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Korean J Intern Med > Epub ahead of print
Moon: Transarterial embolization for incorrectable abdominal wall hematoma after abdominal paracentesis
Abdominal paracentesis is a treatment or diagnostic option for patients with liver disease. Usually the procedure is minimally invasive, because a small gauge needle is used. Patients with acute or chronic liver disease tend to have severe coagulopathy, and for this reason, hemorrhage after abdominal paracentesis is a critical complication in these patients. The inferior epigastric artery is the most common bleeding vessel followed by the mesenteric varix. However, bleeding from other vessels is rare, and multiple vascular bleedings are extremely rare. We present a case of multiple vascular bleeding complications after abdominal paracentesis in which transarterial embolization was required.
After paracentesis, abdominal wall hematoma occurred in a 49-year-old patient with cirrhosis and ascites. On a computed tomography (CT) scan, a huge hyperdense mass with multiple pseudoaneurysms (arrows), compatible with hematoma, was observed in the right abdominal wall (Fig. 1A and 1B). Right external iliac angiography visualized pseudoaneurysms at the right inferior gastric and lateral circumflex iliac arteries (Fig. 1D), which was confirmed by maximal intensity projection CT images (Fig. 1C). Laboratory findings showed anemia induced by massive bleeding, hemoglobin level (7.4 g/dL) with prothrombin time prolongation. The patient was treated by percutaneous transarterial embolization. Internal mammary artery angiography showed multiple punctate ongoing hemorrhagic foci at the superior epigastric artery (Fig. 2A), which is the terminal branch of the internal mammary artery. The superior epigastric artery was anastomosed with the inferior epigastric artery, which is extremely rare in case of vascular bleeding (Fig. 2B). Branches of the superior gluteal artery showed ongoing large amounts of hemorrhage (Fig. 2C). These vessels were all treated with micro coils and particles, and final angiography showed no ongoing hemorrhagic focus and well embolized arteries (Fig. 2D).
Abdominal paracentesis is a common procedure in patients with liver disease, and thus, the possibility of complications is easily overlooked. To reduce the risk of complications, it is important bleeding tendency be checked before the procedure and that vessels passing through the abdominal wall be avoided by using ultrasound.

Conflict of interest

No potential conflict of interest relevant to this article was reported.

Figure 1.
(A) A 9 cm sized hyperdense acute hemorrhagic collection (arrows) at the right abdominal wall on pre-contrast computed tomography (CT) image and punctate ongoing hemorrhage (arrowheads) on (B) post-contrast CT image and (C) on maximal intensity projection image. Right external iliac angiogram showing multiple punctate. (D) Pre-contrast CT image showing a 9 cm sized hyperdense acute hemorrhagic collection (arrows) at the right abdominal wall ongoing hemorrhagic foci (arrowheads) around the right inferior epigastric and lateral circumflex iliac arteries.
kjim-2017-339f1.gif
Figure 2.
(A) Internal mammary artery angiogram showing multiple punctate ongoing hemorrhagic foci (arrows) at the superior epigastric artery (the terminal branch of the internal mammary artery). (B) The superior epigastric artery was anastomosed with the inferior epigastric artery (arrowheads). (C) The branches of the superior gluteal artery showed ongoing hemorrhage (open arrows) and (D) final angiography showed no ongoing hemorrhagic focus.
kjim-2017-339f2.gif
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