摘要门静脉积气是指由各种原因所导致的肝内门静脉主干及其属支内气体积聚，多见于肠道高压和缺血性疾病所致的急腹症患者，CT是明确诊断的重要辅助检查。近年来，随着对门静脉积气发病机制认识的加深和放射影像技术的发展，门静脉积气已不再被认为是急腹症手术探查的指征。但其一旦发现，应当引起临床医师重视，并谨慎评估患者有无发生肠缺血、肠坏死可能，并依据患者的病因、生命体征和辅助检查的变化进行动态评估，以免治疗方案选择不当和延误治疗时机。而对于考虑发生肠坏死的患者，应积极手术治疗。本文结合近年来文献报道和笔者经验，针对门静脉积气在成人急腹症中的诊疗现状进行综述。

abstractsPortal vein gas refers to the accumulation of gas in the main portal vein and its tributaries caused by various reasons. It is often found in acute abdomen patients caused by intestinal obstruction and ischemia. CT is an important examination for the definite diagnosis. In recent years, with the deepening understanding of the pathogenesis of portal vein gas and the development of radiological imaging technology, portal vein gas is no longer considered as the indication of surgical exploration in acute abdomen patients. However, once it is found, intestinal ischemia and necrosis should been evaluated carefully in patients. According to the etiology, vital signs and auxiliary examination, the treatment decision can be made to avoid improper selection of treatment plan and delay the treatment opportunity. For patients with intestinal necrosis, surgical treatment should be active. This paper reviews the current situation of diagnosis and treatment of portal vein gas in adult acute abdomen patients.