摘要
目的:探讨TurboHawk斑块旋切导管(DA)联合紫杉醇药物涂层球囊(PCB)治疗下肢股腘动脉(FPA)狭窄及闭塞性病变的疗效及安全性。方法:选取2016年9月-2017年8月我院收治的17例下肢动脉硬化闭塞症患者,男11例,女6例,平均年龄(73.2±7.5)岁,14例(82%)患肢Rutherford分级>4级,表现为患肢严重缺血,靶病变为股腘动脉,接受了DA联合PCB的腔内治疗方案。术前、术后常规双联抗血小板治疗,术后3、6、12个月复查患肢踝肱指数(ABI)、彩色超声或CTA随访。结果:17例患者接受了上述治疗方案,平均病变长度为(286.1±69.4)mm,全部靶病变血管再通成功,1例顽固性狭窄行支架补救,技术成功率为94.1%(16/17),8例术前已有足趾坏死者接受截趾术,均经治疗创面完全愈合且不影响行走。术后即刻患肢缺血症状改善,Rutherford分级明显下降,差异均有统计学意义,术后ABI比术前明显提高(0.99±0.10 vs.0.30±0.19,t=15.31,P<0.05)。随访3~14个月,平均(7.4±3.8)个月,全部患者下肢缺血症状无复发,保肢率为100%;随访期间未见明显需手术干预的复发狭窄,一期管腔通畅率为100%。住院及随访期间无严重手术相关并发症。结论:DA联合PCB治疗下肢股腘动脉病变是安全有效的,近期通畅率高。
Objective: To evaluate the safety and effect of directional atherectomy(DA) combined with paclitaxel-coated balloon(PCB) angioplasty in treatment of atherosclerotic lesions in femoropopliteal artery. Methods: Seventeen cases with femoropopliteal occlusion[mean age of(73.2±7.5) years-old; 11 male and 6 female] were analyzed. In 14 cases(82%), the Rutherford level of the affected limb was >4 grade,presented with critical limb ischemia, underwent treatment with DA and PCB angioplasty under filter protection between September 2016 and August 2017. Dual antiplatelet therapy was indicated per-and post-operation.The ankle-brachial index(ABI) was detected before the intervention, after 3, 6 and 12 months. Also clinical examination and target lesion duplex ultrasound scans or computed tomographic angiography(CTA) were done in the observation period. Results : There were 17 cases enrolled, the treated lesion length was( 286. 1 ±69. 4) mm. Successful recanalization of all target lesions, one refractory stenosis was treated with bailout stenting. The technical success rate was 94. 1 %. In eight cases with toe necrosis before operation, foot finger amputations were performed after procedure, to reach complete wound healing and/or preserve deambulation. The post-operation ABI was significantly higher than per-operation( 0. 99 ± 0. 10 vs. 0. 30 ±0. 19, t = 15. 31, P < 0. 05). The mean follow-up was( 7. 4 ± 3. 8) months( 3-14 months). During follow-up, no restenosis requiring re-intervention was found, the primary patency was 100 %, and no DA-related adverse event and symptom recurrence was observed, with the limb salvage rate of 100 %.Conclusion: The DA combined with PCB might be an effective and safe method with a promising high rate of patency.
引文
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