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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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Hemato-oncology / Original Article
Association between absolute lymphocyte count and overall mortality in patients with surgically resected gastric cancer
Se Jun Park, Jinsoo Lee, Hyunho Kim, Kabsoo Shin, MyungAh Lee, Jae Myung Park, Myung-Gyu Choi, Cho Hyun Park, Kyo Young Song, Han Hong Lee, In-Ho Kim
Korean J Intern Med. 2021;36(3):679-688. Published online February 19, 2021
Background/Aims: Lymphocytes are an important component of the cell-mediated immune system. As lymphopenia is reportedly associated with poor prognoses in patients with various cancers, we investigated this notion in patients who underwent curative gastrectomy.
Methods: We retrospectively analyzed ..
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Nephrology / Original Article
Effect of urinary angiotensinogen and high-salt diet on blood pressure in patients with chronic kidney disease: results from the Korean Cohort Study for Outcome in Patients with Chronic Kidney Disease (KNOW-CKD)
Ha Yeon Kim, Hong Sang Choi, Chang Seong Kim, Eun Hui Bae, Seong Kwon Ma, Su-Ah Sung, Seung Hyeok Han, Kook-Hwan Oh, Curie Ahn, Soo Wan Kim
Korean J Intern Med. 2021;36(3):659-667. Published online October 8, 2020
Background/Aims: This study aimed to investigate whether urinary angiotensinogen (UAGT) excretion was associated with elevated blood pressure in patients with chronic kidney disease (CKD) and to evaluate the relationship among blood pressure, intra-renal renin-angiotensin system (RAS) activity, and ..
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Cardiology / Original Article
The change in high-sensitivity troponin-T as a risk factor for significant coronary stenosis in patients with acute coronary syndrome
Min Chul Kim, Seok Oh, Youngkeun Ahn, Keumyi Moon, Joon Ho Ahn, Dae Young Hyun, Kyung Hoon Cho, Doo Sun Sim, Young Joon Hong, Ju Han Kim, Myung Ho Jeong, Jeong Gwan Cho, Jong Chun Park
Korean J Intern Med. 2021;36(3):608-616. Published online January 4, 2021
Background/Aims: High-sensitivity cardiac troponin (hs-TnT) assays detect very low levels of cardiac troponin. This study examined the interval change between initial and subsequent hs-TnT levels and evaluated its ability to predict significant coronary stenosis.
Methods: The study analyzed 163 pat..
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Gastroenterology / Original Article
Impact of nonalcoholic fatty liver disease on the risk of metachronous colorectal neoplasia after polypectomy
Nam Hee Kim, Yoon Suk Jung, Jung Ho Park, Dong Il Park, Chong Il Sohn
Korean J Intern Med. 2021;36(3):557-567. Published online July 7, 2020
Background/Aims: Metabolic syndrome has been reported to be a risk factor for metachronous colorectal neoplasia (CRN). However, the impact of nonalcoholic fatty liver disease (NAFLD), a hepatic manifestation of metabolic syndrome, on the development of metachronous CRN after polypectomy has been rar..
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Gastroenterology / Original Article
The predictors of sustained virological response with sofosbuvir and ribavirin in patients with chronic hepatitis C genotype 2
Sung Yong Han, Hyun Young Woo, Jeong Heo, Sang Gyu Park, Sung Ik Pyeon, Young Joo Park, Dong Uk Kim, Gwang Ha Kim, Hyung Hoi Kim, Geun Am Song, Mong Cho
Korean J Intern Med. 2021;36(3):544-556. Published online March 19, 2019
Background/Aims: Real-world, clinical practice data are lacking about sofosbuvir/ ribavirin (SOF/RBV) treatment of Korean patients with hepatitis C virus genotype 2 (HCV GT2) infection. This study investigated the efficacy and safety of SOF/RBV in Korean patients with HCV GT2 infection and clinical ..
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Review
Recent advances in the diagnosis and management of interstitial pneumonia with autoimmune features: the perspective of rheumatologists
Hong Ki Min, Se-Hee Kim, Sang-Heon Lee, Hae-Rim Kim
Korean J Intern Med. 2021;36(3):515-526. Published online February 8, 2021
Interstitial pneumonia with autoimmune feature (IPAF) is a recently established disease entity that is comprised of interstitial lung diseases with evidence of autoimmune features but that does not fulfill the criteria for definite autoimmune rheumatic diseases. The classification criteria for IPAF ..
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Allergy / Original Article
Retinol-binding protein-4 was associated with sensitization to inhalant allergens in the elderly population
Byung-Keun Kim, Woo-Jung Song, Bomi Seo, Ju-Young Kim, Sae-Hoon Kim, Hak C. Jang, Ki-Woong Kim, Yoon-Seok Chang
Korean J Intern Med. 2021;36(2):447-455. Published online October 13, 2020
Background/Aims: Recent evidence suggests an association between allergic sensitization and metabolic markers. However, this association has rarely been examined in the elderly. Retinol-binding protein-4 (RBP-4) is a recently identified adipokine that acts on the muscle and liver affecting insulin s..
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Infectious diseases / Original Article
Comparison of antimicrobial resistances and clinical features in community-onset Escherichia coli and Klebsiella pneumoniae bacteremia
Hwa Seok Sung, Je Won Lee, Sohyun Bae, Ki Tae Kwon
Korean J Intern Med. 2021;36(2):433-440. Published online March 31, 2020
Background/Aims: The aim of this study was to compare antimicrobial resistance, clinical features, and outcomes of community-onset Escherichia coli (COEC) and Klebsiella pneumoniae (COKP) bacteremia.
Methods: The medical records of patients diagnosed with E. coli or K. pneum..
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Hemato-oncology / Original Article
Leukemic stem cell phenotype is associated with mutational profile in acute myeloid leukemia
Heejoo Han, Ja Min Byun, Dong-Yeop Shin, Sung-Soo Yoon, Youngil Koh, Junshik Hong, Inho Kim, Chansup Lee, Hyeonjoo Yoo, Hongseok Yun, Man Jin Kim, Sung Im Cho, Moon-Woo Seong, Sung Sup Park
Korean J Intern Med. 2021;36(2):401-412. Published online August 20, 2020
Background/Aims: Understanding leukemic stem cell (LSC) is important for acute myeloid leukemia (AML) treatment. However, association of LSC with patient prognosis and genetic information in AML patients is unclear.
Methods: Here we investigated the associations between genetic information and the ..
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Cardiology / Original Article
Impact of carotid atherosclerosis in CHA2DS2-VASc-based risk score on predicting ischemic stroke in patients with atrial fibrillation
Dong-Hyuk Cho, Jong-Il Choi, Jimi Choi, Yun Gi Kim, Suk-Kyu Oh, Hyungdon Kook, Kwang No Lee, Jaemin Shim, Seong-Mi Park, Wan Joo Shim, Young-Hoon Kim
Korean J Intern Med. 2021;36(2):342-351. Published online February 27, 2020
Background/Aims: Vascular disease is an established risk factor for stroke in patients with atrial fibrillation (AF), which is included in CHA2DS2-VASc score. However, the role of carotid atherosclerosis remains to be determined.
Methods: Three hundred-ten patients with AF who..
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Cardiology / Original Article
Progression of ascending aortopathy may not occur after transcatheter aortic valve replacement in severe bicuspid aortic stenosis
Ji-Hyun Jung, Hyung-Kwan Kim, Jun-Bean Park, Seung-Pyo Lee, Bon-Kwon Koo, Yong-Jin Kim, Hyo-Soo Kim, Dae-Won Sohn
Korean J Intern Med. 2021;36(2):332-341. Published online August 14, 2019
Background/Aims: We evaluated changes in the ascending aorta dimension post-transcatheter aortic valve replacement (TAVR) in bicuspid aortic valve (BiAV) and tricuspid aortic valve (TAV) patients.
Methods: Patients with severe aortic stenosis undergoing TAVR at Seoul National University Hospital we..
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Gastroenterology / Original Article
Sex difference in bowel preparation quality and colonoscopy time
Young-Jae Hwang, Dong Woo Shin, Nayoung Kim, Hyuk Yoon, Cheol Min Shin, Young Soo Park, Dong Ho Lee
Korean J Intern Med. 2021;36(2):322-331. Published online June 22, 2020
Background/Aims: The length of colon is known to be longer in females than in males. In addition, the morphology of colon cancer is different between males and females. The aim of this study was to investigate sex differences in Boston bowel preparation score (BBPS) and colonoscopy insertion time.
..
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Gastroenterology / Original Article
Environmental risk factors and comorbidities of primary biliary cholangitis in Korea: a case-control study
Kyung-Ah Kim, Young Seok Kim, Sang Hoon Park, Woo Jin Chung, Dae Hee Choi, Eun Sun Jang, Sook-Hyang Jeong
Korean J Intern Med. 2021;36(2):313-321. Published online March 26, 2020
Background/Aims: The risk factors for the development of primary biliary cholangitis (PBC) is unclear. This study aimed to investigate the risk factors associated with PBC in Korea through a questionnaire survey.
Methods: Consecutively enrolled 103 PBC patients from six referral hospitals and 100 a..
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Gastroenterology / Original Article
Risk factors of advanced metachronous neoplasms in surveillance after colon cancer resection
Kwangwoo Nam, Jeong Eun Shin
Korean J Intern Med. 2021;36(2):305-312. Published online April 21, 2020
Background/Aims: Regular surveillance colonoscopy after colon cancer resection is recommended for detecting metachronous adenoma and cancer. However, risk factors for metachronous neoplasms have not been fully evaluated. We aimed to assess risk factors for advanced metachronous neoplasms during surv..
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Gastroenterology / Original Article
Comparison of the efficacy and safety of direct-acting antiviral therapy with or without hepatitis C-related hepatocellular carcinoma
Byung Soo Kwan, Jeong Han Kim, Seong Jun Park, Won Hyeok Choe, So Young Kwon, Byung-Chul Yoo
Korean J Intern Med. 2021;36(2):292-304. Published online April 3, 2020
Background/Aims: Chronic hepatitis C (CHC) treatment has dramatically improved since direct-acting antiviral (DAA) therapy was introduced. However, the use of DAA therapy in CHC patients with hepatocellular carcinoma (HCC) remains controversial. We investigated the DAA treatment response in CHC pati..
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Infectious diseases / Original Article
Ongoing outbreak of human adenovirus-associated acute respiratory illness in the Republic of Korea military, 2013 to 2018
Jae-Hoon Ko, Hyeong-taek Woo, Hong Sang Oh, Song Mi Moon, Joon Young Choi, Jeong Uk Lim, Donghoon Kim, Junsu Byun, Soon-Hwan Kwon, Daeyoun Kang, Jung Yeon Heo, Kyong Ran Peck
Korean J Intern Med. 2021;36(1):205-213. Published online September 5, 2019
Background/Aims: Human adenovirus type 55 (HAdV-55), an emerging epidemic strain, has caused several large outbreaks in the Korean military since 2014, and HAdV-associated acute respiratory illness (HAdV-ARI) has been continuously reported thereafter.
Methods: To evaluate the epidemiologic characte..
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Hemato-oncology / Original Article
Treatment outcome and prognostic factors of Korean patients with chronic lymphocytic leukemia: a multicenter retrospective study
Yunsuk Choi, Jung-Hee Lee, Chul Won Jung, Jae-Cheol Jo, Jin Seok Kim, Inho Kim, Silvia Park, June-won Cheong, Sang-Hyuk Park, Sung-Yong Kim, Hong-Ghi Lee
Korean J Intern Med. 2021;36(1):194-204. Published online April 14, 2020
Background/Aims: Compared with Western countries, chronic lymphocytic leukemia (CLL) rarely occurs in Asia and has different clinical characteristics. Thus, we aimed to evaluate the clinical characteristics, treatment outcomes, and prognostic significance of Korean patients with CLL.
Methods: We re..
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Hemato-oncology / Original Article
Role of concurrent chemoradiation on locally advanced unresectable adenoid cystic carcinoma
Hyerim Ha, Bhumsuk Keam, Chan-Young Ock, Tae Min Kim, Jin Ho Kim, Eun-Jae Chung, Seong Keun Kwon, Soon-Hyun Ahn, Hong-Gyun Wu, Myung-Whun Sung, Dae Seog Heo
Korean J Intern Med. 2021;36(1):175-181. Published online March 30, 2020
Background/Aims: Adenoid cystic carcinoma (ACC) is a rare salivary gland tumor characterized by indolence, with a high rate of local recurrence and distant metastasis. This study aimed to investigate the effect of concurrent chemoradiation (CCRT) on locally advanced unresectable ACC.
Methods: We re..
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