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Inoue M, Tanaka T, Nakagawa H, et al. Splenic Vein Embolization Using Coil Anchors and Prophylactic Occlusion of a Hepatofugal Collateral for Hepatic Encephalopathy due to Splenorenal Shunt: Technical Note and Literature Review. Case Rep Radiol. 2013;2013:160653doi: 10.1155/2013/160653.
Inoue, M., Tanaka, T., Nakagawa, H., Yoshioka, T., & Kichikawa, K. (2013). Splenic Vein Embolization Using Coil Anchors and Prophylactic Occlusion of a Hepatofugal Collateral for Hepatic Encephalopathy due to Splenorenal Shunt: Technical Note and Literature Review. Case reports in radiology, 2013160653. https://doi.org/10.1155/2013/160653
Inoue, Masayoshi, et al. "Splenic Vein Embolization Using Coil Anchors and Prophylactic Occlusion of a Hepatofugal Collateral for Hepatic Encephalopathy due to Splenorenal Shunt: Technical Note and Literature Review." Case reports in radiology vol. 2013 (2013): 160653. doi: https://doi.org/10.1155/2013/160653
Inoue M, Tanaka T, Nakagawa H, Yoshioka T, Kichikawa K. Splenic Vein Embolization Using Coil Anchors and Prophylactic Occlusion of a Hepatofugal Collateral for Hepatic Encephalopathy due to Splenorenal Shunt: Technical Note and Literature Review. Case Rep Radiol. 2013;2013:160653. doi: 10.1155/2013/160653. Epub 2013 Mar 27. PMID: 23607030; PMCID: PMC3623118.
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Case Rep Radiol. 2013;2013:160653. doi: 10.1155/2013/160653. Epub 2013 Mar 27.

Splenic Vein Embolization Using Coil Anchors and Prophylactic Occlusion of a Hepatofugal Collateral for Hepatic Encephalopathy due to Splenorenal Shunt: Technical Note and Literature Review.

Case reports in radiology

Masayoshi Inoue, Toshihiro Tanaka, Hiroyuki Nakagawa, Tetsuya Yoshioka, Kimihiko Kichikawa

Affiliations

  1. Department of Radiology, Nara Prefectural Nara Hospital, 1-38-1 Hiramatu, Nara 631-0846, Japan.

PMID: 23607030 PMCID: PMC3623118 DOI: 10.1155/2013/160653

Abstract

Purpose. Interventional treatment strategies for patients with encephalopathy due to splenorenal shunt remain controversial. Portosplenic blood flow separation by occluding the splenic vein could avoid the complication of severe portal hypertension, but it would require repeated reintervention due to recurrence of symptoms. This paper describes occlusion of the splenic vein using coil anchors and prophylactic embolization of a collateral hepatofugal vessel with no recurrence of hyperammonemia. Materials and Methods. A 51-year-old woman with severe cirrhosis had hepatic encephalopathy due to a large splenorenal shunt. The serum ammonia level was 132  μ g/dL. Via a transileocolic approach, the splenic vein was completely embolized with 0.035-inch metallic coils using coil anchors while preserving the splenorenal shunt. In addition, one of the collateral vessels of the portal vein, the retrogastric vein, was also embolized prophylactically. Results. After this procedure, the serum ammonia level decreased immediately to 24  μ g/dL. The portal venous pressure increased by only 1.5 mmHg. Hepatic encephalopathy had not been observed for 25 months after the procedure, and neither retention of ascites nor worsening of esophageal varices and liver function was observed. Conclusion. This procedure appears to be safe and effective for hepatic encephalopathy caused by a splenorenal shunt.

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