{"title":"Diagnosis and Treatment of Premature Atrial or Ventricular Complexes","authors":"Jinhee Ahn","doi":"10.3904/kjm.2024.99.1.17","DOIUrl":"https://doi.org/10.3904/kjm.2024.99.1.17","url":null,"abstract":"Premature atrial complex (PAC) and premature ventricular complex (PVC) are the most common arrhythmias. Most of them are benign, whereas some could be an initial sign of any underlying significant heart disease. Evaluation of daily burden and the presence of any association with underlying medical conditions are essential for proper assessment. Recently, newly developed electrocardiogram smart devices are widely available to document arrhythmias and identify correlations with symptoms. Management is required if the daily burden is high, patients are highly symptomatic, or significant structural heart disease is present. Antiarrhythmic drugs (AADs) are the first-line treatment, but if arrhythmias are drug-refractory or the patients are intolerable to AADs, catheter ablation is considered a good alternative in selected cases. In this paper, the proper diagnosis and management for PAC and PVC will be comprehensively reviewed.","PeriodicalId":517046,"journal":{"name":"The Korean Journal of Medicine","volume":"65 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139893777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hyungwoo Cho, Jung Yong Hong, Daeho Lee, S. Kim, Kyoungmin Lee, E. Kang, Sunjong Lee, J. Park, Jeong Hoon Kim, Jin-Sook Ryu, J. Huh, C. Suh
{"title":"Single-Center Real-World Experience with Primary Central Nervous System Lymphoma in the 21st Century","authors":"Hyungwoo Cho, Jung Yong Hong, Daeho Lee, S. Kim, Kyoungmin Lee, E. Kang, Sunjong Lee, J. Park, Jeong Hoon Kim, Jin-Sook Ryu, J. Huh, C. Suh","doi":"10.3904/kjm.2024.99.1.37","DOIUrl":"https://doi.org/10.3904/kjm.2024.99.1.37","url":null,"abstract":"Background/Aims: In Korea, the incidence of primary diffuse large B-cell lymphoma of the central nervous system (PCNSL) is increasing and autologous stem cell transplantation (ASCT) has improved the survival of younger patients. We explored our real-world experience with PCNSL at Asan Medical Center (AMC).Methods: We used the AMC lymphoma registry to collect patient data prospectively. We analyzed 279 patients diagnosed from 2002 until August 2019.Results: The PCNSL incidence at AMC increased progressively and comprised 7.4-8.9% of new non-Hodgkin lymphoma patients annually during the most recent 4 years. The median age was 60 years (range, 17-85) and males comprised 55%. Patients under 65 years of age (n = 183) had no significant differences in characteristics compared to those aged 65 years or over, with the exception of less occipital lobe involvement and lower beta-2 microglobulin levels. Rituximab, methotrexate, procarbazine, and vincristine (R-MPV) combination induction had the best overall response, of 95%. The median overall survival was 3.8 years with 5- and 10-year survival rates of 41.5% and 30.2%, respectively. Survival was better in younger patients and those treated with ASCT. Thiotepa, busulfan, and cytoxan (TBC) conditioning chemotherapy had better survival than other combinations. The International Extranodal Lymphoma Study Group and Memorial Sloan Kettering Cancer Center prognostic score systems were valid in this cohort. Age and performance status were independent prognostic factors. Exclusive extra-central nervous system failure occurred in six patients (5.6%) among 107 failures.Conclusions: The incidence of PCNSL is rising. R-MPV induction therapy followed by ASCT with TBC has improved the survival of young, fit PCNSL patients.","PeriodicalId":517046,"journal":{"name":"The Korean Journal of Medicine","volume":"274 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139894212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Diagnosis and Treatment of Premature Atrial or Ventricular Complexes","authors":"Jinhee Ahn","doi":"10.3904/kjm.2024.99.1.17","DOIUrl":"https://doi.org/10.3904/kjm.2024.99.1.17","url":null,"abstract":"Premature atrial complex (PAC) and premature ventricular complex (PVC) are the most common arrhythmias. Most of them are benign, whereas some could be an initial sign of any underlying significant heart disease. Evaluation of daily burden and the presence of any association with underlying medical conditions are essential for proper assessment. Recently, newly developed electrocardiogram smart devices are widely available to document arrhythmias and identify correlations with symptoms. Management is required if the daily burden is high, patients are highly symptomatic, or significant structural heart disease is present. Antiarrhythmic drugs (AADs) are the first-line treatment, but if arrhythmias are drug-refractory or the patients are intolerable to AADs, catheter ablation is considered a good alternative in selected cases. In this paper, the proper diagnosis and management for PAC and PVC will be comprehensively reviewed.","PeriodicalId":517046,"journal":{"name":"The Korean Journal of Medicine","volume":"108 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139896835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Diagnosis of Human Immunodeficiency Virus Infection","authors":"Shi Nae Yu","doi":"10.3904/kjm.2024.99.1.32","DOIUrl":"https://doi.org/10.3904/kjm.2024.99.1.32","url":null,"abstract":"Early diagnosis and early treatment of human immunodeficiency virus (HIV) infection are essential for clinical and public health benefits. Diagnostic algorithms for early diagnosis are being emphasized, and rapid tests at the point of care have been expanded to improve voluntary testing rates. Despite advances in laboratory diagnostic tests, early HIV infection can still be missed due to window periods, and it is crucial to recognize the limitations of testing methods and the potential for false negative and false positive results.","PeriodicalId":517046,"journal":{"name":"The Korean Journal of Medicine","volume":"65 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139896912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Diagnosis and Treatment of Myelodysplastic Syndrome in the Era of Genetic Testing","authors":"Junshik Hong","doi":"10.3904/kjm.2024.99.1.11","DOIUrl":"https://doi.org/10.3904/kjm.2024.99.1.11","url":null,"abstract":"Myelodysplastic syndrome (MDS) is a heterogeneous disorder with diverse prognoses influenced by cytopenias, genetic variants, and myeloblast proportions in the bone marrow. Accurate prognosis prediction and tailored treatment plans are essential. The International Prognostic Scoring System-Molecular (IPSS-M), which additionally reflects the impact of MDS-related genetic mutations to the clinical and laboratory information, is anticipated to offer superior prognostic accuracy compared to existing systems like the Revised International Prognostic Scoring System (IPSS-R). Despite its statistical complexity, its web-based calculation and ease of discussing results with patients using intuitive data sets provide notable advantages. Progress in MDS treatment, exemplified by effective anemia correction with an erythropoiesis-maturation agent in SF3B1-mutated cases and efforts to refine poor prognoses in TP53-mutated cases, reflects the evolving landscape of genetic-based interventions in MDS. Advancements in genetic diagnostic technology, combined with enhanced knowledge of the bone marrow niche, are anticipated to lead to significant improvement in MDS treatment outcomes in the future.","PeriodicalId":517046,"journal":{"name":"The Korean Journal of Medicine","volume":"124 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139896948","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Do We Really Need More Medical Schools or Doctors in Korea?","authors":"Seog-Kyun Mun","doi":"10.3904/kjm.2024.99.1.1","DOIUrl":"https://doi.org/10.3904/kjm.2024.99.1.1","url":null,"abstract":"Recently, several social issues have raised public concerns about a deficiency of doctors. The government says it will solve the problem by increasing the number of doctors, saying essential medical service is collapsing. However, the medical community argues that there is a fundamental problem with Korea’s health care delivery system. The government needs to take advice from the medical community to make policies in the right direction. And the press should no longer provide the public with misinformation that doctors and the public are opposed to. In this article, I would like to mention problems among current medical services and suggest healthcare policies for them.","PeriodicalId":517046,"journal":{"name":"The Korean Journal of Medicine","volume":"19 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139897554","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A 32-Year-Old Female with Incidentally Detected Multifocal Cystic Pulmonary Lesions on Chest Computed Tomography","authors":"Hee-Young Yoon","doi":"10.3904/kjm.2024.99.1.25","DOIUrl":"https://doi.org/10.3904/kjm.2024.99.1.25","url":null,"abstract":"Lymphangioleiomyomatosis (LAM) is a rare condition that exclusively affects women and is characterized by lung parenchymal destruction and the formation of cysts due to infiltration by LAM cells. It can also impact the lymphatic system, leading to the development of fluid-filled cystic structures and abdominal involvement, including renal angiomyolipomas (AML) or lymphangioleiomyoma. LAM can occur sporadically or be associated with tuberous sclerosis complex. Common symptoms include respiratory issues such as dyspnea, pneumothorax, chylothorax, along with other manifestations like renal AML and lymphatic involvement. The diagnosis of LAM relies on a combination of clinical, radiological, and laboratory findings, and treatment options vary depending on symptoms and patient status, with mTOR inhibitors being considered as a treatment option. This case outlines the diagnostic journey and clinical course of a 32-year-old female patient with LAM.","PeriodicalId":517046,"journal":{"name":"The Korean Journal of Medicine","volume":"5 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139897285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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