| 2 | Short-and long-term outcomes after hemihepatectomy for perihilar cholangiocarcinoma:does left or right side matter?显示文摘Background:The only potentially curative option for patients with perihilar cholangiocarcinoma(PHC)is resection,typically an extrahepatic bile duct resection in combination with(extended)liver resection.Complications such as bile leakage and liver failure have been suggested to be more common after right-sided resections compared to left-sided resections,whilst superior oncological outcomes have been reported after right-sided resections.However,data on outcomes after right-sided or left-sided liver resections in PHC are scarce.Therefore,we aimed to investigate short-and long-term outcomes after left and right hemihepatectomy in patients with PHC.Methods:In this retrospective study,patients undergoing major liver resection for suspected PHC in a tertiary center between 2000-2018 were included.Patients who had undergone left-sided resections were compared to patients with right-sided resections in terms of complications(90-day mortality,overall and severe morbidity and specific complications).For long-term outcomes,only patients with pathologically proven PHC were included in the survival analysis.Results:A total of 178 patients undergoing hemihepatectomy for suspected PHC were analysed,including 76 left-sided and 102 right-sided resections.Overall 90-day mortality was 14%(24 out of 178),with no significant difference after left-sided resection(11%;8 out of 76)versus right-sided resection(16%;16 out of 102)(P=0.319).Severe morbidity(Clavein Dindo≥3)was also comparable in both groups:54%versus 61%(P=0.361).No differences in specific complications including bile leakage were observed,although liver failure appeared to occur more frequently after right hemihepatectomy(22%versus 11%,P=0.052).Five-year overall survival for pathologically proven PHC,excluding in-hospital mortality,did not differ;43.7%after left-sided resection vs.and 38.2%after right-sided resection(P=0.553).Conclusions:Both short-and long-term outcomes between patients undergoing left and right hemihepatectomy for PHC were comparable.Post-hepatectomy liver failure was more common after right-sided resection. | Lotte C.Franken Pim B.Olthof Joris I.Erdmann Otto M.van Delden Joanne Verheij Marc G.Besselink Olivier R.Busch Thomas M.van Gulik | 2021 | Hepatobiliary Surgery and Nutrition2021，10，2： | 0 |
| 3 | Functional assessment of liver regeneration after major hepatectomy显示文摘Background: Liver regeneration is crucial to restore the functional liver mass after liver resection. The aim of this study was to evaluate the early postoperative changes in remnant liver function, volume and liver stiffness after major liver resection and their correlation with postoperative outcomes. Methods: Patients undergoing major liver resection (≥3 segments) between February and November 2018 underwent both functional assessment using technetium-99m mebrofenin hepatobiliary scintigraphy (HBS) and CT-volumetry of the (future) remnant liver on preoperative day 1, the 5th postoperative day, and 4-6 weeks after resection. At the same time points, patients underwent transient elastography (TE) for the assessment of liver stiffness. Severe postoperative complications (Clavien-Dindo ≥ 3A) and mortality were correlated with the functional and volumetric increases of the remnant liver. Liver failure was graded according to the International Study Group of Liver Surgery (ISGLS) criteria. Results: A total of 18 patients were included of whom 10 (56%) had severe complications and one patient (5%) developed liver failure. Function and volume of the remnant liver had increased by the 5th postoperative day from 6.9 (5.4-10.9) to 9.6 (6.7-13.8) %/min/m2, P=0.004 and from 795.5 (538.3-1,037.5) to 1,080.0 (854.0-1,283.3) mL, P<0.001, respectively. After 4-6 weeks, remnant liver volume had further increased [from 1,080.0 (854.0-1,283.3) to 1,222.0 (1,016.0-1,380.5) mL, P=0.035], however, liver function did not show any significant, further increase [from 9.6 (6.7-13.8) to 10.9 (8.8-13.6) %/min/m2, P=0.177]. Liver elasticity of the future remnant liver (FRL) increased [from 10.8 (5.7-18.7) to 17.5 (12.4-22.6) kPa, P=0.018] and gradually recovered after 4-6 weeks to a median of 10.9 (5.7-18.8) kPa (T3 vs. T4, P=0.079). Patients who had severe postoperative complications did not show a significant increase in liver function on the 5th postoperative day (P=0.203), despite increase of volume (P<0.01). Conclusions: Functional regeneration of the remnant liver predominantly occurs during the first 5 days after resection. In case of severe complications, functional regeneration is delayed, in contrast to volume increase. | Fadi Rassam Pim B.Olthof Bart Takkenberg Marc G.Besselink Olivier R.Busch Joris I.Erdmann Rutger-Jan Swijnenburg Krijn Pvan Lienden Ulrich H.Beuers Roelof J.Bennink Thomas Mvan Gulik | 2022 | Hepatobiliary Surgery and Nutrition2022，11，4： | 0 |
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