大动脉转位术后吻合口生长的随访研究

目的随访分析大动脉转位术（ASO）后的主动脉（AO）、肺动脉（PA）吻合口生长情况,以了解ASO术后的长期疗效。方法回顾性分析自1999年12月至2007年12月上海交通大学医学院附属上海儿童医学中心施行ASO 331例患者的相关资料,其中完全性大动脉错位合并室间隔完整型（TGA／IVS）111例,完全性大动脉错位合并室间隔缺损（TGA／VSD）123例,右心室双出口伴肺动脉瓣下室间隔缺损、肺动脉高压（Taussig-Bing）73例,快速二期大动脉转位术（Stage-Switch）24例。随访228例,随访时间20．4±18．6个月;随访超声心动图报告752张,平均每例随访3．3次。根据超声心动图所测AO、PA吻合口直径大小,分析吻合口的生长情况。结果TGA／IVS患者AO、PA吻合口直径（近期为0．74±0．17cm和0．65±0．13cm,远期1．09±0．31cm和0．84±0．21cm）,TGA／VSD患者AO、PA吻合口直径（近期为0．76±0．20cm和0．63±0．14cm,远期为1．09±0．24cm和0．82±0．22cm）,Taussig-Bing患者AO、PA吻合口直径（近期为0．84±0．25cm和0．74±0．20cm,远期为1．05±0．30cm和0．85±0．24cm）远期较近期均有明显生长（P〈0．05）;Stage—Switch患者AO吻合口直径（近期为0．93±0．19cm,远期为1．19±0．29cm）远期相对于近期有明显生长（P〈0．05）,PA吻合口直径（近期为0．90±0．27cm,远期为1．00±0．32cm）远期较近期有生长,但差异无统计学意义（P〉0．05）。随访至2008年11月,共有6例患者因左、右心室流出道梗阻而需再次手术,术后有3例无残余梗阻,3例仍有残余梗阻。结论ASO的主动脉和肺动脉离断再缝合连接之后,血管能够随着年龄增加而生长,但也会发生狭窄。在长期随访中,有个别患者需要再次手术干预。     

大动脉转换术在复杂先天性心脏病治疗中的应用

目的 回顾总结我院近3年采用大动脉转换术治疗小儿复杂先天性心脏病(先心病)的临床经验。方法2000年1月至2003年5月,采用大动脉转换术(Switch手术)治疗小儿复杂先心病61例。其中完全性大血管错位(TGA)45例,包括室间隔完整型(TFGA-IVS)26例,伴室间隔缺损(TGA,VSD)19例;右心室双出口伴肺动脉瓣下室间隔缺损(Taussig-Bing)16例。结果TGA,IVS死亡2例;TGA-VSD死亡4例;Taussig-Bing死亡4例;总手术病死率16％。术后随访3个月-3年,所有病例青紫症状消失,活动能力明显增强。1例Taussig-Bing术前二尖瓣轻～中度返流,术后仍为中度返流。2例TGA术后出现主动脉和肺动脉瓣上狭窄,压差40mmHg,1例肺动脉瓣下狭窄和残余室间隔缺损,3个月后再次手术治愈。结论大动脉转换术应用于完全性大血管错位的纠治,手术效果满意;应用于右室双出口肺动脉瓣下室间隔缺损的纠治,不但可早期纠治,防止其肺血管阻塞性病变发生,而且避免了心内修补左室流出道梗阻的远期并发症。     

107例大动脉转换术的冠状动脉解剖类型和治疗结果

目的总结分析近年来107例大动脉转换术的冠状动脉解剖分类和手术结果，以进一步提高大动脉转换术的手术成功率。方法2000年1月至2004年9月，采用大动脉转换术纠治完全性大血管错位室隔完整型（TGA／IVS）44例，完全性大血管错位伴室间隔缺损（TGA/VSD）38例，右室双出口伴肺动脉瓣下室间隔缺损、肺动脉高压（Taussig-Bing）25例，其中冠状动脉畸形28例，占全组28％。结果大动脉转换术107例中死亡17例，总病死率15．88％。其中TGA/IVS组死亡4例，病死率9．02％；TGA／VSD组死亡8例，病死率21．05％；Taussig-Bing组死亡5例，病死率20．00％。90例术后随访6个月～4年，VSD残余漏3例，2例分别在术后1个月和2个月自愈，1例同时伴右室流出道梗阻，术后3个月再次手术治愈。肺动脉瓣上狭窄2例尚在随访中。其余病儿活动良好，无任何心肌缺血表现。结论冠状动脉畸形的变异很多，分型比较困难，Leiden方法简单，易掌握。Taussig-Bing的冠状动脉畸形发生率较高，TGA／VSD的冠状动脉畸形达40％左右，进行Switch手术时应注意。     

169例动脉调转手术治疗大动脉转位的早、中期结果

目的 探讨大动脉调转手术(ASO)治疗完全性大动脉转位(TGA)的早、中期结果,分析其随访死亡、术后主动脉瓣反流及肺动脉狭窄的危险因素.方法 2004年1月至2007年12月,169例行动脉调转术病儿入选,其中男129例,女40例,平均年龄(11.7±26.3)个月.病儿分两组:Ⅰ组为室间隔完整组(56例),Ⅱ组为室间隔缺损组(113例).所有术后生存病儿均进行超声随访,平均随访时间(27.7±14.6)个月.危险因素采用Logistic回归模型分析.结果 全组住院死亡19例(11.24%),两组间差异无统计学意义.随着整体治疗水平的提高,住院病死率由2004年的16.67%下降到2007年的3.92%.1、3及5年生存率分别为94.00%、91.33%及91.33%,两组间差异无统计学意义.Logistic回归分析发现,ASO术后随访死亡的危险因素为手术年龄大于6个月;术后主动脉瓣反流的危险因素为合并室间隔缺损、年龄大于6个月、术后新主动脉瓣Z值>1;术后肺动脉狭窄的危险因素为手术年龄小于1个月和肺动脉采用补片成形.结论 ASO手术具有良好的早、中期结果,是治疗完全性大动脉转位的理想术式.TGA病儿应该尽早手术治疗,手术年龄大于6个月是随访死亡及主动脉瓣反流的重要危险因素;新主动脉根部与主动脉远端不匹配是术后主动脉瓣反流的危险因素;病儿的生长发育与肺动脉成形材料无生长特性的矛盾是导致术后肺动脉狭窄的危险因素.     

动脉调转术治疗心室大动脉连接异常的先天性心脏病

目的总结动脉调转术（ASO）治疗心室大动脉连接异常的先天性心脏病（先心病）手术疗效。方法2000年1月至2004年8月，60例病儿实施ASO，早年（2000．1—2003．5）42例，近期（2003．6—2004．8）18例；其中完全性大动脉转位（TGA）49例、Taussig-Bing畸形7例、矫正性大动脉转位（ccTGA）4例；年龄1—6个月15例、7～12个月14例、1-3岁6例、〉3岁6例，其中〉6月龄的TGA/VSD或TGA/PDA18例。行大动脉调转术，同期矫治合并畸形；ccTGA病儿先行心房转流术，后行ASO。结果全组手术死亡10例（16．7％），其中早年9例（21．4％）、近期1例（5．6％），死亡率明显下降（P〈0．05）。生存病儿随访0．5—56．0个月，心功能恢复良好，无死亡及并发症。结论ASO应用于TGA、Taussig-Bing畸形以及ccTGA能取得良好的手术结果。针对国内TGA/VSD或TGA/PDA病儿就诊较晚、年龄较大，肺动脉压力较高等特点，如心导管检查显示肺小动脉阻力不高，ASO仍可获得满意的疗效。     

肺动脉窦壁"L"形切口冠状动脉移植在大动脉调转术中的应用

目的 总结肺动脉窦壁"L"形切口行冠状动脉移植在大动脉调转术中的应用体会.方法 采用在肺动脉窦壁做"L"形切口的方法行大动脉调转术(ASO)治疗心室大动脉连接异常病儿25例,其中4例为快速两期ASO治疗,男16例,女9例;年龄6d～66个月;体重2.5～15.0 kg,平均(4.7±2.9)kg.完全性大动脉转位(D-TGA)19例,其中室间隔完整型(TGA-IVS)10例,室间隔缺损(TGA-VSD)9例;右室双出口伴肺动脉瓣下室间隔缺损(Taussig-Bing,TBA)6例.术中冠状动脉移植采用在相应邻近的肺动脉窦壁做"L"形切口,形成"门板状"活瓣的方法.结果 全组手术中开放升主动脉后心脏自动复跳,未发现心肌缺血的心电图和临床表现.术后早期循环均稳定.术后早期死亡4例,均与冠脉移植无明确关系.结论 采用"L"形切口进行冠脉移植,可以相对增加冠状动脉的长度,减少游离冠状动脉范围,减小张力,同时可以减轻冠状动脉移植后的扭曲.     

单个瓣窦发出冠状动脉的大动脉调转术

目的 评估单个瓣窦发出冠状动脉(CA)的大动脉调转术(ASO)手术效果.方法 1999年3月至2006年6月共行单个瓣窦发出冠脉的ASO 31例.包括完全性大动脉错位(TGA)伴室间隔缺损(VSD)27例,室间隔完整(IVS)的TGA 4例.其中单根CA开口于右瓣窦4例;LCA和RCA分别开口于右瓣窦15例;LCA在壁内走行与RCA分别开口于右瓣窦4例;单根CA开口于左瓣窦8例.术中采用冠状动脉button用"开门"或向后翻转90°,加心包片或动脉壁扩大的方法移植于新的主动脉根部.结果 术后死亡8例,病死率25.8%.随访2～5 年,2例残余分流自愈,2例肺动脉残余梗阻(压差30、56 mm Hg),所有病婴均无明显心肌缺血改变.结论 冠状动脉畸形移植是一种切实可行和减少移植后冠状动脉扭曲和变形的方法,并能减少术后心肌缺血,提高手术成功率.     

单中心11年大动脉调转术早期死亡及远期再手术分析

目的通过对大动脉调转术(ASO)患儿术后早期死亡和远期再手术分析, 探讨ASO的手术风险和远期再手术原因。方法回顾性分析2010年1月至2020年12月在上海儿童医学中心接受ASO手术治疗的患儿的临床资料及在该时间段内的随访资料, 分为室间隔完整型的大动脉转位(TGA/IVS)、大动脉转位合并室间隔缺损(TGA/VSD)、Taussig-Bing畸形(TBA)及二期ASO(Ⅱ-ASO)4组。采用χ2检验分析不同组别ASO术后的早期死亡比例、远期再手术率。结果本研究共纳入861例ASO手术患儿, 术后早期死亡108例(12.5%)。753例术后随访, 失访102例(13.5%, 102/753)。651例完成随访, 男352例, 女299例, 中位随访7.23(4.74, 9.37)年。66例(10.1%, 66/651)远期再手术治疗, 4例(6%, 4/66)再手术死亡。TGA/IVS 241例, 再手术24例(10%);TGA/VSD 256例, 再手术23例(9%);TBA 126例, 再手术18例(14.3%);Ⅱ-ASO 28例, 再手术1例(3.6%)。再手术原因包括:肺动...     

73例大动脉调转术非典型冠状动脉解剖类型分析

目的 分析73例大动脉调转术非典型冠状动脉解剖类型,从临床角度探讨其分类和描述.方法 2001年1月至2008年12月,采用大动脉调转术治疗完全性大动脉转位伴室间隔缺损型(TGA/VSD)38例,完全性大动脉转位伴室间隔完整型(TGA/IVS)35例.根据术中所见冠状动脉解剖,采用Leiden分类标准进行分类,图例参考Marie-Lannelongue医院绘制图例制作.结果 非典型冠状动脉17例,发生率约23%,其中TGA/VSD 10例,TGA/IVS 7例.根据Leiden分类标准可分9类,但有12种描述,7例Leiden标准尚不能准确的分类或全面的描述.结论 TGA 病儿非典型冠状动脉的发生率较高,类型多样,其中有较多的解剖类型Leiden标准尚不能准确描述,为便于临床手术操作,对于非典型冠状动脉的解剖最好足Leiden分类结合补充描述的方法.     

双调转术纠治小儿纠正型大血管错位伴肺动脉狭窄

目的 分析和评估纠正型大血管错位伴肺动脉狭窄病儿采用双调转(Double-Switch)手术的治疗效果.方法 2001年8月至2008年12月采用Double-Switch手术行纠正型大血管错位伴肺动脉狭窄21例.其中男11例,女10例;年龄3.5个月至6.3岁,平均(31±18)个月;体重6～28 kg,平均(13.1±6.5)kg.室间隔缺损(VSD)为膜周型15例,远离大动脉1例,肺动脉下5例.轻度二尖瓣反流2例,中度反流2例.采用Senning+Rastelli手术方法 .13例右心室与肺总动脉的连接采用牛颈静脉管道.结果 全组均生存.体外循环转流156～287 min,平均(202.0±35.8)min;主动脉阻断93～161min,平均(138.0±19.8)min.均无完全性房室传导阻滞.随防2～5年,上腔静脉流速增快3例(1.8～2.2)m/s,其中1例术后2.6年再次手术解除上腔静脉梗阻,余2例在随防中;肺静脉回流均无明显梗阻;牛颈静脉管道通畅,解剖右室流出道连接处梗阻2例,压力阶差在30～45 mm Hg(1 mm Hg=0.133kPa),尚在随防中.结论 Double-Switch手术纠治纠正型大血管错位伴肺动脉狭窄的复杂型先心病,取得了较好效果,但仍需进一步随访,以观察这类复杂手术方法 的长期疗效.     

动脉转位术的临床应用

目的 总结动脉转位术(arterial switch operation，ASO)治疗完全型大动脉转位(transposition of the great arteries，TGA)和右心室双出口伴肺动脉瓣下室间隔缺损(VSD)的临床经验。方法 采用ASO治疗小儿先天性心脏病32例，其中TGA22例，伴室间隔完整型(intact ventricular septum，IVS)9例，伴VSDl3例；右心室双出口伴肺动脉瓣下VSD(Taussig—Bing)10例。结果TGA／IVS9例中死亡1例，TGA／VSD13例中死亡4例，Taussig-Bing10例死亡3例，总手术死亡率25％(8／32)。术后随访3个月～2年，所有患者紫绀消失，活动能力明显增强。1例Taussig—Bing术前二尖瓣轻-中度反流，术后仍为中度反流；2例TGA主动脉和肺动脉瓣上狭窄，压差40mmHg(1kPa=7．5mmHg)，1例肺动脉瓣下狭窄和残余VSD，3个月后再次手术治愈。结论 ASO已广泛应用于TGA的纠治，手术效果满意；应用于右心室双出口肺动脉瓣下VSD的早期纠治，不但可防止发生肺血管阻塞性病变，而且避免了心内修补左心室流出道梗阻的远期并发症。     

The optimal procedure for the great arteries and left ventricular outflow tract obstruction. An anatomical study.

OBJECTIVE: To describe the optimal surgical strategy in heart specimens with transposition of the great arteries (TGA) and left ventricular outflow tract obstruction (LVOTO). METHODS: Thirty-three specimens with LVOTO were selected: TGA with intact ventricular septum (TGA/IVS) (10), TGA/VSD (21), and Taussig-Bing (2). RESULTS: LVOTO in TGA/IVS consisted of combinations of bicuspid pulmonary valve (four), subpulmonary fibrous ridge (four), obstructive muscular conus (two) and bulging muscular septum (four). Arterial switch operation (ASO) with LVOTO resection/valvotomy was feasible in nine hearts. Obstructive anterior papillary muscle prohibited LVOTO relief in one specimen. In TGA/VSD and Taussig-Bing LVOTO consisted of combinations of bicuspid (nine) or unicommissural (one) pulmonary valve, fibrous ridge (three), obstructive muscular conus (five), malaligned outlet septum (six), accessory mitral valve tissue (two), straddling mitral valve (two) and anterior mitral valve rotation (four). VSDs were subpulmonary in 13 (9 perimembranous, 4 muscular), subaortic in 3 (2 perimembranous, 1 anterior muscular), doubly committed in 2, inlet in 3 (2 perimembranous, 1 muscular), non-committed and anterior in 1, and finally 1 VSD extended both into inlet and subpulmonary outlet septum. LVOTO resection and ASO with VSD closure was possible in 10. In six specimens, both a Rastelli and a Nikaidoh operation were feasible. For two hearts, a Nikaidoh procedure was the only option, while Rastelli was considered optimal in another specimen. Mitral valve anomalies prevented LVOTO relief in four, only permitting for Senning/VSD closure (one) or univentricular palliation (three). CONCLUSIONS: LVOTO resection and pulmonary valvotomy frequently permits an ASO. Inlet VSD, impossibility of VSD enlargement, straddling mitral valve, distant aorta and small right ventricle make the Nikaidoh procedure the best option. Mitral anomalies preventing LVOTO relief can make biventricular repair impossible.     

Surgical management of transposition of the great arteries

From January 1983 through December 1991 470 patients underwent an arterial switch operation (ASO). 281 (59.7%) had transposition of the great arteries (TGA) with intact ventricular septum (IVS) and 189 (40.3%) had a ventricular septal defect (VSD). The overall hospital mortality for ASO was 6.3%, but 0.6% (1/155) in the last 155 consecutive patients with TGA/IVS. Of 9 late deaths (1.9%) 5 were due to coronary artery obstruction. 2 were found related to pulmonary vascular obstructive disease and 2 were unrelated to ASO. Cardiac catheterization in 244 late survivors revealed postoperative, supravalvular pulmonary stenosis in 2% of patients. Residual shunts on ventricular levels greater than QP/QS=1.5/1.0 were measured in 4 patients. No regional wall motion abnormalities were detected and left ventricular function appeared normal in all patients 2 years after surgery. One year after surgery 98% of patients presented in sinus rhythm. The favourable early and midterm results of the ASO as a primary operation continue to make it the preferred approach for the neonate with TGA/IVS and TGA/VSD whenever possible. The rapid two-stage approach (preliminary pulmonary artery banding and shunt followed by ASO after 7 days) is applicable for older patients with TGA/IVS.     

动脉调转术不同年龄手术效果的对比——附142例错过最佳手术年龄者治疗经验

目的 探讨大动脉转位(TGA)病儿接受动脉调转手术(ASO)时年龄对手术效果的影响.方法 2000年5月至2008年9月,264例rIGA病儿行ASO.男194例,女70例;年龄·l d一19岁.其中室隔完整型TCA('rcAJrvs)84例;年龄≤2周28例,>2周56例.伴室隔缺损TCA(TCAJVSO)130例,Tams-ing-B~畸形(TBA)50例,其中≤6月94例,>6月86例.符合最佳手术年龄(≤2周TCA/IVS,≤6个月TGA/IVSD、TBA)者122例,错过最佳手术年龄者(>2周TCA/IVS,>6个月TGA/VSD、TBA)142例.手术方法:18例>2周TGA/IVS先期行左室训练,4例>6个月TGA/VSD先期行肺动脉环缩,余者均一期行ASO,同期矫治合并畸形.结果 全组手术死亡26例,病死率9.85%.平均随访(29.5±7.6)个月,2例分别于术后2个月和1.5年猝死,l例术后1.5年因肺动脉吻合口狭窄再次手术,余者心功能明显改善.无死亡和远期并发症发生.符合最佳手术年龄者病死率13.1l%;错过最佳手术年龄者病死率7.04%.2006年后(共154例),TGA病儿病死率由19.09%降至3.25%(P<0.05),符合最佳手术年龄者由22.64%降至5.80%(P<0.05),错过最佳手术年龄者由15.79%降至1.18%(P<0.05).结论 ASO应用于错过最佳手术年龄TCG者亦可取得满意效果.     

What is necessary for improvement of arterial switch operation?

We report long-term results of the arterial switch operation (ASO) and postoperative complications related to operative procedure. Between 1998 and 2007, ASO were performed in 42 patients [transposition of the great arteries (TGA) with intact ventricular septum:21, TGA with ventricular septal defect (VSD):13, Taussig-Bing anomary (TBA):7, and double outlet right ventricle with noncommitted VSD:1]. Hospital death occurred in 1 patient (2.4% mortality rate) due to low cardiac output syndrome (LOS) caused by prolonged aortic clamp, who had TGA with VSD, coactation of aortic arch and right ventricular outflow obstruction. Four patients required re-operation (freedom from re-operation rate was 84.7%). Two had pulmonary stenosis and 1 needed right ventricular outflow tract (RVOT) reconstruction with transannular patch. His pulmonary valve used for previous VSD closure was diminished. The other required muscle resection of RVOT. Five patients presented grade II or more neo-aortic insufficiency and 2 of them were TBA. Both these TBA, rerouting of left ventricular outflow tract (LVOT) to the aorta was challenging, they showed LVOT obstruction postoperatively. One underwent aortic valve plasty and the other had residual VSD closure. None had coronary event or abnormality in coronary arteriography. Selection of surgical procedure should be based on morphologic features in order to improve surgical outcome.     

Fate of the aortic root after arterial switch operation.

OBJECTIVE: Concerns have been voiced about possible dilation and insufficiency of the neo-aortic valve after the arterial switch operation (ASO). AIMS: To determine growth of the neo-aortic valve and the aortic anastomosis after ASO and the prevalence of insufficiency or stenosis. PATIENTS AND METHODS: Since 1977, 144 consecutive patients (pts) underwent ASO for transposition of the great arteries (TGA). Median follow-up was 8.65 years (0.1--22.5 years). Simple TGA was present in 97 pts and 47 had TGA with ventricular septal defect (VSD). Detailed echocardiography included measurements of aortic diameter at four levels. The 608 measurements were compared with published normal values. RESULTS: The mean aortic valve z-score was 1.5, without significant change with age (P=0.75). Under 4 months, mean valve z-score was 0.63+/-2.20, between 5 and 12 months 2.56+/-2.30 (P<0.0001). Gradual growth occurs thereafter. The aortic sinus follows an identical growth pattern. The aorta at the anastomosis, is initially smaller than normal (z-score -0.64). After 4 months the z-score is 0.83, followed by continued growth of 0.1 z-score per year. At the last visit, the aortic valve z-score was above 2 in 51 patients, between -2 and 2 in 72 and less than -2 in six patients, none of whom had a flow velocity above 2 m/s. z-score of patients with VSD remained above those without VSD (P<0.0001).Aortic insufficiency was grade 2/4 in three patients, grade 3/4 in one and grade 4/4 in one. No patient developed aortic stenosis. CONCLUSION: After ASO the neo-aortic valve and sinus are larger than normal, representing the natural size difference in the prenatal situation and influence of associated cardiac malformations. In the first year of life, rapid dilatation of the new aorta is observed, followed by growth towards normalization of the valve and sinus size. Stenosis at the anastomosis was not observed. Aortic dilatation by itself is rarely associated with significant insufficiency.