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Multicenter Randomised Controlled Trial of Single versus Double Venous Outflow Reconstruction in Right lobe Living Donor Liver Transplantation- Venous Outflow in Liver Transplantation (VOLT) Trial.
Annals of Surgery ( IF 7.5 ) Pub Date : 2024-12-11 , DOI: 10.1097/sla.0000000000006601 Mettu Srinivas Reddy,Akshadhar J Koneti,Abhideep Chaudhary,Ashwin Rammohan,Raghavendra Babu Yelakanti,Shweta Mallick,Rajanikanth Patcha,Vipin Pal Singh,Satish Kumar Krishnan,Niteen Kumar,Prasanna V Gopal,Mohamed Rela,Surendran Sudhindran
Annals of Surgery ( IF 7.5 ) Pub Date : 2024-12-11 , DOI: 10.1097/sla.0000000000006601 Mettu Srinivas Reddy,Akshadhar J Koneti,Abhideep Chaudhary,Ashwin Rammohan,Raghavendra Babu Yelakanti,Shweta Mallick,Rajanikanth Patcha,Vipin Pal Singh,Satish Kumar Krishnan,Niteen Kumar,Prasanna V Gopal,Mohamed Rela,Surendran Sudhindran
OBJECTIVE
To compare early patency and outcomes of single outflow (SOT) and double outflow (DOT) reconstruction in right lobe living donor liver transplantation (RtLDLT) in a multicenter open-labelled randomized controlled trial.
SUMMARY BACKGROUND DATA
Optimum graft venous outflow is a key factor in determining outcomes of RtLDLT. There is no data directly comparing SOT and DOT technique of graft outflow reconstruction.
METHODS
Adult patients undergoing RtLDLT needing anterior sector vein (ASV) reconstruction were enrolled. Prosthetic graft was used to create a neo-middle hepatic vein (neoMHV). Web-based permuted block randomization was used to allocate patients to SOT or DOT (1:1) prior to graft implantation. Primary endpoint was neoMHV patency upto 6 weeks. Secondary endpoints were post-operative morbidity and survival. Intention-to-treat and as-treated analyses are reported.
RESULTS
Five centers randomized 219 patients to SOT (n=110) or DOT (n=109). Both groups were similar in baseline characteristics. SOT had better neoMHV patency at 2 weeks (92.5% vs. 82.9%, P=0.032), 4 weeks (84% vs. 69%, P=0.011) but not at 6 weeks (69.5% vs. 59.2%,P=0.124). Cox- proportional hazards analysis revealed DOT (HR- 1.56 (95%ci=1.02,2.4); P=0.041) and use of Dacron graft (HR-2.83(95% ci=1.16,6.94), P=0.023) as independent risk factors for neoMHV thrombosis. SOT was associated with better in-hospital survival (97.3% vs. 90.8%; P=0.044) but similar one-year survival (89% vs. 85%, P=0.340). SOT was associated with improved survival in patients who developed early allograft dysfunction or needed re-operation.
CONCLUSIONS
SOT has better early neoMHV patency than DOT and may be associated with better early survival.
中文翻译:
右叶活体肝移植单静脉流出量与双静脉流出量重建的多中心随机对照试验 - 肝移植静脉流出量 (VOLT) 试验。
目的 在一项多中心、开放标签、随机对照试验中比较右叶活体肝移植 (RtLDLT) 中单流出 (SOT) 和双流出 (DOT) 重建的早期通畅和结果。摘要 背景数据 最佳移植物静脉流出是决定 RtLDLT 结果的关键因素。没有直接比较移植物流出重建的 SOT 和 DOT 技术的数据。方法 纳入接受 RtLDLT 需要前扇静脉 (ASV) 重建的成年患者。假体移植物用于创建新中肝静脉 (neoMHV)。在移植物植入前,使用基于 Web 的置换块随机化将患者分配到 SOT 或 DOT (1:1)。主要终点是长达 6 周的 neoMHV 通畅率。次要终点是术后发病率和生存率。报告了意向治疗和治疗原样分析。结果 5 个中心将 219 例患者随机分配到 SOT (n=110) 或 DOT (n=109) 组。两组的基线特征相似。SOT 在 2 周 (92.5% vs. 82.9%,P=0.032) 和 4 周 (84% vs. 69%,P=0.011) 时 neoMHV 通畅率更好,但在 6 周时 (69.5% vs. 59.2%,P=0.124) 则没有。Cox 比例风险分析显示 DOT (HR- 1.56 (95%ci=1.02,2.4);P=0.041) 和使用 Dacron 移植物 (HR-2.83 (95% CI =1.16,6.94),P = 0.023) 作为 neoMHV 血栓形成的独立危险因素。SOT 与更好的院内生存率相关 (97.3% vs. 90.8%;P=0.044),但一年生存率相似 (89% vs. 85%,P=0.340)。SOT 与发生早期同种异体移植物功能障碍或需要再次手术的患者的生存率提高相关。结论 SOT 比 DOT 具有更好的早期 neoMHV 通畅性,可能与更好的早期生存率相关。
更新日期:2024-12-11
中文翻译:
右叶活体肝移植单静脉流出量与双静脉流出量重建的多中心随机对照试验 - 肝移植静脉流出量 (VOLT) 试验。
目的 在一项多中心、开放标签、随机对照试验中比较右叶活体肝移植 (RtLDLT) 中单流出 (SOT) 和双流出 (DOT) 重建的早期通畅和结果。摘要 背景数据 最佳移植物静脉流出是决定 RtLDLT 结果的关键因素。没有直接比较移植物流出重建的 SOT 和 DOT 技术的数据。方法 纳入接受 RtLDLT 需要前扇静脉 (ASV) 重建的成年患者。假体移植物用于创建新中肝静脉 (neoMHV)。在移植物植入前,使用基于 Web 的置换块随机化将患者分配到 SOT 或 DOT (1:1)。主要终点是长达 6 周的 neoMHV 通畅率。次要终点是术后发病率和生存率。报告了意向治疗和治疗原样分析。结果 5 个中心将 219 例患者随机分配到 SOT (n=110) 或 DOT (n=109) 组。两组的基线特征相似。SOT 在 2 周 (92.5% vs. 82.9%,P=0.032) 和 4 周 (84% vs. 69%,P=0.011) 时 neoMHV 通畅率更好,但在 6 周时 (69.5% vs. 59.2%,P=0.124) 则没有。Cox 比例风险分析显示 DOT (HR- 1.56 (95%ci=1.02,2.4);P=0.041) 和使用 Dacron 移植物 (HR-2.83 (95% CI =1.16,6.94),P = 0.023) 作为 neoMHV 血栓形成的独立危险因素。SOT 与更好的院内生存率相关 (97.3% vs. 90.8%;P=0.044),但一年生存率相似 (89% vs. 85%,P=0.340)。SOT 与发生早期同种异体移植物功能障碍或需要再次手术的患者的生存率提高相关。结论 SOT 比 DOT 具有更好的早期 neoMHV 通畅性,可能与更好的早期生存率相关。