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A case of transcatheter arterial embolization for intraperitoneal hemorrhage due to giant hepatic segmental arterial mediolysis

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Abstract

This study aimed to demonstrate the effect of transcatheter arterial embolization (TAE) on hepatic segmental arterial mediolysis (SAM). The patient, a 68-year-old female, suddenly developed right upper abdominal pain in October 2021, which was initially relieved. However, she was rushed to a local hospital the next day when her abdominal pain recurred. An abdominal computed tomography scan suggested a ruptured hepatic aneurysm; therefore, she was transferred to our hospital and admitted on the same day. On the first day after admission, she underwent emergency catheterization and N-butyl-2-cyanoacrylate (NBCA)/lipiodol embolization for an aneurysm in the hepatic S6. A multi-detector computed tomography on hospital day 8 to probe for extrahepatic lesions revealed multiple beaded irregularities in the superior mesenteric and bilateral renal arteries. A head magnetic resonance angiography performed on the ninth day showed no aneurysms or irregularities. She did well after TAE, did not have rebleeding, and was discharged on hospital day 16. Rupture of an aneurysm associated with SAM occurs frequently in the colonic and gastroepiploic arteries, and rupture of a hepatic aneurysm is relatively rare. TAE hemostasis was able to save the patient by preventing intraperitoneal bleeding caused by hepatic segmental arterial mediolysis.

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Abbreviations

SAM:

Segmental arterial mediolysis

TAE:

Transcatheter arterial embolization

CT:

Computed tomography

MRA:

Magnetic resonance angiography

Hb:

Hemoglobin

CA:

Celiac artery

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Authors and Affiliations

  1. Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka, 589-8511, Japan

    Hiroki Kato, Satoru Hagiwara, Naoshi Nishida, Yoriaki Komeda, Akihiro Yoshida & Masatoshi Kudo

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  1. Hiroki Kato
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  2. Satoru Hagiwara
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  3. Naoshi Nishida
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  4. Yoriaki Komeda
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  5. Akihiro Yoshida
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  6. Masatoshi Kudo
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Correspondence to Satoru Hagiwara.

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Kato, H., Hagiwara, S., Nishida, N. et al. A case of transcatheter arterial embolization for intraperitoneal hemorrhage due to giant hepatic segmental arterial mediolysis. Clin J Gastroenterol 16, 397–401 (2023). https://doi.org/10.1007/s12328-023-01766-1

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  • DOI: https://doi.org/10.1007/s12328-023-01766-1

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