UNASSIGNED:肠系膜下动脉瘤(IMAA)的动脉结肠瘘是指动脉与相邻胃肠道之间自发形成的病理性连通。这是一种罕见的,危及生命的状况主要表现为腹痛,消化道出血,腹部搏动性肿块.然而,其临床表现通常不典型,诊断和治疗困难。
UNASSIGNED:我们报告了一例罕见的50岁男性因IMAA原发性动脉结肠瘘引起的失血性休克。而不是乙状结肠切除术,诊断性血管造影后进行超选择性经导管动脉栓塞(TAE).术后,动态对比增强腹部计算机断层扫描(CT)显示动脉瘤没有再通,没有异常的侧支血管,没有活动性出血.2周后患者顺利出院,无腹痛或紧张。
未经证实:结直肠肿瘤破裂是下消化道出血(LGIB)的主要原因,IMAA是一种罕见的病因。由于剖腹探查术的高死亡率,出血部位不明确,诊断性血管造影和治疗性TAE是诊断血流动力学不稳定的可行选择.
未经证实:动脉结肠瘘通常继发于动脉手术后移植血管吻合处形成的假性动脉瘤,破裂并渗入肠道.我们报道了IMAA原发性动脉结肠瘘的独特病例:动脉瘤破裂和从腹部出血到便血。经过多学科协商,我们的患者使用最微创的手术方法获得了最好的结果.腹部动脉瘤伴有结直肠出血,应怀疑IMAA的动脉结肠瘘。
UNASSIGNED: Arteriocolonic fistula of Inferior Mesenteric Artery Aneurysm (IMAA) refers to a spontaneous formation of pathological communication between the artery and the adjacent gastrointestinal tract. It is a rare, life-threatening condition primarily manifesting as abdominal pain, gastrointestinal bleeding, abdominal pulsating masses. However, its clinical manifestations are usually atypical with a difficult diagnosis and treatment.
UNASSIGNED: We report a rare
case of a 50-year-old male with a hemorrhagic shock due to primary arteriocolonic fistula of IMAA. Instead of sigmoidectomy, super selective transcatheter arterial embolization (TAE) was performed after diagnostic angiography. Postoperatively, dynamic contrast-enhanced abdominal computed tomography (CT) demonstrated no recanalization of the aneurysm, absence of abnormal collateral vessels, no active hemorrhage. The patient was discharged uneventfully after 2 weeks without abdominal pain or tension.
UNASSIGNED: Colorectal tumor rupture is a major cause of lower gastrointestinal bleeding (LGIB), with IMAA being an uncommon etiology. Because of the high mortality of explorative laparotomy with an unclear bleeding site, diagnostic angiography and therapeutic TAE are viable options for diagnosing hemodynamic instability.
UNASSIGNED: Arteriocolonic fistulas commonly occur secondary to a pseudoaneurysm formed at the anastomosis of the transplanted blood vessel after an artery surgery, which ruptures and penetrates into the intestine. We reported a unique
case of primary arteriocolonic fistula of IMAA: aneurysm rupture and bleeding from the abdomen into the hematochezia. After multidisciplinary consultations, our patient obtained the best outcome using the most minimally invasive surgical methods. With an abdominal artery aneurysm presenting with colorectal hemorrhage, arteriocolonic fistula of IMAA should be suspected.