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Post-polypectomy bleeding in hot-snare polypectomy of colonic polyps under continued warfarin or short interruption of direct oral anticoagulants

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International Journal of Colorectal Disease Aims and scope Submit manuscript

Abstract

Background

Newly published guidelines of the Japanese Gastroenterological Endoscopy Society (JGES) suggest to consider endoscopic procedures with high risk of bleeding without stopping warfarin and with stopping direct oral anticoagulants (DOACs) only on the day of the procedure. In this study, we aimed to test the validity of these recommendations.

Patients and methods

We retrospectively reviewed medical records of 344 patients with anticoagulant therapy who underwent hot-snare polypectomy between January 2012 and October 2018. Patients (n = 132) with interruption of anticoagulants (3–7 days for warfarin and 2–3 days for DOACs before the procedure) and without heparin-bridging were excluded. Among the remaining 212 patients, the incidence of post-polypectomy bleeding was compared between the following 2 patient groups: patients who had interruption of anticoagulants with heparin-bridging (HB group, n = 139) and patients treated according to the new JGES guideline (FG group, n = 73).

Results

The rate of post-polypectomy bleeding (PPB) in FG group (9.6%) was not significantly different from that in HB group (12.9%, p = 0.5). In subgroup analysis, the incidence of bleeding in patients with warfarin (12.2%) and with DOAC (6.3%) in FG group was not significantly different from corresponding figures in HB group (14.2%, 0%). In multivariate analysis, number of resected polyps was associated with PPB, but the administration of anticoagulants according to the new guidelines was not a significant risk factor for PPB (p = .98).

Conclusions

Our study affirms the recommendations of JGES for the management of anticoagulants in patients who undergo colonic polypectomy regarding post-polypectomy bleeding.

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Authors and Affiliations

  1. Department of Gastroenterology and Hepatology, Kurashiki Central Hospital, 1-1-1, Miwa, Kurashiki, Okayama, 710-8602, Japan

    Yuichi Shimodate, Masayuki Ueno, Tomohiko Sunami, Hiroshi Takayama, Rio Takezawa, Akira Doi, Naoyuki Nishimura, Hirokazu Mouri, Kazuhiro Matsueda, Hiroshi Yamamoto & Motowo Mizuno

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  1. Yuichi Shimodate
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  2. Masayuki Ueno
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  3. Tomohiko Sunami
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  4. Hiroshi Takayama
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  5. Rio Takezawa
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  6. Akira Doi
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  7. Naoyuki Nishimura
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  8. Hirokazu Mouri
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  9. Kazuhiro Matsueda
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  10. Hiroshi Yamamoto
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  11. Motowo Mizuno
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Corresponding author

Correspondence to Yuichi Shimodate.

Ethics declarations

The study was approved by the institutional review board of the Kurashiki Central Hospital. Written informed consent for the procedures was obtained from all patients before they underwent the procedure, and informed consent for participating in this study was obtained, with the opportunity to opt out.

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The authors declare that they have no conflict of interest.

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Shimodate, Y., Ueno, M., Sunami, T. et al. Post-polypectomy bleeding in hot-snare polypectomy of colonic polyps under continued warfarin or short interruption of direct oral anticoagulants. Int J Colorectal Dis 34, 1705–1712 (2019). https://doi.org/10.1007/s00384-019-03373-4

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  • DOI: https://doi.org/10.1007/s00384-019-03373-4

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