Role for extending hepatic resection using an aggressive approach to liver surgery

Area of Science:

• Hepatobiliary Surgery
• Surgical Oncology
• Gastroenterology

Background:

• The definition of unresectable liver disease is debated, as advanced techniques enable resection of previously untreatable tumors.
• This study investigates the outcomes of liver resection in patients with initially unresectable liver tumors using an aggressive surgical approach.

Purpose of the Study:

• To evaluate the feasibility and outcomes of aggressive liver resection for patients with tumors considered unresectable by standard criteria.
• To assess the survival rates and complications associated with advanced liver resection techniques.

Main Methods:

• A review of 830 adult hepatectomy patients from 1997 to 2007.
• Patients were classified as unresectable if standard resection required removal of the inferior vena cava (IVC), hepatic vasculature, or due to extensive tumor burden.
• Advanced techniques included major hepatectomies, vascular reconstructions, and hypothermic liver perfusion.

Main Results:

• Of 116 patients initially deemed unresectable, 98 underwent successful resection.
• Procedures included extensive hepatectomies (trisectionectomies, lobectomies) and combined organ resections.
• Vascular reconstructions were frequent (IVC, portal vein, hepatic veins, hepatic artery).
• Mortality was 6%, morbidity 35%, with a median survival of 37 months and 5-year survival of 32%.

Conclusions:

• Liver tumors considered unresectable with standard techniques may be amenable to resection using an aggressive surgical strategy.
• An aggressive approach can achieve approximately one-third 5-year survival for carefully selected patients.
• These findings support considering advanced liver resection for selected patients with initially unresectable disease.