Magnetic Resonance Imaging (MRI) Assessment of Ventricular Remodeling after Myocardial Infarction in Rabbits

Hu Norman; Sabey Kyle H; Curtis Heather R; Hoang Nguyen; Dowdle Spencer B; Garzarelli Aida A; Buswell Henry R; DiBella Edward; Yockman James W; Bull David A

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Magnetic Resonance Imaging (MRI) Assessment of Ventricular Remodeling after Myocardial Infarction in Rabbits

机译：磁共振成像（MRI）评估兔心肌梗死后心室重构

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Tounderstandthestructure#8211;functionrelationshipinthepostinfarctedmyocardiuminrabbits,weinducedcardiacischemiabyligatingtheleftcircumflexcoronaryartery.Shamcontrolsunderwentthoracotomyonly.At7and30dafterligation,cardiacMRIwasconductedbyusingpulse-oxymetry#8211;gatedcineacquisitiontoprovidecompletephasesoftheheartbeat.Therabbitswereanesthetizedunder1.5%isofluraneventilation,andultrafasttechniquesmadebreath-hold3Dcoverageindifferentcardiacaxesfeasible.Viabilityimagingwasperformedafterintravenousinjectionof0.15mmol/kggadoliniumtoassesstheextentofinfarction.Data(n#8805;6)arepresentedasmean±SEMandanalyzedbyANOVAandANCOVA.Inpostligationrabbits,end-systolic(mean±SEM,2.3±0.3mL)andend-diastolic(4.2±0.4mL)volumeswereincreasedcomparedwithpreligationvalues(end-systolic,1.1±0.1mL;end-diastolic,2.98±0.2mL).Ejectionfractionwasinfluencedadverselybythepresenceofscartissueatboth7and30dafterligationandapparentlynonlinearwiththeheartrate.Cardiacforcewasincreasedinthebasalregioninbothend-systoleandend-diastoleinpostligationheartsbutprogressivelydecreasedtowardtheapex.Lategadoliniumenhancementdelineated15.2±5.8%myocardialinfarctionat7dafterligationand14.5±5.8%at30d,withlimitedwallmotionandwallthinness.Compensatorywallthickeningwaspresentinthebasalregionwhencomparedwiththatinpreligationhearts.MRIoffersdetailedspatialresolutionandtissuecharacterizationaftermyocardialinfarction.

机译：Tounderstandthestructure＃8211; functionrelationshipinthepostinfarctedmyocardiuminrabbits，weinducedcardiacischemiabyligatingtheleftcircumflexcoronaryartery.Shamcontrolsunderwentthoracotomyonly.At7and30dafterligation，cardiacMRIwasconductedbyusingpulse-血氧＃8211; gatedcineacquisitiontoprovidecompletephasesoftheheartbeat.Therabbitswereanesthetizedunder1.5％isofluraneventilation，andultrafasttechniquesmadebreath-hold3Dcoverageindifferentcardiacaxesfeasible.Viabilityimagingwasperformedafterintravenousinjectionof0.15mmol / kggadoliniumtoassesstheextentofinfarction.Data（N＃8805; 6）arepresentedasmean±SEMandanalyzedbyANOVAandANCOVA.Inpostligationrabbits，收缩期末（平均±SEM，2.3±0.3mL）和舒张末期（4.2±0.4mL）的体积与预调值（收缩末期（1.1±0.1mL）;舒张末期（2.98±0.2mL））相比有所增加。心律的出现和结果均表明，收缩率对心律的影响和对结局的线性影响均不显着.7结扎后心脏逐渐向心尖降低。在结扎后第7天，ga增强心肌梗死的幅度为15.2±5.8％，在第30天时为14.5±5.8％，心肌的壁厚和壁厚有限。

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《Comparative Medicine》 |2012年第2期|共页
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Hu Norman; Sabey Kyle H; Curtis Heather R; Hoang Nguyen; Dowdle Spencer B; Garzarelli Aida A; Buswell Henry R; DiBella Edward; Yockman James W; Bull David A;
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中图分类畜牧、动物医学、狩猎、蚕、蜂;
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1. Magnetic Resonance Imaging (MRI) Assessment of Ventricular Remodeling after Myocardial Infarction in Rabbits Response [J] . Hu Norman Comparative Medicine . 2013,第3期

机译：磁共振成像（MRI）评估兔心肌梗死后心室重构的反应
2. Magnetic Resonance Imaging (MRI) Assessment of Ventricular Remodeling after Myocardial Infarction in Rabbits [J] . Comparative Medicine . 2013,第3期

机译：磁共振成像（MRI）评估兔心肌梗死后心室重构
3. Magnetic Resonance Imaging (MRI) Assessment of Ventricular Remodeling after Myocardial Infarction in Rabbits [J] . Hu Norman, Sabey Kyle H., Curtis Heather R., Comparative Medicine . 2012,第2期

机译：磁共振成像（MRI）评估兔心肌梗死后心室重构
4. Left ventricular regional shape dynamics analysis by three-dimensional cardiac magnetic resonance imaging associated with left ventricular function in first-time myocardial infarction patients [C] . Wan Min, Kng Teo Soo, Yang Xulei, Annual International Conference of the IEEE Engineering in Medicine and Biology Society . 2014

机译：初次心肌梗死患者三维三维磁共振成像与左心功能相关的左心室局部动力学分析
5. Assessment of myocardial infarction using magnetic resonance imaging [D] . Yuan, Qing 2000

机译：磁共振成像评估心肌梗死
6. Magnetic Resonance Imaging (MRI) Assessment of Ventricular Remodeling after Myocardial Infarction in Rabbits [O] . 2013

机译：磁共振成像（MRI）评估兔心肌梗死后心室重构
7. MODERATED EPOSTERS1385Longitudinal strain assessment in dilated cardiomyopathy patients using a novel accelerated DENSE sequence1407Simultaneous T1 and T2 cardiac quantification with CABIRIA: initial clinical experience1423Head-to-head comparison of acceleration algorithms in 4-dimensional flow CMR1502Left ventricular function and size evaluated by hybrid cardiac positron emission tomography-magnetic resonance: Intraindividual comparison of left ventricular ejection fraction and ventricular volumes derived by two modalities1510Left Atrium assessed by Cardiovascular Magnetic Resonance at 1.5 and 3 Tesla – age and gender effects1514Comparison of Free Breathing Cardiac MRI Radial technique to the Standard Multi breath-hold cine SSFP CMR technique for the assessment of LV Volumes and Function1536Self-navigated free-breathing isotropic 3D whole heart phase sensitive inversion recovery magnetic resonance without navigator for detection of myocardial infarction1547Assessment of Right Ventricular Strain Using Myocardial Deformation Recovery Semi Automated Technique: Initial Experience and Normal Values1586Tissue tracking myocardial deformation analysis and prediction of left ventricular remodeling in acute myocardial infarction1589Investigating strategies for optimal 31P MRS clinical cardiac at 3T: Initial Results1620Quantitative Criteria for the Diagnosis of the Congenital Absence of Pericardium by Cardiac Magnetic Resonance1632Widespread tissue injury during acute myocardial infarction: evidence from advanced CMR relaxometry1322Computed tomography coronary angiography verSus sTRess cArdiac magneTic rEsonance for the manaGement of sYmptomatic revascularized patients: a cost effectiveness study (STRATEGY study)1339Comparison of low- versus high-dose of gadobutrol for late gadolinium enhancement imaging at 1.5 Tesla: a clinical feasibility study1347Multi-parametric Cardiac Magnetic Resonance for Prediction of Cardiac Complications in Thalassemia Intermedia: a Prospective Multicenter Study1461Prognostic value of Cardiovascular Magnetic Resonance derived indexes of myocardial fibrosis in heart transplant recipients1523The role of CMR in the acute phase of hospitalization: changing paradigms1542Preoperative CMR-based score predict ventricular response after surgical left ventricular reconstruction in ischemic heart failure patients1555Excellent response rate to cardiac resynchronization therapy guided with magnetic resonance imaging1626The ECG as a predictor of arrhythmogenic substrate on Cardiac Magnetic Resonance Imaging in patients undergoing ablation for premature ventricular contractions1649Comparison of T1-mapping at 3.0T CMR and angiographic APPROACH score for area at risk assessment in ST-segment elevation myocardial infarction1340Pathological correlates of left bundle branch disease in patients with non-ischemic cardiomyopathy: a cardiovascular magnetic resonance study1342Myocardial remodelling and fibrosis in nonischaemic dilated cardiomyopathy: insights from cardiovascular magnetic resonance1411The association between fibrosis and contractile dysfunction in hypertrophic cardiomyopathy assessed by cardiovascular magnetic resonance1622Persistent myocardial inflammation due to intramyocardial haemorrhage in reperfused STEMI as a precursor to adverse LV remodelling - insights from multi-parametric mapping1566Semiquantitative analysis of low and high b value DWI for detecting myocardial edema in acute myocarditis1567Value of Cardiac MRI In Detecting Coronary Artery Disease In Newly Diagnosed Systolic Dysfunction1570Usefulness of cardiac magnetic resonance in tuberous sclerosis complex1578Papillary muscles offer further insight into hypertrophied hearts: a cardiovascular magnetic resonance study1627Diagnostic and clinical implications of CMR timing (early versus late) in patients with troponin positive acute coronary syndromes and unobstructed coronary arteries: Table 1. [O] . Upasana Tayal, Alexandros Kallifatidis, P. Garg, 2016

机译：在使用新的扩张型心肌病的患者缓和EPOSTERS1385Longitudinal应变评估加速DENSE sequence1407Simultaneous T1和T2与CABIRIA心脏定量：在4维流动的加速算法初始临床experience1423Head对头比较CMR1502Left心室功能和尺寸由混合心脏正电子发射断层摄影术评价 - 磁性共振：由两个modalities1510Left庭派生左室射血分数和心室体积的个体间的比较，在1.5和3特斯拉评估心血管磁共振 - 免费的年龄和性别effects1514Comparison呼吸心脏MRI径向技术标准的多屏气电影SSFP CMR技术的LV卷和Function1536Self-导航自由呼吸各向同性3D整个心脏相位敏感反转恢复磁共振导航仪没有检测右Ventricu心肌infarction1547Assessment的评估拉尔菌株使用心肌变形恢复半自动技术：初步经验和正常Values1586Tissue跟踪心肌变形分析和预测左室重构急性心肌infarction1589Investigating策略优化31P MRS临床心脏在3T：初始Results1620Quantitative标准的先天缺失的诊断心包心脏磁Resonance1632Widespread组织损伤急性心肌梗死时：证据先进CMR relaxometry1322Computed CT冠状动脉成像与压力心脏磁共振对症的管理吻合血管患者：成本效益研究（战略研究）1339Comparison低与高剂量钆布醇在1.5特斯拉晚钆增强成像的临床可行性，在中间型地贫心脏并发症的预测study1347Multi参数心脏核磁共振的前瞻性德穆尔心血管磁共振的ticenter Study1461Prognostic价值衍生心肌纤维化指标在住院的急性期CMR的心脏移植recipients1523The作用：改变基于CMR-paradigms1542Preoperative比分预测缺血性心脏衰竭patients1555Excellent响应速度外科左心室重建心脏再同步化后心室反应治疗与磁共振imaging1626The ECG导引作为心脏磁共振成像致心律失常性基板的在ST段抬高心肌infarction1340Pathological在风险评估经历在3.0T CMR T1映射的室性早搏contractions1649Comparison和血管造影APPROACH分数区域消融患者的预测左束支传导疾病的患者与非缺血性心肌病相关因素：心血管磁共振study1342Myocardial重塑和纤维化nonischaemic扩张型心肌病：在从在由心血管磁性resonance1622Persistent心肌炎症评估肥厚型心肌病的纤维化和收缩功能障碍之间心血管磁性resonance1411The协会由于心肌内出血景点在再灌注STEMI为先导，以不利的LV重塑 - 从低的多参数mapping1566Semiquantitative分析和高的b值DWI的见解为在心脏MRI检测冠状动脉疾病急性myocarditis1567Value在结节性硬化症complex1578Papillary肌肉初诊收缩期Dysfunction1570Usefulness心脏磁共振检测心肌水肿提供进一步的深入了解肥大心脏：心血管磁共振study1627Diagnostic和CMR定时的临床意义（早期与晚）患者肌钙蛋白阳性的急性冠脉综合征和通畅的冠状动脉：表1。

Magnetic Resonance Imaging (MRI) Assessment of Ventricular Remodeling after Myocardial Infarction in Rabbits

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