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					| Editorials |  
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											| Cardiology / Editorial											Ankle brachial index: a simple path to the future Jong Shin Woo 
												Korean J Intern Med. 2023;38(3):277-279.   Published online April 28, 2023												 |  |  
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											| Infectious diseases / Editorial											Significance of antinuclear antibodies in patients with COVID-19 Oh-Hyun Cho 
												Korean J Intern Med. 2023;38(3):280-281.   Published online April 28, 2023												 |  |  | Reviews |  
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											| Cardiology / Review											Omega-3 fatty acids and atrial fibrillation Ji Hye Huh, Sang-Ho Jo 
												Korean J Intern Med. 2023;38(3):282-289.   Published online December 14, 2022												 
													Although some clinical trials have demonstrated reduced incidence of cardiovascular disease with the use of omega-3 fatty acids, others have found an increased risk of atrial fibrillation (AF). AF is the most common sustained cardiac arrhythmia worldwide. It is associated with high morbidity and mor..												 |  |  
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											| Nephrology / Review											Evaluation and management of hypernatremia in adults: clinical perspectives Giae Yun, Seon Ha Baek, Sejoong Kim 
												Korean J Intern Med. 2023;38(3):290-302.   Published online December 29, 2022												 
													Hypernatremia is an occasionally encountered electrolyte disorder, which may lead to fatal consequences under improper management. Hypernatremia is a disorder of the homeostatic status regarding body water and sodium contents. This imbalance is the basis for the diagnostic approach to hypernatremia...												 |  |  
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											| Nephrology / Review											Sarcopenia in chronic kidney disease: from bench to bedside Da Woon Kim, Sang Heon Song 
												Korean J Intern Med. 2023;38(3):303-321.   Published online April 20, 2023												 
													Sarcopenia is a condition characterized by a loss of muscle mass and function. In chronic kidney disease (CKD), where a chronic catabolic state exists, sarcopenia commonly occurs through various mechanisms, resulting in muscle wasting and decreased muscle endurance. Sarcopenic patients with CKD have..												 |  |  
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											| Nephrology / Review											Recent updates in therapeutic approach using tolvaptan for autosomal dominant polycystic kidney disease Yaerim Kim, Seungyeup Han 
												Korean J Intern Med. 2023;38(3):322-331.   Published online April 25, 2023												 
													As a genetic disease, there has been a long-standing effort to identify therapeutic options for autosomal dominant polycystic kidney disease (ADPKD). Following the development of tolvaptan, a vasopressin 2 receptor antagonist, the treatment strategy for ADPKD patients with rapid disease progression ..												 |  |  
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											| Hospital medicine / Review											Current concerns on journal article with preprint: Korean Journal of Internal Medicine perspectives Hyoung-Chul Oh, Hyun Kang 
												Korean J Intern Med. 2023;38(3):332-337.   Published online April 13, 2023												 
													Preprints are preliminary research reports that have not yet been peer-reviewed. They have been widely adopted to promote the timely dissemination of research across many scientific fields. In August 1991, Paul Ginsparg launched an electronic bulletin board intended to serve a few hundred colleagues..												 |  |  | Original Articles |  
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											| Gastroenterology / Original Article											Comorbidities and the use of comedications among patients with chronic hepatitis C in Korea: A nationwide cross-sectional study Kyung Min Kwon, Jae-Jun Shim, Gi-Ae Kim, Bo Ok Kim, Helin Han, Hyun Jung Ahn 
												Korean J Intern Med. 2023;38(3):338-348.   Published online April 10, 2023												 
													Background/Aims: Chronic hepatitis C (CHC) is the second leading cause of liver-related mortality and is more prevalent in the elderly population in Korea. Decisions to initiate treatment and selection of proper antiviral agents may be challenging among elderly patients due to relevant comorbidities..												 |  |  
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											| Gastroenterology / Original Article											Clinical and endoscopic characteristics of sessile serrated lesions with dysplasia/carcinoma Peel Jung, Hyung Wook Kim, Su Bum Park, Dae Hwan Kang, Cheol Woong Choi, Su Jin Kim, Hyeong Seok Nam, Dae Gon Ryu, Dong Hoon Shin, Joo Young Na, Mi Sook Yun 
												Korean J Intern Med. 2023;38(3):349-361.   Published online March 27, 2023												 
													Background/Aims: Some sessile serrated lesions (SSLs) progress into dysplasia and colorectal cancer, however, the clinical and endoscopic characteristics of SSLs with dysplasia remain to be determined. In this study, we elucidated these characteristics in SSLs with dysplasia/carcinoma, compared with..												 |  |  
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											| Gastroenterology / Original Article											The diagnostic significance of hepatitis C virus antibody levels for chronic hepatitis C virus infection Jin Gu Kang, Myoung Kuk Jang, Jung Hee Kim, Jang Han Jung, Ji Won Park, Sung Eun Kim, Sang Hoon Park, Myung Seok Lee, Ki Tae Suk, Dong Joon Kim, Hyoung Su Kim 
												Korean J Intern Med. 2023;38(3):362-371.   Published online April 11, 2023												 
													Background/Aims: Although anti-hepatitis C virus (HCV) assay is widely used to screen for HCV infection, it has a high false-positive (FP) rate in low-risk populations. We investigated the accuracy of anti-HCV signal-to-cutoff (S/CO) ratio to distinguish true-positive (TP) from FP HCV infection.
Me..												 |  |  
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											| Cardiology / Original Article											Influence of an abnormal ankle-brachial index on ischemic and bleeding events in patients undergoing percutaneous coronary intervention Hangyul Kim, Seung Do Lee, Hyo Jin Lee, Hye Ree Kim, Kyehwan Kim, Jin-Sin Koh, Seok-Jae Hwang, Jin-Yong Hwang, Jong-Hwa Ahn, Yongwhi Park, Young-Hoon Jeong, Jeong Rang Park, Min Gyu Kang 
												Korean J Intern Med. 2023;38(3):372-381.   Published online April 20, 2023												 
													Background/Aims: Bleeding events after percutaneous coronary intervention (PCI) have important prognostic implications. Data on the influence of an abnormal ankle-brachial index (ABI) on both ischemic and bleeding events in patients undergoing PCI are limited.
Methods: We included patients who unde..												 |  |  
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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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											| Nephrology / Original Article											CTLA4-Ig protects tacrolimus-induced oxidative stress via inhibiting the AKT/FOXO3 signaling pathway in rats Long Jin, Nan Shen, Xinyu Wen, Weidong Wang, Sun Woo Lim, Chul Woo Yang 
												Korean J Intern Med. 2023;38(3):393-405.   Published online April 28, 2023												 
													Background/Aims: Although the conversion from tacrolimus (TAC) to cytotoxic T-lymphocyte-associated antigen 4-immunoglobulin (CTLA4-Ig) is effective in reducing TAC-induced nephrotoxicity, it remains unclear whether CTLA4-Ig has a direct effect on TAC-induced renal injury. In this study, we evaluate..												 |  |  
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											| Hemato-oncology / Original Article											Efficacy of the granisetron transdermal system for the control of nausea and vomiting induced by highly emetogenic chemotherapy: a multicenter, randomized, controlled trial Der Sheng Sun, Yoon Ho Ko, Jong Youl Jin, In Sook Woo, Suk Young Park, Yun Ae Eom, Jin Hyoung Kang, Hoon Kyo Kim 
												Korean J Intern Med. 2023;38(3):406-416.   Published online March 11, 2022												 
													Background/Aims: We compared the efficacy of the granisetron transdermal system (GTS) with that of ondansetron for controlling chemotherapy-induced nausea and vomiting (CINV) in patients treated with highly emetogenic chemotherapy (HEC).
Methods: We randomized a total of 389 patients to groups trea..												 |  |  
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											| Infectious diseases / Original Article											Clinical significance of antinuclear antibody positivity in patients with severe coronavirus disease 2019 Soo Hyun Park, Jin Woong Suh, Kyung-Sook Yang, Jeong Yeon Kim, Sun Bean Kim, Jang Wook Sohn, Young Kyung Yoon 
												Korean J Intern Med. 2023;38(3):417-426.   Published online April 6, 2023												 
													Background/Aims: This study aimed to investigate the clinical characteristics and outcomes of fluorescent antinuclear antibody (FANA)-positive patients admitted for coronavirus disease 2019 (COVID‐19) and identify FANA as a prognostic factor of mortality.
Methods: This retrospective study was con..												 |  |  
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											| Rheumatology / Original Article											A retrospective observational study of the appropriate starting dose of febuxostat in patients with gout Joondon Lee, Jinseok Kim, Byeongzu Ghang, Wooseong Jeong 
												Korean J Intern Med. 2023;38(3):427-433.   Published online November 3, 2022												 
													Background/Aims: The occurrence of gout attacks at the start of uric acid lowering treatment worsens compliance. We aimed to determine the appropriate dose of febuxostat to reduce the occurrence of gout attacks during the initial treatment period. 
Methods: We retrospectively analyzed the data of ..												 |  |  
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											| Hospital medicine / Original Article											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..												 |  |  | Images of interest |  
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											| Pulmonology / Image of interest											Diffuse pleural thickening with nodularity in a healthy young woman Kyongmin Sarah Beck, Yeoun Eun Sung, Sook Hee Hong, Seok Hwan Moon, Ji Young Kang 
												Korean J Intern Med. 2023;38(3):444-445.   Published online December 27, 2022												 |  |  
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											| Gastroenterology / Image of interest											Massive gastric dilatation Dao-Hui Wei, Yu-Kui Peng, Wei Liu 
												Korean J Intern Med. 2023;38(3):446-447.   Published online February 27, 2023												 |  |  
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											| Hemato-oncology / Image of interest											Fever of unknown origin caused by hemophagocytic lymphohistiocytosis associated with diffuse large B-cell lymphoma Min-Sun Kim, Bohyun Kim, Han-Jo Kim, Sang-Cheol Lee 
												Korean J Intern Med. 2023;38(3):448-449.   Published online April 7, 2023												 |  |  | Corrigendum |  
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											| Pulmonology / Corrigendum											Microbiologic pattern and clinical outcome of non-ICU-acquired pneumonia: Korean HAP registry analysis Jin Ho Jang, Hye Ju Yeo, Taehwa Kim, Woo Hyun Cho, Kyung Hoon Min, Sang-Bum Hong, Ae-Rin Baek, Hyun-Kyung Lee, Changhwan Kim, Youjin Chang, Hye Kyeong Park, Jee Youn Oh, Heung Bum Lee, Soohyun Bae, Jae Young Moon, Kwang Ha Yoo, Hyun-Il Gil, Kyeongman Jeon;  on behalf of the Korean HAP/VAP Study Group 
												Korean J Intern Med. 2023;38(3):450-450.   Published online April 24, 2023												 |  |  |