Abstract
Background and Aim
The clinical usefulness of portal vein embolization (PVE) for Klatskin tumor is not well established. The authors explored the change in liver volume and function before and after major hepatectomy and evaluated the effect of PVE.
Methods
Thirty-three consecutive patients who underwent right hepatectomy with an initial future liver remnant (FLR) ≤ 30 % for Klatskin tumors at Seoul National University Hospital were included.
Results
Eleven patients underwent PVE, and eight patients received right trisectionectomy. PVE induced a mean FLR increase of 19.3 % after a mean of 15.8 days. At postoperative month 1, liver volume and liver hypertrophy ratio was comparable between PVE and no-PVE group. For patients with an initial FLR ≤ 20 %, postoperative liver hypertrophy rate of PVE group was comparable to no-PVE group. Liver function tests were not affected by PVE or the initial FLR. Postoperative liver hypertrophy ratio was negatively correlated with the initial FLR (hypertrophy ratio (%) = 326.7–0.4×initial FLR (ml), P = 0.001). There was no severe PVE-related morbidity, and postoperative morbidity rate was comparable in PVE and no-PVE group.
Conclusion
The postoperative liver hypertrophy ratio, final liver volume, or liver function tests were not affected by PVE. Postoperative liver hypertrophy was related to the initial FLR.
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This study was supported by a grant from Seoul National University Hospital (No. 30-2011-0010).
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Kang, M.J., Jang, JY., Kwon, W. et al. Does Preoperative Portal Vein Embolization Have Any Impact on the Outcome of Right-Side Hepatectomy for Klatskin Tumor?. J Gastrointest Surg 17, 1592–1599 (2013). https://doi.org/10.1007/s11605-013-2247-9
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DOI: https://doi.org/10.1007/s11605-013-2247-9