Portal vein thrombosis is a common complica- tion in cirrhotic patients. When portal vein thrombectomy is not a suitable option, a large collateral vessel can be used for allograft venous inflow reconstruction. We des...Portal vein thrombosis is a common complica- tion in cirrhotic patients. When portal vein thrombectomy is not a suitable option, a large collateral vessel can be used for allograft venous inflow reconstruction. We describe an unusu- al case of successful portal revascularization using the right gastroepiploic vein. The patient underwent a cadaveric or- thotropic liver transplantation with end-to-end anastomosis of the portal vein to the right gastroepiploic vein. Six months after liver transplantation the patient is well with good liver function. The use of the right gastroepiploic vein for allograft venous reconstruction is feasible and safe, with a great advan- tage of avoiding the need of venous jump graft.展开更多
目的评估瞬时流量测定(transit time flow meter,TTFM)技术在冠状动脉旁路移植术(CABG)中探查移植血管血流通畅状态的应用价值,并分析其测定结果的相关因素。方法对我科2002年3月至2004年1月连续行CABG 301例患者的791支血管移植物进行T...目的评估瞬时流量测定(transit time flow meter,TTFM)技术在冠状动脉旁路移植术(CABG)中探查移植血管血流通畅状态的应用价值,并分析其测定结果的相关因素。方法对我科2002年3月至2004年1月连续行CABG 301例患者的791支血管移植物进行TTFM测定,按照入选标准从中筛选出左乳内动脉(LIMA)旁路移植到左前降支(LAD)的165例患者的TTFM结果,进行血流量和搏动指数(pulsatility index,PI)的多因素分析。结果TTFM技术提示,791支移植物中有严重质量问题的移植血管5支,均手术证实并加以改正。可能影响移植物血流量的主要因素为LAD远端直径、LIMA直径、心肌梗死位置、LAD近端狭窄程度、反流量百分比(percentage of insufficiency)、左心室舒张期末内径、手术方式(体外循环和非体外循环);影响PI值的主要因素为LAD远端直径、反流量百分比和手术方式。结论TTFM在判断CABG移植物状态时具有一定的诊断价值。多种因素均可影响移植物的血流量和PI值,应考虑主要影响因素以及临床表现来提高TTFM诊断技术错误的敏感性。展开更多
文摘Portal vein thrombosis is a common complica- tion in cirrhotic patients. When portal vein thrombectomy is not a suitable option, a large collateral vessel can be used for allograft venous inflow reconstruction. We describe an unusu- al case of successful portal revascularization using the right gastroepiploic vein. The patient underwent a cadaveric or- thotropic liver transplantation with end-to-end anastomosis of the portal vein to the right gastroepiploic vein. Six months after liver transplantation the patient is well with good liver function. The use of the right gastroepiploic vein for allograft venous reconstruction is feasible and safe, with a great advan- tage of avoiding the need of venous jump graft.
文摘目的评估瞬时流量测定(transit time flow meter,TTFM)技术在冠状动脉旁路移植术(CABG)中探查移植血管血流通畅状态的应用价值,并分析其测定结果的相关因素。方法对我科2002年3月至2004年1月连续行CABG 301例患者的791支血管移植物进行TTFM测定,按照入选标准从中筛选出左乳内动脉(LIMA)旁路移植到左前降支(LAD)的165例患者的TTFM结果,进行血流量和搏动指数(pulsatility index,PI)的多因素分析。结果TTFM技术提示,791支移植物中有严重质量问题的移植血管5支,均手术证实并加以改正。可能影响移植物血流量的主要因素为LAD远端直径、LIMA直径、心肌梗死位置、LAD近端狭窄程度、反流量百分比(percentage of insufficiency)、左心室舒张期末内径、手术方式(体外循环和非体外循环);影响PI值的主要因素为LAD远端直径、反流量百分比和手术方式。结论TTFM在判断CABG移植物状态时具有一定的诊断价值。多种因素均可影响移植物的血流量和PI值,应考虑主要影响因素以及临床表现来提高TTFM诊断技术错误的敏感性。
