Application of hepatic image analysis system in assisting preoperative planning for liver surgery
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摘要:
目的运用肝脏影像分析解读系统(IQQA-Liver)对拟行肝切除术的病例进行手术规划、虚拟切除和风险评估,评价三维影像重建辅助肝脏手术规划的效果和可行性。方法回顾性分析2012年7月至2014年7月术前行三维影像辅助手术规划的患者32例。计算出全肝/残肝体积、重建肝内管道、模拟手术切除方案和范围,对比分析重建效果及手术方案可行性。结果 32例患者中,29例按术前规划完成手术,成功率90.63%。术后1例发生胆瘘,3例胸腔积液,3例出现腹水。所有患者安全出院,平均住院时间为(13±4)d。结论可视化三维影像重建肝脏解剖结构,直观地了解肿瘤的位置及其与周围血管、胆管的解剖关系,虚拟肝脏切除手术。有助于实施个体化手术,提高了手术的确定性。
Abstract:Objective To perform preoperative planning,virtual resection,and risk assessment for patients to be treated by hepatectomy using the liver hepatic image analysis system( IQQA- Liver) and to evaluate the effect and feasibility of three- dimensional( 3D) image reconstruction in assisting liver surgery planning. Methods A retrospective analysis was performed on 32 patients who underwent 3D imaging-assisted preoperative planning from July 2012 to July 2014. The full / residual liver volume was calculated; intrahepatic duct reconstruction was performed; the scheme and extent of surgical removal were simulated. The efficacy of reconstruction and the feasibility of surgical plan were evaluated. Results Surgery was completed according to the 3D imaging- assisted preoperative plan in 29( 90. 63%) of the 32 patients. After operation,biliary fistula occurred in 1 case,pleural effusion in 3 cases,and ascites in 3 cases. All patients were discharged safely with a mean hospital stay of 13 ± 4 d. Conclusion The 3D image reconstruction of the liver contributes to individualized operation and improves the certainty of surgery though intuitive understanding of the location of the tumor and its anatomic relationship with surrounding vessels and bile ducts or virtual liver surgery.
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Key words:
- hepatectomy /
- imaging,three-dimensional /
- clinical protocols
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