Article Abstract

Surgical outcomes of two-stage hepatectomy for colorectal liver metastasis: comparison to a benchmark procedure

Authors: Eyal Mor, Abbas Al-Kurd, Almog Ben Yaacov, Dan Aderka, Aviram Nissan, Arie Ariche

Abstract

Bakground: Two-stage hepatectomy (TSH) with portal vein embolization (PVE) is associated with high morbidity and mortality and may result in liver failure due to insufficient future liver remnant. The objectives of this investigation were to evaluate the short-term outcomes of patients with colorectal cancer liver metastasis who underwent TSH with PVE, and to critically review the selection criteria for TSH-PVE.
Methods: A retrospective review of all patients who were operated due to bi-lobar CRLM during the years 2007–2017 was performed. Patients who underwent TSH-PVE were compared to those who underwent right hepatectomy (RH) only.
Results: Twenty-nine patient underwent TSH, 25 of whom (86.2%) completed both stages. These patients demonstrated a major complication rate of 17%, and a 90-day mortality rate of 3.4%. Most complications (80%) were related to the colonic resection, and one patient developed liver failure. Patients who suffered complications had a trend towards more baseline comorbidities and more liver lesions. Ablative techniques were utilized in 76%. When compared to 35 patients who underwent sole RH, no significant difference was demonstrated in major complication rate (20%) or mortality (0%).
Conclusions: TSH is a relatively safe procedure in selected patients. Ablative techniques can reduce the occurrence of liver insufficiency and should be used liberally when possible. Factors such as number of lesions, comorbidities and the timing of colonic resection should be considered and evaluated in order to improve the outcomes of the procedure.

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