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Image of interest
Crystalline light chain cast nephropathy in multiple myeloma
Zi-Shan Lin, Xu Zhang, Yi-Yi Ma, Su-Xia Wang, Fu-De Zhou
Korean J Intern Med. 2021;36(4):1025-1026. Published online June 2, 2021
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Image of interest
Exfoliative esophagitis: endoscopic and clinical profile of patient with severe chronic malnutrition
Andrey P. Kiryukhin, Pavel V. Pavlov, Alexander S. Tertychnyy, Kirill B. Puzakov, Ramin T. Rzayev
Korean J Intern Med. 2021;36(4):1023-1024. Published online July 31, 2020
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Rheumatology / Original Article
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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Allergy / Original Article
Effect of omalizumab as add-on therapy to Quality of Life Questionnaire for Korean Asthmatics (KAQLQ) in Korean patients with severe persistent allergic asthma
[corrected-article]
Jae-Woo Jung, Hae-Sim Park, Choon-Sik Park, Sang-Heon Cho, Inseon S. Choi, Hee-Bom Moon, Soon Seog Kwon, Ho Joo Yoon, Jung Won Park, Jong-Myung Lee, Dong-Chull Choi, Byoung Whui Choi
Korean J Intern Med. 2021;36(4):1001-1013. Published online June 1, 2021
Background/Aims: Omalizumab is the first biologic known to be effective in patients with severe allergic asthma.
Methods: This study was conducted as a multicenter, single-group, open trial to evaluate the improvement in the quality of life with the additional administration of omalizumab for 24 w..
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Infectious diseases / Original Article
Varicella zoster virus (VZV)-specific immunity and subclinical VZV reactivation in patients with autoimmune diseases
Kwang-Hoon Lee, Sungim Choi, Ji-Soo Kwon, Sung-Han Kim, Seong Yeon Park
Korean J Intern Med. 2021;36(4):992-1000. Published online June 15, 2021
Background/Aims: The risk of herpes zoster (HZ) is increased in patients with autoimmune diseases (AID), probably due to immunosuppressive therapy.
Methods: This prospective cross-sectional study investigated varicella zoster virus (VZV)-specific immunity in relation to subclinical VZV reactivation..
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Hemato-oncology / Original Article
Clinical characteristics and survival of colorectal cancer patients in Korea stratified by age
Sun Kyung Baek, Ji Sung Lee, In Gyu Hwang, Jong Gwang Kim, Tae Won Kim, Seung Kook Sohn, Mi Yeon Kang, Sang-Cheol Lee
Korean J Intern Med. 2021;36(4):985-991. Published online April 6, 2021
Background/Aims: This nationwide study was undertaken to determine differences in clinicopathologic characteristics and survival of patients with colorectal cancer (CRC) according to age using big data from the Korean National Health Insurance Service (NHIS).
Methods: The NHIS data including qualit..
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Hemato-oncology / Original Article
Temporal evolution of programmed death-ligand 1 expression in patients with non-small cell lung cancer
Chang Hyun Nam, Jaemoon Koh, Chan-Young Ock, Miso Kim, Bhumsuk Keam, Tae Min Kim, Yoon Kyung Jeon, Dong-Wan Kim, Doo Hyun Chung, Dae Seog Heo
Korean J Intern Med. 2021;36(4):975-984. Published online April 6, 2021
Background/Aims: Programmed death-ligand 1 (PD-L1) expression, a validated predictive biomarker for anti-PD-1/PD-L1 inhibitors, is reported to change over time. This poses challenges during clinical application in non-small cell lung cancer.
Methods: This study included patients with non-small cell..
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Nephrology / Original Article
Role of Akt1 in renal fibrosis and tubular dedifferentiation during the progression of acute kidney injury to chronic kidney disease
Il Young Kim, Yeon Kyeong Park, Sang Heon Song, Eun Young Seong, Dong Won Lee, Sun Sik Bae, Soo Bong Lee
Korean J Intern Med. 2021;36(4):962-974. Published online December 16, 2020
Background/Aims: Acute kidney injury (AKI) is an underestimated yet important risk factor for the development of chronic kidney disease (CKD), characterized by tubulointerstitial fibrosis and tubular dedifferentiation. Tubular dedifferentiation, which is associated with the loss of epithelial marker..
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Nephrology / Original Article
Water-soluble coenzyme Q10 provides better protection than lipid-soluble coenzyme Q10 in a rat model of chronic tacrolimus nephropathy
Sheng Cui, Kang Luo, Yi Quan, Sun Woo Lim, Yoo Jin Shin, Kyung Eun Lee, Hong Lim Kim, Eun Jeong Ko, Ju Hwan Kim, Sang J. Chung, Soo Kyung Bae, Byung Ha Chung, Chul Woo Yang
Korean J Intern Med. 2021;36(4):949-961. Published online January 12, 2021
Background/Aims: Coenzyme Q10 (CoQ10), is a promising antioxidant; however, low bioavailability owing to lipid-solubility is a limiting factor. We developed water-soluble CoQ10 (CoQ10-W) and compared its effects with conventional lipid-soluble CoQ10
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Endocrinology-metabolism / Original Article
Impact of urgently initiated tele-prescription due to COVID-19 on glycemic control in patients with type 2 diabetes
Sung-Don Park, Na-young Kim, Jae-Han Jeon, Jung-Guk Kim, In-Kyu Lee, Keun-Gyu Park, Yeon-Kyung Choi
Korean J Intern Med. 2021;36(4):942-948. Published online June 7, 2021
Background/Aims: Coronavirus disease 2019 (COVID-19) is a global pandemic that had affected more than 13,000 people in South Korea by July 2020. To prevent spread of COVID-19, tele-prescription was permitted temporarily. This study investigated the impact of tele-prescription on glycemic control in ..
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Endocrinology-metabolism / Original Article
Weight change and microvascular outcomes in patients with new-onset diabetes: a nationwide cohort study
Eun Sil Koh, Kyung Do Han, Mee Kyoung Kim, Eun Sook Kim, Min-Kyung Lee, Ga Eun Nam, Hyuk-Sang Kwon
Korean J Intern Med. 2021;36(4):932-941. Published online May 13, 2021
Background/Aims: Because weight control is important in treatment of type 2 diabetes, it is essential to understand the associations between weight change and the risk of microvascular complications among patients with type 2 diabetes. We examined whether weight changes early after new-onset diabete..
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Pulmonology / Original Article
Pulse pressure during the initial resuscitative period in patients with septic shock treated with a protocol-driven resuscitation bundle therapy
Sang-Hun Lee, Youn-Jung Kim, Gi Na Yu, Jae Cheon Jeon, Won Young Kim
Korean J Intern Med. 2021;36(4):924-931. Published online August 20, 2020
Background/Aims: Maintaining a mean arterial pressure (MAP) ≥ 65 mmHg during septic shock should be based on individual circumstances, but specific target is poorly understood. We investigated associations between time-weighted average (TWA) hemodynamic parameters during the initial resuscitative ..
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Pulmonology / Original Article
Upregulation of receptor tyrosine kinase-like orphan receptor 2 in idiopathic pulmonary fibrosis
Ji-Hye Son, Jong-Uk Lee, Susie Chin, Eun-Suk Go, Jai-Seong Park, Hwa-Kyun Shin, Hun Soo Chang, Jong-Sook Park, Choon-Sik Park
Korean J Intern Med. 2021;36(4):914-923. Published online September 21, 2020
Background/Aims: Receptor tyrosine kinase-like orphan receptor 2 (ROR2) is a major regulator of Wnt signaling, which is involved in fibroblast dysfunction. Because its role has not been evaluated in idiopathic pulmonary fibrosis (IPF), we examined the clinical implications of ROR2 expression.
Metho..
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Cardiology / Original Article
A prospective, observational study of rivaroxaban for stroke prevention in atrial fibrillation: the XANAP Korea
Jaemin Shim, Young Keun On, Sun U. Kwon, Gi-Byoung Nam, Moon-Hyoung Lee, Hyung-Wook Park, Keun-Sik Hong, Nam-Ho Kim, Pierre Amarenco, Seung-Woon Rha, Dong-Gu Shin, Joung-Ho Rha, Young-Hoon Kim
Korean J Intern Med. 2021;36(4):906-913. Published online June 11, 2021
Background/Aims: Atrial fibrillation (AF)-related stroke accounts for 20% of ischemic strokes. Rivaroxaban use in AF patients for preventing stroke and systemic embolism was approved in 2013 in Korea. This study was to investigate the safety and effectiveness of rivaroxaban use in Korean patients wi..
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Cardiology / Original Article
The effect of beta-blockers in acute heart failure according to heart rate
Hyun-Jin Kim, Sang-Ho Jo, Min-Ho Lee, Won-Woo Seo, Jin-Oh Choi, Kyu-Hyung Ryu
Korean J Intern Med. 2021;36(4):898-905. Published online September 21, 2020
Background/Aims: Beta-blockers (BBs) have been shown to improve clinical outcomes in heart failure (HF) patients. We evaluated the prescribing status of BBs in patients with HF with reduced ejection fraction (HFrEF) at discharge according to the presence or not of bradycardia, and its effect on prog..
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Cardiology / Original Article
Apparent treatment-resistant hypertension among ambulatory hypertensive patients: a cross-sectional study from 13 general hospitals
Sehun Kim, Jin Joo Park, Mi-Seung Shin, Choong Hwan Kwak, Bong-Ryeol Lee, Sung-Ji Park, Hae-Young Lee, Sang-Hyun Kim, Seok-Min Kang, Byung-Su Yoo, Joong-Wha Chung, Si Wan Choi, Sang-Ho Jo, Jinho Shin, Dong-Ju Choi
Korean J Intern Med. 2021;36(4):888-897. Published online June 7, 2021
Background/Aims: To examine the prevalence and clinical characteristics of apparent treatment-resistant hypertension among ambulatory hypertensive patients.
Methods: We enrolled adult ambulatory hypertensive patients at 13 well-qualified general hospitals in Korea from January to June 2012. Apparen..
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Gastroenterology / Original Article
Clinical risk factors and pattern of initial fungal contamination in endoscopic biopsy-derived gastrointestinal cancer organoid culture
Su Youn Nam, Seung Jin Lee, Hee Jung Lim, Ji Young Park, Seong Woo Jeon
Korean J Intern Med. 2021;36(4):878-887. Published online April 8, 2021
Background/Aims: Because gastrointestinal tract is not sterile, primary culture has contamination risk despite of massive washing with antimicrobial media. Microbial contamination can play a key role in initial failure during biopsy-derived primary tumor culture.
Methods: Tumor tissue was acquired ..
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Gastroenterology / Original Article
Subclinical sacroiliitis detected by abdominopelvic computed tomography in Korean patients with Crohn’s disease
You-Jung Ha, Hyo Jin Kim, Eugene Lee, Ji Hye Park, Young Soo Park, Yun Jong Lee, Yusuhn Kang, Hyuk Yoon
Korean J Intern Med. 2021;36(4):868-877. Published online March 22, 2021
Background/Aims: Sacroiliitis is a frequent extraintestinal manifestation of inflammatory bowel diseases (IBDs). This study aimed to assess the prevalence of sacroiliitis using a validated screening tool based on abdominopelvic computed tomography (APCT) in Korean patients with Crohn’s disease (CD..
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Gastroenterology / Original Article
Helicobacter pylori-derived outer membrane vesicles stimulate interleukin 8 secretion through nuclear factor kappa B activation
Mun Sun Choi, Eun Young Ze, Jae Yong Park, Tae-Seop Shin, Jae Gyu Kim
Korean J Intern Med. 2021;36(4):854-867. Published online November 27, 2020
Background/Aims: Bacteria-derived outer membrane vesicles (OMVs) are commonly associated with various biological activities and functions. Helicobacter pylori-derived OMVs are thought to contribute to pathogenesis. This study aimed to investigate the effects of H. pylori-derived OMVs.
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Gastroenterology / Original Article
Application of deep learning to predict advanced neoplasia using big clinical data in colorectal cancer screening of asymptomatic adults
Hyo-Joon Yang, Chang Woo Cho, Jongha Jang, Sang Soo Kim, Kwang-Sung Ahn, Soo-Kyung Park, Dong Il Park
Korean J Intern Med. 2021;36(4):845-856. Published online October 23, 2020
Background/Aims: We aimed to develop a deep learning model for the prediction of the risk of advanced colorectal neoplasia (ACRN) in asymptomatic adults, based on which colorectal cancer screening could be customized.
Methods: We collected data on 26 clinical and laboratory parameters, including ag..
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