A paradigm shift in studies based on rheumatoid arthritis clinical registries
Soo-Kyung Cho, Yoon-Kyoung Sung
Korean J Intern Med. 2019;34(5):974-981. Published online February 18, 2019
Clinical research is the study of aspects of patient health or illness that are closely related to clinical practice. In the late 20th and early 21th century, outcomes for patients with rheumatoid arthritis (RA) improved dramatically due to breakthroughs in new drugs. Patient-reported outcome measur..
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Pulmonology
Efficacy and predictors of response to inhaled corticosteroid treatment for chronic cough
Ji Young Hong, Joo-Hee Kim, Sunghoon Park, Yong Il Hwang, Ki-Suck Jung, Seung Hun Jang
Korean J Intern Med. 2019;34(3):559-568. Published online December 13, 2018
Background/Aims: Inhaled corticosteroids (ICS) are a treatment of choice for eosinophilic airway diseases, but their efficacy for other causes of chronic cough is controversial.
Methods: We conducted a prospective observational study to determine the ICS efficacy and clinical predictors of response t..
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Rheumatology
Clinical outcomes and pathological characteristics of immunoglobulin G4-related ophthalmic disease versus orbital inflammatory pseudotumor
Hong Ki Min, Youn Soo Lee, Suk-Woo Yang, Jennifer Lee, Seung-Ki Kwok, Ji Hyeon Ju, Wan-Uk Kim, Sung-Hwan Park
Korean J Intern Med. 2019;34(1):220-226. Published online October 19, 2017
Background/Aims: This study investigated the clinical and pathological features of immunoglobulin G4 (IgG4)-related ophthalmic disease. To clarify the features, we compared IgG4-related ophthalmic disease and orbital inflammatory pseudotumor.
Methods: We retrospectively reviewed the medical records..
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Endocrinology-metabolism
Maternal and neonatal outcomes in Korean women with type 2 diabetes
Hye-Jung Jang, Hee-Sook Kim, Sung-Hoon Kim
Korean J Intern Med. 2018;33(6):1143-1149. Published online January 26, 2017
Background/Aims: The purpose of this study was to compare maternal and neonatal outcomes in Korean women with type 2 diabetes and nondiabetic controls.
Methods: We performed a retrospective survey of 200 pregnancies in women with type 2 diabetes (n = 100) and nondiabetic controls (n = 100) who deli..
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Gastroenterology
Disparity in Crohn’s disease activity between home and clinics is associated with unscheduled hospital visits due to disease flares
Eun Soo Kim, Yoo Jin Lee, Byung Ik Jang, Kyeong Ok Kim, Eun Young Kim, Hyun Seok Lee, Seong Woo Jeon, Sang Gyu Kwak; on behalf of Crohn’s and Colitis Association in Daegu-Gyeongbuk (CCAiD)
Korean J Intern Med. 2018;33(5):902-910. Published online January 17, 2018
Background/Aims: E-health technologies have been implemented for the management of Crohn’s disease (CD). We aimed to identify differences between patient activities at home and at routine clinic visits using a web-based self-reporting CD symptom diary (CDSD) and to determine the impact of this dis..
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Pulmonology
Clinical and molecular characteristics of pulmonary sarcomatoid carcinoma
Jae Kyeom Sim, Sang Mi Chung, Jong Hyun Choi, Jee Youn Oh, Seung Heon Lee, Je Hyeong Kim, Kyung Hoon Min, Gyu Young Hur, Jae Jeong Shim, Kyung Ho Kang, Bong Kyung Shin, Ju Han Lee, Sung Yong Lee
Korean J Intern Med. 2018;33(4):737-744. Published online February 20, 2018
Background/Aims: Pulmonary sarcomatoid carcinoma (PSC) is a poorly differentiated non-small cell lung cancer (NSCLC) that contains components of spindle or giant cells. Owing to its low prevalence, there are insufficient data regarding its clinical features, therapeutic strategies and prognosis.
Me..
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Hemato-oncology
Recent advances in the diagnosis and management of primary myelofibrosis
Katsuto Takenaka, Kazuya Shimoda, Koichi Akashi
Korean J Intern Med. 2018;33(4):679-690. Published online April 20, 2018
Primary myelofibrosis (PMF) is a myeloproliferative neoplasm (MPN) in which dysregulation of the Janus kinase/signal transducers and activators of transcription (JAK/STAT) signaling pathways is the major pathogenic mechanism. Most patients with PMF carry a driver mutation in the JAK2, MPL (my..
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Gastroenterology
Efficacy of preoperative percutaneous cholecystostomy in the management of acute cholecystitis according to severity grades
Seong Yeol Kim, Kyo-Sang Yoo
Korean J Intern Med. 2018;33(3):497-505. Published online January 6, 2017
Background/Aims: The aim of this retrospective study was to assess the efficacy of percutaneous cholecystostomy (PC) for patients with acute cholecystitis (AC) according to severity.
Methods: A total of 325 patients who underwent cholecystectomy between January 2008 and October 2010 were enrolled. ..
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Etc
Primary pyomyositis in North India: a clinical, microbiological, and outcome study
Susheel Kumar, Ashish Bhalla, Rajveer Singh, Navneet Sharma, Aman Sharma, Vikas Gautam, Surjit Singh, Subhash Varma
Korean J Intern Med. 2018;33(2):417-431. Published online January 18, 2018
Background/Aims: Pyomyositis is an infective condition with primary involvement of the skeletal muscles. There is sparse recent literature on patients with pyomyositis.
Methods: This study was carried out at emergency services of a tertiary care center located in subtropical area of Indian subcont..
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Rheumatology
Drug survival and the associated predictors in South Korean patients with rheumatoid arthritis
receiving tacrolimus
Eun-Young Park, Seung-Geun Lee, Eun-Kyoung Park, Dong-Wan Koo, Ji-Heh Park, Geun-Tae Kim, Hee-Sang Tag, Hyun-Ok Kim, Young-Sun Suh
Korean J Intern Med. 2018;33(1):193-202. Published online April 6, 2016
Background/Aims: To investigate the drug survival rate of tacrolimus (TAC) and analyze the potential predictors of this rate in patients with rheumatoid arthritis (RA) in routine care.
Methods: In this retrospective longitudinal study, we enrolled 102 RA patients treated with TAC from April 2009 to..
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Hemato-oncology
Clinical features and treatment outcomes of blastic plasmacytoid dendritic cell neoplasm: a single-center experience in Korea
Hae Su Kim, Hee-Jin Kim, Sun-Hee Kim, Joon Young Choi, Young Hyeh Ko, Won Seog Kim, Chul Won Jung, Seok Jin Kim
Korean J Intern Med. 2017;32(5):890-899. Published online August 18, 2017
Background/Aims: Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare hematologic malignancy that typically presents in the form of skin manifestations with or without lymph node and bone marrow involvement. Given its rarity and recent recognition as a distinct pathological entity, no stan..
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Clinicopathological characteristics of extremely young Korean multiple myeloma patients: therapeutic implications
Junghoon Shin, Youngil Koh, Jeonghwan Youk, Miso Kim, Byung Soo Kim, Chul Won Choi, Hwa Jung Sung, Yong Park, Sung-Soo Yoon, Inho Kim
Korean J Intern Med. 2017;32(4):722-730. Published online June 26, 2017
Background/Aims: Although multiple myeloma (MM) is typically a disease of the elderly, a certain subset of extremely young patients exists. It is necessary to establish clinicopathological characteristics for this population.
Methods: We reviewed the medical records of MM patients whose age was 40 ..
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Pulmonology
Outcomes of very elderly (≥ 80 years) critical-ill patients in a medical intensive care unit of a tertiary hospital in Korea
Seung Hun Lee, Tae Won Lee, Sunmi Ju, Jung-Wan Yoo, Seung Jun Lee, Yu Ji Cho, Yi Yeong Jeong, Jong Deog Lee, Ho Cheol Kim
Korean J Intern Med. 2017;32(4):675-681. Published online June 26, 2017
Background/Aims: This study evaluated clinical characteristics and outcomes in very elderly (≥ 80 years of age) critical-ill patients admitted to a medical intensive care unit (MICU) in a regional single tertiary hospital.
Methods: We retrospectively evaluated prospectively collected data in the MI..
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Gastroenterology
Comparing the clinical outcomes of young-onset and adult-onset ulcerative colitis: a multi-center Korean Association for the Study for Intestinal Diseases study
Ji Yeon Kim, Dong Il Park, Dong Soo Han, Kyu-Chan Huh, Chang Kyun Lee, Jeong Eun Shin, Jae Hak Kim, You Sun Kim, Yunho Jung, Sung-Ae Jung, Hyun Joo Song, Hyun Joo Jang, Young-Ho Kim, Sung No Hong
Korean J Intern Med. 2017;32(1):69-78. Published online June 25, 2016
Background/Aims: The aim of this study was to compare the clinical features and outcomes of ulcerative colitis (UC) according to the age of onset in Korea. Methods: A total of 1,141 patients who were diagnosed with UC between July 1987 and November 2013 at 11 tertiary hospitals were enrolled. The ba..
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Nephrology
Prevalence of chronic kidney disease defined by using CKD-EPI equation and albumin-to-creatinine ratio in the Korean adult population
Eunhee Ji, Yon Su Kim
Korean J Intern Med. 2016;31(6):1120-1130. Published online March 25, 2016
Background/Aims: An updated chronic kidney disease (CKD) definition and classification were proposed by Kidney Disease: Improving Global Outcomes (KDIGO), with adoption of a new equation to estimate glomerular filtration rate (GFR) and albuminuria to evaluate kidney structural damage. This study was..
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Cardiology
Five-year clinical outcomes of drug-eluting stents according to on-label and off-label use
Kyu-Hwan Park, Ung Kim, Chan-Hee Lee, Jang-Won Son, Jong-Seon Park, Dong-Gu Shin, Young-Jo Kim, Jeong-Hwan Cho
Korean J Intern Med. 2016;31(4):678-684. Published online March 25, 2016
Background/Aims: To compare the clinical outcomes of ‘on-label’ and ‘off-label’ drug-eluting stents (DESs) over a 5-year follow-up period.
Methods: A total of 929 patients that underwent percutaneous coronary intervention with DESs were enrolled. Patients were divided into two groups according..
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Nephrology
Effect of low-dose valsartan on proteinuria in normotensive immunoglobulin A nephropathy with minimal proteinuria: a randomized trial
Young-Il Jo, Ha-Young Na, Ju-Young Moon, Sang-Woong Han, Dong-Ho Yang, Sang-Ho Lee, Hyeong-Cheon Park, Hoon-Young Choi, So-Dug Lim, Jeong-Hae Kie, Yong-Kyu Lee, Sug-Kyun Shin
Korean J Intern Med. 2016;31(2):335-343. Published online February 15, 2016
Background/Aims: Immunoglobulin A nephropathy (IgAN) is a generally progressive disease, even in patients with favorable prognostic features. In this study, we aimed to investigate the antiproteinuric effect and tolerability of low-dose valsartan (an angiotensin II receptor blocker) therapy in normo..
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Cardiology
Temporal trends and in-hospital outcomes of primary percutaneous coronary intervention in nonagenarians with ST-segment elevation myocardial infarction
Joon Young Kim, Myung Ho Jeong, Yong Woo Choi, Yong Keun Ahn, Shung Chull Chae, Seung Ho Hur, Taek Jong Hong, Young Jo Kim, In Whan Seong, In Ho Chae, Myeong Chan Cho, Jung Han Yoon, Ki Bae Seung, Other Korea Acute Myocardial Infarction Registry Investigators
Korean J Intern Med. 2015;30(6):821-828. Published online October 30, 2015
Background/Aims: Data regarding the outcomes of primary percutaneous coronary intervention (PCI) for ST-segment elevation myocardial infarction (STEMI) in nonagenarians are very limited. The aim of the present study was to evaluate the temporal trends and in-hospital outcomes of primary PCI in nonag..
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Gastroenterology
Can proton pump inhibitors reduce rebleeding following Histoacryl sclerotherapy for gastric variceal hemorrhage?
Ka Rham Kim, Chung Hwan Jun, Kyu Man Cho, Jin Woo Wi, Seon Young Park, Sung Bum Cho, Wan Sik Lee, Chang Hwan Park, Young Eun Joo, Hyun Soo Kim, Sung Kyu Choi, Jong Sun Rew
Korean J Intern Med. 2015;30(5):593-601. Published online August 27, 2015
Background/Aims: To evaluate the efficacy of proton pump inhibitors (PPIs) in reducing rebleeding and bleeding-related death rates after endoscopic gastric variceal obliteration (GVO) using N-butyl-2-cyanoacrylate (NBC).
Methods: This study enrolled 341 patients who were consecutively diagnosed wi..
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Cardiology
Prognostic value of hyponatremia in heart failure patients: an analysis of the Clinical Characteristics and Outcomes in the Relation with Serum Sodium Level in Asian Patients Hospitalized for Heart Failure (COAST) study
[editorial]
Byung-Su Yoo, Jin Joo Park, Dong-Ju Choi, Seok-Min Kang, Juey-Jen Hwang, Shing-Jong Lin, Ming-Shien Wen, Jian Zhang, Junbo Ge, on behalf of the COAST investigators
Korean J Intern Med. 2015;30(4):460-470. Published online June 29, 2015
Background/Aims: Hyponatremia is a well-known risk factor for poor outcomes in Western studies of heart failure (HF) patients. We evaluated the predictive value of hyponatremia in hospitalized Asian HF patients.
Methods: The Clinical Characteristics and Outcomes in the Relation with Serum Sodium Le..
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