Pulmonology
Effect of corticosteroid therapy in the early phase of acute respiratory distress syndrome: a propensity-matched cohort study
Moon Seong Baek, Yunkyoung Lee, Sang-Bum Hong, Chae-Man Lim, Younsuck Koh, Jin Won Huh
Korean J Intern Med. 2021;36(1):145-153. Published online March 5, 2020
Background/Aims: It is unclear whether corticosteroid use in patients with acute respiratory distress syndrome (ARDS) improves survival. This study aimed to investigate whether the administration of corticosteroids to patients in the early phase of moderate to severe ARDS is associated with improved..
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Original Article
Clinical implication and risk factor of pneumonia development in mild coronavirus disease 2019 patients
Hyun Woo Lee, Seo-Young Yoon, Jung-Kyu Lee, Tae Yeon Park, Deog Kyeom Kim, Hee Soon Chung, Eun Young Heo
Korean J Intern Med. 2021;36(1):1-10. Published online December 1, 2020
Background/Aims: Although a majority of coronavirus disease 2019 (COVID-19) cases were characterized as mild, data assessing the development of pneumonia in mild COVID-19 patients are limited. We aimed to examine the effect of pneumonia development on the clinical course of mild COVID-19 in hospital..
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Pulmonology
A population-based observational study of patients with pulmonary disorders in intensive care unit
Hyun Woo Lee, Eunjeong Ji, Soyeon Ahn, Hye-Joo Yang, Seo-Young Yoon, Tae Yeon Park, Yeon Joo Lee, Jinwoo Lee, Sang-Min Lee, Seung-Hye Choi, Young-Jae Cho
Korean J Intern Med. 2020;35(6):1411-1423. Published online November 25, 2019
Background/Aims: Only a few epidemiologic studies on the patients with pulmonary disorders admitted to intensive care unit exist. We investigated the characteristics and clinical outcomes of the patients with severe pulmonary disorders.
Methods: The sample cohort database of National Health Insuran..
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Cardiology
J-curve relationship between corrected QT interval and mortality in acute heart failure patients
Chan Soon Park, Hyun-Jai Cho, Eue-Keun Choi, Sang Eun Lee, Min-Seok Kim, Jae-Joong Kim, Jin-Oh Choi, Eun-Seok Jeon, Kyung-Kuk Hwang, Shung Chull Chae, Sang Hong Baek, Seok-Min Kang, Byungsu Yoo, Dong-Ju Choi, Youngkeun Ahn, Kye-Hoon Kim, Myeong-Chan Cho, Byung-Hee Oh, Hae-Young Lee
Korean J Intern Med. 2020;35(6):1371-1384. Published online May 8, 2020
Background/Aims: This study investigated the prognostic power of corrected QT (QTc) interval in patients with acute heart failure (AHF) according to sex.
Methods: We analyzed multicenter Korean Acute Heart Failure registry with patients with AHF admitted from 2011 to 2014. Among them, we analyzed 4..
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Original Article
Clinical characteristics of coronavirus disease 2019 patients with diarrhea in Daegu
Min Kyu Kang, Kyeong Ok Kim, Min Cheol Kim, Joon Hyun Cho, Sung Bum Kim, Jung Gil Park, Kook Hyun Kim, See Hyung Lee, Byung Ik Jang, Tae Nyeun Kim
Korean J Intern Med. 2020;35(6):1261-1269. Published online September 23, 2020
Background/Aims: Coronavirus disease 2019 (COVID-19) can reportedly cause gastrointestinal symptoms. Therefore, we investigated the clinical characteristics of COVID-19 patients with diarrhea.
Methods: We included 118 COVID-19 patients admitted to a single hospital from February 20 to March 31, 202..
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Pulmonology
Performance of pneumococcal urinary antigen test in patients with community-onset pneumonia: a propensity score-matching study
Jonghoo Lee, Jae-Uk Song
Korean J Intern Med. 2020;35(3):630-640. Published online February 24, 2020
Background/Aims: Although pneumococcal urinary antigen tests (PUATs) have universally been used for the diagnosis of pneumococcal pneumonia, data on the efficacy of these exams are limited. The objective of our study was to investigate the clinical impact of the PUAT in patients with community-onset..
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Infectious diseases
Clinical impact of healthcare-associated acquisition in cirrhotic patients with community-onset spontaneous bacterial peritonitis
Jungok Kim, Cheol-In Kang, Geum-Youn Gwak, Doo Ryeon Chung, Kyong Ran Peck, Jae-Hoon Song
Korean J Intern Med. 2020;35(1):215-221. Published online March 5, 2018
Background/Aims: Healthcare-associated (HCA) infection is a recently suggested new category of community-onset infections. The implications of HCA infections in terms of diagnosis, treatment, and outcomes of spontaneous bacterial peritonitis (SBP) are not well understood. We sought to delineate the ..
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Nephrology
Low parathyroid hormone level predicts infection-related mortality in incident dialysis patients: a prospective cohort study
Yu Ah Hong, Jeong Ho Kim, Yong Kyun Kim, Yoon Kyung Chang, Cheol Whee Park, Suk Young Kim, Yon Su Kim, Shin-Wook Kang, Nam-Ho Kim, Yong-Lim Kim, Chul Woo Yang
Korean J Intern Med. 2020;35(1):160-170. Published online October 28, 2019
Background/Aims: Parathyroid hormone (PTH) is an important factor influencing immunologic dysfunction, but the effect of PTH level on infection-related outcomes remains unclear in incident dialysis.
Methods: We evaluated a multicenter prospective cohort study of 1,771 incident dialysis patients (1,..
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Gastroenterology
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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Infectious diseases
Reevaluation of the impact of methicillin-resistance on outcomes in patients with Staphylococcus aureus bacteremia and endocarditis
Eun-Jeong Joo, Dong Ah Park, Cheol-In Kang, Doo Ryeon Chung, Jae-Hoon Song, Sang Moo Lee, Kyong Ran Peck
Korean J Intern Med. 2019;34(6):1347-1362. Published online January 20, 2018
Background/Aims: Methicillin-resistant Staphylococcus aureus (MRSA) is highly prevalent in hospitals, and has recently emerged in the community. The impact of methicillin-resistance on mortality and medical costs for patients with S. aureus bacteremia (SAB) requires reevaluation.
Meth..
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Pulmonology
Mortality of patients with chronic obstructive pulmonary disease: a nationwide populationbased cohort study
Seon Cheol Park, Dong Wook Kim, Eun Cheol Park, Cheung Soo Shin, Chin Kook Rhee, Young Ae Kang, Young Sam Kim
Korean J Intern Med. 2019;34(6):1272-1278. Published online October 16, 2019
Background/Aims: Chronic obstructive pulmonary disease (COPD) is a major cause of mortality in the world. There are no population-based studies on longterm mortality in COPD patients in Korea.
Methods: Using the large, population-based, National Health Insurance Service- National Sample Cohort (NHI..
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Nephrology
Circulating renalase predicts all-cause mortality and renal outcomes in patients with advanced chronic kidney disease
Seon Ha Baek, Ran-hui Cha, Shin Wook Kang, Cheol Whee Park, Dae Ryong Cha, Sung Gyun Kim, Sun Ae Yoon, Sejoong Kim, Sang-Youb Han, Jung Hwan Park, Jae Hyun Chang, Chun Soo Lim, Yon Su Kim, Ki Young Na
Korean J Intern Med. 2019;34(4):858-866. Published online November 29, 2017
Background/Aims: Patients with chronic kidney disease (CKD) have been found to show markedly increased rates of end-stage renal disease, major adverse cardiovascular and cerebrovascular events (MACCEs), and mortality. Therefore, new biomarkers are required for the early detection of such clinical ou..
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Cardiology
Serum levels of carbohydrate antigen 125 in combination with N-terminal pro-brain natriuretic peptide in patients with acute decompensated heart failure
Jae Yong Yoon, Dong Heon Yang, Hyun Jun Cho, Nam Kyun Kim, Chang-Yeon Kim, Jihyun Son, Jae-Hyung Roh, Se Yong Jang, Myung Hwan Bae, Jang Hoon Lee, Hun Sik Park, Yongkeun Cho, Shung Chull Chae
Korean J Intern Med. 2019;34(4):811-818. Published online December 31, 2018
Background/Aims: Carbohydrate antigen 125 (CA-125) is an emerging prognostic biomarker for heart failure. We aimed to test the long-term prognostic value of CA-125 in combination with N-terminal pro-brain natriuretic peptide (NT-proBNP) in patients with acute decompensated heart failure (ADHF).
Met..
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Nephrology
Impact of sarcopenia on long-term mortality and cardiovascular events in patients undergoing hemodialysis
Jwa-Kyung Kim, Sung Gyun Kim, Ji-Eun Oh, Young-Ki Lee, Jung-Woo Noh, Hyung Jik Kim, Young Rim Song
Korean J Intern Med. 2019;34(3):599-607. Published online November 23, 2017
Background/Aims: A high body mass index (BMI) is known to correlate with better survival in patients on hemodialysis (HD). However, the impacts of body composition and sarcopenia on survival have not been well studied in this population.
Methods: One hundred and forty-two prevalent HD patients were..
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Infectious diseases
Clinical and microbiological factors associated with early patient mortality from methicillin-resistant Staphylococcus aureus bacteremia
Tark Kim, Yong Pil Chong, Ki-Ho Park, Kyung Mi Bang, Su-Jin Park, Sung-Han Kim, Jin-Yong Jeong, Sang-Oh Lee, Sang-Ho Choi, Jun Hee Woo, Yang Soo Kim
Korean J Intern Med. 2019;34(1):184-194. Published online July 6, 2017
Background/Aims: Methicillin-resistant Staphylococcus aureus bacteremia (MRSAB) is a major bloodstream infection with a high mortality rate. Identification of factors associated with early mortality in MRSAB patients would be useful for predicting prognosis and developing new therapeutic opti..
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Cardiology
Current status of acute myocardial infarction in Korea
Yongcheol Kim, Youngkeun Ahn, Myeong Chan Cho, Chong Jin Kim, Young Jo Kim, Myung Ho Jeong
Korean J Intern Med. 2019;34(1):1-10. Published online December 28, 2018
Coronary artery disease, especially acute myocardial infarction (AMI), is a leading cause of death in the Asia-Pacific region. The Korea Acute Myocardial Infarction Registry (KAMIR) is the first nationwide, prospective, multicenter registry of Korean patients with AMI. Since the KAMIR first began in..
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Pulmonology
Effect of vitamin D deficiency in Korean patients with acute respiratory distress syndrome
[corrected-article]
Sojung Park, Min Gi Lee, Sang-Bum Hong, Chae-Man Lim, Younsuck Koh, Jin Won Huh
Korean J Intern Med. 2018;33(6):1129-1136. Published online June 20, 2018
Background/Aims: Vitamin D modulates innate and adaptive immune responses, and vitamin D deficiency is associated with increased mortality in hospitalized patients with pneumonia. We evaluated the prevalence of vitamin D deficiency in Korean patients with acute respiratory distress syndrome (ARDS) a..
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Nephrology
Predialysis hyponatremia and mortality in elderly patients beginning to undergo hemodialysis
Seon Ha Baek, Sejoong Kim, Ki Young Na, Suhnggwon Kim, Ho Jun Chin
Korean J Intern Med. 2018;33(5):970-979. Published online October 19, 2017
Background/Aims: Predialysis hyponatremia has been recently reported to be associated with mortality in incident hemodialysis patients. However, whether hyponatremia is associated with unfavorable outcomes in elderly patients remains unknown. We hypothesized that nephrology referral inf luences hypo..
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Gastroenterology
Outcomes of patients treated with Sengstaken-Blakemore tube for uncontrolled variceal hemorrhage
Ja Yun Choi, Yun Won Jo, Sang Soo Lee, Wan Soo Kim, Hye Won Oh, Cha Young Kim, Eun Young Yun, Jin Joo Kim, Jae Min Lee, Hong Jun Kim, Hyun Jin Kim, Tae Hyo Kim, Woon Tae Jung, Ok Jae Lee, Rock Bum Kim
Korean J Intern Med. 2018;33(4):696-704. Published online November 10, 2017
Background/Aims: The aim of this study was to investigate the mortality, bleeding control rate, and their associated predictors in patients treated with Sengstaken-Blakemore (SB) tube for uncontrolled variceal hemorrhage associated with hemodynamic instability or failure of endoscopic treatment.
Me..
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Pulmonology
The effect of an improvement of experience and training in extracorporeal membrane oxygenation management on clinical outcomes
Go-Woon Kim, Younsuck Koh, Chae-Man Lim, Jin Won Huh, Sung Ho Jung, Joon Bum Kim, Sang-Bum Hong
Korean J Intern Med. 2018;33(1):121-129. Published online March 25, 2016
Background/Aims: The use of extracorporeal membrane oxygenation (ECMO) is spreading rapidly, with successful procedures reported in the ECMO for Severe Adult Respiratory failure (CESAR) trial and treatment of the H1N1 pandemic. However, ECMO is associated with a high mortality rate. This study aimed..
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