作者:朱晓峰 何晓顺 马 毅 王东平 钱世 鞠卫强 巫林伟 张相良
【摘要】 目的 探讨上腹部多器官移植中器官簇的切取、修整、血管整形方法及移植效果。方法 供体器官簇获取采用腹部多器官联合切取,腹主动脉、肠系膜上静脉、胆管及十二指肠同时灌注降温。器官簇肠系膜上动脉和腹腔干分别与供体髂内、外动脉吻合,通过髂总动脉与受体腹主动脉吻合。受体为胰腺囊腺癌并肝内转移患者,行上腹部肝、胆、胰、脾、十二指肠、全胃、空肠上段及大小网膜切除,接受肝、胰、十二指肠器官簇移植。结果 移植后器官簇存活及功能良好,肝、胰功能均在术后4天恢复正常,患者现已完全康复,未出现明确并发症。结论 获取质量良好的上腹部器官簇及合理血管整形,是保证移植效果的前提;上腹部器官簇移植是治疗上腹局部晚期肿瘤的有效方法。
【关键词】 器官簇移植 供体切取及修整 上腹部
Successful of transplantation of epigastric multiorgan cluster in 1 case:procurement and trim of donor
【Abstract】 Objective To study the methods of procurement,trim and arterioplasty of donor epigastric multivisceral cluster,and the effect of the cluster transplantation.Methods The donor multivisceral cluster was procured simultaneously with the kidneys.The donor aorta,superior mesentery vein,biliary and duodenum were perfused with cool UW solution at the same time.The donor’s superior mensentery artery and coeliac artery were respectively anastomosed to donor’s interior and exterior artery leading to common iliac artery which was anastomosed to the recipient’s aorta.The recipient suffered from cystic pancreatic cancer with multiple metastasis within liver.The recipient’s abdominal organs including liver,gallbladder,pancreas,spleen,duodenum,stomach,proximal jejunum and omentus were totally removed.The organ cluster including liver,pancreas and duodenum was transplanted.Results Liver and pancreas graft function returned to normality 4 days after transplantation.The reciprient recovered completely.Conclusion The procurement of good quality of donor organ cluster and suitable arterioplasty are the precondition of excellent effect of transplantation,the transplantation of epigastric multiorgan cluster would be effective therapy of local metastasis of epigastric cancer.
【Key words】 transplantation of epigastric multiorgan cluster procurement and trim of donor epigastrium
1989年Starzl[1]和Williams[2]分别报道了腹部多器官联合移植,以后该术式在欧美发达国家取得了相当成功的经验,为腹腔一些侵犯多个脏器的终末期疾病提供了一条根治的新途径。2004年5月28日,我科为1例胰腺囊腺癌并肝转移患者施行了肝、胆、胰、脾、全胃、十二指肠、部分空肠及大小网膜整块切除,肝、胰、十二指肠整块器官簇移植。患者术后恢复良好,肝、胰功能完全正常,未出现任何并发症,现已完全康复。本文重点介绍供体多器官簇的切取、保存及修整。
1 临床资料
1.1 一般资料 患者,女,28岁,因反复上腹部疼痛2个月余入院,既往有乙肝病史8年。入院时体检未发现有明显阳性体征,辅助检查结果中三大常规、肝、肾、胰岛功能均正常,CT示胰体尾部占位,考虑为胰腺囊腺癌,病灶部分包裹腹腔干及脾动脉,并肝内多发转移,MRI证实为胰体尾部囊实性肿块,拟囊腺癌可能性大,并多发肝内转移,但腹主动脉、腹腔干、肠系膜上动脉未见异常。胃肠道肿瘤标记物:CA19-9升高(1462.60u/ml,正常<35u/ml),CEA轻度升高,AFP、CA125正常,经反复讨论诊断为“胰腺癌伴肝内多发转移”(术后病理证实为胰腺中等分化腺癌,肝内多发转移,癌浸润至十二指肠壶腹部)。
1.2 供体器官簇的切取 采用无心跳供体器官簇,供体与受体均为O型血,HLA配型8个位点中4个相同,1个位点相容。供体器官簇切取采取腹部多器官联合切取技术。腹部大十字切口,开腹后先从腹主动脉下段插入双腔气囊导尿管(事先已结扎气囊前端并于气囊后段剪侧孔),插至腹腔动脉上方充满气体阻断胸主动脉,采用4℃ HCA液灌注;然后从肠系膜上静脉插管,采用4℃ HCA液灌注,总量为3000ml。上述2管开始灌注后迅速从下腔静脉插管放血,并剪开胸腔阻断肝上下腔静脉。迅速行胆囊造瘘,并灌注冷HCA液冲洗胆管。分别结扎胃窦部及空肠上段,并置管用冷甲硝唑冲洗。HCA液快速灌注排去肝、胰、肾、十二指肠内血液并迅速降温后改为4℃ UW液灌注,共3000ml。灌注过程中用消毒碎冰块置于上述脏器表面加速降温。灌注UW液后迅速将肝、脾、十二指肠、空肠上段、双肾整块切取,并取双侧髂血管备用。4层无菌肠袋包裹,置4℃冰壶保存,送手术室备修整。
1.3 供肝器官簇的修整 供体器官簇修整在4℃ UW液冰浴中进行。首先将双肾分离,然后从肠系膜上静脉插管灌注4℃ UW液,分别游离、去除肠系膜上静脉及肝上、肝下腔静脉周围多余的组织,分别用无损伤钳阻断肝上、肝下腔静脉以检查有无渗漏,灌注压力不宜过高,以免导致胰腺水肿,分离双肾肾动脉时发现肾动脉与肠系膜上动脉起始部紧邻,且肠系膜上动脉与腹腔动脉干开口距离较远,因而不适宜采用腹主动脉瓣进行吻合。遂决定取一侧髂动脉以及髂内外分支分别与供体肠系膜上动脉及腹腔动脉吻合,以便髂总动脉与腹主动脉吻合。从髂总动脉注入冰冻肝素盐水,仔细检查、结扎漏液处。脾脏不切除,待植入受体开放血流后再切除。用UW液冲洗胆管,甲硝唑再冲洗肠腔。修整植入后的器官簇(见图1)。

注:SMA:肠系膜上动脉;DUE:十二指肠;CBD:肝总管;SMV:肠系膜下静脉;PAN:胰;TC:腹腔干;PV:门静脉;AA:腹主动脉;VC:下腔静脉;CIA:髂总动脉
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