Abstract
Background
Right anterior sectionectomy is complex in comparison to other liver resections. Thus, the operation has not been widely performed via a laparoscopic approach. We herein present a purely laparoscopic method for right anterior sectionectomy using the standardized techniques.
Methods
Between May 2017 and December 2018, ten pure laparoscopic right anterior sectionectomies were performed for hepatic malignancy. To perform laparoscopic anatomical liver resection safely and securely, we developed an original surgical procedure based on the isolation of the targeted Glissonean pedicle at the hilum, with appropriate transection planes built sequentially according to anatomical landmarks. The extrahepatic right anterior Glissonean pedicle was isolated without parenchymal destruction by utilizing a unique view in the laparoscopic approach. The selective right anterior segment inflow was temporary occluded, consequently liver parenchymal transection consisted of four planes according to the demarcation line, middle hepatic vein (MHV), right anterior Glissonean pedicle, and right hepatic vein (RHV), which were used as anatomical landmarks. Transection was started between the demarcation line and ventral of the MHV (plane 1). Transection of the parenchyma was then performed from dorsal of the MHV to the right anterior Glissonean pedicle (plane 2). Parenchyma was then transected from dorsal of the RHV to the right anterior Glissonean pedicle (plane 3). We subsequently divide the right anterior Glissonean pedicle with a linear stapler. Finally, the resection plane was completed by performing parenchymal transection between the demarcation line and ventral of the RHV (plane 4).
Results
The mean operation time was 446 min with 334 ml of estimated blood loss. No cases required conversion to open surgery. Bile leakage occurred as a postoperative complication in one patient. There was no mortality.
Conclusion
Isolating the extrahepatic Glissonean pedicle at the hilum and transection along four planes determined according to anatomical landmarks made purely laparoscopic right anterior sectionectomy feasible.
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Drs. Takao Ide, Taketo Matsunaga, Tomokazu Tanaka and Hirokazu Noshiro have no conflict of interest or financial ties to disclose.
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Ide, T., Matsunaga, T., Tanaka, T. et al. Feasibility of purely laparoscopic right anterior sectionectomy. Surg Endosc 35, 192–199 (2021). https://doi.org/10.1007/s00464-020-07379-w
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DOI: https://doi.org/10.1007/s00464-020-07379-w