Pulmonology / Original Article
Impact of tracheostomy on clinical outcomes in ventilated patients with severe pneumonia: a propensity-matched cohort study
Hayoung Seong, Hyojin Jang, Wanho Yoo, Saerom Kim, Soo Han Kim, Kwangha Lee
Korean J Intern Med. 2025;40(2):286-298. Published online March 1, 2025
Background/Aims: 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..
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Pulmonology / Review
Current perspectives on interstitial lung abnormalities
Ju Hyun Oh, Jin Woo Song
Korean J Intern Med. 2025;40(2):208-218. Published online March 1, 2025
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 thei..
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Pulmonology / Original Article
Short-term and long-term outcomes of critically ill patients with solid malignancy: a retrospective cohort study
Su Yeon Lee, Jin Won Huh, Sang-Bum Hong, Chae-Man Lim, Jee Hwan Ahn
Korean J Intern Med. 2024;39(6):957-966. Published online October 22, 2024
Background/Aims: With the global increase in patients with solid malignancies, it is helpful to understand the outcomes of intensive care unit (ICU) admission for these patients. This study evaluated the risk factors for ICU mortality and the shortand long-term outcomes in patients with solid malign..
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Pulmonology / Original Article
Development and validation of novel simple prognostic model for predicting mortality in Korean intensive care units using national insurance claims data
Ah Young Leem, Soyul Han, Kyung Soo Chung, Su Hwan Lee, Moo Suk Park, Bora Lee, Young Sam Kim
Korean J Intern Med. 2024;39(4):625-639. Published online April 19, 2024
Background/Aims: Intensive care unit (ICU) quality is largely determined by the mortality rate. Therefore, we aimed to develop and validate a novel prognostic model for predicting mortality in Korean ICUs, using national insurance claims data.
Methods: Data were obtained from the health insurance c..
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Pulmonology / Original Article
Mechanical ventilation in patients with idiopathic pulmonary fibrosis in Korea: a nationwide cohort study
Jae Kyeom Sim, Seok Joo Moon, Juwhan Choi, Jee Youn Oh, Young Seok Lee, Kyung Hoon Min, Gyu Young Hur, Sung Yong Lee, Jae Jeong Shim
Korean J Intern Med. 2024;39(2):295-305. Published online February 8, 2024
Background/Aims: The prognosis of patients with idiopathic pulmonary fibrosis (IPF) and respiratory failure requiring mechanical ventilation is poor. Therefore, mechanical ventilation is not recommended. Recently, outcomes of mechanical ventilation, including those for patients with IPF, have improv..
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Gastroenterology / Original Article
Model for end-stage liver disease-3.0 vs. model for end-stage liver disease-sodium: mortality prediction in Korea
Jeong Han Kim, Yong Joon Cho, Won Hyeok Choe, So Young Kwon, Byung-Chul Yoo
Korean J Intern Med. 2024;39(2):248-260. Published online February 1, 2024
Background/Aims: The model for end-stage liver disease (MELD) serves as an indicator for short-term mortality among patients diagnosed with liver cirrhosis (LC) and is used to prioritize patients for liver transplantation. In 2021, the updated version of MELD, MELD-3.0, was introduced to improve the..
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Infectious diseases / Original Article
The effects of remdesivir on mortality and the requirement for mechanical ventilation in patients with COVID-19: a systematic review stratified by disease severity
Seungeun Ryoo, Miyoung Choi, Su-Yeon Yu, Young Kyung Yoon, Kyungmin Huh, Eun-Jeong Joo
Korean J Intern Med. 2024;39(1):160-171. Published online December 28, 2023
Background/Aims: The effectiveness of remdesivir treatment in reducing mortality and the requirement for mechanical ventilation (MV) remains uncertain, as randomized controlled trials (RCTs) have produced conflicting results.
Methods: We searched MEDLINE, EMBASE, Cochrane Central Register of Contro..
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Cardiology / Original Article
Sex differences in clinical characteristics and long-term outcome in patients with heart failure: data from the KorAHF registry
Hyue Mee Kim, Hack-Lyoung Kim, Myung-A Kim, Hae-Young Lee, Jin Joo Park, Dong-Ju Choi; on the behalf of the KorAHF Investigators
Korean J Intern Med. 2024;39(1):95-109. Published online December 14, 2023
Background/Aims: Sex differences in the prognosis of heart failure (HF) have yielded inconsistent results, and data from Asian populations are even rare. This study aimed to investigate sex differences in clinical characteristics and long-term prognosis among Korean patients with HF.
Methods: A tot..
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Rheumatology / Original Article
Association between knee osteoarthritis and mortality: a serial propensity score-matched cohort study
Minkyung Oh, Mi-Yeong Kim, Min Wook So, Doo-Ho Lim, Su Jin Choi, Jae Ha Lee, Minyoung Her, Seong-Ho Kim, Sunggun Lee
Korean J Intern Med. 2023;38(6):923-933. Published online November 1, 2023
Background/Aims: The association between symptomatic knee osteoarthritis (OA) and higher cardiovascular disease (CVD) mortality is established; however, findings from studies that utilized regression analysis were limited, attributed to the strong association between OA and metabolic risk factors. Th..
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Geriatrics / Original Article
Predictors of 3-month mortality with muscle ultrasound and palliative prognostic tools among patients admitted to palliative care units
Zeynep Irmak Kaya, Yelda Öztürk, Sinem Gürcü, Gülgün Uncu, Anıl Uçan, Mert Eşme, Berrin Yalınbaş Kaya, Cafer Balci
Korean J Intern Med. 2023;38(4):557-565. Published online March 31, 2023
Background/Aims: Prognostic factors are an important issue in progressive and life-limiting diseases. This study evaluate 3-month mortality in patients admitted to the palliative care unit (PCU).
Methods: In this study, the patient’s demographics, comorbidities, nutritional status, and laboratory..
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Pulmonology / Original Article
Corticosteroid outcome may be dependent of duration of use in severe COVID-19
[letter]
Jin Hyoung Kim, Yong Sub Na, Song-I Lee, Youn Young Moon, Beom Seuk Hwang, Ae-Rin Baek, Won-Young Kim, Bo Young Lee, Gil Myeong Seong, Moon Seong Baek
Korean J Intern Med. 2023;38(3):382-392. Published online April 11, 2023
Background/Aims: For patients hospitalized with coronavirus disease 2019 (COVID-19) who require supplemental oxygen, the evidence of the optimal duration of corticosteroid is limited. This study aims to identify whether long-term use of corticosteroids is associated with decreased mortality.
Method..
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Pulmonology / Original Article
Timing of corticosteroids in non-severe non-hospitalized COVID-19 patients: open-label, two-center, randomized controlled study (TICS-COV19 study)
Emad R. Issak, Mariam M. Amin
Korean J Intern Med. 2023;38(2):207-217. Published online January 17, 2023
Background/Aims: Corticosteroids (CSs) are frequently used in coronavirus disease 2019 (COVID-19); however, their utility remains controversial in mild to moderate cases. The timing of CSs initiation during the disease course remains unaddressed. The study aims to evaluate the impact of early CSs in..
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Infectious diseases / Original Article
Risk factors and clinical impact of COVID-19-associated pulmonary aspergillosis: Multicenter retrospective cohort study
Raeseok Lee, Sung-Yeon Cho, Dong-Gun Lee, Hyojin Ahn, Hyeah Choi, Su-Mi Choi, Jae-Ki Choi, Jung-Hyun Choi, Shin Young Kim, Youn Jeong Kim, Hyo-Jin Lee
Korean J Intern Med. 2022;37(4):851-863. Published online May 26, 2022
Background/Aims: The risk factors and clinical impacts of coronavirus disease 2019 (COVID-19)-associated pulmonary aspergillosis (CAPA) remain controversial, and no data have been reported in Korea. This study aimed to investigate the epidemiology and importance of CAPA diagnostic efforts and to ide..
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Gastroenterology / Original Article
Positive fecal immunochemical test results are associated with non-colorectal cancer mortality
Yoon Suk Jung, Jinhee Lee, Chang Mo Moon
Korean J Intern Med. 2022;37(2):313-321. Published online September 29, 2021
Background/Aims: Studies have reported an association between fecal occult blood and increased all-cause, non-colorectal cancer (CRC) as well as CRC mortality. This study aimed to determine whether positive fecal immunochemistry test (FIT) results are associated with death from various causes in the..
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Cardiology / Original Article
Effect of body mass index and abdominal obesity on mortality after percutaneous coronary intervention: a nationwide, population-based study
Woo-Hyuk Song, Eun Hui Bae, Jeong Cheon Ahn, Tae Ryom Oh, Yong-Hyun Kim, Jin Seok Kim, Sun-Won Kim, Soo Wan Kim, Kyung-Do Han, Sang-Yup Lim
Korean J Intern Med. 2021;36(Suppl 1):S90-S98. Published online February 25, 2021
Background/Aims: We investigated the impact of obesity on the clinical outcomes following percutaneous coronary intervention (PCI).
Methods: We included South Koreans aged > 20 years who underwent the Korean National Health Screening assessment between 2009 and 2012. Obesity was defined using the b..
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Gastroenterology / Original Article
Impact of non-hepatic hyperammonemia on mortality in intensive care unit patients: a retrospective cohort study
Jae Heon Kim, Hankyu Jeon, Sang Soo Lee, I Re Heo, Jung Woo Choi, Hee Jin Kim, Ra Ri Cha, Jae Min Lee, Hyun Jin Kim
Korean J Intern Med. 2021;36(6):1347-1355. Published online July 15, 2021
Background/Aims: The effect of hyperammonemia on the mortality in patients with liver cirrhosis is well documented. However, little is known about the impact of hyperammonemia on mortality among intensive care unit patients without hepatic disease. We aimed to investigate factors associated with non..
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Gastroenterology / Original Article
Impact of liver cirrhosis on the clinical outcomes of patients with COVID-19: a nationwide cohort study of Korea
Dongsub Jeon, Minkook Son, Jonggi Choi
Korean J Intern Med. 2021;36(5):1092-1101. Published online August 18, 2021
Background/Aims: The impact of liver cirrhosis (LC) on the clinical outcomes of patients with coronavirus disease 2019 (COVID-19) remains elusive. This study evaluated the association between LC and the development of severe complications from COVID-19.
Methods: We used the National Health Insuranc..
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Rheumatology / Original Article
Clinical features of Korean elderly patients with antineutrophil cytoplasmic antibody-associated vasculitis
Byung-Woo Yoo, Jason Jungsik Song, Yong-Beom Park, Sang-Won Lee
Korean J Intern Med. 2021;36(3):731-741. Published online August 20, 2020
Background/Aims: We compared the clinical and laboratory data between elderly and non-elderly patients with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) at diagnosis; further, we investigated the predictors at diagnosis for all-cause mortality and end-stage renal disease (E..
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Endocrinology-metabolism / Original Article
Fasting glucose level and all-cause or cause-specific mortality in Korean adults: a nationwide cohort study
Yi-Suk Kim, Yong-Moon Park, Kyung-Do Han, Jae-Seung Yun, Yu-Bae Ahn, Seung-Hyun Ko
Korean J Intern Med. 2021;36(3):647-658. Published online July 7, 2020
Background/Aims: Although people with diabetes have been shown to have higher mortality than people without diabetes, there is a lack of data on the association between fasting plasma glucose (FPG) levels and cause-specific mortality rates in the general population.
Methods: A total of 326,547 Kore..
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Cardiology / Original Article
Different therapeutic associations of renin-angiotensin system inhibitors with coronavirus disease 2019 compared with usual pneumonia
Hae-Young Lee, Juhee Ahn, Juhong Park, Chang Kyung Kang, Sung-Ho Won, Dong Wook Kim, Jong-Heon Park, Ki-Hyun Chung, Joon-Sung Joh, JI Hwan Bang, Cheong Hee Kang, Myoung-don Oh, Wook Bum Pyun; The Korean Society of Hypertension; The National Committee for Clinical Management of Emerging Infectious Diseases
Korean J Intern Med. 2021;36(3):617-628. Published online April 16, 2021
Background/Aims: Although it is near concluded that renin-angiotensin system inhibitors do not have a harmful effect on coronavirus disease 2019 (COVID-19), there is no report about whether angiotensin receptor blockers (ARBs) and angiotensin-converting enzyme inhibitors (ACEIs) offer any protective..
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