Use of Microballoon Catheter in Transarterial Ethanol Embolization of Renal Angiomyolipoma: A Retrospective Comparative Study with Historical Control?
Use of Microballoon Catheter in Transarterial Ethanol Embolization of Renal Angiomyolipoma: A Retrospective Comparative Study with Historical Control?
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DOI：
10.22575/interventionalradiology.2020-0036
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发表时间：
2022-03-01
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目的探讨微球导管在肾血管平滑肌脂肪瘤（AML）肾动脉无水乙醇栓塞治疗中的应用。 共20例患者（15例女性，5例男性），中位年龄为45岁（39-60岁），接受栓塞治疗22例AML。将乙醇和碘化油的混合物注射到13个使用微球囊导管的球囊闭塞的肿瘤（球囊栓塞组）和9个不使用球囊闭塞的肿瘤（非球囊栓塞组）的供血动脉中。评估最大肿瘤直径、肿瘤体积和不良事件的变化。 球囊栓塞组中位基线最大肿瘤直径和体积分别为6.3 cm和61.4 cm 3，非球囊栓塞组中位基线最大肿瘤直径和体积分别为4.6 cm和40.1 cm 3。栓塞后血管造影肿瘤强化消失。栓塞后肿瘤均缩小。球囊闭塞组（31.5%和67.9%）和对照组（34.8%和62.6%）在10-12个月时最大肿瘤直径和体积的百分比降低方面无统计学显著差异。使用球囊闭塞时发热的发生率显著更高：38% vs. 0%（p = 0.03）。两组患者均未观察到严重并发症。 当用乙醇和碘油的混合物栓塞AML时，球囊闭塞可能不影响肿瘤收缩。
To clarify the utility of microballoon catheter in renal arterial ethanol embolization of renal angiomyolipoma (AML). A total of 20 patients (15 women, 5 men) with median age of 45 years (39-60 years) underwent embolization to treat 22 AMLs. A mixture of ethanol and iodized oil was injected into the feeding arteries of 13 tumors using balloon occlusion (the balloon embolization group) with a microballoon catheter and 9 tumors without using balloon occlusion (the non-balloon embolization group). Changes in the maximum tumor diameter, tumor volume, and adverse events were evaluated. The median baseline maximum tumor diameters and volumes were 6.3 cm and 61.4 cm3 in the balloon embolization group, and 4.6 cm and 40.1 cm3 in the non-balloon embolization group, respectively. Tumor enhancement disappeared on postembolization angiography in all cases. All tumors shrunk after embolization. There were no statistically significant differences in the percent decrease in the maximum tumor diameter and volume at 10-12 month between balloon occlusion group (31.5% and 67.9%) and control group (34.8% and 62.6%). Fever was significantly more frequent when balloon occlusion was used: 38% vs. 0% (p = 0.03). No major complication was observed in either patient group. Balloon occlusion may not affect tumor shrinkage when embolizing AMLs with a mixture of ethanol and lipiodol.