- IBD
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Efficacy of serum leucine-rich alpha-2 glycoprotein in predicting findings of Crohn’s disease small bowel lesion in capsule endoscopy
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Teppei Omori, Miki Koroku, Shun Murasugi, Ayumi Ito, Maria Yonezawa, Shinichi Nakamura, Katsutoshi Tokushige
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Intest Res 2024;22(4):464-472. Published online May 7, 2024
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DOI: https://doi.org/10.5217/ir.2023.00139
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 Abstract
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- Background/Aims
Small bowel capsule endoscopy (SBCE) is an evaluation method for small bowel (SB) lesions in Crohn’s disease (CD). However, the relationship between SBCE findings and the serological biomarker leucine-rich alpha-2 glycoprotein (LRG) remains unclear. We aimed to establish appropriate cutoff values of LRG to predict the presence of SB lesions in CD through SBCE.
Methods
Patients with CD with SB lesions who had undergone SBCE and LRG measurements 1 month before and after the SBCE were included. The LRG values for ulcers ≥0.5 cm and other inflammatory lesions noted in SBCE were determined using the Youden Index, and the sensitivity and specificity were calculated. Additionally, the correlation between the SBCE scores (CD Activity in Capsule Endoscopy) and LRG values was evaluated.
Results
Forty patients without active colorectal lesions were included in the study. When the cutoff value of LRG for SB ulcers ≥ 0.5 cm was set at 14 μg/mL, the sensitivity was 92.3%, specificity was 81.5%, positive predictive value (PPV) was 70.6%, and negative predictive value (NPV) was 95.7%. In contrast, an LRG cutoff value of 12 μg/mL without inflammatory findings had a sensitivity of 91.7%, specificity of 82.1%, PPV of 68.8%, and NPV of 95.8%. CD Activity in Capsule Endoscopy correlated well with LRG values (Spearman’s rank correlation coefficient ρ = 0.681, P< 0.001).
Conclusions
An LRG cutoff value of 14 μg/mL may be useful in predicting the presence of SB ulcers ≥ 0.5 cm, and an LRG cutoff value of 12 μg/mL may be useful in predicting the absence of SB inflammatory findings.
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Citations
Citations to this article as recorded by  - Leucine-rich alpha-2 glycoprotein as a superior biomarker to C-reactive protein for detecting small bowel lesions in Crohn’s disease
Masashi Ohno, Atsushi Nishida, Akinori Otsuki, Yoshihiro Yokota, Takayuki Imai, Shigeki Bamba, Osamu Inatomi
World Journal of Gastrointestinal Endoscopy.2025;[Epub] CrossRef - Complete mucosal healing prevents stricture progression after endoscopic balloon dilation in Crohn's disease
Jun Owada, Kunihiko Oguro, Tomonori Yano, Yusuke Ono, Takuma Kobayashi, Shoko Miyahara, Hirotsugu Sakamoto, Hironori Yamamoto
DEN Open.2025;[Epub] CrossRef
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- IBD
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Granulocyte and monocyte apheresis therapy for patients with active ulcerative colitis associated with COVID-19: a case report
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Miki Koroku, Teppei Omori, Harutaka Kambayashi, Shun Murasugi, Tomoko Kuriyama, Yuichi Ikarashi, Maria Yonezawa, Ken Arimura, Kazunori Karasawa, Norio Hanafusa, Masatoshi Kawana, Katsutoshi Tokushige
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Intest Res 2022;20(1):150-155. Published online March 12, 2021
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DOI: https://doi.org/10.5217/ir.2020.00148
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Abstract
PDFPubReaderePub
- Coronavirus disease 2019 (COVID-19), caused by infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is now a pandemic. Although several treatment guidelines have been proposed for patients who have both inflammatory bowel disease and COVID-19, immunosuppressive therapy is essentially not recommended, and the treatment options are limited. Even in the COVID-19 pandemic, adjuvant adsorptive granulocyte and monocyte apheresis may safely bring ulcerative colitis (UC) into remission by removing activated myeloid cells without the use of immunosuppressive therapy. Our patient was a 25-year-old Japanese male with UC and COVID-19. This is the first case report of the induction of UC remission with granulocyte and monocyte apheresis treatment for active UC associated with COVID-19.
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Citations
Citations to this article as recorded by - Phenotypic changes in immune cells induced by granulocyte and monocyte adsorptive apheresis in patients with severe COVID‐19: An ex vivo study
Ryo Hisamune, Kazuma Yamakawa, Katsuhide Kayano, Noritaka Ushio, Takeshi Wada, Kohei Taniguchi, Akira Takasu
Acute Medicine & Surgery.2024;[Epub] CrossRef - SARS-CoV-2 vaccination for adult patients with inflammatory bowel disease: expert consensus statement by KASID
Yoo Jin Lee, Seong-Eun Kim, Yong Eun Park, Ji Young Chang, Hyun Joo Song, Duk Hwan Kim, Young Joo Yang, Byung Chang Kim, Jae Gon Lee, Hee Chan Yang, Miyoung Choi, Seung-Jae Myung
Intestinal Research.2022; 20(2): 171. CrossRef - SARS-CoV-2 Vaccination for Adult Patients with Inflammatory Bowel Disease: Expert Consensus Statements by KASID
Yoo Jin Lee, Seong-Eun Kim, Yong Eun Park, Ji Young Chang, Hyun Joo Song, Duk Hwan Kim, Young Joo Yang, Byung Chang Kim, Jae Gon Lee, Hee Chan Yang, Miyoung Choi, Seung-Jae Myung
The Korean Journal of Gastroenterology.2021; 78(2): 117. CrossRef
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