Fast-track two-stage hepatectomy by concurrent portal vein embolization at first-stage hepatectomy in hybrid interventional radiology / operating suite.

In two-stage hepatectomy for bilateral liver metastases, patient dropout between stages is a major issue. We recently proposed a novel approach of fast-track two-staged hepatectomy (FT-TSH), in which patients undergo concurrent first-stage hepatectomy (FSH) with portal vein embolization (PVE) in a hybrid interventional radiology surgical suite. However, its efficacy remains unclear. Patients with bilateral liver metastases scheduled for FT-TSH at MD Anderson Cancer Center between October 2017 and December 2020 were included on a prospective registry. The effectiveness and feasibility were evaluated. Nineteen patients were scheduled for FT-TSH. Primary site of tumor was colon/rectum in 18 patients and ovary in one patient. Median number of tumors was 10 and median size of largest tumor before surgery was 2.4 cm. Two (11%) patients did not undergo PVE and seventeen patients (89%) completed FSH + PVE. None of the patients had a major complication (Clavien-Dindo grade ≥ III) after FSH + PVE. Median kinetic growth rate after FSH + PVE was 2.9%/week (range 0.8-5.6). Twelve patients (71%) among the seventeen who underwent FSH + PVE proceeded to second-stage hepatectomy, and ten patients (59%) finally completed second-stage hepatectomy. Median interval between stages was 5.6 weeks (4.0-20.1). One patient (10%) had a major morbidity after SSH, and there was no 90-day mortality. FT-TSH is safe and allows for short intervals between hepatectomy stages while achieving favorable liver hypertrophy. Further investigation is needed to evaluate the true efficacy of FT-TSH.

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