不开胸“杂交”手术治疗主动脉弓部夹层的近中期随访研究

目的总结不开胸"杂交"手术(不开胸主动脉弓分支血管旁路术+主动脉腔内修复术)治疗主动脉弓部夹层的近中期疗效和经验。方法回顾性分析2011年1月至2014年9月在广州军区武汉总医院心胸外科接受主动脉弓分支血管旁路术+主动脉腔内修复术(主动脉弓分支血管旁路术毕即转入导管室行同期主动脉腔内修复术)治疗主动脉弓部夹层7例患者的临床资料,其中男12例、女5例,年龄46~71岁。分析该手术方式的选择及预后情况。结果行左颈总动脉-左锁骨下动脉旁路术4例,右颈总动脉-左颈总动脉-左锁骨下动脉旁路术3例,右颈总动脉-左颈总动脉旁路术、封闭左锁骨下动脉10例。全部手术均获得成功。1例患者术后出现喉返神经损伤。术后7 d、3个月、1年及之后每年复查CT,随访截至2015年9月,随访时间12~53个月。随访所有患者均健康存活,人工血管旁路通畅,血管支架无内漏。结论不开胸"杂交"手术可用于治疗难以耐受主动脉置换的主动脉弓部主动脉夹层高危患者。     

腔内修复联合辅助技术治疗累及主动脉弓的Stanford B型夹层动脉瘤

目的 探讨主动脉腔内修复手术联合辅助技术治疗累及主动脉弓部的Stanford B型主动脉夹层动脉瘤.方法 分析腔内治疗累及主动脉弓部,破口邻近左锁骨下动脉或位于其近端的46例StanfordB型主动脉夹层动脉瘤的临床资料.腔内封堵左锁骨下动脉43例;PDA封堵器封堵左锁骨下动脉6例次;颈部动脉搭桥术9例次;“烟囱”技术重建左颈总动脉8例次;“开窗”技术封堵夹层破口,同时保留主动脉弓部所有分支动脉1例次.结果 患者术后均存活,随访时间(25±16)个月.未发生严重神经系统并发症.10例发生左锁骨下动脉Ⅱ型内漏,其中6例通过PDA封堵器隔绝,2例保守治疗后自愈;9例发生左上肢缺血症状,其中8例行保守治疗,另1例症状严重,行颈部动脉搭桥术重建左锁骨下动脉.随访中,所有人工血管和分支动脉支架均保持通畅,降主动脉真腔直径显著扩大,假腔直径逐渐缩小.结论 对累及主动脉弓部,破口邻近左锁骨下动脉或位于其近端的StanfordB型主动脉夹层,腔内治疗联合PDA封堵器、颈部动脉搭桥术、“烟囱”技术或“开窗”技术是安全有效的治疗方法.     

杂交技术治疗主动脉弓降部病变的临床研究

目的:探讨杂交技术治疗主动脉弓降部病变的效果。方法:采用杂交技术(解剖外旁路联合血管腔内修复术)手术治疗10例患者,包括累及主动脉弓部分支的B型主动脉夹层4例和主动脉弓降部真性动脉瘤6例。其中左颈总动脉至左椎动脉旁路1例,右颈总动脉至左颈总动脉旁路5例,右颈总动脉至左颈总动脉及左颈总动脉至左锁骨下动脉旁路1例和升主动脉至无名动脉及左颈总动脉旁路3例。均经股动脉入路植入覆膜支架。结果:10例患者均获得技术成功,1例发生少量I型内漏,未处理。术后1例因脑梗塞伴肺炎、肾功能衰竭不治自动出院;其余9例均痊愈出院。9例随访时间3～33个月,均恢复正常生活,术后3个月CTA示:覆膜支架无移位,1例内漏已消失,无新的内漏发生,夹层假腔或动脉瘤腔内已有血栓形成,远端夹层假腔无明显扩大,旁路人工血管通畅。结论:杂交手术避免体外循环损害,减轻外科手术创伤,提高了治疗效果,是治疗累及分支的主动脉弓降部病变的重要方法。     

胸主动脉腔内修复扩展近端锚定区的探讨

目的探讨胸主动脉腔内修复(EVR)近端锚定区不足的两种处理。方法回顾分析近端锚定区<15mm的9例DeBakeyⅢ型主动脉夹层动脉瘤(ADA)和1例胸降主动脉瘤(DTAA)患者的治疗经过、结果和并发症。其中DTAA患者和3例ADA患者行辅助性右左颈总动脉、左颈总左锁骨下动脉旁路联合腔内修复(EVR)治疗(联合治疗组),另6例ADA患者直接行EVR,覆盖左锁骨下动脉开口(直接修复组)。结果10例患者都取得技术成功。DTAA病例动脉旁路术后无并发症,EVR术后并发脑梗塞、成人呼吸窘迫综合征、上消化道大出血、肾功能衰竭,第12天死亡。9例ADA患者功能围手术期无与血管有关的并发症。直接修复组中2例术后早期出现头晕,静滴甘露醇4～5d后缓解。9例患者都获随访,随访期3～12个月(平均9个月),未发生神经系统或肢体缺血性并发症,术后3个月CT证实所有病例原发破口封闭,胸主动脉假腔内完全血栓形成,真腔扩大。结论处理胸主动脉EVR近端锚定区不足时,辅助性动脉旁路和直接覆盖左锁骨下动脉开口是可行的,可以拓展EVR在DeBakeyⅢ型ADA和DTAA中的应用。     

腔内隔绝术、联合血管旁路移植术治疗主动脉夹层动脉瘤

目的总结腔内隔绝术、联合血管旁路移植术治疗主动脉夹层动脉瘤的临床经验，以提高其治疗效果。方法自2002年9月至2006年12月，共完成腔内隔绝术或联合血管旁路移植术8例。对4例近端支架固定区〈15mm的患者于腔内隔绝术前行椎动脉-左颈总动脉端侧吻合术1例，应用8mm人工血管行左锁骨下动脉-左颈总动脉旁路移植术2例，左锁骨下动脉-左颈总动脉-右颈总动脉旁路移植术1例，手术后8～10d，行腔内隔绝手术。4例破口距左锁骨下动脉开口〉15mm的患者直接行腔内隔绝手术。结果行血管旁路移植的4例患者术后恢复良好，术后8～10d行腔内隔绝手术，8例患者腔内隔绝手术操作顺利，隔绝术后3～8d出院，无住院死亡。出院前增强CT扫描无内漏发生。随访4例，随访时间2～48个月，其中1例患者长期胸痛，经对症处理胸痛缓解；4例患者夹层内血栓机化良好，无内漏出现或夹层剥离的现象发生。结论腔内隔绝手术是一种创伤小、恢复快、疗效好的治疗方法，腔内隔绝术联合血管旁路移植术治疗主动脉夹层动脉瘤，扩大了腔内隔绝术的手术适应证。     

腔内修复主动脉弓夹层动脉瘤技术改进一例

我院经人工血管旁路定位左颈总动脉腔内修复主动脉弓夹层动脉瘤1例，报告如下。     

经旁路人工血管精确定位左颈总动脉行主动脉弓部夹层腔内隔绝术3例报告

我院采用辅助性右-左颈总动脉、左颈总动脉．左锁骨下动脉旁路，并通过旁路人工血管，置刻度导管至左颈总动脉精确定位腔内修复（ednovascular repoia EVR）主动脉弓夹层动脉瘤3例。现报告如下。     

经颈动脉腔内技术重建主动脉弓治疗Stanford A型夹层动脉瘤(附1例报告)

目的探讨血管腔内技术重建主动脉弓治疗升主动脉、主动脉弓病变的可行性。方法2005年,对1例StanfordA型夹层动脉瘤,腔内修复主动脉病变之前做右颈总动脉-左颈总动脉-左锁骨下动脉的旁路术;经右颈总动脉将修改的分叉支架型血管主体放入升主动脉,长臂位于无名动脉。短臂应用延长支架型血管延伸至降主动脉。通过腔内技术重建主动脉弓实现累及升主动脉和主动脉弓主动脉病变的微创治疗。结果腔内修复术后移植物形态良好,血流通畅,病变被隔绝,脑、躯干、四肢循环稳定。无严重并发症。结论该手术方案设计合理、技术可行。可能成为复杂胸主动脉病变新的腔内治疗模式。     

DeBakey Ⅰ型主动脉夹层动脉瘤的血管腔内治疗

目的探讨血管腔内治疗DeBakeyⅠ型主动脉夹层动脉瘤的方法。方法对7例DeBakeyⅠ型主动脉夹层动脉瘤进行血管腔内治疗。7例均行磁共振血管造影、CT和动脉造影检查确诊。内膜撕裂口均位于升主动脉,距冠状动脉开口2．5-6．0cm,距右头臂干开口0．5-4．0cm。2例通过左颈总动脉置入带膜支架,术前行左锁骨下动脉-左颈总动脉间内转流术以保证左颈总动脉血供。5例通过右股总动脉置入带膜支架,其中2例先行左锁骨下动脉-左颈总动脉-右颈总动脉人工血管旁路术。结果全组均手术成功。3例第1枚支架释放后仍有较多内漏,即再放入第2枚支架,交错重叠于第1枚支架内面而成功封闭撕裂口,消灭内漏。除1例术后1个月因急性上消化道大出血死亡外,其余6例存活。6例的假腔均有血栓形成,无内漏,无新的夹层动脉瘤形成。结论DeBakeyⅠ型主动脉夹层动脉瘤的血管腔内治疗是可行、微创和有效的。病例选择应注意撕裂口距冠状动脉开口的距离。     

腔内隔绝术联合开窗技术治疗累及主动脉弓部的Stanford B型夹层动脉瘤的临床研究

目的 总结腔内隔绝术联合开窗技术治疗累及主动脉弓部的Stanford B型夹层动脉瘤的可行性和手术效果.方法 采用腔内隔绝术联合开窗技术治疗10例累及主动脉弓部的Stanford B型夹层动脉瘤.腔内隔绝术联合开窗技术封堵夹层破口,保留主动脉弓全部分支8例,保留头臂干及颈总动脉2例.手术均在局部麻醉下完成,覆膜支架开窗在术中进行.结果 患者术中造影无内漏,术后无死亡,2例左锁骨下动脉封堵的患者未出现神经系统并发症.随访中,开窗支架通畅,无移位,保留的主动脉弓分支动脉通畅,降主动脉真腔扩大,假腔血栓化并缩小.结论 对于累及主动脉弓部的Stanford B型夹层动脉瘤,腔内隔绝术联合开窗技术治疗是安全有效的治疗方法.     

裂口位于主动脉弓远端Stanford A型主动脉夹层的腔内修复

目的总结腔内修复术治疗裂口位于主动脉弓远端Stanford A型主动脉夹层的临床经验。方法2001年1月至2006年6月在中山大学附属第一医院血管外科通过股动脉入路行主动脉腔内修复术,对21例内膜撕裂口位于主动脉弓远端和近端降主动脉的Stanford A型主动脉夹层进行血管腔内治疗,根据椎动脉造影确定是否重建左锁骨下动脉。结果全组21例中,急性夹层13例,慢性夹层8例,均接受了血管腔内带膜支架修复术,手术成功率100%。17例同时封闭了左锁骨下动脉,其中4例行左锁骨下动脉重建。4例发生内漏,1例术后发生脑梗死。平均随访22.3个月(6~65个月),所有病例均存活。假腔内完全血栓形成12例,部分血栓形成9例。结论主动脉腔内修复术治疗内膜撕裂口位于主动脉弓远端和近端降主动脉的Stanford A型主动脉夹层是有效和安全的,具有微创、成功率高和并发症少等特点。     

急性B型主动脉夹层的腔内治疗

目的 讨论腔内修复术(endovascular repair,EVR)对治疗急性B型主动脉夹层(acuteaortic dissection,AAD)的安全性及有效性.方法 回顾性分析2002年2月至2008年3月收治的39例急性B型主动脉夹层患者的临床资料.EVR按常规方法进行,2例需覆盖左颈总动脉而行旁路术,其中1例同时无名动脉支架型血管(stent graft,SG)开窗术;1例因肢体严重缺血同期行左下肢截肢术.13例完全覆盖左锁骨下动脉,1例覆盖迷走右锁骨下动脉,5例部分覆盖左锁骨下动脉(leftsubclavian artery,LSA).术后全部病例均经CTA(computer tomography angiography)随访,并监测支架覆盖段(Ll)及支架远端(L2)主动脉段的假腔变化.结果 所有支架释放到预定位置;30 d死亡率10.3%.术后1个月L段假腔血栓率100%,完全血栓率77.8%(21/27例),部分血栓率22.2%(6/27例),其中18.5%(5/27例)达到血栓完全吸收、主动脉重塑;L2段假腔血栓率28%,完全血栓率8%(2/25例),部分血栓率20%(5/25例).结论 急性B型主动脉夹层腔内修复术治疗效果肯定,30 d内死亡主要与术前伴随的并发症有关.     

腔内支架人工血管治疗主动脉弓部动脉瘤

目的 探讨腔内支架人工血管治疗主动脉弓部动脉瘤的基本方法。方法 采用国产腔内支架人工血管治疗主动脉弓部动脉瘤患者46例,其中主动脉瘤累及主动脉弓中部23例(50％),单纯累及弓降部22例(48％),累及胸降主动脉1例(2％)。选择支架直径是夹层破裂口或瘤口近端相应部位主动脉直径宽的1．15～1．20倍。支架近端直径34～38mm,长度90～120mm。支架材料为国产形状记忆镍钛合金。结果 支架释放成功45例(98％),无远端动脉并发症发生。支架释放后即刻封闭瘤口或破裂口43例(96％),早期内漏2例(4％)。夹层真腔全部恢复正常。急性期患者中转手术1例,死亡2例。术后43例患者获随访,随访时间1～23个月,远期内漏3例(7％),但所有随访患者均恢复正常生活。结论 腔内支架人工血管可用于主动脉弓部动脉瘤的治疗,其治疗的长期效果还需进一步观察。     

Early and mid-term results of endovascular stent grafting for aortic aneurysms]

Early and mid-term clinical results of 28 cases of endovascular stent grafting for descending thoracic aortic aneurysms and 11 cases of abdominal aortic aneurysms are reported. Early clinical results: Among 28 patients (7 true thoracic aortic aneurysms, 3 pseudothoracic aortic aneurysms and 8 acute, 4 subacute, and 6 chronic aortic dissections), two patients (7.1%) with ruptured acute aortic dissection or ruptured infected pseudoaneurysm died in the perioperative period. Two of the remaining 26 patients experienced minor complications. Aneurysmal sacs or false lumens at the descending thoracic aorta were completely thrombosed in the 26 patients. One patient (9.1%) with a ruptured abdominal aneurysm died, and one of the remaining 10 patients had renal and peripheral emboli and peripheral vascular trauma. Inadvertent covering of the renal arteries occurred in another patient. Unless one patient had persistent endoleak, aneurysmal sacs in the 10 surviving patients were thrombosed. Mid-term clinical results: One aortic dissection at a different section of the descending aorta occurred 6 months after stent grafting for aortic dissection, and one patient died of pneumonia 3 months after stent grafting for an abdominal aortic aneurysm. CT scanning 6 months after stent grafting revealed a decrease in maximal aneurysmal size in 3 of 9 patients with true or pseudothoracic aneurysms and in 2 of 5 patients with abdominal aortic aneurysms. Five of 9 patients with stent grafting for acute or subacute dissection showed elimination of the false lumen in the descending thoracic aorta in a CT scan 6 months after grafting. One patient with a true thoracic aneurysm and one patient with an abdominal aortic aneurysm showed an increase in aneurysmal size in a CT scan 2 years and one year after treatment, respectively.     

胸主动脉瘤及夹层腔内修复术中左锁骨下动脉的处理

目的探讨胸主动脉瘤及夹层腔内修复术中左锁骨下动脉的处理方法。方法2000年6月至2005年12月,54例胸主动脉瘤及夹层患者的近端锚定区小于15mm,需处理左锁骨下动脉。腔内修复术在X线透视下进行,支架型血管通过输送系统携带到病变部位,根据病变特点对左锁骨下动脉采取一期完全覆盖（40例）、部分覆盖（3例）、完全覆盖后腔内重建（1例）、完全覆盖前外科重建（10例）等方法处理,观察治疗后效果。结果所有患者术中均应用数字减影血管造影进行脑循环评估。40例一期完全覆盖左锁骨下动脉;10例腔内覆盖前行右锁骨下动脉．左锁骨下动脉或左颈总动脉-左锁骨下动脉旁路术;3例覆盖左锁骨下动脉开口1／2～4／5后再通过球囊扩张、支架植入重建左锁骨下动脉;1例完全覆盖左锁骨下动脉后应用腔内人造血管开窗技术重建左锁骨下动脉。所有辅助技术均取得成功,未出现严重脑及上肢并发症。腔内修复术后近端Ⅰ型内漏发生率17％（9／54）。一期完全覆盖左锁骨下动脉患者术后早期窃血综合征发生率20％（8／40）,左肱动脉平均收缩压（63±24）mmHg（1mmHg=0．133kPa）。结论通过辅助腔内或腔外技术,可对短颈胸主动脉瘤及夹层病变进行有效的腔内修复术;对左锁骨下动脉的处理方式根据椎基底动脉、Willis环及双侧颈动脉状况来确定。     

Left subclavian artery management in endovascular repair of thoracic aortic aneurysms and aortic dissections

PURPOSE: The purpose is to report our experience and revise our previously published results in endovascular repair of short-necked thoracic aortic aneurysms or aortic type B dissections, in which the left subclavian artery (LSA) was occluded by the stent graft intentionally.METHODS: Seven patients with an aortic type B dissection and three patients who had a thoracic aortic aneurysm were treated endovascularly with stent grafts. In all patients the ostium of the LSA was occluded by the stent graft, only in two patients a primary, prophylactic revascularization of the LSA was performed by transposition to the left common carotid artery (LCA). Two types of stent grafts were used: the Talent (Medtronic) and the Excluder (Gore) stent graft. RESULTS: In all patients the sealing of the entry tear in aortic dissections and the exclusion of existing thoracic aortic aneurysms were achieved. No immediate neurological deficit or left arm ischemia occurred. Nevertheless, during a mean follow-up of 18 months (2 to 31 months) in three patients a second surgical intervention had to be performed due to subclavian steal syndrome, left arm ischemia, or continuing perfusion of the dissected false aortic channel. CONCLUSION: Intentional occlusion of the LSA in stent-graft repair of thoracic aortic diseases seems to be a safe procedure. Close follow-up is needed due to arising subclavian steal syndrome, arm ischemia, or persistent perfusion of the false channel via LSA in aortic dissections after patients' discharge, requiring surgical intervention.     

Surgical treatment of dissecting aneurysms of the aortic arch

Since May 1987 to May 1988, 8 cases of dissecting aneurysms of the aortic arch were treated surgically at the Department of Cardiovascular Surgery. Justus-Liebig University. Four cases were Standford A type and 4 were Stanford B type. All the patients were operated on under deep hypothermia (20 degrees C) and circulatory arrest, and aneurysms were repaired using pre-clotting graft without clamping the aortic arch. Bleeding from anastomosis line was controlled by fibrin coagulum. In addition, the auto-blood transfusion was applied using the cell saver system. This procedure could be performed in a short circulatory arrest and cardiac ischemic time. Seven patients were alive and discharged without neurological complication. Only one patient died because of the carotid artery dissection to the aortic dissection on the 2nd. post-operative days the clinical results were almost satisfactory. It appeared that surgical repair for dissecting aneurysm of the aortic arch could be performed safely and easily by this surgical technique and the know-how.     

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??Objective:To discuss the methods of Endovascular aneurysm repair (EVAR) for artic arch aneurysm or dissection. Methods:From Sep.1998 to Feb.2006,63 cases related with the super??arch branches.Three methods were used in the lesions with left subclavain artery (LSA) invasion only,covering the LSA without reconstruction,LSA bypass before EVAR or covering LSA completely and then re??open it by endovascular technique.To the lesions with LSA and left common carotid artery (LCCA) invasion,a traditional bypass of LCCA and LSA was done before EVAR,or covering most of LCCA first,and then reconstructed it through LCCA by endovascular technique.To the lesions with three super??arch branches invasion,a bifurcated stent??graft was planted for reconstructing the artic arch. Results:LSA was treated in 54 cases,LSA and LCCA were treated in 8 cases and all of the super??arch branch arteries were treated in 1 case.All of the auxiliary techniques were enforced successfully.The primary average systolic pressure of left brachial artery was ??62.6±24.2??mmHg in cases without LSA reconstruction.The 30??days endoleak rate was 17.5%. Conclusion:Covering the LSA is safe to the patients with normal contraliteral vertebral and basilar artery.EVAR combined with supplementary techniques can expand the EVAR indications of aortic arch lesions.The long term result still keep in follow up.     

主动脉腔内修复术后中远期并发症与二次处理策略

目的探讨主动脉腔内修复术后中远期并发症的处理方法与效果。方法1999年5月至2007年6月对21例主动脉病变腔内修复术后中远期并发症进行了再次处理。其中腹主动脉瘤（AAA）15例,胸主动脉动脉瘤（TAA）3例,主动脉夹层（TAD）3例。并发症：Ⅰ型内漏11例,Ⅱ型内漏4例,Ⅲ型内漏2例;移植物阻塞4例。应用延长支架型血管技术处理Ⅰ、Ⅲ型内漏（6例）,应用“侧孔”、“凹口”、“分叉”支架型血管结合颈部血管旁路手术重建主动脉弓处理Ⅰ型内漏（3例）,应用栓塞技术处理Ⅱ型内漏（4例）,应用取栓和旁路手术技术处理移植物阻塞（4例）,应用开放手术技术处理动脉瘤破裂（1例）。结果20例（95．2％）应用腔内技术作为二次处理主要手段,二次处理30d内死亡1例（4．7％）,因技术需要而修改器材结构者3例。二次术后仍存在内漏者5例（29．4％,5／17）。二次干预瘤体相关性死亡3例（14．3％）。结论内漏和移植物阻塞是腔内修复术后主要中远期并发症,其主要原因是原发性内漏的延续和移植物移位。腔内技术可作为二次处理的主要手段。主动脉弓部病变进行二次干预有更大的挑战性。     

Multiple aneurysms and aortic dissection: An unusual manifestation of Marfan's syndrome

Annuloaortic ectasia and dissection of the ascending aorta are common cardiovascular complications of Marfan's syndrome. True aneurysms of the subclavian arteries in these patients are rare. We present an unusual case of a 37-year-old woman who over the span of 10 years sequentially developed an aneurysm of the ascending aorta (annuloaortic ectasia), a right subclavian artery aneurysm, a left axillary-subclavian artery aneurysm, and a dissection of the aortic arch. Aside from the aortic dissection, the aneurysms produced no symptoms. All vascular complications were detected with computed tomography and managed successfully. This case emphasizes the need for close postoperative surveillance in patients with Marfan's syndrome who have had one cardiovascular complication of the disease.