AI Article Synopsis
- The study examined factors affecting the difficulty of laparoscopic liver resection (LLR), specifically the distance between the tumor and blood vessels.
- Out of 118 patients studied, 10 (8.5%) required conversion to open surgery, with findings showing that lower platelet counts and closer tumor-vessel proximity (within 10 mm) were significant risk factors.
- The results identified 10 mm as a critical cutoff distance for predicting conversion, making it an important consideration for improving surgical outcomes in LLR.
Article Abstract
Background: Although various difficulty scoring systems have been proposed for laparoscopic liver resection (LLR), details remain uncertain regarding distance between the tumor and vessels as a factor of difficulty. We aimed to examine the risk factors for conversion to open hepatectomy in LLR, including distance between tumor and vessels.
Methods: Between January 2012 and December 2022, 118 patients who underwent LLR were retrospectively enrolled and their perioperative characteristics were evaluated.
Results: A total of 10 cases (8.5%) were converted to open hepatectomy during LLR. The conversion group had lower platelet count, shorter distance between the tumor and a medium vessel (defined as diameter of 5-10 mm), and greater tumor depth compared with the pure LLR group. Receiver-operating characteristic curve analysis identified 10 mm as the optimal cutoff value of tumor proximity to a medium vessel (sensitivity, 80.0%, specificity, 78.7%, AUC 0.817) for predicting conversion. In multivariate analysis, lower platelet count (p = .028) and tumor proximity within 10 mm to a medium vessel (p = .001) were independent risk factors for conversion in LLR.
Conclusions: Our study suggests tumor proximity within 10 mm to a medium vessel and lower platelet count as predictors of unfavorable intraoperative conversion in LLR.
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| http://dx.doi.org/10.1002/jhbp.12001 | DOI Listing |
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