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Infectious diseases
Impact of the coronavirus disease 2019 pandemic on the incidence of other infectious diseases in the hematology hospital in Korea
Seohee Oh, Yu-Sun Sung, Mihee Jang, Yong-Jin Kim, Hyun-Wook Park, Dukhee Nho, Dong-Gun Lee, Hyeon Woo Yim, Sung-Yeon Cho
Korean J Intern Med. 2024;39(3):513-523. Published online April 23, 2024
Background/Aims: Since the coronavirus disease 2019 (COVID-19) outbreak, hospitals have implemented infection control measures to minimize the spread of the virus within facilities. This study aimed to investigate the impact of COVID-19 on the incidence of healthcare-associated infections (HCAIs) an..
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Pulmonology
Risk factors for progressing to critical illness in patients with hospital-acquired COVID-19
Kyung-Eui Lee, Jinwoo Lee, Sang-Min Lee, Hong Yeul Lee
Korean J Intern Med. 2024;39(3):477-487. Published online April 18, 2024
Background/Aims: Risk factors for progression to critical illness in hospital-acquired coronavirus disease 2019 (COVID-19) remain unknown. Here, we assessed the incidence and risk factors for progression to critical illness and determined their effects on clinical outcomes in patients with hospital-..
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Implementing antimicrobial stewardship: lessons and perspectives from a university-affiliated tertiary hospital in Korea
Soo Jin Lee, Raeseok Lee, Sung-Yeon Cho, Dukhee Nho, Hye Lim Ahn, Dong-Gun Lee
Korean J Intern Med. 2024;39(3):399-412. Published online April 30, 2024
Antimicrobial stewardship programs (ASPs) can lower antibiotic use, decrease medical expenses, prevent the emergence of resistant bacteria, and enhance treatment for infectious diseases. This study summarizes the stepwise implementation and effects of ASPs in a single university-affiliated tertiary ..
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Pulmonology
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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Hospital medicine
Nationwide survey of internal medicine hospitalists in Korea: motivation and sustainability of a hospitalist career
Seung Jun Han, Dong-Ho Shin, Nak-Hyun Kim, Eun Sun Kim, Junhwan Kim, Hye Won Kim, Sung do Moon, Sang Wook Park, Jung Hun Ohn, Chang-Yun Woo, Ki Byung Lee, Jae Hyun Lee, Han Sung Lee, Yejee Lim, Seungha Hwang
Korean J Intern Med. 2023;38(3):434-443. Published online April 11, 2023
Background/Aims: Although a management fee for hospitalist service was established in Korea, the number of hospitalists required for the system to run remains outmatched.
Methods: In January 2020 and February 2022, before and after the establishment of the hospitalist fee system respectively, cross..
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Pulmonology
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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Executive summary of the Korean Society of Nephrology 2021 clinical practice guideline for optimal hemodialysis treatment
Ji Yong Jung, Kyung Don Yoo, Eunjeong Kang, Hee Gyung Kang, Su Hyun Kim, Hyoungnae Kim, Hyo Jin Kim, Tae-Jin Park, Sang Heon Suh, Jong Cheol Jeong, Ji-Young Choi, Young-Hwan Hwang, Miyoung Choi, Yae Lim Kim, Kook-Hwan Oh; the Clinical Practice Guideline Work Group
Korean J Intern Med. 2022;37(4):701-718. Published online June 3, 2022
The Korean Society of Nephrology (KSN) has published a clinical practice guideline (CPG) document for maintenance hemodialysis (HD). The document, 2021 Clinical Practice Guideline on Optimal HD Treatment, is based on an extensive evidence-oriented review of the benefits of preparation, initiation, a..
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Rheumatology
Trends in hospital visits and healthcare costs of gout and seropositive rheumatoid arthritis in Korea from 2010 to 2017 using National Healthcare Claims
Kyeong Min Son, Ju-Ryoung Kim, Hang A Park, Hyun Ah Kim
Korean J Intern Med. 2022;37(3):681-690. Published online October 26, 2021
Background/Aims: We examined temporal trends in the rate of gout and seropositive rheumatoid arthritis (RA) hospital visits and healthcare costs in Korea.
Methods: We conducted a serial cross-sectional analysis of Korean national healthcare claims. We calculated the annual increase in hospital visi..
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Aerosolized antibiotics in the treatment of hospital-acquired pneumonia/ventilator-associated pneumonia
Yun Jung Jung, Eun Jin Kim, Young Hwa Choi
Korean J Intern Med. 2022;37(1):1-12. Published online October 21, 2021
Aerosolized antibiotics are being increasingly used to treat respiratory infections, especially those caused by drug-resistant pathogens. Their use in the treatment of hospital-acquired pneumonia and ventilator-associated pneumonia in critically ill patients is especially significant. They are also ..
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Gastroenterology
Colonoscopy quality in community hospitals and nonhospital facilities in Korea
Jae Gon Lee, Dong Soo Han, Young-Eun Joo, Dae-Seong Myung, Dong Il Park, Seul Ki Kim, Yunho Jung, Won Hyun Lee, Eun Soo Kim, Joon Seok Yoon, Chang Soo Eun
Korean J Intern Med. 2021;36(Suppl 1):S35-S43. Published online May 12, 2020
Background/Aims: High-quality colonoscopy is essential to reduce colorectal cancer-related deaths. Little is known about colonoscopy quality in non-academic practice settings. We aimed to evaluate the quality of colonoscopies performed in community hospitals and nonhospital facilities.
Methods: Col..
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Hospital Medicine
Clinical Frailty Scale, K-FRAIL questionnaire, and clinical outcomes in an acute hospitalist unit in Korea
Seung Jun Han, Hee-Won Jung, Jae Hyun Lee, Jin Lim, Sung do Moon, Sock-Won Yoon, Hongran Moon, Seo-Young Lee, Hyeanji Kim, Sae-Rim Lee, Il-Young Jang
Korean J Intern Med. 2021;36(5):1233-1241. Published online June 4, 2021
Background/Aims: Frailty increases the risks of in-hospital adverse events such as delirium, falls, and functional decline in older adults. We assessed the feasibility and clinical relevance of frailty status in Korean older inpatients using the Clinical Frailty Scale (CFS) and Korean version of the..
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Strategies for successful implementation and permanent maintenance of a rapid response system
Myung Jin Song, Yeon Joo Lee
Korean J Intern Med. 2021;36(5):1031-1039. Published online August 18, 2021
Rapid response systems (RRSs) have been introduced to intervene with patients experiencing non-code medical emergencies and operate widely around the world. An RRS has four components: an afferent limb, an efferent limb, quality improvement, and administration. A proper triggering system, a hospital..
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Infectious diseases
Ten-year trends in antibiotic usage at a tertiary care hospital in Korea, 2004 to 2013
Bongyoung Kim, Hyeonjun Hwang, Jieun Kim, Myoung-jae Lee, Hyunjoo Pai
Korean J Intern Med. 2020;35(3):703-713. Published online September 27, 2018
Background/Aims: This study was performed to evaluate trends in antibiotic usage at a tertiary care hospital in Korea.
Methods: This study collated antibiotic prescription data and total patient days for inpatients at a tertiary care hospital in Korea between 2004 and 2013. The consumption of each ..
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Cardiology
Risk factors for poor prognosis in nosocomial infective endocarditis
Ji-won Hwang, Seung Woo Park, Eun Jeong Cho, Ga Yeon Lee, Eun Kyoung Kim, Sung-A Chang, Sung-Ji Park, Sang-Chol Lee, Cheol-In Kang, Doo Ryeon Chung, Kyong Ran Peck, Jae-Hoon Song
Korean J Intern Med. 2018;33(1):102-112. Published online June 2, 2017
Background/Aims: The aim of our study was to compare the characteristics of nosocomial infective endocarditis (NIE) with community-acquired infective endocarditis (CIE) and to determine independent risk factors for in-hospital death.
Methods: We retrospectively reviewed the medical records of 560 ..
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Nephrology
Which dialysis unit blood pressure is the most accurate for predicting home blood pressure in patients undergoing hemodialysis?
In-Cheol Yoon, Hye-Min Choi, Dong-Jin Oh
Korean J Intern Med. 2017;32(1):117-124. Published online April 7, 2016
Background/Aims: We investigated which dialysis unit blood pressure (BP) is the most useful for predicting home BP in patients undergoing hemodialysis (HD). Methods: Patients undergoing HD who had been treated > 3 months were included in this study. Exclusion criteria were hospitalized patients with..
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Pulmonology
Usefulness of neutrophil to lymphocyte ratio in patients with chronic obstructive pulmonary
disease: a prospective observational study
Seung Jun Lee, Hyang Rae Lee, Tae Won Lee, Sunmi Ju, Sujin Lim, Se-Il Go, Jung-Wan You, Yu Ji Cho, Gyeong-Won Lee, Yi Yeong Jeong, Ho Cheol Kim, Jong Deog Lee
Korean J Intern Med. 2016;31(5):891-898. Published online March 25, 2016
Background/Aims: Neutrophil to lymphocyte ratio (NLR) in peripheral blood is a useful systemic inflammatory response biomarker. However, NLR has not been studied in patients with chronic obstructive pulmonary disease (COPD). This study was aimed to evaluate the usefulness of NLR in patients with COP..
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Intermediate risk of multidrug-resistant organisms in patients who admitted intensive care unit with healthcare-associated pneumonia
Hongyeul Lee, Ji Young Park, Taehoon Lee, Yeon Joo Lee, Hyo-Jeong Lim, Jong Sun Park, Ho Il Yoon, Jae-Ho Lee, Choon-Taek Lee, Young-Jae Cho
Korean J Intern Med. 2016;31(3):525-534. Published online March 11, 2016
Background/Aims: Healthcare-associated pneumonia (HCAP) was proposed asa new pneumonia category in 2005, and treatment recommendations includebroad-spectrum antibiotics directed at multidrug-resistant (MDR) pathogens.However, this concept continues to be controversial, and microbiological data arela..
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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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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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Infectious diseases
Third-generation cephalosporin resistance of community-onset Escherichia coli and Klebsiella pneumoniae bacteremia in a secondary hospital
Shinwon Lee, Seung Woo Han, Kun Woo Kim, Do young Song, Ki Tae Kwon
Korean J Intern Med. 2014;29(1):49-56. Published online January 2, 2014
Background/Aims: To enable appropriate antimicrobial treatment for community-
onset infections in emergency departments (EDs), data are needed on the
resistance profiles of Escherichia coli and Klebsiella pneumoniae, which are the main
pathogens of community-onset bacteremia.
Methods: Records we..
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