Acute Gastrointestinal Hemorrhage: Radiologic Diagnosis and Management

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Acute Gastrointestinal Hemorrhage: Radiologic Diagnosis and Management Jeffrey D. Jaskolka, MD, FRCPC, Shagran Binkhamis, MBBS, Vikram Prabhudesai, MBBS, MS, FRCR, Tanya P. Chawla, MBBS, MRCP, FRCPC  Canadian Association of Radiologists Journal  Volume 64, Issue 2, Pages 90-100 (May 2013) DOI: 10.1016/j.carj.2012.08.001 Copyright © 2013 Canadian Association of Radiologists Terms and Conditions

Figure 1 Postanastamotic hemorrhage after Bilroth 2 gastrojejunostomy treated with embolization. Endoscopic treatment failed twice prior to arteriography. (A) Superior mesenteric artery (SMA) arteriogram showing hemorrhage from first jejunal artery, immediately adjacent to endoscopically placed clip (arrow). (B) Initial subselective arteriogram of first jejunal artery showing absence of extravasation. (C) Subsequent subselective arteriogram of first jejunal artery, showing active extravasation. (D) SMA arteriogram after embolization with three 2 × 3.3-mm microcoils showing no further hemorrhage. Canadian Association of Radiologists Journal 2013 64, 90-100DOI: (10.1016/j.carj.2012.08.001) Copyright © 2013 Canadian Association of Radiologists Terms and Conditions

Figure 2 Right colonic diverticular hemorrage with positive 99mTc-red blood cell (RBC) scan, confirmed on arteriography and subsequently embolized. (A) Multiple frames from 99mTc-RBC scan showing abnormal activity in right lower quadrant (arrows), which progressively increases over time and has appearance of the cecum in the later frames. (B) Superior mesenteric artery (SMA) arteriogram showing active extravasation in the right lower quadrant (arrow) with a shape suggestive of a diverticulum. (C) SMA arteriogram after selective embolization with two 2 × 20-mm microcoils (arrow) shows no further extravasation. Canadian Association of Radiologists Journal 2013 64, 90-100DOI: (10.1016/j.carj.2012.08.001) Copyright © 2013 Canadian Association of Radiologists Terms and Conditions

Figure 3 Spontaneous cessation of bleeding after computed tomography (CT) angiography positive for diverticular hemorrhage. The patient improved clinically and has had no evidence of recurrent hemorrhage at 6-month follow up. (A) Axial image from arterial phase CT showing active jet-like arterial enhancement (arrow) in ascending colon at site of diverticulum. (B) Axial image from venous phase of CT shows progressive increasing intraluminal enhancement (arrow). (C) Superior mesenteric artery arteriogram showing lack of active extravsation. (D) Subselective right colic arteriogram confirming lack of extravasation. Canadian Association of Radiologists Journal 2013 64, 90-100DOI: (10.1016/j.carj.2012.08.001) Copyright © 2013 Canadian Association of Radiologists Terms and Conditions

Figure 4 Diverticular hemorrage from transverse post-right hemicolectomy, diagnosed with computed tomography (CT) and treated by embolization. (A) Axial unenhanced CT image shows dense material in distal small bowel (arrow), proximal to ileocolic anastamosis. (B) Coronal arterial phase CT showing active extravasation into colonic diverticulum (solid arrow). Note the surgical staple line (dashed arrow). The CT findings suggest a middle colic branch as the source of bleeding. (C)Superselective distal middle colic arteriogram via a microcatheter (arrow), confirming active extravasation. Rapid selection of bleeding artery was facilitated by prior CT angiography. This vessel was then embolized (images not shown). Canadian Association of Radiologists Journal 2013 64, 90-100DOI: (10.1016/j.carj.2012.08.001) Copyright © 2013 Canadian Association of Radiologists Terms and Conditions

Figure 5 Acute intra-abdominal and upper gastrointestinal bleed from gastroduodenal artery (GDA) stump blowout after Whipple's procedure. The patient presented with hematemesis and bloody discharge from the Jackson-Pratt (JP) drain. (A) Celiac arteriogram showing active extravasation from GDA stump (long arrow). Note the right upper quadrant drainage catheter (short arrow) and the JP drain (dashed arrow). (B) Celiac arteriogram after placement of a 7-mm-diameter stent graft (arrow) shows cessation of hemorrhage. Canadian Association of Radiologists Journal 2013 64, 90-100DOI: (10.1016/j.carj.2012.08.001) Copyright © 2013 Canadian Association of Radiologists Terms and Conditions

Figure 6 Transjugular portosystemic shunt (TIPSS) insertion for refractory variceal hemorrhage after 2 attempts at endoscopic hemostasis. (A) Axial venous phase computed tomography shows large volume ascites (white arrow) and large varices at the gastroesophageal junction (black arrow). (B) Direct portography via a percutaneous catheter (arrow) inserted via the left portal vein. This catheter allows for portography, direct portal pressure measurement and acts as a target for the transhepatic puncture needle. (C) A transhepatic catheter has been advanced from the right hepatic vein into the upper superior mesenteric vein (SMV). Note the filling defect (arrow) indicating thrombus in the proximal SMV. (D) After TIPSS insertion, venography shows preferential filling of the TIPSS and appropriate decreased filling of the peripheral portal veins. Note the different appearance of the uncovered portion of the stent in the portal vein (black arrow) and the covered portion of the stent in the hepatic parenchymal tract (white arrow). Canadian Association of Radiologists Journal 2013 64, 90-100DOI: (10.1016/j.carj.2012.08.001) Copyright © 2013 Canadian Association of Radiologists Terms and Conditions