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  • Title: Portal triad clamping (TC) or hepatic vascular exclusion (VE) for major liver resection after prolonged neoadjuvant chemotherapy? A case-matched study in 60 patients.
    Author: Benoist S, Salabert AS, Penna C, Karoui M, Julié C, Rougier P, Nordlinger B.
    Journal: Surgery; 2006 Sep; 140(3):396-403. PubMed ID: 16934601.
    Abstract:
    BACKGROUND: Prolonged systemic preoperative chemotherapy induces pathologic changes in liver parenchyma. The consequences of vascular occlusion on liver submitted to prolonged preoperative systemic chemotherapy are not known. The aim of this case-matched study was to assess which method of vascular occlusion is most appropriate for major liver resection in patients who have undergone prolonged preoperative systemic chemotherapy. METHODS: Among 305 patients who had liver resection for colorectal metastases from 1998 to 2003, 28 underwent major liver resections under portal triad clamping after more than 6 cycles of preoperative chemotherapy (TC group). These 28 patients were compared with 32 patients matched for age, sex, ASA status, number of liver metastases, type of liver resection, and type of preoperative chemotherapy, but who had major liver resection under hepatic vascular exclusion after more than 6 cycles of preoperative chemotherapy (VE group). RESULTS: There was no postoperative mortality. The morbidity rate was 18% after TC and 43% after VE (P = 0.044). Pulmonary complication rate was greater after VE (31% vs 3%, P = 0.017). The transfusion rate was 50% in the TC group and 40% in the VE group (P = 0.482). Postoperative changes of liver function tests were comparable in the two groups except for the prothrombin time, which was more prolonged from day 1 (P = 0.003) to day 5 (P = 0.04) after VE. CONCLUSION: Vascular occlusion can be used with no mortality and acceptable morbidity for major liver resection after prolonged preoperative chemotherapy. TC should be preferred to VE, permitted by the location of the neoplasm.
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