Purposes: This retrospective analysis compared the cost outcomes for both patients and hospitals, as well as the short-term outcomes, for laparoscopic hepatectomy (LH) and open hepatectomy (OH). Methods: The subjects comprised 70 patients who underwent LH or OH. The total hospital charge was calculated using the Japanese lump-sum payment system according to the diagnosis procedure combination. Results: Of the 70 patients, 10 in the LH group and 16 in the OH group underwent primary single limited/anatomic resection or left lateral sectoriectomy. The operation time, blood loss, and postoperative complications did not differ significantly between the two groups. The median [range] time of inflow occlusion was significantly longer [120 (50- 194) vs. 57 (17-151) min, P = 0.03] and the postoperative hospital stay was significantly shorter [5 (4-6) vs. 9 (5-12) days, P < 0.01] in the LH group than in the OH group, respectively. The mean ± standard deviation surgical costs (1307 ± 596 vs. 1054 ± 365 US$, P = 0.43) and total hospital charges (12046 ± 1174 vs. 11858 ± 2096 US$, P > 0.99) were similar in the LH and OH groups, respectively, although the charges per day were significantly higher in the LH group than in the OH group (1388 ± 217 vs. 1016 ± 134 US$, P < 0.01). Conclusions: The costs to patients for LH are similar to those for OH. However, LH provides a financial advantage to hospitals due to a reduced hospital stay and comparable surgical costs.
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