Cardiology
Development and validation of equation for cardiorespiratory fitness in patients with heart failure with preserved ejection fraction
Byambakhand Battumur, Ji Eun Lee, Soo Hyung Park, You-Jung Choi, Dong Oh Kang, Eun Jin Park, Ji Bak Kim, Jah Yeon Choi, Seung Young Roh, Jin Oh Na, Cheol Ung Choi, Jin Won Kim, Seung Woon Rha, Chang Gyu Park, Eung Ju Kim
Korean J Intern Med. 2023;38(4):514-525. Published online June 20, 2023
Background/Aims: Cardiorespiratory fitness (CRF), as measured by maximal oxygen consumption (VO2max), is an important independent predictive factor of cardiovascular outcomes in patients with heart failure (HF). However, it is unclear whether conventional equations for estimating CRF are applicable ..
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Pulmonology
Diagnostic index for acute eosinophilic pneumonia without bronchoscopy in military smokers
Sunmin Park, Deokjae Han, Ji Eun Lee, Duck Hyun Ryu, Hyung-Jun Kim
Korean J Intern Med. 2022;37(2):377-386. Published online December 16, 2021
Background/Aims: Acute eosinophilic pneumonia (AEP) is common among military smokers; however, bronchoscopy is required for the diagnosis. We aimed to derive and validate a scoring system to diagnose AEP without bronchoscopy.
Methods: We conducted a retrospective study including patients diagnosed ..
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Rheumatology
Developing the Korean Educational Needs Assessment Tool (Korean ENAT) in rheumatoid arthritis: cross-cultural validation using Rasch analysis
Yoon-Kyoung Sung, Hyoungyoung Kim, Sung Joo Cha, Sae-Hyung Kim, Mwidimi Ndosi, Soo-Kyung Cho
Korean J Intern Med. 2021;36(4):1014-1022. Published online October 30, 2020
Background/Aims: This study was performed to undertake cross-cultural adaptation and validation of the Educational Needs Assessment Tool (ENAT) in rheumatoid arthritis (RA) for use in Korea.
Methods: The study involved two main phases: cross-cultural adaptation of the ENAT from English into Korean,..
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Endocrinology-metabolism
Validation of the Friedewald formula for estimating low density lipoprotein cholesterol: the Korea National Health and Nutrition Examination Survey, 2009 to 2011
Jongseok Lee, Sungok Jang, Haemin Jeong, Ohk-Hyun Ryu
Korean J Intern Med. 2020;35(1):150-159. Published online March 21, 2018
Background/Aims: The aim of this study is to compare Friedewald-estimated and directly measured low density lipoprotein cholesterol (LDL-C) values and assess the concordance in guideline risk classification between the two methods.
Methods: The data were derived from the 2009 to 2011 Korea National..
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