摘要
下肢深静脉血栓形成(DVT)行早期血栓清除减容可恢复静脉通畅及缓解症状,目前AngioJet是国内最常用的静脉血栓清除系统,而Aspirex应用较少,本研究探讨Aspirex机械血栓清除治疗在创伤后急性DVT患者中的疗效及安全性。
回顾性分析2016年5月—2020年8月在北京积水潭医院血管外科收治的54例创伤后急性DVT患者的病例资料。所有患者行下腔静脉可回收滤器置入术,其中有Dneali 35例(64.8%)、Celect 3例(5.6%)、Cordis 14例(25.9%)、Octoparms及临时滤器(贝朗)各1例(1.9%)。患者创伤经手术及固定治疗后均行彩超检查或造影明确为髂股静脉及下腔静脉血栓形成。其中,22例(40.7%)为髂股静脉血栓、4例(7.4%)为髂及下腔静脉血栓、11例(20.4%)为下腔静脉血栓、17例(31.5%)为股髂静脉及下腔静脉血栓。所有患者在局麻下行经腘静脉或股静途径Straub Aspirex机械血栓清除手术(PMT),术中联合导管取栓(MAT)、导管接触性溶栓(CDT)、髂静脉球囊扩张及髂静脉支架置入术。统计技术成功率、即刻临床成功率(症状缓解率)、围手术期出血发生率及术后滤器取出率。术后随访1年,超声评价目标静脉通畅率及血栓后综合征(PTS)的发生率。
54例患者中,3例(5.6%)行单纯机械血栓清除手术,17例(31.5%)行血栓清除联合导管取栓术,3例(5.6%)行血栓清除联合置管溶栓术,18例(33.3%)行血栓清除联合导管取栓及置管溶栓术,12例(22.2%)行血栓清除联合导管取栓及髂静脉球囊扩张术,1例(1.9%)行血栓清除联合导管取栓及支架置入术。技术成功率及即刻临床成功率均为100%。12例(22.2%)血栓III级清除,33例(61.1%)为II级清除,9例(16.7%)为I级清除,血栓清除成功率为83.3%。围手术期1例(1.9%)出现脑出血,给予停止溶栓及抗凝,2周复查头颅CT见血肿吸收,无后遗症;2例(3.7%)出现鼻出血及穿刺点血肿,给予压迫后缓解,无症状性肺栓塞及死亡等发生。滤器留置时间为(61.4±84.8)d,51例(94.4%)患者尝试行滤器取出,所有患者均成功取出。术后无血栓复发,术后1年PTS的发生率为33.3%,目标静脉通畅率为75.9%。
急性下肢深静脉血栓形成(deep venous thrombosis,DVT)的主要临床表现为肢体疼痛及肿胀,是血管外科常见的疾病之一。DVT及其引起的致死性肺栓塞是心脑血管疾病死亡的第三大常见原因,仅次于心肌梗塞和脑血管疾病。在国内,DVT的发病率及住院率逐步增长,且随着年龄的增长,其发生率亦增
肿瘤、创伤、肢体制动、大手术及长期卧床等因素可诱发下肢DVT。流行病学显示对于创伤后股骨及骨盆大手术患者,其围手术期DVT的发生率为约40
回顾性分析2016年5月—2020年8月在北京积水潭医院血管外科收治的54例创伤后急性DVT患者的临床病例资料。为预防致死性肺栓塞风险,置入下腔静脉滤器,所有患者创伤经过下肢骨折手术、石膏固定等治疗后行彩色多普勒超声或下肢静脉造影检查,确诊为急性髂股静脉及下腔静脉血栓形成,于血管外科行Aspirex机械血栓清除,术中结合导管取栓、CDT、髂静脉球囊扩张及支架置入术。纳入标准:⑴ 所有患者为创伤后如骨折等继发下肢深静脉血栓形成患者;⑵ 血栓部位经超声或造影明确为髂股静脉血栓和(或)下腔静脉血栓;⑶ 能够接受Aspirex联合CDT血栓清除方案患者。排除标准:⑴ 创伤后出现脑损伤、重要脏器损伤出血的患者;⑵ 近3个月出现非创伤性脑出血及消化道出血患者;⑶ 造影剂过敏患者;⑷ 慢性下肢深静脉血栓形成患者;⑸ 抗凝及溶栓禁忌的患者;⑹ 资料不完整及失访病例。所有患者术前均签署知情同意书。
选取仰卧位,局部麻醉后穿刺为非血栓侧股静脉,置入8 F动脉鞘,造影观察髂静脉及下腔静脉是否通畅,有无解剖畸形。明确双侧肾静脉开口位置及髂静脉分叉处,于肾静脉下精准释放滤器。
首先经足背静脉穿刺行下肢静脉造影,明确血栓情况。根据血栓累及的范围,选择手术体位。经股静脉穿刺,取仰卧位;经腘静脉穿刺,取俯卧位。局麻下穿刺靶静脉并留置11 F动脉鞘,泥鳅导丝通过血栓段,交换为Aspirex旋吸导管工作导丝,选择10 F静脉抽栓导管。通过鞘管三通连接加压生理盐水(内含稀释造影剂),同时抽栓导管与驱动设备及引流袋连接。开启驱动装置,助手固定导丝后由远及近缓慢推进导管,速度为1 cm/s,必要时重复上述操作2~3次。可应用10 F Guiding导管进行血栓抽吸减容以辅助Aspirex机械清栓(

图1 1例32岁患者影像学资料 A:左髂股静脉血栓,Denali滤器置入;B:俯卧位,左腘静脉造影提示髂股全程血栓;C:10 F Aspirex导管机械取栓;D:髂股静脉通畅;E:髂总静脉受压迫中度狭窄;F-G:髂静脉球囊扩张;H:扩张后可见通畅的血流,仍存在狭窄
Figure 1 The imaging data of a 32-year-old patient A: Left iliofemoral vein thrombosis, and Denali filter implantation; B: A prone position, left popliteal venography showing thrombosis along the entire length of the iliofemoral vein; C: Mechanical thrombectomy with a 10 F Aspirex under DSA; D: Patent iliofemoral vein; E: Moderate stricture of the common iliac vein with compression; F-G: Balloon dilatation of the iliac vein; H: Patent blood flow and mild venous stenosis after balloon dilatation
在溶栓及血栓清除后,对于造影提示血栓侧髂静脉狭窄>50%患者,应用球囊逐级扩张(

图2 1例45岁患者影像学资料 A:俯卧位,左腘静脉造影提示髂股全程血栓;B:10 F Aspirex导管机械取栓;C:左股静脉通畅;D:髂静脉全程血栓,下腔静脉部分血栓;E:10 F导管抽吸血栓;F:髂静脉重度狭窄;G:髂静脉球囊扩张;H:扩张后可见通畅的血流,仍存在狭窄
Figure 2 The imaging data of a 45-year-old patient A: A prone position, left popliteal venography showing thrombosis along the entire length of the iliofemoral vein thrombosis; B: Mechanical thrombectomy with a 10 F Aspirex under DSA; C: Patent left femoral vein; D: Thrombosis affecting the whole length of the iliac and partial portion of the inferior vena cava vein; E: Manual aspiration thrombectomy by 10F guilding catheter; F: Severe iliac vein stenosis; G: Balloon dilatation of the iliac vein; H: Patent blood flow and mild venous stenosis after balloon dilatation
技术成功率定义为最终静脉造影明确髂股及下腔静脉恢复通畅的血流。即刻临床成功率(症状缓解率)定义为1周内急性症状缓解。血栓清除等级定义:III级为血栓清除率>95%;II级为血栓清除50%~95%;I级为血栓清除率<50%。清除成功定义为取得II级及以上的血栓清
在所有患者中,男25例(46.3%),女29例(53.7%),平均年龄为(52.8±16.5)岁。15例(27.8%)患者伴有高血压,4例(7.4%)伴有冠心病,6例(11.1%)伴有糖尿病,3例(5.6%)伴有脑梗塞。14例(25.9%)患者创伤为大腿及髋部骨折,13例(24.1%)为下肢小腿骨折,3例(5.6%)为膝关节及韧带损伤,24例(44.4%)为其他外伤等需要肢体制动。彩超或造影发现血栓形成至血栓清除时间平均为(7.48±2.47)d。34例(63.0%)患者血栓发现于左下肢。22例(40.7%)患者为髂股静脉血栓形成,4例(7.4%)例为髂-下腔静脉血栓,11例(20.4%)为下腔静脉血栓,17例(31.5%)为股-髂-下腔静脉血栓(
所有患者滤器成功置入,其中Dneali 35例(64.8%),Celect 3例(5.6%),Cordis 14例(25.9%),Octoparms及临时滤器(贝朗)各1例(1.9%)。34例(63.0%)经右股静脉置入,19例(35.2%)经左股静脉置入,1例(1.9%)经右静脉置入。有3例(5.6%)行单纯机械血栓清除手术,17例(31.5%)行血栓清除联合导管取栓术,3例(5.6%)行血栓清除联合置管溶栓术,18例(33.3%)行血栓清除联合导管取栓及置管溶栓术,12例(22.2%)行血栓清除联合导管取栓及髂静脉球囊扩张术,1例(1.9%)行血栓清除联合导管取栓及支架置入术(
技术成功率及即刻临床成功率均为100%。有12例(22.2%)患者血栓为III级清除,33例(61.1%)为II级清除,9例(16.7%)为I级清除,血栓清除成功率为83.3%。围手术期1例(1.9%)出现脑出血,给予停用抗凝及溶栓治疗,2周后复查头颅CT提示血肿吸收,无后遗症。有2例(3.7%)患者出现鼻出血及穿刺点血肿,给予压迫止血,未出现症状性肺栓塞及死亡等并发症。22例髂股静脉DVT患者有7例(31.8%)患者在血栓清除期间出现滤器下出现拦截血栓。滤器留置时间为(61.4±84.8)d,51例尝试取出,取出率为100%。术后1年PTS的发生率为33.3%,目标静脉通畅率为75.9%。术后无血栓复发及症状性肺栓塞(
抗凝依然是急性DVT的基本治疗方式,尽管能防治血栓的进展及复发,但对于已经存在的血栓并不能有效清除及溶解。早期的血栓清除可以快速使静脉血流恢复通畅,缓解症状及降低远期严重PTS的发生风险。指
CDT作为临床上一线的血栓清除方式,不仅可以直接溶解血栓,提高血栓的溶解率,还可预防PTS的发生,效果显著,目前常用的溶栓药物有尿激酶及阿替普酶
本研究对象均为创伤后DVT患者,而创伤后肺血栓栓塞症的发生率为7%~58
Aspirex导管在国内外目前尚无大样本前瞻性研究报道,仅见于样本量较少的回顾性分析。国外一项回顾性研
对于髂股静脉DVT患者,Aspirex清栓治疗常常联合导管吸栓、CDT、髂静脉球囊扩张及支架置入术。在血栓清除时,无论是经腘静脉还是经股静脉入路,可配合10 F导管行血栓抽吸,充分减容,血栓清除前后亦可多次及反复应用、花费少、操作简易,可增强清栓效果,减少CDT的应用,降低出血风
急性髂股静脉DVT经治疗后,远期可出现PTS,表现为肢体肿胀及皮肤溃疡等,严重影响患者生活质量。在ATTRAC
然而,Aspirex血栓清除要注意导管取栓的应用,反复多次的血管抽吸对于辅助机械血栓清除十分重要。对于无法清除及导管取出的血栓,应用CDT增强清栓效果,但出血不可忽视。髂静脉球囊及支架维持静脉的短期及长期的通畅性亦十分重要。总而言之,Aspirex进行血栓清除治疗急性髂股静脉DVT仍具有较好的疗效及安全性,需要联合导管取栓、CDT、髂静脉球囊及支架,提高静脉短期通畅率。
利益冲突
所有作者均声明不存在利益冲突。
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