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Associating Liver Partition and Portal Vein Ligation for Staged Hepatectomy A Better Approach to Treat Patients With Extensive Liver Disease

Eduardo de Santibañes, MD, PhD1; Victoria Ardiles, MD1; Fernando A. Alvarez, MD1
[+] Author Affiliations
1General Surgery Service, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
JAMA Surg. 2015;150(10):929-930. doi:10.1001/jamasurg.2015.1643.
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This Viewpoint discusses the benefits of the associating liver partition and portal vein ligation for staged hepatectomy approach for treating liver tumors.

Liver resection is the treatment of choice and a hope for cure for patients with malignant liver tumors. Resection is many times limited by the amount of future liver remnant, with liver failure being the most severe complication after major resections. To minimize this risk and expand resectability, portal vein occlusion of the tumor-bearing lobe is used to redistribute portal flow and induce hypertrophy of contralateral healthy parenchyma. Right portal vein embolization (PVE) is best used before surgery when the future liver remnant is tumor free, while portal vein ligation (PVL) is usually applied as part of 2-stage procedures for patients with bilobar disease who initially require tumor removal in the liver remnant. Around 20% to 40% hypertrophy can be achieved in 8 to 12 weeks with these strategies. However, up to 40% of patients never arrive to tumor resection either because of disease progression or insufficient hypertrophy during these long interval periods.

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