Volume 30, Issue 10 pp. 1161-1171
ORIGINAL ARTICLE

Impact of antithrombotic therapy on postpancreatectomy hemorrhage in 7116 patients: A project study by the Japanese Society of Hepato-Biliary-Pancreatic Surgery

Kota Nakamura

Kota Nakamura

Department of Surgery, Nara Medical University, Nara, Japan

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Minako Nagai

Minako Nagai

Department of Surgery, Nara Medical University, Nara, Japan

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Ippei Matsumoto

Ippei Matsumoto

Department of Surgery, Kindai University Faculty of Medicine, Osaka, Japan

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Sohei Satoi

Sohei Satoi

Department of Surgery, Kansai Medical University, Osaka, Japan

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Fuyuhiko Motoi

Fuyuhiko Motoi

Department of Surgery, Yamagata University Graduate School of Medical Science, Yamagata, Japan

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Manabu Kawai

Manabu Kawai

Second Department of Surgery, School of Medicine, Wakayama Medical University, Wakayama, Japan

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Yasuo Hosouchi

Yasuo Hosouchi

Department of Surgery, Gunma Saiseikai Maebashi Hospital, Maebashi, Japan

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Ryota Higuchi

Ryota Higuchi

Department of Surgery, Institute of Gastroenterology, Tokyo Women's Medical University, Tokyo, Japan

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Shugo Mizuno

Shugo Mizuno

Department of Hepatobiliary Pancreatic and Transplant Surgery, Mie University Graduate School of Medicine, Mie, Japan

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Takao Ohtsuka

Takao Ohtsuka

Department of Digestive Surgery, Breast and Thyroid Surgery, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan

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Keiichi Akahoshi

Keiichi Akahoshi

Department of Hepatobiliary-Pancreatic Surgery, Tokyo Medical and Dental University, Tokyo, Japan

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Kenichi Hakamada

Kenichi Hakamada

Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Aomori, Japan

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Michiaki Unno

Michiaki Unno

Department of Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan

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Hiroki Yamaue

Hiroki Yamaue

Second Department of Surgery, School of Medicine, Wakayama Medical University, Wakayama, Japan

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Masafumi Nakamura

Masafumi Nakamura

Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan

Project Committee, Japanese Society of Hepato-Biliary-Pancreatic Surgery, Tokyo, Japan

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Itaru Endo

Itaru Endo

Department of Gastroenterological Surgery, Yokohama City University Graduate School of Medicine, Kanagawa, Japan

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Masayuki Sho

Corresponding Author

Masayuki Sho

Department of Surgery, Nara Medical University, Nara, Japan

Correspondence

Masayuki Sho, Department of Surgery, Nara Medical University, Shijo-cho, Kashihara, Nara 634-8522, Japan.

Email: [email protected]

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First published: 01 September 2023

Abstract

Background

We previously reported an association between antithrombotic therapy and an increased risk of postpancreatectomy hemorrhage (PPH). To validate our findings, we conducted a large-scale multicenter retrospective study from 63 high-volume centers in Japan.

Methods

Between 2015 and 2018, 7116 patients who underwent pancreatectomy were enrolled. The antithrombotic group consisted of 920 patients (12.9%) who received preoperative antithrombotic agents including aspirin, clopidogrel, ticlopidine, prasugrel, warfarin, and direct oral anticoagulants.

Results

PPH occurred in 235 (3.3%) of the patients. The incidence of PPH and mortality were significantly higher in the antithrombotic group than in the control group (5.7 vs. 3.0% and 2.2 vs. 0.9%, respectively; both p < .001). In multivariate analysis, a history of antithrombotic use was an independent risk factor for grade C PPH (p = .036). In the antithrombotic group, PPH tended to be delayed in the patients with restarting antithrombotic therapy. Notably, the occurrence of delayed PPH after restarting antithrombotic therapy was observed only when antithrombotic therapy was restarted within 10 days after pancreatectomy.

Conclusions

This multicenter study demonstrated that a history of antithrombotic use was a significant risk factor for PPH and mortality. In particular, the resumption of antithrombotic therapy in the early postoperative period should be done with caution.

CONFLICT OF INTEREST STATEMENT

This study was supported by the Japanese Society of Hepato-Biliary-Pancreatic Surgery.

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