The X-ray vascular anatomy of hepatogastric arteries and their significance in transcatheter arterial chemoembolization in patients with hepatocellular carcinoma
- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF RADIOLOGY
- Issue:
- 12
- DOI:
- 10.3760/j.issn:1005-1201.2001.12.004
- Key Word:
- 肝动脉;侧支循环;解剖学,局部;血管造影术,数字减影;肝肿瘤;化疗栓塞,治疗性;评价研究
Abstract： 目的研究肝-胃动脉(hepatogastric artery,HGA)的DSA表现特征,探讨其在肝癌经导管动脉内化疗栓塞(transcatheter arterial chemoembolization,TACE)术中的意义.方法回顾分析1 000例肝动脉DSA造影片,将起源于肝固有动脉(proper hepatic artery,PHA)以远各级肝动脉的胃及十二指肠的供血动脉命名为HGA,并根据其走行方向及分布范围的不同,进一步将其分为胃右动脉(right gastric artery,RGA)、迷走胃左动脉(aberrant left gastric artery,AbLGA)、迷走胃十二指肠动脉(aberrant gastroduodenal artery,AbGDA)、迷走胃网膜右动脉(aberrant right gastroepiploic artery,AbRGEA)、十二指肠上动脉(superior duodenal artery,SDA)及其他不易明确命名的HGA等.分别统计其发生率,描述其起源、走行、分支、分布等解剖学特征.结果 1 000例中,740例存在1支以上的HGA,占74%,共显示839支HGA,其中RGA 682支(81.29%,682/839),AbLGA 84支(10.01%,84/839),SDA 45支(5.36%,45/839),AbGDA 21支(2.50%,21/839),AbRGEA 1支(0.12%,1/839),其他HGA 6支(0.72%,6/839).839支HGA中,起源于PHA 412支(49.11%,412/839),起源于肝左动脉(left hepatic artery,LHA)314支(37.43%,314/839),起源于肝右动脉(right hepatic artery,RHA)98支(11.68%,98/839),起源于肝中动脉(middle hepatic artery,MHA)15支(1.79%,15/839).结论 HGA是比较常见的肝-胃、十二指肠间的血管变异,研究HGA的解剖变异对预防肝癌TACE术后胃肠道并发症的发生具有重要的临床意义.
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