Rheumatology / Original Article
Clinical influences of anticentromere antibody on primary Sjögren’s syndrome in a prospective Korean cohort
Youngjae Park, Jennifer Lee, Jung Hee Koh, Jung Yoon Choe, Yoon-Kyoung Sung, Shin-Seok Lee, Ji-Min Kim, Sung-Hwan Park, Seung-Ki Kwok
Korean J Intern Med. 2021;36(6):1492-1503. Published online August 24, 2020
Background/Aims: This study was performed to clarify inf luences of anticentromere antibody (ACA) on clinical phenotypes of primary Sjögren’s syndrome (pSS) patients in Korea. Methods: We assessed 318 patients who met the 2016 American College of Rheumatology/ European League Against Rheumatism cla..
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Infectious diseases / Original Article
Can reactogenicity predict immunogenicity after COVID-19 vaccination?
Young Hoon Hwang, Kyoung-Ho Song, Yunsang Choi, Suryeong Go, Su-Jin Choi, Jongtak Jung, Chang Kyung Kang, Pyoeng Gyun Choe, Nam-Joong Kim, Wan Beom Park, Myoung-don Oh
Korean J Intern Med. 2021;36(6):1486-1491. Published online May 28, 2021
Background/Aims: This study aimed to assess the association between local and systemic reactogenicity and humoral immunogenicity after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccination.
Methods: Adverse events were prospectively evaluated using an electronic diary in 135 heal..
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Nephrology / Original Article
Human kidney organoids model the tacrolimus nephrotoxicity and elucidate the role of autophagy
Jin Won Kim, Sun Ah Nam, Eunjeong Seo, Jong Young Lee, Dohui Kim, Ji Hyeon Ju, Sun Woo Lim, Hong Lim Kim, Hyung Wook Kim, Chul Woo Yang, Jin Kim, Dong Sung Kim, Yong Kyun kim
Korean J Intern Med. 2021;36(6):1420-1436. Published online July 27, 2021
Background/Aims: Tacrolimus has been used as an immunosuppressive agent in organ transplantation. Despite the therapeutic benefits, tacrolimus’s use is limited due to its nephrotoxicity. To reduce tacrolimus nephrotoxicity, effective humanized experimental models may be helpful. Here, we modeled t..
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Gastroenterology / Original Article
Clinical analysis of 117 cases with synchronous multiple primary esophageal squamous cell carcinomas
Zhiqin Chen, Sihan Li, Zheng He, Guang Li
Korean J Intern Med. 2021;36(6):1356-1364. Published online April 29, 2020
Background/Aims: We aimed to study the clinical characteristics, treatment modality, and the prognosis of synchronous multiple primary esophageal squamous cell carcinomas (SMPESCC).
Methods: A total of 117 SMPESCC cases were evaluated retrospectively from 2010 to 2015.
Results: The most common loc..
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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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Review
Eosinophilic endotype of chronic obstructive pulmonary disease: similarities and differences from asthma
Andrew Li, Hiang Ping Chan, Phyllis X.L. Gan, Mei Fong Liew, W.S. Fred Wong, Hui-Fang Lim
Korean J Intern Med. 2021;36(6):1305-1319. Published online October 12, 2021
Approximately 25% to 40% of patients with chronic obstructive pulmonary disease (COPD) have the eosinophilic endotype. It is important to identify this group accurately because they are more symptomatic and are at increased risk for exacerbations and accelerated decline in forced expiratory volume i..
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Review
Hepatic sinusoidal obstruction syndrome/veno-occlusive disease after hematopoietic cell transplantation: historical and current considerations in Korea
Jae-Ho Yoon, Chul Won Choi, Jong-Ho Won
Korean J Intern Med. 2021;36(6):1261-1280. Published online September 24, 2021
Hepatic sinusoidal obstruction syndrome/veno-occlusive disease (SOS/VOD) is a rare but severe complication of hematopoietic cell transplantation (HCT) showing high mortality. Multiple risk factors for SOS/VOD were identified, but it is often confused with other hepatic complications due to nonspecif..
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Geriatrics / Original Article
Validity of the Clinical Frailty Scale in Korean older patients at a geriatric clinic
Hee-Won Jung, Il-Young Jang, Ji Yeon Back, Seunghyun Park, Chan MI Park, Seung Jun Han, Eunju Lee
Korean J Intern Med. 2021;36(5):1242-1250. Published online December 30, 2020
Background/Aims: We aimed to assess the validity of the Korean translated version of the Clinical Frailty Scale (CFS) in determining the frailty status in geriatric outpatients.
Methods: The records of 123 ambulatory outpatients who had undergone CFS and comprehensive geriatric assessments (CGAs) i..
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Hospital Medicine / Original Article
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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Rheumatology / Original Article
Evaluation of body composition using computed tomography in patients with anti-neutrophil cytoplasmic antibody-associated vasculitis
Sung Soo Ahn, Byung-Woo Yoo, Hyeok Chan Kwon, Juyoung Yoo, Seung Min Jung, Jason Jungsik Song, Yong-Beom Park, Sang-Won Lee
Korean J Intern Med. 2021;36(5):1221-1232. Published online August 18, 2020
Background/Aims: Measures of body composition, including visceral adipose tissue (VAT), subcutaneous adipose tissue (SAT), and skeletal muscle area (SMA), are considered important prognostic factors in chronic diseases. The association of these measures with auto-inflammatory disorders, such as anti..
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Hemato-oncology / Original Article
Risk factors for neutropenic fever in non-Hodgkin’s lymphoma patients with primary granulocyte colony-stimulating factor prophylaxis
Yu Ri Kim, Soo-Jeong Kim, Yong Park, Sung Yong Oh, Hwan-Jung Yun, Yeung-Chul Mun, Jin Seok Kim; the Korean Society of Hematology Lymphoma Working Party
Korean J Intern Med. 2021;36(5):1181-1189. Published online July 16, 2021
Background/Aims: Febrile neutropenia (FN) interferes with the proper chemotherapy dose density or intensity in non-Hodgkin’s lymphoma (NHL) patients. Chemotherapy with cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP) ± rituximab has an intermediate FN risk. Prophylactic granulocy..
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Nephrology / Original Article
Reduction in proteinuria after immunosuppressive therapy and long-term kidney outcomes in patients with immunoglobulin A nephropathy
Shin Chan Kang, Hyung Woo Kim, Tae Ik Chang, Ea Wha Kang, Beom Jin Lim, Jung Tak Park, Tae-Hyun Yoo, Hyeon Joo Jeong, Shin-Wook Kang, Seung Hyeok Han
Korean J Intern Med. 2021;36(5):1169-1180. Published online February 10, 2021
Background/Aims: Despite controversy regarding the benefits of immunosuppressive therapy in immunoglobulin A nephropathy (IgAN), clinical outcomes may vary depending on the patient’s responsiveness to this therapy. This study evaluated long-term kidney outcomes according to the extent of proteinur..
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Pulmonology / Original Article
Estimating the burden of nosocomial exposure to tuberculosis in South Korea, a nationwide population based cross-sectional study
Hyung Woo Kim, Jun-Pyo Myong, Ju Sang Kim
Korean J Intern Med. 2021;36(5):1134-1145. Published online December 18, 2020
Background/Aims: The aim of the study was to investigate the current nationwide burden of nosocomial exposure to tuberculosis (TB) using national health insurance claims data.
Methods: All patients who had claims for drug susceptibility testing for TB from 2012 to 2016, which indicated culture-prov..
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Cardiology / Original Article
Prevalence and characteristics of isolated nocturnal hypertension in the general population
Moo-Yong Rhee, Je Sang Kim, Chee Hae Kim, Ji-Hyun Kim, Jung-Ha Lee, Sun-Woong Kim, Deuk-Young Nah, Namyi Gu, Eun-Joo Cho, Ki-Chul Sung, Kyung-Soon Hong
Korean J Intern Med. 2021;36(5):1126-1133. Published online April 5, 2021
Background/Aims: Ascertaining the prevalence of isolated nocturnal hypertension (INHT) in the general population and identifying the characteristics of patients with INHT may be important to determine patients who should receive 24- hour ambulatory blood pressure (BP) measurements. This study aimed ..
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Gastroenterology / Original Article
Risk of colorectal cancer in patients with positive results of fecal immunochemical test performed within 5 years since the last colonoscopy
Yoon Suk Jung, Jinhee Lee, Chang Mo Moon
Korean J Intern Med. 2021;36(5):1083-1091. Published online June 18, 2021
Background/Aims: Annual fecal immunochemical tests (FITs) are often repeated within the recommended colonoscopy surveillance intervals. However, it remains unclear whether interval FITs are useful. To answer this question, we assessed the risk of colorectal cancer (CRC) according to the interval fro..
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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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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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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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