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Rheumatology / Original Article
Liver enzyme elevation in patients with ankylosing spondylitis treated with tumor necrosis factor inhibitors: a single-center historical cohort study
Su Jin Choi, Ji Seon Oh, Seokchan Hong, Chang-Keun Lee, Bin Yoo, Yong-Gil Kim
Korean J Intern Med. 2020;35(3):723-731. Published online December 26, 2019
Background/Aims: Tumor necrosis factor inhibitors (TNFi) have been known to induce liver enzyme elevation, sometimes associated with viral reactivation or toxic hepatitis. We evaluated the incidence and risk factors of TNFi-associated liver enzyme elevation in Korean ankylosing spondylitis (AS) pati..
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Hemato-oncology / Original Article
Prominent seasonal variation in pulmonary embolism than deep vein thrombosis incidence: a Korean venous thrombosis epidemiology study
Junshik Hong, Ju Hyun Lee, Ji Yun Lee, Jeong-Ok Lee, Won-Il Choi, Soyeon Ahn, Youn-Hee Lim, Soo-Mee Bang, Doyeun Oh
Korean J Intern Med. 2020;35(3):682-691. Published online October 25, 2019
Background/Aims: Seasonal variation is an environmental factor proposed to affect the incidence of venous thromboembolism (VTE). However, VTE seasonal variation is not well studied in Asian populations, which have different genetic determinants of VTE compared to Westerners. The present study aimed ..
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Gastroenterology / Original Article
Prognostic impact of hepatitis B or C on intrahepatic cholangiocarcinoma
Jung Woong Seo, Byung Soo Kwan, Young Koog Cheon, Tae Yoon Lee, Chan Sup Shim, So Young Kwon, Won Hyeok Choe, Byung Chul Yoo, Jeong Min Yoon, Jung Hoon Lee
Korean J Intern Med. 2020;35(3):566-573. Published online January 10, 2020
Background/Aims: Intrahepatic cholangiocarcinoma (ICC) is the second-most common primary liver malignancy, arising from the peripheral intrahepatic bile duct epithelium. Hepatitis B virus (HBV) or hepatitis C virus (HCV) may be involved in the development of ICC. We explored the prognostic value of ..
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Gastroenterology / Original Article
Clinical correlation between serum pepsinogen level and gastric atrophy in gastric neoplasm
Jae Hwang Cha, Jin Seok Jang
Korean J Intern Med. 2020;35(3):550-558. Published online November 7, 2018
Background/Aims: The relationship between the serum pepsinogen (sPG) level and changes in gastric mucosa has been well studied. Here, we evaluated the usefulness of sPG (I, II, I/II ratio) and intragastric pH as a biomarker of severe gastric atrophy in gastric neoplastic lesions.
Methods: A total of..
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Review
Prevention of post-endoscopic retrograde cholangiopancreatography pancreatitis with rectal non-steroidal anti-inflammatory drugs
Tae Young Park, Hyoung-Chul Oh, Evan L. Fogel, Glen A. Lehman
Korean J Intern Med. 2020;35(3):535-543. Published online April 29, 2020
Acute pancreatitis is the most common and feared adverse event associated with performance of endoscopic retrograde cholangiopancreatography (ERCP). Unremitting effort has been made for over 40 years to minimize the frequency and severity of this complication. Recently, the use of rectal non-steroid..
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Rheumatology / Original Article
Effect of biologics in the level of cytokines in the synovial fluid of patients with ankylosing spondylitis
Bon San Koo, Sungsin Jo, Eunji Kwon, Ji Hui Shin, Jin-Wuk Hur, Tae-Hwan Kim
Korean J Intern Med. 2020;35(2):465-473. Published online December 16, 2019
Background/Aims: Biologics are very effective drugs for patients with ankylosing spondylitis (AS). However, there are patients who are not responding to biologics. This study aimed to evaluate the level of tumor necrosis factor α (TNF-α), interleukin (IL)-23, and IL-17 from synovial fluid in patie..
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Allergy / Original Article
Association between primary immunodeficiency and asthma exacerbation in adult asthmatics
So-Hee Lee, Ga-Young Ban, Su-Chin Kim, Chang-Gyu Chung, Hyun-Young Lee, Ji-Ho Lee, Hae-Sim Park
Korean J Intern Med. 2020;35(2):449-456. Published online June 14, 2019
Background/Aims: Primary immunodef iciency (PID) is a serious comorbid condition in adult asthmatics that have frequent exacerbations, which requires monthly replacement of intravenous immunoglobulin (IVIG). However, the prevalence and clinical significance of PID in adult asthmatics in Korea have n..
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Infectious diseases / Original Article
Diagnostic usefulness of the cytomegalovirus (CMV)-specific T cell-based assay for predicting CMV infection after kidney transplant
Taeeun Kim, Hyun-Jeong Lee, Sun-Mi Kim, Joo Hee Jung, Sung Shin, Young-Hoon Kim, Heungsup Sung, Yong Pil Chong, Sang-Oh Lee, Sang-Ho Choi, Yang Soo Kim, Jun Hee Woo, Sung-Han Kim, Duck Jong Han
Korean J Intern Med. 2020;35(2):438-448. Published online June 7, 2018
Background/Aims: We evaluated the usefulness in kidney transplant (KT) candidates of cytomegalovirus (CMV)-specific enzyme-linked immunospot (ELISPOT) assays for predicting the development of post-transplant CMV infections.
Methods: All adult recipients admitted for living-donor KT between March 20..
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Hemato-oncology / Original Article
Prognostic implications of stromal hyaluronic acid protein expression in resected oropharyngeal and oral cavity cancers
Der Sheng Sun, Hye Sung Won, Soon Auck Hong, Ji Hyung Hong, Heejoon Jo, Heejin Lee, Okran Kim, Myung Ah Lee, Yoon Ho Ko
Korean J Intern Med. 2020;35(2):408-420. Published online July 29, 2019
Background/Aims: Hyaluronic acid (HA) regulates cell adhesion, migration and proliferation in various cancers. The clinical implications of HA in resected head and neck squamous cell carcinoma have not been elucidated. We investigated the clinical significance and prognostic value of the expression ..
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Cardiology / Original Article
Differential clinical manifestations and clinical outcome of cancer-related pulmonary embolism
Min Sun Kim, Haseong Chang, Su Yeon Lee, Sun Hye Shin, HyeYun Park, Sung-A Chang, Taek Kyu Park, Duk-Kyung Kim, Eun Kyoung Kim
Korean J Intern Med. 2020;35(2):360-368. Published online August 9, 2019
Background/Aims: Although acute pulmonary embolism (PE) adversely impacts survival and should be treated regardless of cancer, the treatment rate of cancer-related PE is relatively low. We aimed to compare clinical characteristics and long term prognosis of PE in patients with or without cancer.
Me..
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Gastroenterology / Original Article
Comparison of procedural sequence in same-day bidirectional endoscopy: a systematic review and meta-analysis
Geun Joo Choi, Hyoung-Chul Oh, Hee-Kyeong Seong, Jeong Wook Kim, Jin Soo Ko, Hyun Kang
Korean J Intern Med. 2020;35(2):331-341. Published online December 27, 2019
Background/Aims: To compare the efficacy and safety of procedural sequence in same-day bidirectional endoscopy.
Methods: We searched OVID-MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and Google Scholar to identify randomized controlled trials that compared the procedural sequenc..
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Gastroenterology / Original Article
Immunological measurement of aspartate/alanine aminotransferase in predicting liver fibrosis and inflammation
Hyun Jeong Kim, Sang Yeol Kim, Suk Pyo Shin, Young Joo Yang, Chang Seok Bang, Gwang Ho Baik, Dong Joon Kim, Young Lim Ham, Eui Yul Choi, Ki Tae Suk
Korean J Intern Med. 2020;35(2):320-330. Published online January 23, 2019
Background/Aims: Enzymatic analysis of aspartate/alanine aminotransferase (AST/ALT) does not exactly represent the progression of liver fibrosis or inflammation. Immunoassay for AST (cytoplasmic [c] AST/mitochondrial [m] AST) and ALT (ALT1/ALT2) has been suggested as one alternatives for enzymatic a..
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Pulmonology / Review
Latent tuberculosis infection: recent progress and challenges in South Korea
Doosoo Jeon
Korean J Intern Med. 2020;35(2):269-275. Published online February 28, 2020
Management of latent tuberculosis infection (LTBI) is a critical element in the elimination of tuberculosis (TB). However, the low positive predictive value of the current diagnostic tests and the low acceptance and completion rate of the isoniazid- based regimen are major barriers to the implementa..
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Pulmonology / Review
Recent advances in diagnostic technologies in lung cancer
Hye Jung Park, Sang Hoon Lee, Yoon Soo Chang
Korean J Intern Med. 2020;35(2):257-268. Published online February 28, 2020
The increase in lung cancer incidence of Korea has been dampened since 2000; however, increased human lifespan, interest in health care and the widespread implementation of health examinations have resulted in a considerable rise in detection of small lesions that need to be differentiated from lung..
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Hemato-oncology / Original Article
Real world data on follicular lymphoma patients treated by rituximab-containing immunochemotherapy and rituximab maintenance
Hee Kyung Kim, Wonseok Kang, Dong Hyun Sinn, Joon Hyeok Lee, Won Seog Kim, Seok Jin Kim
Korean J Intern Med. 2020;35(1):194-204. Published online April 4, 2019
Background/Aims: Real-world data about the treatment outcomes of patients receiving rituximab-containing immunochemotherapy followed by rituximab maintenance are required to understand better the treatment for follicular lymphoma (FL).
Methods: A cross-sectional study analyzed FL patients who were ..
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Hemato-oncology / Original Article
Comparison of three risk stratification models for non-clear cell renal cell carcinoma patients treated with temsirolimus as first-line therapy
In Hee Lee, Byung Woog Kang, Jong Gwang Kim, Woo Kyun Bae, Myung Seo Ki, Inkeun Park, Jae-Cheol Jo, Jin Young Kim, Sung Ae Koh, Kyung Hee Lee, Yoon Young Cho, Hun Mo Ryoo, Sang Gyu Kwak, Jung Lim Lee, Sun Ah Lee
Korean J Intern Med. 2020;35(1):185-193. Published online October 12, 2018
Background/Aims: For metastatic renal cell carcinoma (RCC), various prognostic scoring systems have been developed. However, owing to the low prevalence of nonclear cell RCC, the three most commonly used tools were mainly developed based on patients with clear cell histology. Accordingly, this study..
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Hemato-oncology / Original Article
Inflammatory markers as prognostic indicators in pancreatic cancer patients who underwent gemcitabine-based palliative chemotherapy
Hong Jun Kim, Suk-young Lee, Dae Sik Kim, Eun Joo Kang, Jung Sun Kim, Yoon Ji Choi, Sang Cheul Oh, Jae Hong Seo, Jun Suk Kim
Korean J Intern Med. 2020;35(1):171-184. Published online October 26, 2018
Background/Aims: Patients with pancreatic cancer (PC) generally have poor clinical outcomes. Early determination of their prognosis is crucial for developing a therapeutic strategy. Recently, various inflammatory markers have been validated as prognostic indicators for many cancers, including PC. Ho..
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Cardiology / Original Article
Pre-hospital delay and emergency medical services in acute myocardial infarction
Seung Hun Lee, Hyun Kuk Kim, Myung Ho Jeong, Joo Myung Lee, Hyeon-Cheol Gwon, Shung Chull Chae, In-Whan Seong, Jong-Seon Park, Jei Keon Chae, Seung-Ho Hur, Kwang Soo Cha, Hyo-Soo Kim, Ki-Bae Seung, Seung-Woon Rha, Tae Hoon Ahn, Chong-Jin Kim, Jin-Yong Hwang, Dong-Ju Choi, Junghan Yoon, Seung-Jae Joo, Kyung-Kuk Hwang, Doo-Il Kim, Seok Kyu Oh; for the KAMIR Investigators
Korean J Intern Med. 2020;35(1):119-132. Published online November 28, 2019
Background/Aims: Minimising total ischemic time (TIT) is important for improving clinical outcomes in patients with ST-segment elevation myocardial infarction who have undergone percutaneous coronary intervention (PCI). TIT has not shown a significant improvement due to persistent pre-hospital delay..
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Cardiology / Original Article
Attitudes toward advance directives and prognosis in patients with heart failure: a pilot study
JinShil Kim, Minjeong An, Seongkum Heo, Mi-Seung Shin
Korean J Intern Med. 2020;35(1):109-118. Published online February 15, 2019
Background/Aims: Advance directives (ADs) in Korean patients with heart failure (HF) and the associations of attitude towards ADs and HF prognosis with ADs were initially assessed using the model of the Korean-Advance Directive (K-AD).
Methods: Twenty-four patients with HF (age, 67.1 years; men, 58..
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Gastroenterology / Original Article
Combined effect of hepatic venous pressure gradient and liver stiffness on long-term mortality in patients with cirrhosis
Jae Gon Lee, Joo Hyun Sohn, Jae Yoon Jeong, Tae Yeob Kim, Sun Min Kim, Young Seo Cho, Yongsoo Kim
Korean J Intern Med. 2020;35(1):88-98. Published online February 25, 2019
Background/Aims: Both hepatic venous pressure gradient (HVPG) and liver stiffness (LS) are useful tools for predicting mortality in patients with cirrhosis. We investigated the combined effect of HVPG and LS on long-term mortality in patients with cirrhosis.
Methods: We retrospectively collected da..
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