Laparoscopic liver resections(LLR)of posterosuperior segments(PS)(7,8,and 4a)are technically challenging.Adequate surgical exposure during parenchymal transection and bleeding control from the deep liver cut surface c...Laparoscopic liver resections(LLR)of posterosuperior segments(PS)(7,8,and 4a)are technically challenging.Adequate surgical exposure during parenchymal transection and bleeding control from the deep liver cut surface can be difficult to achieve.Both the IWATE(1)and IMM(2)LLR scoring systems classify PS segment resections as either advanced/expert level(IWATE)or group 3(IMM),reflecting a high level of technical difficulty.Studies comparing laparoscopy to open surgery for this indication are mainly retrospective and the level of evidence supporting the superiority of laparoscopy remains low.The PS segment subgroup analysis of the OSLO-COMET randomized trial concluded that laparoscopy yielded a shorter hospital stay with no significant differences between open and LLR groups in complications and mortality rates(3).展开更多
文摘Laparoscopic liver resections(LLR)of posterosuperior segments(PS)(7,8,and 4a)are technically challenging.Adequate surgical exposure during parenchymal transection and bleeding control from the deep liver cut surface can be difficult to achieve.Both the IWATE(1)and IMM(2)LLR scoring systems classify PS segment resections as either advanced/expert level(IWATE)or group 3(IMM),reflecting a high level of technical difficulty.Studies comparing laparoscopy to open surgery for this indication are mainly retrospective and the level of evidence supporting the superiority of laparoscopy remains low.The PS segment subgroup analysis of the OSLO-COMET randomized trial concluded that laparoscopy yielded a shorter hospital stay with no significant differences between open and LLR groups in complications and mortality rates(3).
