- IBD
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Risk of venous thromboembolism with a central venous catheter in hospitalized Japanese patients with inflammatory bowel disease: a propensity score-matched cohort study
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Yasuhiro Aoki, Hiroki Kiyohara, Yohei Mikami, Kosaku Nanki, Takaaki Kawaguchi, Yusuke Yoshimatsu, Shinya Sugimoto, Tomohisa Sujino, Kaoru Takabayashi, Naoki Hosoe, Haruhiko Ogata, Yasushi Iwao, Takanori Kanai
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Intest Res 2023;21(3):318-327. Published online February 10, 2023
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DOI: https://doi.org/10.5217/ir.2022.00116
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 Abstract
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- Background/Aims
Thromboprophylaxis is recommended for hospitalized patients with inflammatory bowel disease (IBD) in Western countries, although it is selectively administered to high-risk patients in East Asia. A central venous catheter (CVC) is commonly placed in patients with IBD. Although CVC placement is considered a risk factor for venous thromboembolism (VTE), the degree of increased risk in patients with IBD is uncertain. This study aimed to identify the risk of VTE with CVC placement in hospitalized Japanese patients with IBD without thromboprophylaxis.
Methods
This retrospective cohort study included patients with ulcerative colitis or Crohn’s disease who were admitted for disease flares at Keio University Hospital between January 2016 and December 2020. Patients who already had thrombosis or were administered any antithrombotic treatment on admission were excluded. VTE development during the hospitalization was surveyed, and VTE risk associated with CVC indwelling was estimated using propensity score matching and inverse probability of treatment weighting analyses.
Results
Altogether, 497 hospitalized patients with IBD (ulcerative colitis, 327; Crohn’s disease, 170) were enrolled. VTE developed in 9.30% (12/129) of catheterized patients and in 0.82% (3/368) of non-catheterized patients. The propensity score matching yielded 127 matched pairs of patients. The catheterized group demonstrated higher odds for VTE than the non-catheterized group (odds ratio, 13.15; 95% confidence interval, 1.68–102.70). A similar result was obtained in the inverse probability of treatment weighting analysis (odds ratio, 11.02; 95% confidence interval, 2.64–46.10).
Conclusions
CVC placement is a major risk factor for VTE among hospitalized Japanese patients with IBD without thromboprophylaxis.
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Citations
Citations to this article as recorded by  - Safety and effectiveness of tofacitinib in Korean adult patients with ulcerative colitis: post-marketing surveillance study
Hyuk Yoon, Byong Duk Ye, Sang-Bum Kang, Kang-Moon Lee, Chang Hwan Choi, Joo-young Jo, Juwon Woo, Jae Hee Cheon
BMC Gastroenterology.2024;[Epub] CrossRef
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Ulcerative colitis-associated neoplasms often harbor poor prognostic histologic components with low detection by biopsy
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Ryoya Sakakibara, Shinya Sugimoto, Kaoru Takabayashi, Hiroki Kiyohara, Yusuke Wakisaka, Yuta Kaieda, Miho Kawaida, Yusuke Yoshimatsu, Tomohisa Sujino, Naoki Hosoe, Motohiko Kato, Masayuki Shimoda, Yohei Mikami, Yasushi Iwao, Takanori Kanai
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Received January 5, 2024 Accepted March 5, 2024 Published online May 7, 2024
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DOI: https://doi.org/10.5217/ir.2024.00006
[Epub ahead of print]
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Abstract
PDFPubReaderePub
- Background/Aims
Poorly differentiated adenocarcinoma, signet-ring cell carcinoma, and mucinous adenocarcinoma (por/sig/muc), which are considered to be histologic subtypes with a poor prognosis, occur more frequently with colitis-associated cancer than with sporadic tumors. However, their invasiveness and manifestations are unclear. This study aimed to determine the prevalence of the por/sig/muc component in ulcerative colitis-associated neoplasms (UCANs) and its association with invasiveness and to clarify its clinicohistologic and endoscopic features.
Methods
This retrospective observational study included patients diagnosed with ulcerative colitis-associated high-grade dysplasia or adenocarcinoma from 1997 to 2022 who were divided according to the presence or absence of a por/sig/muc component.
Results
Thirty-five patients had UCAN with a por/sig/muc component and 66 had UCAN without this component. The 5-year survival rate was significantly lower in the por/sig/muc group than in the tub group (67% vs. 96%, P= 0.001), which was attributed to disease above stage III and depth to below the subserosa. Biopsy-based diagnosis before resection detected a por/sig/muc component in only 40% of lesions (14/35). Lesions with a por/sig/muc component were prevalent even in the early stages: stage 0 (4/36, 11%), I (8/20, 40%), II (7/12, 58%), III (10/14, 71%), and IV (6/8, 75%).
Conclusions
This is the first investigation that shows UCANs with a por/sig/muc component tended to be deeply invasive and were often not recognized preoperatively. Endoscopists should be aware that UCAN often has a por/sig/muc component that is not always recognized on biopsy, and the optimal treatment strategy needs to be carefully considered.
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