine, neonatology, congenital heart disease, qualitative research, school closure, and pediatric emergency medicine.

Background: Recurrent aphthous stomatitis is one of the most common oral mucosal diseases. It is characterized by recurrent painful attacks. Its etiology is unknown. Vitamin D (vit D) is a steroid vitamin with immunomodulatory and anti-inflammatory effects. It is thought that oral cavity diseases may occur in vitamin D deficiency. This study aimed to investigate vit D levels in pediatric patients with recurrent aphthous stomatitis.Methods: In this retrospective study, 86 children with recurrent aphthous stomatitis and 71 age-matched healthy children were included in the study. The 25-hydroxyvitamin D levels examined with the enzyme immune assay were recorded for both groups.Results: Serum vit D level was 12±4.5 ng/ml in the group with aphthous stomatitis and 31±7 ng/ml in the healthy group. A statistically significant difference was found in vit D levels between the two groups (p<0.001).Conclusions: Vit D levels were significantly low in children with recurrent aphthous stomatitis. Our findings suggest that low vit D levels may be associated with recurrent aphthous stomatitis.

Objective: Reference values of NT-proBNP levels in newborns may vary depending on gestational age, postnatal age and Apgar scores. However, the effect of the mode of delivery has been less investigated, and the results are contradictory. In this study, it was aimed to compare NT-proBNP levels in healthy term newborns born through vaginal delivery and cesarean (C/S) and to investigate whether delivery method had an effect on it. Material and Methods: Healthy newborns born in our hospital and with a gestational age of ≥38 weeks were included in the study. Cases (n=56) were grouped according to delivery type. Both groups were similar in terms of gender, gestational age, body weight and Apgar scores. NT-proBNP levels, hematological parameters, LDH and CPK levels were studied in blood samples taken in the first hours after birth. The two groups were compared in terms of these parameters and it was investigated whether there was a relationship between the parameters. Results: NT-proBNP levels were 3145 (372-7231) pg/ml in newborns born vaginally and 783 (401-6563) pg/ml in newborns born by cesarean section (p

Giriş: Çocukluk çağının benign akut miyoziti (ÇÇABM) genellikle okul çağındaki çocukları etkileyen, simetrik baldır ağrısı ve ani olarak yürümeyi reddetme ile karakterize, kendiliğinden düzelebilen bir klinik tablodur ve kreatin fosfokinaz (CK) yüksekliği eşlik etmektedir. Çalışmamızın amacı ÇÇABM olgularımızın özelliklerinin ortaya konulmasıdır. Gereç ve Yöntem: Retrospektif olarak, hastanemiz Çocuk Acil Servis ve Çocuk Sağlığı ve Hastalıkları Polikliniklerine Ekim 2019 -Mart 2020 arasında üst solunum yolu enfeksiyonu ile başvuran ve ÇÇABM tanısı alan hastalar dahil edildi. Hastaların hastane bilgi yönetim sistemine kayıtlı takvim yaşı, hemogram, CRP, AST, ALT, LDH, CK, CK-MB düzeyleri değerlendirildi. İstatistiksel analizler IBM SPSS Statistics for Windows 22.0 yazılımı ile gerçekleştirildi. Bulgular: Ortalama yaşı 6,4±2,9 (5,0-12,9) yıl olan 52 olgunun %71,2'si (n=37) erkek cinsiyette idi. Hastaların %92,8'i (n=48) üst solunum yolu enfeksiyonunu (ÜSYE) takiben yürüyememe şikayeti ile başvururken, %5,8'i (n=3) ÜSYE ve karın ağrısı; %1,9'u (n=1) ÜSYE ve göğüs ağrısı şikayetiyle başvurmuştu. İlk başvuruda ölçülen ortalama serum CK düzeyi 1777,4±2320,5 (188-11383) IU/L olup, başvurunun 4. gününde ortalama 1104,3±1720,5 (81-7190) IU/L düzeyi ile anlamlı düşüş saptandı (p=0,011). Benzer şekilde AST, ALT, LDH düzeylerinde de 4. günde anlamlı düzelme gözlendi (p=0,053, p=0,001, p=0,043).Sonuç: Çalışmamızda ÇÇABM'nin erkek çocuklarda kızlara göre 2,4 kat daha sık görüldüğü, CK düzeyinin başvurunun 4. gününde anlamlı azaldığını saptadık. Başlangıç bulgularının ani ve hızlı olması nedeniyle endişe verici bir durum olsa da; kendiliğinden ve hızlı düzelen seyri, sekelsiz iyileşmeyle sonuçlanması nedeniyle benign bir tablo olduğu, bu süreçte gereksiz ve tekrarlayan tetkiklerden kaçınılması gerektiği akılda tutulmalıdır.

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