17-year trends of body mass index, overweight, and obesity among adolescents from 2005 to 2021, including the COVID-19 pandemic: a Korean national representative study.

OBJECTIVE: There is a lack of pediatric studies that have analyzed trends in mean body mass index (BMI) and the prevalence of obesity and overweight over a period that includes the mid-stage of the COVID-19 pandemic. Thus, we aimed to investigate trends in BMI, overweight, and obesity among Korean adolescents from 2005 to 2021, including the COVID-19 pandemic. SUBJECTS AND METHODS: We used data from the Korea Youth Risk Behavior Web-based Survey (KYRBS), which is nationally representative of South Korea. The study included middle- and high-school students between the ages of 12 and 18. We examined trends in mean BMI and prevalence of obesity and/or overweight during the COVID-19 pandemic and compared these to those of pre-pandemic trends in each subgroup by gender, grade, and residential region. RESULTS: Data from 1,111,300 adolescents (mean age: 15.04 years) were analyzed. The estimated weighted mean BMI was 20.48 kg/m2 (95% CI, 20.46-20.51) between 2005 and 2007, and this was 21.61 kg/m2 (95% CI, 21.54-21.68) in 2021. The prevalence of overweight and obesity was 13.1% (95% CI, 12.9-13.3%) between 2005 and 2007 and 23.4% (95% CI, 22.8-24.0%) in 2021. The mean BMI and prevalence of obesity and overweight have gradually increased over the past 17 years; however, the extent of change in mean BMI and in the prevalence of obesity and overweight during the pandemic was distinctly less than before. The 17-year trends in the mean BMI, obesity, and overweight exhibited a considerable rise from 2005 to 2021; however, the slope during the COVID-19 pandemic (2020-2021) was significantly less prominent than in the pre-pandemic (2005-2019). CONCLUSIONS: These findings enable us to comprehend long-term trends in the mean BMI of Korean adolescents and further emphasize the need for practical prevention measures against youth obesity and overweight.

Impact of COVID 19 on outcome of primary percutaneous coronary intervention in Nepal

Background and Aims: The COVID 19 pandemic have affected the patients with ST segment elevation myocardial infarction as the number of patients presenting with STEMI declined substantially and those who underwent primary PCI had poor outcome. Our aim was to analyze the in-hospital and 30-days mortality in STEMI undergoing Primary PCI during second wave of COVID 19. Method(s): A prospective cohort study was conducted at Shahid Gangalal National Heart Centre, Bansbari, Kathmandu. Convenience sampling of patients who underwent primary PCI were enrolled in this study and were followed up for 30 days. Numerical variables were described as Mean +/- Standard Deviation (SD) and categorical variables were described as frequency and percentage. p values were calculated and considered significant if < 0.05. Result(s): During this study period of 2 months from 1st May 2021 to 30th June 2021, 97 patients with STEMI underwent primary PCI, including 12 (12.47%) COVID 19 positive cases. 30 days mortality was 15.4% including in-hospital mortality of 11.34%. Among COVID 19 positive cases, in-hospital mortality was 33.33% and 30-days mortality was 55.55% which was significantly higher than non COVID 19 patient who underwent primary PCI (P=0.003). Conclusion(s): Overall, mortality rate of primary PCI during COVID 19 second wave has been increased and mortality of COVID 19 positive patients who underwent primary PCI was significantly higher than non-COVID 19 patients who underwent primary PCI. Copyright © 2022 Cardiac Society of Nepal. All rights reserved.