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目的:探讨42例室间隔缺损(VSD)封堵术前、后心电图的改变.方法:42例VSD患者在x线透视、经胸超声的监测下建立股动静脉轨道,经右心系统释放封堵器.对所有患者封堵术术前、术后即刻、3、7 d、直至出院后1,2个月的12导联心电图作连续观察和分析.结果:42例患者术后即刻出现Ⅰ度房室传导阻滞(AVB)4例、Ⅱ度AVB 1例、不完全性右束支传导阻滞(IRBBB)3例.3 d出现IRBBB 3例、完全性右束支传导阻滞(CRBBB)2例、Ⅰ度AVB 4例、Ⅱ度AVB 1例;术后7 d出现IRBBB 4例、CRBBB 3例、出现左束支传导阻滞2例、Ⅲ度AVB 2例.所有AVB经治疗后均痊愈.结论:VSD封堵术过程中可能会对房室传导产生一定影响. 相似文献
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彩色多普勒超声心动图对室间隔缺损并发畸形的诊断价值 总被引:3,自引:1,他引:2
目的 :探讨超声心动图检测室间隔缺损 (室缺 )并发畸形的价值。方法 :将手术证实的室缺并发畸形与超声检查进行比较 ,分析超声检测敏感度、特异度及准确度。结果 :超声心动图检出室缺并发畸形的敏感度为 5 8.8% ,特异度 92 .9% ;准确度 80 .6 %。结论 :室缺并发卵圆孔未闭及并发右室流出道较易漏诊 ,其他一些少见并发畸形多因主观忽视而漏诊。注意全面扫查及改善检查技巧有助于提高室缺并发畸形的检出和减少误诊。 相似文献
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室间隔缺损为小儿时期常见的先天性心脏病。其发病率约占先天性心脏病总数的20%~30%,可单独存在也可与其他畸形并存。本文主要分析49例单纯室间隔缺损的心电图特点,现报道如下。1资料与方法1·1一般资料选择1999年2月~2004年2月在本院诊治的室间隔缺损患儿49例,年龄6个月~11岁,其中男26例,女23例。1·2方法按中华医学会规定的诊断标准进行常规12导联同步心电图检查,经彩色多普勒超声心动描记术确诊。2结果2·1心电图正常者15例,大致正常者10例,呈左心室肥厚者9例,双心室肥厚者11例,单纯右心室肥厚者4例。2·2心电图正常或大致正常患儿缺损平… 相似文献
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目的:探讨实时三维彩色血流显像技术(RT 3D)定位诊断室间隔缺损(VSD)的临床价值。方法:对59例VSD患者行二维(2D)、RT 3D定位诊断,并与手术结果比较。结果:实时三维灰阶成像结合 RT 3D使 59例VSD患者均获得较满意的图像;其定位诊断结果的符合率(86.44%)与 2D超声定位诊断的符合率(83.05%)之间差异无统计学意义 (P>0.05)。结论:RT 3D能清晰显示缺损与毗邻结构的空间关系,为VSD的定位诊断提供一种有价值的新方法。 相似文献
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肌部室间隔缺损封堵剖析 总被引:2,自引:0,他引:2
目的:探讨肌部室间隔缺损封堵的超声心动图筛选适应证及价值。方法:应用HPsonos1500和5500彩色超声诊断仪检查12例拟行封堵术的患者,观测左右室侧缺损口大小、缺损残端距主动脉瓣和三尖瓣的距离。结果:9例封堵成功,左右室侧缺损口大小差异显著,分别为8.5±2.6(6.0~14.0)mm及6.1±1.2(4.0~7.0)mm,残端距主动脉右瓣距离6.0~13.0mm,距三尖瓣7.0~15.0mm,室缺多位于室间隔中部或调节束上方。3例封堵不成功,2例室缺口较大且左右室面大小相同,位于右室流入道部,放置封堵器时因出现Ⅲ度房室传导阻滞而放弃。另1例右室侧缺损口过小,造成穿隔失败。结论:用超声心动图筛选适应证对肌部室间隔缺损封堵成功与否有重要的作用。 相似文献
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彩色多普勒超声心动图在室间隔缺损封堵术中的应用价值 总被引:5,自引:0,他引:5
目的:探讨彩色多普勒超声心动图(CDE)在室间隔缺损(VSD)封堵术中应用价值。方法:应用CDE封堵术前选择适应证,术中监视封堵器释放过程,术后判断封堵术疗效,远期随访。结果:应用CDE选择187例VSD,186例封堵成功,1例封堵器术中脱落,成功率99.5%。术后CDE复查发现2例过室间隔少量残余左向右分流。CDE随访3个月发现1例封堵器移位。CDE选择适应证是:①右室面VSD直径≥2mm,<10mm。②VSD边缘距主动脉瓣≥1mm,轻度以下主动脉瓣关闭不全,无主动脉瓣脱垂。③VSD边缘距三尖瓣隔叶≥2mm,中度以下三尖瓣关闭不全。④并发能介入治疗的畸形,如动脉导管未闭、继发孔房间隔缺损、卵圆孔未闭和肺动脉瓣狭窄。手术中CDE监测封堵器释放过程是:①心尖四腔心切面确定封堵器导管在左心室内。②胸骨旁五腔心切面确定封堵器位于室间隔的左右心室侧的位置,封堵器中间有室间隔回声。③确定封堵器不影响主动脉瓣和三尖瓣功能。④封堵器到位后彩色多普勒血流显像(CDFI)没有显示或显示微量过室间隔分流束血流信号。封堵术后判断疗效:①封堵器不移位。②CDFI没有显示过室间隔分流束血流信号。③主动脉瓣和三尖瓣功能正常。结论:CDE在VSD封堵术中具有重要临床价值,术前选择适应证,术中监视封堵器释放过程,术后判断封堵术疗效,远期随访,其它检查方法不可能与CDE媲美。 相似文献
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目的探讨膜周部室间隔缺损(VSD)自然愈合的超声心动图表现及观察方法。方法9例门诊常规检查患者,男4例,女5例,年龄1~6(3.4±2.0)岁。详细询问病史,常规多切面超声心动图检查,结合二维、彩色多普勒血流图、连续多普勒频谱技术综合检查。结果9例患者均呈现膜周部室间隔缺损自然愈合的表现,二维切面表现为室间隔膜周部左心室侧可见清晰回声中断,而右心室侧可见膜状回声覆盖,连续完整。多普勒检查,其中7例未探及室间隔分流,2例室间隔微量分流(≤1mm)。结论超声心动图可以对膜周部室间隔缺损自然愈合作出明确诊断。 相似文献
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膜周部室间隔缺损合并三尖瓣反流的机制探讨 总被引:1,自引:0,他引:1
目的通过术前、术后超声心动图和彩色多普勒检查及手术所见,评价及明确膜周部室间隔缺损合并三尖瓣反流的机制.方法通过13例膜周部室间隔缺损合并三尖瓣反流的临床资料,经胸超声心动图术前诊断及术后复查,结合术中所见,观察膜周部室间隔缺损和三尖瓣反流的关系.结果所有病例均为中等膜周部室间隔缺损,中等量的左向右分流,心室收缩期,二维超声心动图可见典型的三尖瓣前向运动及三尖瓣呈开放状态.彩色多普勒血流显象,大多数病例表现为经室缺的部分穿隔血流被隔瓣阻挡,但主要血流经三尖瓣隔瓣下缘穿过,冲击到三尖瓣的前瓣,导致三尖瓣反流.室缺修补后,三尖瓣反流消失.结论膜周室缺的穿隔血流可导致膜周室缺合并三尖瓣反流.二维超声心动图及彩色多普勒血流显象发现该现象,这是外科手术修补室缺的良好指征. 相似文献
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Krishna Kumar Mohanan Nair Narayanan Namboodiri Hiren Kevadiya Ajitkumar Valaparambil 《Journal of the Saudi Heart Association》2018,30(3):294-296
A 30-year-old man with no structural heart disease has been evaluated for paroxysmal palpitation with documented regular narrow QRS tachycardia that has not responded to intravenous adenosine. Surface electrocardiogram has not shown any pre-excitation. He has been taken for an electrophysiology study after informed consent. Diagnostic catheters were placed at the coronary sinus, His bundle region, and right ventricle. During catheter manipulation a regular narrow QRS tachycardia with incomplete right bundle branch block morphology and normal QRS axis similar to the clinical tachycardia got induced. No other tachycardia was induced. What is the mechanism of tachycardia? 相似文献
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Andrs R. Prez‐Riera Raimundo Barbosa‐Barros Rodrigo Daminello‐Raimundo Luiz Carlos de Abreu Kjell Nikus 《Annals of noninvasive electrocardiology》2019,24(2)
Down syndrome occurs more frequently in the offsprings of older pregnant women and may be associated with atrioventricular septal defect. This refers to a broad spectrum of malformations characterized by a deficiency of the atrioventricular septum and abnormalities of the atrioventricular valves caused by an abnormal fusion of the superior and inferior endocardial cushions with the midportion of the atrial septum and the muscular portion of the ventricular septum. 相似文献
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目的探讨经导管介入封堵治疗室间隔缺损(VSD)术中及术后房室传导阻滞(AVB)的发生、发展、转归与防治。方法2005年3月至12月,共行VSD介入封堵术157例,术中及术后发生Ⅱ度及以上AVB8例。其中术中发生Ⅲ度AVB2例,术后予静脉注射糖皮质激素治疗;术后发生Ⅱ度AVB3例,Ⅲ度AVB3例,发生时间为术后4h至术后第8天,其中2例伴阿-斯综合征,1例给予临时起搏治疗,其余给予静脉注射糖皮质激素、利尿、脱水等治疗。结果2例术中发生Ⅲ度AVB的患者术后未再出现AVB;3例术后发生Ⅲ度AVB的患者分别于术后第7、8、18天恢复窦性心律,但有2例出院后再次出现Ⅲ度AVB,1例经转回我院积极治疗后恢复窦性心律,另外1例因院外治疗不及时,未能恢复;3例Ⅱ度AVB分别于术后第5、7、8天完全恢复,期间均出现Ⅱ度Ⅰ型和Ⅱ度Ⅱ型交替现象。结论AVB是VSD介入封堵术中及术后的常见并发症。对于AVB应积极治疗,若治疗不及时可能会转为永久性AVB。改进和提高导管技术及操作方法,可在一定程度上减少AVB的发生。 相似文献
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Andrés Ricardo Pérez-Riera Raimundo Barbosa-Barros Marianne Penachini da Costa de Rezende Barbosa Rodrigo Daminello-Raimundo Luiz Carlos de Abreu 《Journal of electrocardiology》2018,51(1):145-149
The left septal fascicular block (LSFB) or blockage of the middle fibers of the left bundle branch is probably caused mainly by - in the developed world - the proximal obstruction of the left anterior descending artery (LAD) before its first anterior septal perforator branch (S1). The association of transient LSFB and left anterior fascicular block (LAFB) - left bifascicular block - and the electrocardiographic type 1 Brugada pattern (BrP) has not been described in the literature yet. 相似文献
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钱智勇;薛思源;曾嘉欣;王垚;张新尉;侯小锋;邹建刚;范桂娟 《中华心律失常学杂志》2024,28(04):291-296
目的 探讨左束支夺获与否对房室传导阻滞患者心脏收缩功能的影响。 方法 本研究为回顾性队列研究。入选左束支起搏(LBBP)和左心室间隔部起搏(LVSP)患者基线和末次随访的超声心动图等资料,所有患者随访时间≥6个月且心室起搏比例≥20%。对比两组患者左心室内径和左心室射血分数(LVEF)等指标。 结果 共入组71例患者,男37例,年龄(67.6±12.2)岁,根据术中资料判断有无左束支夺获分为LBBP组(51例)和LVSP组(20例)。心室起搏比例为91.6%±17.5%。LBBP组单极3.0 V/0.5 ms起搏下的左心室达峰时间(LVAT)明显短于LVSP组[(71.3±9.3)ms对(82.2±9.7)ms, P<0.001],LBBP组起搏QRS时限明显窄于LVSP组[(140.1±17.6)ms对(151.0±21.7)ms, P=0.031]。随访(22.3±15.8)个月,LBBP组患者LVEF较基线无明显改变;LVSP组患者LVEF较基线下降(63.0%±4.3%对59.4%±7.1%, P=0.044),差异有统计学意义。LBBP组的LVEF改变值(-0.3%±4.2%对-3.6%±7.5%, P=0.021)和左心室收缩末期内径(LVESD)改变值[(-1.6±3.2) mm对(0.4±3.8) mm, P=0.031]明显优于LVSP组。LBBP组和LVSP组中分别有1例和3例患者LVEF下降超过10%且最终LVEF≤50%,其中LVSP组的1例患者死于心力衰竭。 结论 对于心功能正常的患者,LBBP可以有效保护心脏收缩功能,而LVSP可引起心室收缩能力下降。 相似文献
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Hani K. Najm 《Journal of the Saudi Heart Association》2009,21(4):209-213
Introduction
A better understanding of the morphology of complete atrioventricular septal defects (CAVSD) has impacted on surgical techniques and results. On some occasions the leaflet tissue is deficient and repair becomes difficult which leads to atrioventricular valve (AVV) regurgitation following the surgical repair of the AVSD.Objectives
This study was conducted to evaluate a modified technique in which two patches where used to close the complete atrioventricular septal defect (CAVSD) with augmentation of the left atrioventricular valve (AVV) with the ventricular septal defect (VSD) patch.Methods
The technique was performed on 105 infants with CAVSD at a mean age of 11.7 ± 23 months (median 5.7, range 1–135). Both superior and inferior bridging leaflets are divided routinely to expose the VSD. An autologous pericardial patch, sized precisely, is sutured to the ventricular septum. A 3–4 mm of extra patch is fashioned beyond the plane of the annulus and sutured to the divided leaflet of the left AVV. A second autologous pericardial atrial patch is attached to the body of the VSD patch at the plane of the annulus allowing 3–4 mm of the VSD patch to augment the left AV valve.Results
There was one early death among these infants. At early postoperative echo all infants had no significant residual lesions. The contribution of the patch-augmented left AV valve to competency is clearly seen by two-dimensional echocardiography. At a mean follow up of 27 ± 10 months there were two late deaths with normal last echocardiography. There were only two children who progressed to severe left AV valve regurgitation needing reoperations.Conclusions
This modified technique yields good anatomical repair. Allowing reconstruction of both AV valves independent of the other and is in particular helpful in cases of deficient left AVV tissue. 相似文献18.
Riera AR Kaiser E Levine P Schapachnik E Dubner S Ferreira C Ferreira Filho C de Luna AB Zhang L 《Journal of electrocardiology》2008,41(6):675-678
The Kearns-Sayre syndrome is a neuromyopathic disorder associated with mitochondrial abnormalities and characterized by the triad of chronic external ophthalmoplegia, atypical pigmentary retinopathy, and progressive conduction system disorders. Ragged red muscle fibers that seem to contain an excess of altered mitochondria are observed. The disease affects both sexes alike, during the first or the second decade of life.The following manifestations are observed: central bilateral sensorineural deafness, pyramidal signs, ataxia, asymmetrical ptosis, external ophthalmoplegia, and progressive muscular weakness secondary to myopathy associated with a significant increase of proteins of cephalorachidian liquid. A variety of endocrinopathies may occur. 相似文献
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目的:总结双心室矫治完全型房室间隔缺损合并右心室双出口或法洛四联症(CAVSDDORV/TOF)的外科经验。方法:全部患者均按常规体外循环方法中低温(28℃~32℃)下手术。11例采用右心房-右心室径路,2例单纯右心房径路。应用逗号状补片修补VSD,其中双片法10例,单片法3例。5例采用单纯补片扩大右心室流出道(RVOT),4例行跨环补片,2例行右心室-肺动脉连接术(Rastelli),1例单纯扩大主肺动脉,1例仅行肺动脉瓣交界切开。结果:2例死亡,均为CAVSD-DORV,VSD远离大动脉,合并镜面右位心。11例存活患者出院前超声心动图检查示左、右心室流出道无狭窄,房室瓣成形满意。10例患者随访3~77个月,心功能均为NYHA I级或II级,无再次手术发生。结论:双心室矫治CAVSD-ROVR/TOF近期及中期效果满意,可作为首选手术策略。采用右心房-右心室径路,应用逗号状补片双片法修补室缺以及精细的房室瓣成形是提高手术成功率,减少并发症的关键。 相似文献
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刘燕青;赵青;赵亮;王茂敬;蔡尚郎;范桂娟 《中华心律失常学杂志》2021,25(02):151-155
目的 将左束支起搏(LBBP)与右心室间隔部起搏(RVSP)的电-机械同步性及临床预后进行对比,评估三度房室传导阻滞患者行LBBP治疗的可行性及安全性。 方法 入选青岛大学附属医院心血管内科2019年1月至2020年3月行三度房室传导阻滞并需永久起搏治疗的患者100例,用随机数字表法将患者随机分成LBBP组和RVSP组,分别行相应起搏治疗。随访并比较两组患者的左心室12节段收缩速度峰值时间(Ts)标准差(Tsd-12-LV)、左心室侧壁基底段与右心室游离壁基底段Ts之差(Ts-LV-RV)、左心室充盈时间与RR间期比值(LVFT/RR)、左心室射血分数(LVEF)、左心室舒张末期内径(LVEDD)、QRS时限(QRSd)、QTc间期(按心率校正的QT间期)、起搏参数。 结果 ①成功实施LBBP 50例,RVSP 50例,术后随访起搏阈值、感知及阻抗变化均稳定,且组间差异无统计学意义。②与术前相比,LBBP组术后6个月QRSd[(110.00±10.96) ms对(120.22±22.61) ms]、Ts-LV-RV[(33.88±5.50) ms对(38.68±10.33) ms]、LVFT/RR[(42.38%±3.57%)对(54.54%±5.62%)]较术前改善,差异有统计学意义(P<0.05),LVEF、LVEDD、Tsd-12-LV、QTc间期较术前差异无统计学意义(P>0.05);RVSP组术后6个月LVEDD、LVEF、Ts-LV-RV、QTc间期较术前差异无统计学意义(P>0.05),LVFT/RR较术前改善,差异有统计学意义(P<0.01),QRSd、Tsd-12-LV较术前增加,差异有统计学意义(P<0.05)。③所有患者随访期内未出现心肌穿孔、囊袋出血及导线脱位等并发症,无再发心力衰竭、快速性心律失常住院或死亡等相关事件。 结论 对于三度房室传导阻滞患者,LBBP术中及半年随访起搏参数稳定,且在改善电-机械同步性方面优于RVSP。 相似文献