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目的探讨肾动静脉畸形的影像学表现及经动脉栓塞治疗(TAE)的疗效及安全性。方法回顾分析15例以肉眼血尿为主要症状就诊并行介入治疗的肾动静脉畸形患者的临床资料。经CTA确诊后,然后行DSA造影,根据病变的情况选择不同的栓塞材料行介入栓塞治疗,术后随访4~56个月(平均25个月)。结果所有患者均经肾动脉CTA确诊并均成功行介入栓塞治疗。15例患者共行16次介入治疗,栓塞材料包括无水乙醇、弹簧圈、PVA及明胶海绵颗粒,术后肉眼血尿2 h明显减轻,1~7天消失,随访期间未见血尿复发及严重并发症发生。结论肾动脉CTA是诊断肾动静脉畸形的重要检查方法,介入栓塞是治疗肾动静脉畸形安全且有效的方法。
Objective To investigate the imaging manifestations of renal arteriovenous malformations and the efficacy and safety of transcatheter arterial embolization (TAE). Methods The clinical data of 15 patients with renal arteriovenous malformation who underwent concurrent interventional treatment with gross hematuria as the main symptom were retrospectively analyzed. After the CTA was confirmed, DSA angiography was performed. Different embolization materials were selected for interventional embolization according to the lesion. The patients were followed up for 4 to 56 months (average 25 months). Results All patients were confirmed by CTA and were successfully treated with embolization. A total of 16 interventions were performed in 15 patients. Embolization materials including anhydrous ethanol, coil, PVA and gelatin sponge particles were significantly reduced after 2 hours of gross hematuria and disappeared in 1 to 7 days. No recurrence of hematuria and serious complications were observed during follow-up Disease occurs. Conclusion CTA of renal artery is an important method for the diagnosis of renal arteriovenous malformations. Interventional embolization is a safe and effective method for the treatment of renal arteriovenous malformations.