锁骨下动脉支架植入术后支架内再狭窄的相关因素分析

目的以颈部动脉彩色多普勒超声(carotid artery color Doppler ultrasound,CDUS)评估锁骨下动脉(subclavian artery,Sub A)支架植入术后支架内再狭窄(in-stent restenosis,ISR)的发生率,并分析引起支架内再狭窄的可能影响因素。方法回顾性分析35例锁骨下动脉支架植入术患者,收集一般资料、生化指标、支架植入资料、收缩期峰值流速(peak systolic velocity,PSV),分析其与支架内再狭窄的相关性。结果本研究中CDUS评估锁骨下动脉支架植入术后支架内再狭窄率约为31.4%(11/35)。单因素分析显示吸烟、糖尿病、同型半胱氨酸浓度水平、支架长度在再狭窄组和无再狭窄组间存在统计学差异(P0.05)。结论锁骨下动脉支架植入术后支架内再狭窄率约为31.4%。ISR与吸烟、糖尿病、支架长度、同型半胱氨酸水平有关,可以作为ISR的预测指标。     

椎-基底动脉和锁骨下动脉狭窄行腔内支架成形术1例报告

椎-基底动脉狭窄的预后较差,随着冠状动脉支架技术运用发展,使椎-基底动脉内支架成形术成为可能。现报告1例椎-基底动脉和锁骨下动脉狭窄患者行一次性腔内支架成形术成功病例如下。1病例男,64岁。因反复发作性眩晕、猝倒2年余,加重半年,于2003年11月26日入院。患者于2年前起反复出现发作性眩晕、时伴猝倒,无意识丧失,约1~5min缓解。近半年来发作频繁,重时1周发作3次。在当地按缺血性脑血管病治疗,予以阿司匹林100mg/d,活血化瘀等治疗无明显好转。既往有高血压、糖尿病史。神经系统检查未见阳性体征。头颅MRI示左枕叶皮质、右颞叶底部内侧…     

血管内支架成形术治疗症状性锁骨下动脉重度狭窄临床研究

研究背景锁骨下动脉狭窄主要临床表现为锁骨下动脉盗血综合征,血管内支架成形术为其主要治疗方法,本文旨在探讨症状性锁骨下动脉重度狭窄血管内支架成形术的疗效和安全性。方法回顾分析2012年6-11月经血管内支架成形术治疗20例症状性锁骨下动脉重度狭窄患者的临床资料。结果所有患者支架植入均获成功,术后全脑血管造影提示锁骨下动脉残余狭窄率<20%,椎动脉呈顺向血流,锁骨下动脉盗血现象完全消失,同侧椎动脉颅内段血流通畅,临床症状改善;术后无一例出现支架相关性手术并发症。术后10天至6个月时,血管超声及CTA检查未见支架内再狭窄,血管形态良好、血流通畅。结论血管内支架成形术治疗症状性锁骨下动脉重度狭窄是一种微创、安全、有效的治疗方法。     

血管内支架治疗锁骨下动脉盗血综合征1例报告

随着影像学技术的发展和普及,越来越多的锁骨下动脉盗血综合征(SSS)得到了早期诊断。现报告用血管内支架治疗SSS1例如下。1病例女,59岁。因发作性头晕4d于2005年8月2日入院。患者于4d前突发头晕,每日发作多次,发作与体位有关,无复视、恶心、呕吐、耳鸣及听力下降。既往有高血压     

锁骨下动脉闭塞支架植入术

锁骨下动脉闭塞引起有椎-基底动脉供血不足、患侧肢体缺血表现等,如共济失调、眩晕、运动时出现肢体疼痛、麻木、乏力、苍白等。目前主要采用血管内支架成形术,当病变完全闭塞或接近锁骨下动脉和椎动脉开口时可考虑选择外科手术治疗。本病例闭塞近心端过短、闭塞时间长,按目前的腔内治疗和外科手术方法,风险大,我们采用长鞘衬管技术、双向造影/双向导丝打通技术成功进行了腔内支架植入术。     

血管内介入治疗锁骨下动脉盗血综合征临床研究

目的探讨应用血管内介入治疗锁骨下动脉盗血综合征的有效性和安全性。方法回顾性分析53例经血管内介入的锁骨下动脉盗血综合征患者的临床资料,从手术成功率、手术并发症及术后随访情况观察血管内介入治疗的有效性和安全性。结果 45/53例(84.90%)锁骨下动脉狭窄患者和8/53例(15.09%)完全锁骨下动脉闭塞患者均成功进行了血管内介入治疗,术后症状明显缓解。53例患者中发生手术并发症5次(9.43%),但未出现神经功能缺损和危及生命的手术并发症。锁骨下动脉闭塞的手术并发症发生率(37.50%)较锁骨下动脉狭窄(4.44%)显著升高(P0.05)。随访50/53例患者,随访率94.34%,平均随访时间(18.6±1.2)个月。1例患者术后12个月再狭窄率超过90%,行二次球囊成型;其余患者预后良好。结论应用血管内介入治疗锁骨下动脉盗血综合征具有微创、安全、高效优点,可作为首选治疗方法。     

大脑中动脉支架内血栓形成1例报告

支架内血栓形成是支架置入术后的一种常见并发症。术后血管内皮损伤、胶原组织暴露和作为异物的支架均为引发血栓形成的可能机制。不能及时识别处理则成为再狭窄的重要原因。我们报告1例发生在大脑中动脉（middle cerebral artery，MCA）支架内的血栓形成，探讨其识别处理过程和可能的机制。     

症状性椎/锁骨下动脉狭窄支架术后支架断裂三例报道及文献复习

目的 探讨症状性椎/锁骨下动脉狭窄支架术后支架断裂的发生机制和防治措施.方法 回顾性分析3例症状性椎/锁骨下动脉狭窄支架术后支架断裂患者的临床资料,参考冠状动脉支架断裂分型、发生率与发生时间、发生机制和防治进行相关文献复习. 结果 3例症状性椎/锁骨下动脉狭窄支架术后支架断裂均与支架内再狭窄和闭塞有关,2例患者采用球囊扩张术后症状减轻,1例患者服药观察,病情无加重. 结论 椎/锁骨下动脉狭窄支架术后可发生支架断裂,应定期复查;支架断裂可引起症状加重,目前治疗应个体化.     

血管内支架成功治疗左锁骨下动脉盗血综合征一例

血管内支架成形术是近年来缺血性脑血管病防治研究的热点,颈动脉的支架植入术的治疗效果已较为肯定。现将我院应用血管内支架植入术成功治疗1例锁骨下动脉盗血综合征（subclavian steal syndrome,SSS）现结合文献报告如下。     

1例颅内动脉支架内亚急性血栓反复形成的思考

颅内动脉粥样硬化是缺血性卒中常见病因,支架植入是症状性颅内动脉重度狭窄的治疗方法之一[1-2],围手术期亚急性支架内血栓形成的发生率约4.07％[3],但反复亚急性支架内血栓形成罕见.Miyakoshi等[4]报道了一例颈动脉支架术后反复亚急性血栓的处理,由于颅内动脉结构的特殊性,其支架内反复亚急性血栓形成如何处理目前...     

锁骨下动脉支架术后闭塞再通1例报道

正1病例介绍患者,男性,57岁,主因"头痛、头晕2.5年,加重半个月"于2013年4月25日入院,患者于2.5年前(2010年8月)无明显诱因出现头痛、头晕,头痛以后枕部钝痛为主,不伴视物旋转,无恶心呕吐,无明显肢体麻木无力,于当地医院行颅脑计算机断层扫描(computed tomography,CT)未见明显异常,测双侧血压不一致(具体数值不详),继而行头颈     

Superficial Temporal Artery-Middle Cerebral Artery Anastomosis for Internal Carotid Artery Occlusion by Subacute In-Stent Thrombosis after Carotid Artery Stenting

Alternative to carotid endarterectomy, carotid artery stenting (CAS) can be performed for symptomatic severe stenosis of internal carotid artery, especially for high-risk patients. Among several complications after CAS, subacute in-stent thrombosis is rare but important, because patient''s condition can deteriorate rapidly. Subacute in-stent thrombosis with carotid artery occlusion can be managed by superficial temporal artery-middle cerebral artery (STA-MCA) anastomosis. We report two cases of STA-MCA anastomosis for internal carotid artery occlusion by subacute in-stent thrombosis after CAS.     

超声在狭窄颈部动脉支架植入术后随访中的应用

目的评价超声在颈部动脉(颈动脉、锁骨下动脉及椎动脉)狭窄血管支架成形术后随访中的应用价值。方法应用超声随访观察47例患者的15枚颈内动脉(ICA)支架、9枚锁骨下动脉(SCA)支架及26枚椎动脉(VA)支架术后1～12个月,观察狭窄血管处支架位置、支架内及远端的收缩期峰值流速(PSV)、支架内有无血栓及再狭窄等情况,判断其疗效。结果支架置入术后超声示狭窄ICA、VA及SCA内径较术前明显增宽,内径分别由术前(2．90±0．76)mm、(2．0±0．38)mm及(4．00±1．46)mm增宽至术后的(4．20±1．78)mm、(3．4±0．51)mm、(6．15±0．98)mm;PSV分别由术前(115±15)cm/s、(181．4±32．5)cm/s、(257．67±66．41)cm/s减低至术后的(75±24)cm/s、(47．15±12．44)cm/s及(98．87±48．63)cm/s。随访中发现2例患者颈内动脉支架狭窄,1例颈内动脉支架闭塞。结论超声是评价颈部动脉狭窄血管支架成形术后疗效的无创、安全可靠的影像学检查方法。     

Endovascular Treatment of a Left Carotid Artery "Bowtie" Pseudoaneurysm with a Covered Wallgraft Stent

The authors present an unusual case of a young male patient with a large left common carotid artery pseudoaneurysm in a shape similar to that of a bowtie treated with a covered Wallgraft. The Wallgraft is a covered stent originally designed to be used in the treatment of tracheobronchial fistula and peripheral arterial applications. The favorable outcome of this case illustrates its endovascular application in nonsurgical traumatic injuries of the carotid artery.     

大脑中动脉血管内溶栓并支架置入术治疗一例

1病例简介患者,男性,45岁,主因“突发左侧肢体无力2．5 h”于2005年9月23日10时30分在我院急诊就诊。患者于入院前2．5 h无明显诱因突发左肢无力,逐渐加重,不能持物、行走,无言语不清,无头痛、头晕,无饮水呛咳,无视物旋转及视物成双。我院急诊查体:双侧血压125/75mm Hg。意识清,言语欠流利,额纹对称,左侧中枢性面瘫。左侧上肢肌     

Subclavian Steal and a Persistent Trigeminal Artery

A persistent trigeminal artery (PTA) has been found in a number of cerebrovascular diseases. A 73-year-old asymptomatic woman was noted to have a left PTA and left subclavian steal by catheter angiography. Carotid duplex revealed a peak systolic flow velocity of 294 cm/s in the internal carotid artery (ICA) and an ICA to common carotid artery ratio > 4, suggestive of a high-grade stenosis. Only a low-grade stenosis was identified by catheter angiography. The elevated flow velocities in the left ICA were attributed to increased collateral blood flow across the stenosis to the left PTA, which compensated for the subclavian steal. Transcranial Doppler found an alternating flow pattern in the basilar artery (mean flow velocity [MFV] = 18 cm/s) and left vertebral artery (MFV = 43 cm/s). During brachial hyperemia, the MFV increased by 178% in the basilar artery and 102% in the left vertebral artery. The data suggest that a PTA may compensate for subclavian steal and may have a protective hemodynamic role in this setting.     

Thrombosis of Left Common Iliac Artery Following Anterior Lumbar Interbody Fusion: Case Report and Review of Literatures

We report on a case of thrombosis of the left common iliac artery following anterior lumbar interbody fusion (ALIF) of L4-5 in a 79-year-old man with no previous medical problems, including peripheral vascular disease. After completing the ALIF procedure, the surgeon could not feel the pulsation of the left dorsalis pedis artery, and the oxygen saturation (SaO₂) had fallen below 90% from pulse oxymetry on the left great toe. Thrombectomy was successfully performed after confirming the thrombus in the left common iliac artery using Computed Tomography (CT) angiography. Thrombosis of the common iliac artery is very rare following ALIF. However, delayed diagnosis can lead to disastrous outcome. Although elderly patients have no cardio-vascular disease or vessel calcification in pre-op evaluation, the possibility of a complication involving L4-5 should be considered.     

A Case of Wallenberg's Syndrome Presenting with Spontaneous Thrombosis of a Vertebral Artery Aneurysm

Complete spontaneous thrombosis of intracranial aneurysms is uncommon. Although this type of thrombosis is largely asymptomatic, in rare cases it can be accompanied by parent artery occlusion and ischemic stroke. There are limited reports of complete thrombosis of an unruptured aneurysm of the internal carotid artery and middle cerebral artery. Furthermore, there are no reports of occlusion of the vertebral artery caused by thrombosis of an aneurysm. The mechanisms of spontaneous thrombosis are not established. However, aneurysm morphology, arteriosclerosis, and stagnation of aneurysm flow have been suggested. Herein, we present a novel case of Wallenberg's syndrome caused by a fusiform aneurysm in which complete thrombosis of the proximal vertebral artery occurred. We discuss the mechanisms of thrombosis caused by an unruptured aneurysm, which may be useful for managing such patients who present with transient ischemic attacks.