目的 探讨腹主动脉瘤腔内修复术后瘤体直径和瘤体体积的转归以及与术后内漏的关系。方法 回顾性分析2015年—2020年在我院行腹主动脉瘤腔内修复术的83例患者的临床及影像学资料。测量术前和术后各随访时间点瘤体最大直径及体积。CT评价术后内漏发生情况。定义瘤体（直径/体积）扩张/回缩及瘤体（直径/体积）稳定。以术前瘤体最大直径大小和术后内漏发生情况将患者分组,比较组间各随访时点的瘤体直径和体积转归情况。结果 患者术后平均随访时间24（10~62）个月。以瘤体直径<50 mm及≥50 mm分组,术后各随访时间点2组间瘤体体积及瘤体直径比较均无统计学差异。以术后有无内漏分组,术后各随访时间点组间比较瘤体体积变化比较差异均有统计学意义（P<0.05）,但瘤体直径变化组间比较差异均无统计学意义。结论 主动脉瘤瘤体体积与直径变化并不存在一致性,监测瘤体体积可以发现那些直径变化不明显的瘤体变化;腹主动脉瘤腔内修复术后内漏可能是导致瘤体增大的因素之一。

Objective To evaluate the outcome of aneurysm diameter and volume,and the role of endoleak after endovascular aneurysm repair of abdominal aortic aneurysm．Methods The clinical and imaging data from 83 patients who underwent endovascular repair of abdominal aortic aneurysm in our hospital from 2015 to 2020 were retrospectively analyzed．The maximum aneurysm diameter and volume were measured at the preoperative and postoperative follow-up time points．CT was used to evaluate the incidence of postoperative leakage．The aneurysm（diameter/volume）expansion/shrinkage and aneurysm（diameter/volume）stability were defined．Patients were divided into different groups according to the maximum preoperative aneurysm diameter and the incidence of postoperative endoleak,and the outcomes of aneurysm diameter and volume were compared at established follow-up points．Results The mean follow-up time was 24（10-62）months．There were no statistically significant differences in postoperative aneurysm volume and diameter at follow-up points between the patients with aneurysm diameter <50 mm and patients with aneurysm≥50 mm．There were statistically significant differences in postoperative aneurysm volume between the patients with postoperative endoleak and patients without postoperative endoleak（P<0.05）．However,there were no statistically significant differences in postoperative diameter between the two groups．Conclusions The changes of aneurysm volume and diameter were not closely related,and the detection of aneurysm volume can help to find the aneurysm changes with no obvious diameter changes．The postoperative endoleak after endovascular aneurysm repair may be one of the factors leading to aneurysm enlargement．

目的 探究和分析本组腹主动脉瘤腔内治疗病例并发症发生的原因及预防、处理策略。方法 对本团队在2014年1月—2017年12月实施的37例腹主动脉瘤腔内修复手术病例进行回顾性分析。结果 共有11例发生并发症,其中3例为术中I型内漏、1例术后支架移位致Ⅰ型内漏、1例术后Ⅲ型内漏、1例术中Ⅳ型内漏,全部经处理后内漏消失;术后髂动脉支架内血栓1例,经取栓后血流恢复;术后股动脉狭窄闭塞1例,经取栓并行股动脉人工血管置换后血流恢复;术后移植物反应1例,对症处理后症状消失出院;2例双侧髂内动脉栓塞致术后盆腔疼痛,随访疼痛消失,无跛行。结论 腹主动脉瘤腔内修复治疗本身存在内漏、血栓、血管入路损伤、移植物反应等相关并发症。术前正确评估并严格掌握适应症以及具有成熟的操作经验,是减少并发症发生的关键。

Objective To discuss and analyze the occurrence causes, prevention and treatment methods of complications in the endovascular repair of patients with abdominal aortic aneurysm. Methods Totally 37 cases of patients with abdominal aortic aneurysm underwent endovascular repair in our hospital from January 2014 to December 2017 were retrospectively analyzed. Results The complications were occurred in 11 cases, which including intra-operative typeⅠendoleak in 3 cases, postoperative typeⅠendoleak caused by stent displacement in 1 case; intra-operative type Ⅲ endoleak in 1 case; postoperative type Ⅳ endoleak in 1 case. all of the endoleak events disappeared after dealing. There was postoperative iliac artery stent thrombosis in 1 case, the blood flow was restored after thrombectomy; postoperative femoral artery stenosis or occlusion in 1 case, the blood flow was restored after thrombectomy and femoral artery artificial vascular replacement; postoperative host versus graft reaction in 1 case, no stent infection was found; and postoperative bilateral pelvic pain caused by internal iliac artery embolization in 2 cases, the pain disappeared during the follow-up visit, and the patients were free from lameness. Conclusion The complications related to endoleak, thrombosis, vascular approach injury and host versus graft reaction are existing with the endovascular repair itself of abdominal aortic aneurysm. The correct preoperative evaluation as well as strict control of indications and mature operational experience are the key to reduce the occurrence of complications.