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Most-read articles are from the articles published in 2022 during the last three month.

Original Article
The incidence and clinical characteristics of myocarditis and pericarditis following mRNA-based COVID-19 vaccination in Republic of Korea adolescents from July 2021 to September 2022
Ju-Young Sim, Seung-Yun Kim, Eun-Kyoung Kim
Osong Public Health Res Perspect. 2023;14(2):76-88.   Published online April 18, 2023
DOI: https://doi.org/10.24171/j.phrp.2023.0032
  • 3,496 View
  • 226 Download
  • 2 Web of Science
  • 2 Crossref
Graphical AbstractGraphical Abstract AbstractAbstract PDF
Objectives
Age-specific information regarding myocarditis/pericarditis in adolescents following mRNA-based coronavirus disease 2019 (COVID-19) vaccination in Asia remains insufficient. This study investigated the incidence and clinical characteristics of myocarditis/pericarditis in Republic of Korea adolescents after mRNA-based COVID-19 vaccination.
Methods
This retrospective descriptive study utilized patient data from the Korea Immunization Management System. Incidence rates were calculated according to age and sex. Clinical characteristics (symptoms/signs, laboratory values, and imaging results) were compared between mild and severe cases.
Results
Between July 19, 2021 and September 30, 2022, 3,728,224 individuals aged 12 to 19 years received 6,484,165 mRNA-based COVID-19 vaccines, and 173 cases met the case definition for myocarditis/pericarditis: 151 mild (87.3%) and 22 severe (12.7%). The incidence was 3.8-fold higher in males than in females. Troponin I/ troponin T was elevated in 96% of myocarditis cases, demonstrating higher sensitivity than creatine kinase-myocardial band (67.6%) or C-reactive protein (75.2%). ST-segment or Twave on electrography abnormalities were found in 60.3% (85/141). Paroxysmal/sustained atrial/ventricular arrhythmias were more common in severe than in mild cases (45.5% vs. 16.8%, p=0.008). Edema on T2-weighted magnetic imaging occurred in 21.6% (8/37) and 62.5% (5/8) of mild and severe cases, respectively (p=0.03). Abnormal pericardial fluid collection or pericardial inflammation was found in 75.4% of pericarditis cases (49/65).
Conclusion
Myocarditis/pericarditis occurred in rare cases following mRNA-based COVID-19 vaccination. Most cases were mild, but the incidence was higher in adolescent males and after the second dose. As bivalent severe acute respiratory syndrome coronavirus 2 mRNA vaccination started in Republic of Korea in October 2022, the post-vaccination incidence of myocarditis/pericarditis should be closely monitored, considering clinical characteristics.

Citations

Citations to this article as recorded by  
  • Responses to Common Misconceptions Relating to COVID-19 Variant-Adapted mRNA Vaccines
    George Kassianos, Pauline MacDonald, Ivan Aloysius, Shanti Pather
    Vaccines.2024; 12(1): 57.     CrossRef
  • To become a more stronger and safer country
    Jong-Koo Lee
    Osong Public Health and Research Perspectives.2023; 14(2): 67.     CrossRef
Review Article
Strategies to combat Gram-negative bacterial resistance to conventional antibacterial drugs: a review
Priyanka Bhowmik, Barkha Modi, Parijat Roy, Antarika Chowdhury
Osong Public Health Res Perspect. 2023;14(5):333-346.   Published online October 18, 2023
DOI: https://doi.org/10.24171/j.phrp.2022.0323
  • 1,646 View
  • 141 Download
  • 2 Crossref
Graphical AbstractGraphical Abstract AbstractAbstract PDF
The emergence of antimicrobial resistance raises the fear of untreatable diseases. Antimicrobial resistance is a multifaceted and dynamic phenomenon that is the cumulative result of different factors. While Gram-positive pathogens, such as methicillin-resistant Staphylococcus aureus and Clostridium difficile, were previously the most concerning issues in the field of public health, Gram-negative pathogens are now of prime importance. The World Health Organization’s priority list of pathogens mostly includes multidrug-resistant Gram-negative organisms particularly carbapenem-resistant Enterobacterales, carbapenem-resistant Pseudomonas aeruginosa, and extensively drug-resistant Acinetobacter baumannii. The spread of Gram-negative bacterial resistance is a global issue, involving a variety of mechanisms. Several strategies have been proposed to control resistant Gram-negative bacteria, such as the development of antimicrobial auxiliary agents and research into chemical compounds with new modes of action. Another emerging trend is the development of naturally derived antibacterial compounds that aim for targets novel areas, including engineered bacteriophages, probiotics, metal-based antibacterial agents, odilorhabdins, quorum sensing inhibitors, and microbiome-modifying agents. This review focuses on the current status of alternative treatment regimens against multidrug-resistant Gram-negative bacteria, aiming to provide a snapshot of the situation and some information on the broader context.

Citations

Citations to this article as recorded by  
  • Efficacy of new generation biosorbents for the sustainable treatment of antibiotic residues and antibiotic resistance genes from polluted waste effluent
    Barkha Madhogaria, Sangeeta Banerjee, Atreyee Kundu, Prasanta Dhak
    Infectious Medicine.2024; : 100092.     CrossRef
  • Evaluation of Plant-Based Silver Nanoparticles for Antioxidant Activity and Promising Wound-Healing Applications
    Maria Qubtia, Shazia Akram Ghumman, Sobia Noreen, Huma Hameed, Shazia Noureen, Rizwana Kausar, Ali Irfan, Pervaiz Akhtar Shah, Hafsa Afzal, Misbah Hameed, Mohammad Raish, Maria Rana, Ajaz Ahmad, Katarzyna Kotwica-Mojzych, Yousef A. Bin Jardan
    ACS Omega.2024;[Epub]     CrossRef
Original Articles
The effect of the COVID-19 pandemic on the trends and characteristics of natural and unnatural deaths in an urban Sri Lankan cohort viewed through retrospective analysis of forensic death investigations from 2019 to 2022
Sameera Anuruddha Gunawardena, Nishani Dassanayake, Buddhika Indeewarie Keerawelle, Shivasankarie Kanthasamy, Hasini Ranganatha, Jayani Wathsala Gunawardana
Osong Public Health Res Perspect. 2023;14(6):468-482.   Published online November 23, 2023
DOI: https://doi.org/10.24171/j.phrp.2023.0175
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  • 34 Download
Graphical AbstractGraphical Abstract AbstractAbstract PDF
Objectives
The coronavirus disease 2019 (COVID-19) pandemic has had a severe impact on global health. Apart from the disease itself, the strict restrictions and lockdowns enforced to minimize its spread have also substantially disrupted personal and public health. Methods: An analysis of forensic autopsy investigations was conducted between 2019 and 2022 on a selected urban population in Colombo, Sri Lanka, assessing the effects of the COVID-19 pandemic on mortality within these communities. Results: During the COVID-19 restrictions, there was a 2.5-fold increase in the total number of deaths, with a significantly higher percentage of female deaths than before. The majority of these deaths were due to cardiovascular causes, while COVID-19-related deaths ranked third overall. The highest proportion of COVID-19 deaths occurred among unvaccinated females. The monthly frequency of deaths from traffic accidents, poisoning, and asphyxiation decreased, while deaths from blunt trauma, sharp trauma, burns, and immersion increased. There was also a rise in blunt homicides and a greater number of femicides during the COVID-19 restrictions than in the pre-pandemic period. A significantly higher percentage of males who received the COVID-19 vaccine died from cardiovascular causes compared to those in the unvaccinated group. Conclusion: The significant changes in mortality demographics and causes of death within this community during the COVID-19 restrictions underscore the disruption in healthcare, healthseeking behavior, and social interactions during this period. The vulnerability of individuals residing in highly urbanized areas with lower socioeconomic status, particularly women, is brought into sharp focus.
Estimating the prevalence of oral manifestations in COVID-19 patients: a systematic review
Ankita Gupta, Kriti Shrivastav, Amit Agrawal, Abhishek Purohit, Roshan Chanchlani
Osong Public Health Res Perspect. 2023;14(5):388-417.   Published online September 19, 2023
DOI: https://doi.org/10.24171/j.phrp.2023.0033
  • 1,831 View
  • 71 Download
Graphical AbstractGraphical Abstract AbstractAbstract PDF
Objectives
Patients with coronavirus disease 2019 (COVID-19) present with a variety of oral manifestations. Therefore, we conducted a systematic review to estimate the prevalence of oral lesions among COVID-19 patients. Methods: An extensive literature search of several electronic bibliographic databases (PubMed, Scopus, Science Direct, Litcovid) was conducted to retrieve all articles published in the English language from January 1, 2020 to March 31, 2023 that reported the prevalence of oral manifestations among COVID-19 patients. A meta-analysis of pooled prevalence was performed using Jamovi ver. 2.3 (2022). The I2 and Q statistics were used to assess heterogeneity between studies, and p-values <0.01 were considered statistically significant. Results: In total, 79 studies with data from 13,252 patients were included. The articles were predominantly published in 2020 (n=33), and Italy was the most common country (n=14). Most of the affected patients more than 50 years old and women (56.6%). The most common sites of involvement were the tongue (n=65), followed by the oral mucosa (n=37) and lips (n=19). High heterogeneity was found between studies. The most common oral manifestation was taste alteration, followed by xerostomia and ulceration, showing pooled prevalence rates of 48%, 35%, and 21%, respectively. Conclusion: COVID-19 patients show various oral manifestations that may help clinicians identify the disease promptly. Recognition of the signs and symptoms of COVID-19 is critical for an early diagnosis and better prognosis.
Review Articles
Yersinia pestis antibiotic resistance: a systematic review
Chen Lei, Suresh Kumar
Osong Public Health Res Perspect. 2022;13(1):24-36.   Published online February 18, 2022
DOI: https://doi.org/10.24171/j.phrp.2021.0288
  • 6,390 View
  • 232 Download
  • 6 Web of Science
  • 9 Crossref
AbstractAbstract PDF
Yersinia pestis, the cause of plague and a potential biological weapon, has always been a threatening pathogen. Some strains of Y. pestis have varying degrees of antibiotic resistance. Thus, this systematic review was conducted to alert clinicians to this pathogen’s potential antimicrobial resistance. A review of the literature was conducted for experimental reports and systematic reviews on the topics of plague, Y. pestis, and antibiotic resistance. From 1995 to 2021, 7 Y. pestis isolates with 4 antibiotic resistance mechanisms were reported. In Y. pestis 17/95, 16/95, and 2180H, resistance was mediated by transferable plasmids. Each plasmid contained resistance genes encoded within specific transposons. Strain 17/95 presented multiple drug resistance, since plasmid 1202 contained 10 resistance determinants. Strains 16/95 and 2180H showed single antibiotic resistance because both additional plasmids in these strains carried only 1 antimicrobial determinant. Strains 12/87, S19960127, 56/13, and 59/13 exhibited streptomycin resistance due to an rpsl gene mutation, a novel mechanism that was discovered recently. Y. pestis can acquire antibiotic resistance in nature not only via conjugative transfer of antimicrobial-resistant plasmids from other bacteria, but also by gene point mutations. Global surveillance should be strengthened to identify antibiotic-resistant Y. pestis strains by whole-genome sequencing and drug susceptibility testing.

Citations

Citations to this article as recorded by  
  • Seek and you shall find: Yersinia enterocolitica in Ireland’s drinking water
    James Powell, Maureen Daly, Nuala H. O’Connell, Colum P. Dunne
    Irish Journal of Medical Science (1971 -).2024;[Epub]     CrossRef
  • Rapid Induction of Protective Immunity against Pneumonic Plague by Yersinia pestis Polymeric F1 and LcrV Antigens
    Moshe Aftalion, Avital Tidhar, Yaron Vagima, David Gur, Ayelet Zauberman, Tzvi Holtzman, Arik Makovitzki, Theodor Chitlaru, Emanuelle Mamroud, Yinon Levy
    Vaccines.2023; 11(3): 581.     CrossRef
  • Antibiotic resistance in Neisseria gonorrhoeae: broad-spectrum drug target identification using subtractive genomics
    Umairah Natasya Mohd Omeershffudin, Suresh Kumar
    Genomics & Informatics.2023; 21(1): e5.     CrossRef
  • Polyclonal Antibodies Derived from Transchromosomic Bovines Vaccinated with the Recombinant F1-V Vaccine Increase Bacterial Opsonization In Vitro and Protect Mice from Pneumonic Plague
    Sergei S. Biryukov, Hua Wu, Jennifer L. Dankmeyer, Nathaniel O. Rill, Christopher P. Klimko, Kristi A. Egland, Jennifer L. Shoe, Melissa Hunter, David P. Fetterer, Ju Qiu, Michael L. Davies, Christoph L. Bausch, Eddie J. Sullivan, Thomas Luke, Christopher
    Antibodies.2023; 12(2): 33.     CrossRef
  • New Bacteriophages with Podoviridal Morphotypes Active against Yersinia pestis: Characterization and Application Potential
    Tamar Suladze, Ekaterine Jaiani, Marina Darsavelidze, Maia Elizbarashvili, Olivier Gorge, Ia Kusradze, Tamar Kokashvili, Nino Lashkhi, George Tsertsvadze, Nino Janelidze, Svetlana Chubinidze, Marina Grdzelidze, Shota Tsanava, Eric Valade, Marina Tediashvi
    Viruses.2023; 15(7): 1484.     CrossRef
  • Characterization of Mu-Like Yersinia Phages Exhibiting Temperature Dependent Infection
    Biao Meng, Zhizhen Qi, Xiang Li, Hong Peng, Shanzheng Bi, Xiao Wei, Yan Li, Qi Zhang, Xiaoqing Xu, Haihong Zhao, Xiaoyan Yang, Changjun Wang, Xiangna Zhao, Olaya Rendueles
    Microbiology Spectrum.2023;[Epub]     CrossRef
  • Ancient Yersinia pestis genomes lack the virulence-associated Ypf Φ prophage present in modern pandemic strains
    Joanna H. Bonczarowska, Julian Susat, Ben Krause-Kyora, Dorthe Dangvard Pedersen, Jesper Boldsen, Lars Agersnap Larsen, Lone Seeberg, Almut Nebel, Daniel Unterweger
    Proceedings of the Royal Society B: Biological Sci.2023;[Epub]     CrossRef
  • A situation analysis of the current plague outbreak in the Demographic Republic of Congo and counteracting strategies – Correspondence
    Ranjit Sah, Abdullah Reda, Rachana Mehta, Ranjan K. Mohapatra, Kuldeep Dhama
    International Journal of Surgery.2022; 105: 106885.     CrossRef
  • Antimicrobial resistance in Klebsiella pneumoniae: identification of bacterial DNA adenine methyltransferase as a novel drug target from hypothetical proteins using subtractive genomics
    Umairah Natasya Mohd Omeershffudin, Suresh Kumar
    Genomics & Informatics.2022; 20(4): e47.     CrossRef
Global prevalence of enterobiasis in young children over the past 20 years: a systematic review and meta-analysis
Elham Kia Lashaki, Azadeh Mizani, Seyed Abdollah Hosseini, Bentolhoda Habibi, Khadijeh Taherkhani, Amir Javadi, AliReza Taremiha, Samira Dodangeh
Osong Public Health Res Perspect. 2023;14(6):441-450.   Published online December 28, 2023
DOI: https://doi.org/10.24171/j.phrp.2023.0204
  • 669 View
  • 45 Download
Graphical AbstractGraphical Abstract AbstractAbstract PDF
Parasitic infections are the most common diseases worldwide, and enterobiasis is a common parasitic infection in children. Various studies have reported on the prevalence of Enterobius vermicularis in different regions of the world. However, no study has gathered and analyzed this data systematically. Our systematic review and meta-analysis investigated the overall prevalence of E. vermicularis among children globally. Data were extracted from 4 available databases for studies published from January 2002 to April 2022. The quality of the included studies was scored based on the standard Strengthening the Reporting of Observational Studies in Epidemiology. A random-effect model was chosen to calculate the pooled prevalence and corresponding 95% confidence interval (CI) according to the degree of heterogeneity in the included studies. Thus, 40 publications (42 data sets) that included 3,279 children with enterobiasis met all criteria and were included in the analysis. The meta-analysis showed that heterogeneity among the included studies was high (Q=4,399.35, I2=99.96%; df=41; p<0.001). The pooled global prevalence of enterobiasis among the studied children was 12.9% (95% CI, 8.2%–17.7%). Our systematic review and meta-analysis estimated that, for the past 20 years, 12.9% of children around the world have been infected with E. vermicularis.
Original Article
Genetic diversity and evolutionary patterns of SARS-CoV-2 among the Bhutanese population during the pandemic
Tshering Dorji, Kunzang Dorji, Tandin Wangchuk, Tshering Pelki, Sonam Gyeltshen
Osong Public Health Res Perspect. 2023;14(6):494-507.   Published online December 14, 2023
DOI: https://doi.org/10.24171/j.phrp.2023.0209
  • 809 View
  • 40 Download
Graphical AbstractGraphical Abstract AbstractAbstract PDF
Objectives
The coronavirus disease 2019 (COVID-19) pandemic, caused by a dynamic virus, has had a profound global impact. Despite declining global COVID-19 cases and mortality rates, the emergence of new severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants remains a major concern. This study provides a comprehensive analysis of the genomic sequences of SARS-CoV-2 within the Bhutanese population during the pandemic. The primary aim was to elucidate the molecular epidemiology and evolutionary patterns of SARS-CoV-2 in Bhutan, with a particular focus on genetic variations and lineage dynamics. Methods: Whole-genome sequences of SARS-CoV-2 collected from Bhutan between May 2020 and February 2023 (n=135) were retrieved from the Global Initiative on Sharing All Influenza Database. Results: The SARS-CoV-2 variants in Bhutan were predominantly classified within the Nextstrain clade 20A (31.1%), followed by clade 21L (20%) and clade 22D (15.6%). We identified 26 Pangolin lineages with variations in their spatial and temporal distribution. Bayesian time-scaled phylogenetic analysis estimated the time to the most recent common ancestor as February 15, 2020, with a substitution rate of 0.97×10–3 substitutions per site per year. Notably, the spike glycoprotein displayed the highest mutation frequency among major viral proteins, with 116 distinct mutations, including D614G. The Bhutanese isolates also featured mutations such as E484K, K417N, and S477N in the spike protein, which have implications for altered viral properties. Conclusion: This is the first study to describe the genetic diversity of SARS-CoV-2 circulating in Bhutan during the pandemic, and this data can inform public health policies and strategies for preventing future outbreaks in Bhutan.
Brief Report
Isolation and identification of monkeypox virus MPXV-ROK-P1-2022 from the first case in the Republic of Korea
Jin-Won Kim, Minji Lee, Hwachul Shin, Chi-Hwan Choi, Myung-Min Choi, Jee Woong Kim, Hwajung Yi, Cheon-Kwon Yoo, Gi-Eun Rhie
Osong Public Health Res Perspect. 2022;13(4):308-311.   Published online August 31, 2022
DOI: https://doi.org/10.24171/j.phrp.2022.0232
  • 4,366 View
  • 128 Download
  • 7 Web of Science
  • 8 Crossref
Graphical AbstractGraphical Abstract AbstractAbstract PDF
Objectives
Monkeypox outbreaks in nonendemic countries have been reported since early May 2022. The first case of monkeypox in the Republic of Korea was confirmed in a patient who traveled to Europe in June 2022, and an attempt was made to isolate and identify the monkeypox virus (MPXV) from the patient’s specimens.
Methods
Clinical specimens from the patient were inoculated in Vero E6 cells. The isolated virus was identified as MPXV by the observation of cytopathic effects on Vero E6 cells, transmission electron microscopy, conventional polymerase chain reaction (PCR), and sequencing of PCR products.
Results
Cytopathic effects were observed in Vero E6 cells that were inoculated with skin lesion swab eluates. After multiple passages from the primary culture, orthopoxvirus morphology was observed using transmission electron microscopy. In addition, both MPXV-specific (F3L and ATI) and orthopoxvirus-specific genes (A39R, B2R, and HA) were confirmed by conventional PCR and Sanger sequencing.
Conclusion
These results indicate the successful isolation and identification of MPXV from the first patient in the Republic of Korea. The isolated virus was named MPXV-ROK-P1-2022.

Citations

Citations to this article as recorded by  
  • Ultrasensitive one-pot detection of monkeypox virus with RPA and CRISPR in a sucrose-aided multiphase aqueous system
    Yue Wang, Yixin Tang, Yukang Chen, Guangxi Yu, Xue Zhang, Lihong Yang, Chenjie Zhao, Pei Wang, Song Gao, Frederick S. B. Kibenge, Ruijie Deng, Wei Chen, Shuang Yang
    Microbiology Spectrum.2024;[Epub]     CrossRef
  • Epidemiological, Clinical, and Virological Investigation of the First Four Cases of Monkeypox in Cartagena during the 2022 Outbreak
    Steev Loyola, Mashiel Fernández-Ruiz, Doris Gómez-Camargo
    Pathogens.2023; 12(2): 159.     CrossRef
  • 원숭이두창바이러스의 분리 배양과 전장유전체 정보 분석
    민지 이, 진원 김, 치환 최, 화철 신, 명민 최, 상은 이, 화중 이, 윤석 정
    Public Health Weekly Report.2023; 16(15): 464.     CrossRef
  • Overview of Diagnostic Methods, Disease Prevalence and Transmission of Mpox (Formerly Monkeypox) in Humans and Animal Reservoirs
    Ravendra P. Chauhan, Ronen Fogel, Janice Limson
    Microorganisms.2023; 11(5): 1186.     CrossRef
  • How to cope with suspected mpox patients in the outpatient clinic
    Nam Joong Kim, Sun Huh
    Journal of the Korean Medical Association.2023; 66(5): 325.     CrossRef
  • An Updated Review on Monkeypox Viral Disease: Emphasis on Genomic Diversity
    Ali A. Rabaan, Nada A. Alasiri, Mohammed Aljeldah, Abeer N. Alshukairiis, Zainab AlMusa, Wadha A. Alfouzan, Abdulmonem A. Abuzaid, Aref A. Alamri, Hani M. Al-Afghani, Nadira Al-baghli, Nawal Alqahtani, Nadia Al-baghli, Mashahed Y. Almoutawa, Maha Mahmoud
    Biomedicines.2023; 11(7): 1832.     CrossRef
  • Monkeypox (Mpox) virus isolation and ultrastructural characterisation from a Brazilian human sample case
    Milene Dias Miranda, Gabriela Cardoso Caldas, Vivian Neuza Ferreira, Ortrud Monika Barth, Aline de Paula Dias da Silva, Mayara Secco Torres Silva, Beatriz Grinsztejn, Valdiléa Gonçalves Veloso, Thiago Moreno Souza, Edson Elias da Silva, Debora Ferreira Ba
    Memórias do Instituto Oswaldo Cruz.2023;[Epub]     CrossRef
  • Isolation and Characterization of Monkeypox Virus from the First Case of Monkeypox — Chongqing Municipality, China, 2022
    Baoying Huang, Hua Zhao, Jingdong Song, Li Zhao, Yao Deng, Wen Wang, Roujian Lu, Wenling Wang, Jiao Ren, Fei Ye, Houwen Tian, Guizhen Wu, Hua Ling, Wenjie Tan
    China CDC Weekly.2022; 4(46): 1019.     CrossRef
Original Articles
Chronic kidney disease in Indonesia: evidence from a national health survey
Puti Sari Hidayangsih, Dwi Hapsari Tjandrarini, Noor Edi Widya Sukoco, Nikson Sitorus, Ika Dharmayanti, Feri Ahmadi
Osong Public Health Res Perspect. 2023;14(1):23-30.   Published online February 14, 2023
DOI: https://doi.org/10.24171/j.phrp.2022.0290
  • 2,774 View
  • 208 Download
Graphical AbstractGraphical Abstract AbstractAbstract PDF
Objectives
Several previous studies have stated that consuming certain foods and beverages might increase the risk of chronic kidney disease (CKD). This study aimed to examine the relationships of food and beverage consumption with other risk factors for CKD. Methods: Data sources included the 2018 Basic Health Research (Riskesdas) and the National Socio-Economic Survey (Susenas), which were analyzed using a cross-sectional design. The study samples were households from 34 provinces in Indonesia, and the analysis was performed with provincial aggregates. Data were analyzed using risk factor analysis followed by linear regression to identify relationships with CKD. Results: The prevalence of CKD in Indonesia was 0.38%. The province with the highest prevalence was North Kalimantan (0.64%), while the lowest was found in West Sulawesi (0.18%). Five major groups were formed from 15 identified risk factors using factor analysis. A linear regression model presented 1 significant selected factor (p=0.006, R2 =31%). The final model of risk factors included water quality, consumption of fatty foods, and a history of diabetes. Conclusion: Drinking water quality, fatty food consumption, and diabetes are associated with CKD. There is a need to monitor drinking water, as well as to promote health education and provide comprehensive services for people with diabetes, to prevent CKD.
The value of CDC42 effector protein 2 as a novel prognostic biomarker in liver hepatocellular carcinoma: a comprehensive data analysis
Hye-Ran Kim, Choong Won Seo, Jongwan Kim
Osong Public Health Res Perspect. 2023;14(6):451-467.   Published online December 15, 2023
DOI: https://doi.org/10.24171/j.phrp.2023.0229
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Graphical AbstractGraphical Abstract AbstractAbstract PDF
Objectives
The prognostic significance of CDC42 effector protein 2 (CDC42EP2) and its association with tumor-infiltrating immune cells (TIICs) have not been explored in liver hepatocellular carcinoma (LIHC). This study aims to assess the potential prognostic value of CDC42EP2 by conducting a comprehensive analysis of online databases pertaining to LIHC. Methods: We evaluated the potential of CDC42EP2 as a prognostic biomarker by utilizing online databases such as TIMER, GEPIA2, KM, OSlihc, HPA, and LinkedOmics. Results: In LIHC, we observed that the mRNA and protein expression of CDC42EP2 were upregulated compared to normal tissues. Upregulated CDC42EP2 expression was associated with a worse prognosis based on the clinicopathological characteristics of patients with LIHC. Furthermore, CDC42EP2 was positively associated with TIICs. In the co-expression and functional enrichment analyses of CDC42EP2, 11,416 genes showed positive associations with CDC42EP2 while 8,008 genes showed negative associations. CDC42EP2-related co-expression genes were involved in protein localization to the endoplasmic reticulum, translational initiation, and RNA catabolic processes in gene set enrichment analysis-Gene Ontology (GSEAGO), and regulated the ribosome, spliceosome, and primary immune deficiency in the GSEAKyoto Encyclopedia of Genes and Genomes (KEGG) pathway. In a survival map, 23 and 17 genes that exhibited positive associations with CDC42EP2 showed a significant hazard ratio (HR) for overall survival and disease-free survival, respectively. Conclusion: Our findings demonstrated that CDC42EP2 is a novel prognostic biomarker and a potential tumor immune therapeutic target in patients with LIHC.
Characteristics and related factors of waterborne and foodborne infectious disease outbreaks before and after the onset of the COVID-19 pandemic (2017–2021) in the Republic of Korea: a descriptive study
Eunkyoung Kim, Bryan Inho Kim
Osong Public Health Res Perspect. 2023;14(6):483-493.   Published online December 14, 2023
DOI: https://doi.org/10.24171/j.phrp.2023.0221
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  • 36 Download
Graphical AbstractGraphical Abstract AbstractAbstract PDF
Objectives
The incidence of waterborne and foodborne infectious diseases (WFIDs) continues to increase annually, attracting significant global attention. This study examined trends in WFID outbreaks in the Republic of Korea over the 5-year period before and during the coronavirus disease 2019 (COVID-19) pandemic and provided foundational data to establish measures for the prevention and control of WFID outbreaks. Methods: We analyzed 2,541 WFID outbreaks from 2017 to 2021 (42,805 cases) that were reported through the Integrated Disease Surveillance System of the Korea Disease Control and Prevention Agency. Outbreaks were defined as the occurrence of gastrointestinal symptoms in ≥2 individuals within a group with temporal and regional epidemiological associations. The related factors associated with WFID outbreaks during the observation period were statistically analyzed. Results: The total number of WFID outbreaks significantly decreased in 2020 during the COVID-19 pandemic and increased to the pre-pandemic level in 2021. Different patterns were observed for each pathogen. The incidence of Salmonella outbreaks more than doubled, while norovirus outbreaks decreased significantly. Conclusion: WFID outbreaks in the Republic of Korea showed different patterns before and during the COVID-19 pandemic, influenced by infection control measures and changes in dietary consumption patterns. Outbreaks of some diseases increased, but the infection control measures applied during the pandemic resulted in a significant decrease in the overall number of WFID outbreaks. This highlights the importance of strengthening the management strategies for outbreak prevention through hygiene inspections, long-term monitoring, education, and promotion by conducting multidimensional analyses to understand the complex related factors.
Review Article
Effects of medication adherence interventions for older adults with chronic illnesses: a systematic review and meta-analysis
Hae Ok Jeon, Myung-Ock Chae, Ahrin Kim
Osong Public Health Res Perspect. 2022;13(5):328-340.   Published online October 12, 2022
DOI: https://doi.org/10.24171/j.phrp.2022.0168
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  • 156 Download
AbstractAbstract PDF
This systematic review and meta-analysis aimed to understand the characteristics of medication adherence interventions for older adults with chronic illnesses, and to investigate the average effect size by combining the individual effects of these interventions. Data from studies meeting the inclusion criteria were systematically collected in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines. The results showed that the average effect size (Hedges’ g) of the finally selected medication adherence interventions for older adults with chronic illnesses calculated using a random-effects model was 0.500 (95% confidence interval [CI], 0.342−0.659). Of the medication adherence interventions, an implementation intention intervention (using face-to-face meetings and telephone monitoring with personalized behavioral strategies) and a health belief model–based educational program were found to be highly effective. Face-to-face counseling was a significantly effective method of implementing medication adherence interventions for older adults with chronic illnesses (Hedges’ g=0.531, 95% CI, 0.186−0.877), while medication adherence interventions through education and telehealth counseling were not effective. This study verified the effectiveness of personalized behavioral change strategies and cognitive behavioral therapy based on the health belief model, as well as face-to-face meetings, as medication adherence interventions for older adults with chronic illnesses.
Original Articles
Estimation of the onset time of diabetic complications in type 2 diabetes patients in Thailand: a survival analysis
Natthanicha Sauenram, Jutatip Sillabutra, Chukiat Viwatwongkasem, Pratana Satitvipawee
Osong Public Health Res Perspect. 2023;14(6):508-519.   Published online November 23, 2023
DOI: https://doi.org/10.24171/j.phrp.2023.0084
  • 788 View
  • 54 Download
Graphical AbstractGraphical Abstract AbstractAbstract PDF
Objectives
This study aimed to identify factors associated with the onset time of diabetic complications in patients with type 2 diabetes mellitus (T2DM) and determine the best-fitted survival model. Methods: A retrospective cohort study was conducted among T2DM patients enrolled from October 1, 2016 to July 15, 2020 at the National Health Security Office (NHSO). In total, 388 T2DM patients were included. Cox proportional-hazard and parametric models were used to identify factors related to the onset time of diabetic complications. The Akaike information criterion, Bayesian information criterion, and Cox-Snell residual were compared to determine the best-fitted survival model. Results: Thirty diabetic complication events were detected among the 388 patients (7.7%). A 90% survival rate for the onset time of diabetic complications was found at 33 months after the first T2DM diagnosis. According to multivariate analysis, a duration of T2DM ≥42 months (time ratio [TR], 0.56; 95% confidence interval [CI], 0.33–0.96; p=0.034), comorbid hypertension (TR, 0.30; 95% CI, 0.15–0.60; p=0.001), mildly to moderately reduced levels of the estimated glomerular filtration rate (eGFR) (TR, 0.43; 95% CI, 0.24–0.75; p=0.003) and an eGFR that was severely reduced or indicative of kidney failure (TR, 0.38; 95% CI, 0.16–0.88; p=0.025) were significantly associated with the onset time of diabetic complications (p<0.05). Conclusion: Patients with T2DM durations of more than 42 months, comorbid hypertension, and decreased eGFR were at risk of developing diabetic complications. The NHSO should be aware of these factors to establish a policy to prevent diabetic complications after the diagnosis of T2DM.
Effectiveness of the COVID-19 vaccine in the Honam region of the Republic of Korea
In-Sook Shin, Yong-Pyo Lee, Seung-Hoon Lee, Jae-Young Lee, Jong-Ha Park, Yoon-Seok Chung
Osong Public Health Res Perspect. 2023;14(3):197-206.   Published online June 8, 2023
DOI: https://doi.org/10.24171/j.phrp.2022.0308
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Graphical AbstractGraphical Abstract AbstractAbstract PDF
Objectives
In 2021, the effectiveness of the COVID-19 vaccine was analyzed among people living in the Honam region (Gwangju, Jeollanam-do, Jeollabuk-do, and Jeju) of the Republic of Korea. And we investigated changes in the dominant virus strain.
Methods
This study used the data provided by the Korean Ministry of the Interior and Safety for individuals ≥12 years old in the Honam region, and the Integrated Disease and Health Management System of the Korea Centers for Disease Control and Prevention for COVID-19-vaccinated individuals as of December 31, 2021. Statistical analyzes were performed using IBM SPSS ver. 23.0. The occurrence of confirmed cases by vaccination status, the relative risk, and vaccine effectiveness by vaccine type were calculated.
Results
In 2021, the COVID-19 vaccination rate in Honam was 88.6%. The overall vaccine effectiveness (after 2 and 3 doses) was 98.7% (p<0.001). and the breakthrough infection rate was 0.16%. From week 21 to week 27 of 2021 (June 27 to July 3), the genome sequencing results were mostly alpha variants. The Delta variant emerged as the dominant variant after 27 weeks and the Omicron variant was found at 50 weeks (December 5–11).
Conclusion
Vaccine effectiveness changed with the outbreak of new variants of the virus as well as over time as antibody levels decreased. that the prevention effectiveness of vaccination in Honam was >98%, and the effect among persons who received 2 doses was >90% regardless of the vaccine type. Although vaccine effectiveness decreased because of reduced antibody levels over time (as observed in breakthrough infections), receiving a booster dose restored the neutralizing antibody levels.
Prevalence and patterns of adverse events following childhood immunization and the responses of mothers in Ile-Ife, South West Nigeria: a facility-based cross-sectional survey
Olorunfemi Akinbode Ogundele, Funmito Omolola Fehintola, Mubarak Salami, Rahmat Usidebhofoh, Mary Aderemi Abaekere
Osong Public Health Res Perspect. 2023;14(4):291-299.   Published online July 27, 2023
DOI: https://doi.org/10.24171/j.phrp.2023.0071
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Graphical AbstractGraphical Abstract AbstractAbstract PDF
Objectives
This study aimed to examine the prevalence and pattern of adverse events following childhood immunization and the responses of mothers in Ile-Ife, South West Nigeria.
Methods
This descriptive cross-sectional study was conducted among 422 mothers of children aged 0 to 24 months attending any of the 3 leading immunization clinics in Ile-Ife, Nigeria. The respondents were selected using the multi-stage sampling technique. Data were collected using a pretested structured interviewer-administered questionnaire and analyzed using IBM SPSS ver. 26.0. The chi-square test was used to test associations, while binary logistic regression was used to determine the predictors of mothers’ responses to adverse events following immunization (AEFIs). A p-value of <0.05 was considered statistically significant.
Results
The mean age of the respondents was 29.99±5.74 years. About 38% of the children had experienced an AEFI. Most mothers believed that the pentavalent vaccine was the most common cause of AEFIs (67.5%). Fever (88.0%) and pain and swelling (76.0%) were the most common AEFIs. More than half of the mothers (53.7%) administered home treatment following an AEFI. Younger mothers (odds ratio [OR], 2.43; 95% confidence interval [CI], 1.20–5.01), mothers who delivered their children at a healthcare facility (OR, 3.24; 95% CI, 1.08–9.69), and mothers who were knowledgeable about reporting AEFIs (OR, 2.53; 95% CI, 1.04–7.70) were most likely to respond appropriately to AEFIs.
Conclusion
The proportion of mothers who responded poorly to AEFIs experienced by their children was significant. Therefore, strategies should be implemented to improve mothers’ knowledge about AEFIs to improve their responses.

PHRP : Osong Public Health and Research Perspectives