Background: Few studies have examined the long-term outcomes of recipients in minimally invasive donor hepatectomies, particularly comparing robotic and laparoscopic donor procedures. Understanding these outcomes is crucial for optimizing surgical approaches and improving the overall success of living donor liver transplantation. This study aimed to compare the feasibility and safety of robotic donor right hepatectomy (RDRH) and laparoscopic donor right hepatectomy (LDRH) by evaluating total follow-up patient outcomes.
Methods: This retrospective, single-center study included 117 and 118 donors who underwent RDRH and LDRH between March 2016 and June 2023, respectively. After performing 1:1 propensity score matching, 71 donor-recipient pairs were included in each group. Donor and recipient complications were divided into early (within 90 d) and late (after 90 d) biliary and vascular complications.
Results: In the matched cohort, major complication rates of donors were similar in both groups. Bile duct (BD) variation was not significantly different; however, the rates of multiple BD openings (26.8% versus 54.9%; P = 0.001) and major biliary complications in recipients were higher in the LDRH group (22.5% versus 42.3%; P = 0.012). The cumulative biliary complication rate was significantly higher in the LDRH group. Early biliary complications were not significantly different; however, the rate of late biliary complications was higher in the LDRH group (11.3 versus 23.9%; P = 0.047).
Conclusions: RDRH demonstrated comparable postoperative complications to LDRH in donors but showed fewer recipient biliary complications. This could be attributed to the precision of robotic dissection and BD division, resulting in fewer multiple BD openings.
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