Kyeong-Hyeon Chun, Hyun-Jin Kim, Dae Ryong Kang, Jang Young Kim, Wonjin Kim, Yong Whi Jeong, Seung Hwan Han, Kwang Kon Koh
{"title":"Sex-specific impact of the COVID-19 outbreak on the incidence of metabolic syndrome: a comparative study of 2018-2019 and 2020-2021.","authors":"Kyeong-Hyeon Chun, Hyun-Jin Kim, Dae Ryong Kang, Jang Young Kim, Wonjin Kim, Yong Whi Jeong, Seung Hwan Han, Kwang Kon Koh","doi":"10.3904/kjim.2024.288","DOIUrl":"10.3904/kjim.2024.288","url":null,"abstract":"<p><strong>Background/aims: </strong>The coronavirus disease 2019 (COVID-19) pandemic has significantly impacted global health, exacerbated metabolic health issues, and altered lifestyle behaviors. This study examined the sex-specific impact of the COVID-19 outbreak on the incidence of metabolic syndrome using data from the Korea National Health and Nutrition Examination Survey (KNHANES).</p><p><strong>Methods: </strong>Data from the KNHANES VII (2018) and VIII (2019-2021), including 15,499 participants, were analyzed. The study population was stratified by sex, and further subdivisions were conducted based on the timeframe relative to the COVID-19 outbreak. Variables such as age, education level, household income, smoking status, and high-risk drinking were analyzed to assess their influence on the prevalence of metabolic syndrome.</p><p><strong>Results: </strong>The overall prevalence of metabolic syndrome significantly increased from 28.11% before the outbreak to 29.69% after the outbreak. Both males and females reported significant increases in waist circumference and fasting glucose levels. Age and education level differentially influenced the prevalence of metabolic syndrome between the sex. Smoking was significantly associated with increased prevalence in males, whereas high-risk drinking was associated with increased prevalence in males and decreased prevalence in females.</p><p><strong>Conclusion: </strong>The COVID-19 pandemic has significantly increased the prevalence of metabolic syndrome with notable sex-specific differences. These findings highlight the need for sex-specific public health interventions to mitigate the impact of the pandemic on metabolic health.</p>","PeriodicalId":48785,"journal":{"name":"Korean Journal of Internal Medicine","volume":"40 2","pages":"262-274"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11938662/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143659258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Current perspectives on interstitial lung abnormalities.","authors":"Ju Hyun Oh, Jin Woo Song","doi":"10.3904/kjim.2024.335","DOIUrl":"10.3904/kjim.2024.335","url":null,"abstract":"<p><p>Interstitial lung abnormalities (ILAs) are early indicators of interstitial lung disease, often identified incidentally via computed tomography of the chest. This review explores the diagnostic criteria for ILAs as outlined by the Fleischner Society, highlights associated risk factors, examines their impact on patient outcomes, and discusses management strategies. The prevalence of ILAs varies significantly, ranging from 3% to 17% across populations. Key risk factors include advanced age, smoking status, and underlying genetic predispositions. Recent advancements in imaging analysis, particularly through automated quantitative systems, have enhanced the accuracy of ILA detection. Although often subtle in presentation, ILAs hold clinical significance due to their associations with impaired lung function, progressive fibrosis, and increased mortality. Therefore, monitoring and management plans should be individualized to the risk profile of patients. Further studies are needed to refine ILA diagnostic criteria, enhance our understanding of their clinical implications, and establish optimal timing for therapeutic interventions.</p>","PeriodicalId":48785,"journal":{"name":"Korean Journal of Internal Medicine","volume":"40 2","pages":"208-218"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11938663/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143658959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ki Jin Kim, Su-Bin Song, Jung-Bin Park, June Hwa Bae, Ji Eun Baek, Ga Hee Kim, Min-Jun Kim, Seung Wook Hong, Sung Wook Hwang, Dong-Hoon Yang, Byong Duk Ye, Jeong-Sik Byeon, Seung-Jae Myung, Suk-Kyun Yang, Chang Sik Yu, Yong-Sik Yoon, Jong-Lyul Lee, Min Hyun Kim, Ho-Su Lee, Sang Hyoung Park
{"title":"Characteristics and outcomes of portal vein thrombosis in patients with inflammatory bowel disease in Korea.","authors":"Ki Jin Kim, Su-Bin Song, Jung-Bin Park, June Hwa Bae, Ji Eun Baek, Ga Hee Kim, Min-Jun Kim, Seung Wook Hong, Sung Wook Hwang, Dong-Hoon Yang, Byong Duk Ye, Jeong-Sik Byeon, Seung-Jae Myung, Suk-Kyun Yang, Chang Sik Yu, Yong-Sik Yoon, Jong-Lyul Lee, Min Hyun Kim, Ho-Su Lee, Sang Hyoung Park","doi":"10.3904/kjim.2024.181","DOIUrl":"10.3904/kjim.2024.181","url":null,"abstract":"<p><strong>Background/aims: </strong>Portal vein thrombosis (PVT) frequently occurs in patients with inflammatory bowel disease (IBD), particularly when influenced by factors such as abdominal infections, IBD flare-ups, or surgical procedures. The implications of PVT range from immediate issues such as intestinal ischemia to long-term concerns including portal hypertension and its complications. However, there is a notable gap in comprehensive studies on PVT in IBD, especially with the increasing incidence of IBD in Asia. This research aimed to evaluate the clinical features and outcomes of PVT in patients with IBD at a leading hospital in South Korea.</p><p><strong>Methods: </strong>This retrospective analysis reviewed adult patients diagnosed with both IBD and PVT from 1989 to 2021 at a renowned South Korean medical center. The study focused on patient characteristics, specifics of PVT, administered treatments, and outcomes, all confirmed through enhanced CT scans.</p><p><strong>Results: </strong>A total of 78 patients met the study's criteria. Notably, only 20.5% (16/78) were treated with oral anticoagulants; however, a vast majority (96.2%; 75/78) achieved complete radiographic resolution (CRR). When comparing patients receiving anticoagulants to those who did not, a significant preference for anticoagulant use was observed in cases where the main portal vein was affected, as opposed to just the left or right veins (p = 0.006). However, multivariable analysis indicated that neither anticoagulant use nor previous surgeries significantly impacted CRR.</p><p><strong>Conclusion: </strong>Patients with IBD and PVT generally had favorable outcomes, regardless of anticoagulant use.</p>","PeriodicalId":48785,"journal":{"name":"Korean Journal of Internal Medicine","volume":" ","pages":"243-250"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11938685/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142878393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Su Jin Choi, Min Wook So, Sunggun Lee, Seung Won Choi, Doo-Ho Lim
{"title":"Acute gouty arthritis of the atlantoaxial joint.","authors":"Su Jin Choi, Min Wook So, Sunggun Lee, Seung Won Choi, Doo-Ho Lim","doi":"10.3904/kjim.2024.247","DOIUrl":"10.3904/kjim.2024.247","url":null,"abstract":"","PeriodicalId":48785,"journal":{"name":"Korean Journal of Internal Medicine","volume":" ","pages":"341-342"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11938730/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143484477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hayoung Seong, Hyojin Jang, Wanho Yoo, Saerom Kim, Soo Han Kim, Kwangha Lee
{"title":"Impact of tracheostomy on clinical outcomes in ventilated patients with severe pneumonia: a propensity-matched cohort study.","authors":"Hayoung Seong, Hyojin Jang, Wanho Yoo, Saerom Kim, Soo Han Kim, Kwangha Lee","doi":"10.3904/kjim.2024.248","DOIUrl":"10.3904/kjim.2024.248","url":null,"abstract":"<p><strong>Background/aims: </strong>Tracheostomy is a crucial intervention for severe pneumonia patients requiring prolonged mechanical ventilation (MV). However, debate persists regarding the influence of tracheostomy timing and performance on long-term survival outcomes. This study utilized propensity score matching to assess the impact of tracheostomy timing and performance on patient survival outcomes.</p><p><strong>Methods: </strong>A retrospective observational study employing propensity score matching was conducted of respiratory intensive care unit (ICU) patients who underwent prolonged acute MV due to severe pneumonia from 2008 to 2023. The primary outcome was the 90-day cumulative mortality rate, with secondary outcomes including ICU medical resource utilization rates.</p><p><strong>Results: </strong>Out of 1,078 patients, 545 underwent tracheostomy with a median timing of 7 days. The tracheostomy group exhibited lower 90-day cumulative mortality and a higher survival probability (hazard ratio [HR] 0.52, 95% confidence interval [CI] 0.43-0.63) than the no-tracheostomy group. The tracheostomy group had higher ICU medical resource utilization rates and medical expenditures. The early tracheostomy group (≤ 7 days) had lower ICU medical resource utilization rates and medical expenditures than the late tracheostomy group (> 7 days). However, there were no significant differences in the 90-day cumulative mortality rate and survival probability based on tracheostomy timing (HR 0.94, 95% CI 0.70-1.28).</p><p><strong>Conclusion: </strong>Tracheostomy in patients with severe pneumonia requiring prolonged MV significantly reduced the 90-day mortality rate, and early tracheostomy may offer additional benefits for resource utilization efficiency. These findings underscore the importance of considering tracheostomy timing in optimizing patient outcomes and healthcare resource allocation.</p>","PeriodicalId":48785,"journal":{"name":"Korean Journal of Internal Medicine","volume":"40 2","pages":"286-298"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11938709/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143658961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Min-Ji Kim, Sung-Woo Kim, Bitna Ha, Hyang Sook Kim, So-Hee Kwon, Jonghwa Jin, Yeon-Kyung Choi, Keun-Gyu Park, Jung Guk Kim, In-Kyu Lee, Jae-Han Jeon
{"title":"Persistent influence of past obesity on current adiponectin levels and mortality in patients with type 2 diabetes.","authors":"Min-Ji Kim, Sung-Woo Kim, Bitna Ha, Hyang Sook Kim, So-Hee Kwon, Jonghwa Jin, Yeon-Kyung Choi, Keun-Gyu Park, Jung Guk Kim, In-Kyu Lee, Jae-Han Jeon","doi":"10.3904/kjim.2024.221","DOIUrl":"10.3904/kjim.2024.221","url":null,"abstract":"<p><strong>Background/aims: </strong>Adiponectin, a hormone primarily produced by adipocytes, typically shows an inverse relationship with body mass index (BMI). However, some studies have reported a positive correlation between the two. Thus, this study aimed to examine the relationship between adiponectin level and BMI in diabetic patients, focusing on the impact of past obesity on current adiponectin levels.</p><p><strong>Methods: </strong>We conducted an observational study analyzing data from 323 diabetic patients at Kyungpook National University Hospital. Based on past and current BMIs, participants were categorized into never-obese (nn, n = 106), previously obese (on, n = 43), and persistently obese (oo, n = 73) groups based on a BMI threshold of 25 kg/m2. Adiponectin level and BMI were key variables. Kaplan-Meier analysis assessed their impact on all-cause mortality up to August 2023, with survival differences based on adiponectin quartiles and follow-up starting from patient enrollment (2010-2015).</p><p><strong>Results: </strong>The analysis revealed a significant inverse correlation between adiponectin level and past maximum BMI. The on group exhibited approximately 10% lower adiponectin levels compared to the nn group. This association remained significant after adjusting for current BMI, age, and sex, highlighting the lasting influence of previous obesity on adiponectin levels. Furthermore, survival analysis indicated that patients in the lowest adiponectin quartile had reduced survival, with a statistically significant trend (p = 0.062).</p><p><strong>Conclusion: </strong>Findings of this study suggest that lower adiponectin levels, potentially reflecting past obesity, are associated with decreased survival in diabetic patients, underscoring a critical role of adiponectin in long-term health outcomes.</p>","PeriodicalId":48785,"journal":{"name":"Korean Journal of Internal Medicine","volume":"40 2","pages":"299-309"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11938665/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143659130","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kyung-Ann Lee, Hyeji Jeon, Hyun-Sook Kim, Kyomin Choi, Gi Hyeon Seo
{"title":"Increased risk of dementia in patients with primary Sjogren's syndrome: a nationwide population-based cohort study.","authors":"Kyung-Ann Lee, Hyeji Jeon, Hyun-Sook Kim, Kyomin Choi, Gi Hyeon Seo","doi":"10.3904/kjim.2023.536","DOIUrl":"10.3904/kjim.2023.536","url":null,"abstract":"<p><strong>Background/aims: </strong>This nationwide cohort study aimed to evaluate (1) whether primary Sjogren's syndrome (pSS) can contribute to the development of dementia and (2) whether the use of hydroxychloroquine (HCQ) can decrease the incidence of dementia in patients with pSS using the Health Insurance Review and Assessment database.</p><p><strong>Methods: </strong>We established a cohort between 2008 and 2020 of 20,160 patients with pSS without a history of dementia. The control group comprised sex- and age-matched individuals with no history of autoimmune disease or dementia. Cox proportional hazard analyses were performed to identify the association between pSS and dementia development. We also assessed the hazard ratio (HR) of dementia in early users of HCQ (within 180 days of the diagnosis of pSS) compared to non-users, adjusted for age, sex, and comorbidities.</p><p><strong>Results: </strong>The incidence of dementia was 0.68 (95% CI 0.64-0.72) cases per 100 person-years in pSS, and it was 0.58 (0.56-0.60) in the controls. The adjusted HR (aHR) of developing dementia was 1.16 (1.09-1.25) times greater in the pSS group than in the controls. The risk of dementia did not increase in HCQ users (aHR 1.07 [0.94-1.21]), but HCQ non-users had a 1.22 (1.12-1.33) higher risk of developing dementia than the matched controls. The use of HCQ lowered the risk of dementia in comparison with non-users in patients with pSS (aHR 0.82 [0.71-0.94]).</p><p><strong>Conclusion: </strong>Our results suggest that pSS is associated with an increased risk of dementia. HCQ may prevent dementia in patients with pSS.</p>","PeriodicalId":48785,"journal":{"name":"Korean Journal of Internal Medicine","volume":" ","pages":"330-338"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11938687/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143484445","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}