微创治疗锁骨下动脉窃血综合征

目的 探讨经皮血管内成形术(PTA)及内支架置放术治疗锁骨下动脉窃血综合征(SSS)的疗效。方法 应用PTA及内支架置放术治疗因锁骨下动脉狭窄致SSS患者78例,单纯行PTA22例,行PTA加支架置放术56例。结果 78例患者手术全部获得成功。随访66例,随访时间1～71个月,平均27个月,随访率84．6％。随访病例经彩超及多普勒血流图检查,均未发生病变部位再狭窄,血流通畅良好,椎动脉均为正常血流,放置支架无脱落及移位。结论 PTA及内支架置放术治疗因锁骨下动脉起始段狭窄引起的SSS是一种创伤小、疗效满意、安全可行的微创治疗方法。     

锁骨下动脉闭塞的血管腔内治疗

目的：探讨经皮血管内成形术(PTA)和血管内支架置放术治疗锁骨下动脉起始段闭塞的疗效。方法：应用经皮血管内成形术(PTA)和血管内支架安置术治疗5例锁骨下动脉起始段闭塞的病人。结果：5例手术均获成功。术后患肢动脉搏动恢复正常，多普勒测压双上肢血压压差由术前平均54mmHg降至术后9．6mmHg．术后随访1～3月；彩超提示支架无脱落及移位，病变部位血流通畅，椎动脉恢复为正常人颅血流。结论：PTA和血管内支架安置术是治疗锁骨下动脉起始段闭塞的一种微创、安全可行和疗效满意的方法。     

锁骨下动脉窃血综合征的再认识及血管内治疗

目的 研究评价经皮血管内成形及支架置入术治疗锁骨下动脉窃血综合征(SSS)的疗效和安全性.方法 对2007年1月至2009年12月的32例左侧SSS患者进行介入治疗,术前行数字减影血管造影(DSA)检查和评估、抗血小板药物准备,然后实施球囊扩张+支架置入术,同时注意术中抗凝及术后处理,分别于术后即刻、3、6个月随访复查经颅多普勒超声(TCD)评价其疗效.结果 32例患者术前DSA检查结果显示锁骨下动脉狭窄平均为87.5%,术后降为15.0%,术后TCD检查结果显示椎动脉反向血流消失,放置的支架均无回缩和移位.术前患、健侧收缩压差平均为51.6 mmHg(1 mmHg=0.133 kPa),术后3个月时降为10 mmHg,无栓塞及死亡事件发生.结论 球囊扩张+支架置入术是治疗SSS的首选治疗手段,术后抗凝和抗血小板至关重要,TCD随访简易、安全、有效、可靠.     

锁骨下动脉窃血综合征的腔内治疗

目的:探讨锁骨下动脉窃血综合征的腔内治疗效果。方法:回顾性分析10年间86例行血管腔内治疗的锁骨下动脉窃血综合征患者临床资料,其中锁骨下动脉闭塞11例,狭窄75例,狭窄程度均>70%。结果:86例患者均成功释放支架,无并发症发生。支架置入术后即刻造影显示:锁骨下动脉狭窄或闭塞段血流通畅,椎动脉血流正向。术后患侧肱动脉即刻恢复搏动,与健侧压差<10 mmHg(1 mmHg=0.133 kPa)。72例患者获随访,平均随访24个月。2例死于恶性肿瘤,4例死于心肌梗死。其余随访患者椎-基底动脉缺血及上肢缺血症状均明显改善或消失。复查超声提示:支架无脱落及移位,血流通畅。结论:锁骨下动脉窃血综合征的腔内治疗微创、安全、成功率高,近期效果肯定,可作为首选治疗方法。     

血管腔内支架治疗动脉狭窄性病变的临床分析

目的 初步评价金属内支架治疗动脉狭窄性病变的疗效及安全性。方法 利用血管腔内支架置入共治疗34例动脉狭窄性病变,其中降主动脉1例,髂动脉27例,股动脉2例,颈动脉1例,锁骨下动脉2例,肾动脉1例。动脉硬化性病变33例,多发性大动脉炎1例。动脉经皮穿刺26例,动脉直视下穿刺8例。结果 34例血管腔内支架均置放成功,1例降主动脉段病例于术后当日死亡,系降主动脉破裂。球囊扩张后动脉形成夹层分离有13例,穿刺点血肿形成11例。颈动脉段1例术中及术后未发生TIA及脑梗塞。下肢动脉各段术中及术后未发生远端肢体动脉急性栓塞。踝肱指数从术前平均0．45升至0．72。2例锁骨下动脉病变患者术后患肢血压恢复正常。1例肾动脉狭窄患者血压从术前180／120mm Hg下降至140／90mm Hg。所有存活病例均得到随访,随访1－26个月,2例髂动脉病变分别于术后4个月及6个月血栓形成,余扩张段动脉均通畅。结论 血管腔内支架对动脉狭窄性病变疗效满意,尤其适用于髂动脉、锁骨下动脉短段狭窄的患者。对颈动脉狭窄性病变使用需慎重。     

介入治疗锁骨下动脉窃血综合征

目的探讨锁骨下动脉狭窄或闭塞引起的锁骨下动脉窃血综合征（SSS）的介入治疗效果。方法回顾性分析15例锁骨下动脉狭窄（10例）或闭塞（5例）的患者资料。采用经股动脉顺行穿刺或经肱动脉逆行穿刺方式开通,行球囊扩张及支架植入术。术后观察患者体征及并发症。结果技术成功率为100%（15/15）,术后患者症状、体征消失,双上肢收缩压差由术前的（47.00±19.30）mmHg下降至（5.33±2.32）mmHg,差异有统计学意义（P〈0.05）。术后造影示椎动脉血流转为正向血流。随访1～4年,未发现再狭窄。结论介入治疗锁骨下动脉狭窄或闭塞性病变引起的SSS安全、有效。     

锁骨下动脉阻塞支架置入50例临床分析

目的探讨腔内支架置入治疗锁骨下动脉闭塞症的临床疗效。方法2001年5月~2006年4月,我院采用腔内支架置入治疗锁骨下动脉闭塞50例53支病变。45例经股动脉顺行,5例经腋动脉逆行支架置入。7例伴有颈动脉或椎动脉严重狭窄同期行支架置入。结果术后患肢血压测定均较术前明显提高,患/健侧血压指数由术前0.69±0.12提高至术后0.98±0.11(t=9.731,P=0.000)。43例随访3~60个月,平均14.5月,锁骨下动脉再狭窄率(>50%)11.6%(5/43)。结论腔内介入支架治疗锁骨下动脉严重狭窄和闭塞是一种安全、有效的方法,为临床首选。     

血管腔内技术治疗锁骨下动脉窃血综合征35例

锁骨下动脉起始段狭窄或闭塞,致使位于其远端的椎动脉血流逆转,进而引起患侧上肢缺血和/或椎-基底动脉系统的脑供血不足,称为＂锁骨下动脉窃血综合征（subclavian steal syndrome,SSS）＂[1]。近年来,国内外文献报告经皮腔内血管成形术（percutaneous transluminal angioplasty,PTA）已成为治疗SSS的主要措施。2007年1月-2010年11月,我科经介入治疗SSS35例,现报道如下。     

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目的总结逆行锁骨下动脉支架植入治疗重度锁骨下动脉狭窄和闭塞的初步临床经验方法1999年9月至2003年7月采取经肱动脉逆行植入支架治疗锁骨下动脉重度狭窄和闭塞共19例术前诊断包括彩色多普勒超声检查和动脉造影确诊手术方法是经患侧上肢肘部小切口解剖肱动脉，逆行造影和支架植入。结果本组支架植入成功18例，支架植入满意，无移位。失败1例．因病变闭塞完全，导丝无法通过闭塞部位而转行手术治疗。治疗成功的18例中随访16例，随访时间2～48个月，平均24个月失访2例。随访率88.9％一有2例分别于术后11个月和14个月出现再狭窄，1例再次行球囊扩张成功，1例转行手术治疗结论逆行锁骨下动脉支架植入是治疗锁骨下动脉重度狭窄和闭塞安全有效的方法     

经皮球囊导管成形支架植入术治疗布-加综合征的临床观察

目的 探讨经皮下腔静脉球囊成形加支架植入术治疗布加综合征(BCS)的临床疗效。方法 120例患者均经彩色多普勒超声、下腔静脉及肝静脉造影等检查明确诊断，并进行经皮下腔静脉球囊成形(PTA)加支架植入术(EMS)治疗。所有病例随访6-108个月。结果 扩张前静脉狭窄段内径0-6mm(平均3mm)，肝静脉内径2mm。扩张并置放血管内支架后，腔静脉、肝静脉内径分别为18—20mm和8mm。扩张前下腔静脉至右房压力差为18-35cmH20(1．76-3．43Da)，平均20．3cmH20(1．989kPa)，扩张后压差消失，119例手术顺利，1例左肝静脉轻度损伤。术后96例主要症状及体征消失或基本消失，19例明显改善。120例(100％)获1-108(平均67．35)个月随访，其中门5例在随访期间血管内支架形态良好，支架内血流通畅；3例在术后8，11，16个月发生腔静脉再阻塞，经二次PTA EMS治愈；2例于术后2—3个月发生3支肝静脉再阻塞，转为外科手术。结论 经皮下腔静脉球囊成形、支架植入术是非长段阻塞型布—加综合征良好的治疗方法。     

PTA of supra-aortic arteries with temporary balloon occlusion to avoid distal embolism.

Percutaneous transluminal angioplasty (PTA) was carried out in eight patients with cervical arterial stenosis; six in the subclavian and brachiocephalic arteries (5 with subclavian steal syndrome), one in the common carotid artery, and one in both the brachiocephalic and common carotid arteries (with subclavian steal syndrome). The PTA balloon catheters were introduced via the femoral artery in seven and brachial artery in one. To prevent distal embolization through the vertebral and internal carotid arteries, the blood flow in these vessels was temporarily occluded with a balloon catheter. The dilation of the stenotic areas was generally satisfactory. Antegrade blood flow was promptly obtained in the vertebral artery even in patients with subclavian steal syndrome. In all patients, the clinical symptoms improved. Two patients underwent repeat PTA because of restenosis.     

Percutaneous transluminal angioplasty and stent placement for subclavian steal syndrome with concomitant anterograde flow in the left internal mammary artery graft for coronary artery bypass--case report

A 63-year-old man presented with subclavian steal syndrome associated with left internal mammary artery (IMA) bypass graft to a coronary artery. He was admitted with a history of oppressive sensation in the chest, dizziness, and light headedness on exertion for 2 weeks in March 2002. He had undergone myocardial revascularization consisting of a left IMA-to-left anterior descending coronary artery graft in April 1988. His blood pressure was 140/70 mmHg in the right arm and 80/64 mmHg in the left arm. Aortic arch arteriography revealed complete occlusion of the left subclavian artery proximal to the left IMA takeoff and subclavian steal with anterograde flow of the left IMA. Percutaneous angioplasty and stent placement with protection of the left IMA bypass graft using a balloon catheter was successfully performed without complication by cerebral or myocardial ischemia. Complete recanalization of the occluded left subclavian artery and anterograde flow of the left vertebral artery were achieved. His symptoms disappeared and blood pressure in the left arm recovered. This variant of coronary subclavian steal might require protection of the left IMA during angioplasty and stent placement.     

腋- 腋动脉旁路移植术治疗锁骨下窃血综合征的临床疗效

目的:观察腋-腋动脉人工血管旁路移植术治疗锁骨下窃血综合征的临床效果及椎动脉血流的改善情况.方法:回顾性分析7年间64例采取腋-腋动脉人工血管旁路移植术治疗动脉硬化性锁骨下动脉窃血患者的临床资料.结果:手术成功率100％,全组无围手术期死亡.5例出现伤口血肿,8例术后出现神经受累症状,未出现伤口或人工血管感染病例.获随访的55例患者中,49例症状改善,其中术前椎动脉窃血为4级的患者有94.87％ (37/39)血流改善;3级患者中,62.50％ (5/8)血流改善;2例术前为2级的患者,未见血流改善.2例术后症状无改善,4例术后3～25个月再次出现头晕及患肢麻木,该6例患者中,5例血流改善.术后患者双上肢血压差平均恢复为10.22 mmHg,4例人工血管血栓形成,4例新发脑梗死.结论:对于锁骨下动脉窃血的患者,腋-腋动脉人工血管旁路移植术是安全有效的,该术式可以有效改善椎动脉的血流,但椎动脉的血流改善与症状并不完全平行.     

Arterial steal syndrome after orthotopic liver transplantation

Arterial steal syndrome after orthotopic liver transplantation (OLT) is characterized by arterial hypoperfusion of the graft, which is caused by a shift in blood flow into the splenic or gastroduodenal arteries. In this report, we present mechanisms by which this syndrome caused ischemia in our patients. Steal was suspected by elevated levels of liver enzymes and the results of Doppler ultrasonography and computed tomographic angiography; it was confirmed by celiac angiography. Patients with established hepatic arterial thrombosis before angiography were excluded from this study. Steal was treated by embolization with a coil or by placement of an endoluminal narrowing stent. Ten patients at our institution (seven men and three women; mean age, 24.7 +/- 11 years; range, 6 to 40 years) exhibited biochemical evidence of liver ischemia and graft failure at 1 to 170 days after having undergone orthotopic liver transplantation. Nine of those patients had splenic steal, and one had both splenic and left gastric artery steal syndrome. None of the patients had gastroduodenal artery steal syndrome. The eight patients with splenic steal syndrome and the patient with both splenic and left gastric steal syndrome were treated by transcatheter occlusion with a coil. The remaining patient with splenic steal syndrome was treated with an endoluminal narrowing stent placement. All patients improved clinically within 24 hours after treatment, exhibiting significant changes in their biochemical and radiological parameters. Follow-up ranged from 1 to 22 months (mean, 6.7 +/- 6.6 months). One patient died from sepsis 1 month after having undergone coil embolization. He had no vascular anomalies at the time of death. We conclude that steal is a significant problem after OLT. Embolization and stenting are minimally invasive and successful treatments for steal, usually resulting early clinical improvement.     

Combination treatment of venous thoracic outlet syndrome: open surgical decompression and intraoperative angioplasty

OBJECTIVE: Residual subclavian vein stenosis after thoracic outlet decompression in patients with venous thoracic outlet syndrome is often treated with postoperative percutaneous angioplasty (PTA). However, interval recurrent thrombosis before postoperative angioplasty is performed can be a vexing problem. Therefore we initiated a prospective trial at 2 referral institutions to evaluate the safety and efficacy of combined thoracic outlet decompression with intraoperative PTA performed in 1 stage. METHODS: Over 3 years 25 consecutive patients (16 women, 9 men; median age, 30 years) underwent treatment for venous thoracic outlet syndrome with a standard protocol at 2 institutions. Twenty-one patients (84%) underwent preoperative thrombolysis to treat axillosubclavian vein thrombosis. First-rib resection was performed through combined supraclavicular and infraclavicular incisions. Intraoperative venography and subclavian vein PTA were performed through a percutaneous basilic vein approach. Postoperative anticoagulation therapy was not used routinely. Venous duplex ultrasound scanning was performed postoperatively and at 1, 6, and 12 months. RESULTS: Intraoperative venography enabled identification of residual subclavian vein stenosis in 16 patients (64%), and all underwent intraoperative PTA with 100% technical success. Postoperative duplex scans documented subclavian vein patency in 23 patients (92%). Complications included subclavian vein recurrent thrombosis in 2 patients (8%), and both underwent percutaneous mechanical thrombectomy, with restoration of patency in 1 patient. One-year primary and secondary patency rates were 92% and 96%, respectively, at life-table analysis. CONCLUSIONS: Residual subclavian vein stenosis after operative thoracic outlet decompression is common in patients with venous thoracic outlet syndrome. Combination treatment with surgical thoracic outlet decompression and intraoperative PTA is a safe and effective means for identifying and treating residual subclavian vein stenosis. Moreover, intraoperative PTA may reduce the incidence of postoperative recurrent thrombosis and eliminate the need for venous stent placement or open venous repair.