Comprehensive CT Guided Coronary Artery Bypass Graft Surgery
综合 CT 引导冠状动脉搭桥手术
基本信息
- 批准号:10599842
- 负责人:
- 金额:$ 56.73万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2019
- 资助国家:美国
- 起止时间:2019-02-15 至 2025-01-31
- 项目状态:未结题
- 来源:
- 关键词:AlgorithmsAnatomyAngiographyAtherosclerosisBehaviorBlindedBlood VesselsBlood flowCardiacCaringCatheterizationCharacteristicsChest PainCicatrixClinicalCoronaryCoronary ArteriosclerosisCoronary Artery BypassCoronary OcclusionsCoronary VesselsCoronary heart diseaseDataDecision MakingDevelopmentDiagnosticDiffuseDiseaseDistalEffectivenessEvaluationFunctional ImagingFutureGoalsHealthImageImaging DeviceImaging TechniquesIndividualInfarctionIntuitionIschemiaKnowledgeKnowledge acquisitionLesionLifeLiquid substanceMachine LearningManualsMeasuresMissionModelingMorbidity - disease rateMyocardialMyocardial IschemiaMyocardial perfusionNatureOperative Surgical ProceduresOrganismOutcomePatientsPerformancePerfusionPhysiologyProceduresPublic HealthReportingReproducibilityResearchResidual stateResolutionSafetySeveritiesStenosisStressSymptomsTechniquesTestingTissuesUnited States National Institutes of HealthVascularizationVisualVisualizationX-Ray Computed Tomographyblood flow measurementclinical applicationclinical decision-makingclinical implementationclinical practicecohortcostdisabilityfunctional outcomeshemodynamicsimage guidedimprovedimproved outcomeinnovationmortalitynovel therapeuticsperfusion imagingpredictive modelingprospectiverestorationrevascularization surgerysimulationstandard caresurgery outcometoolvirtual
项目摘要
Project Summary
Coronary bypass graft surgery (CABG) improves the lives of patients with coronary disease (CAD) as a group,
but 20% of patients remain symptomatic one year after surgery. In clinical practice CABG decisions are largely
driven by stenosis severity determined from invasive angiography despite the known relevance of functional
CAD parameters. This practical impasse will continue to exist without clinically available, high-resolution,
quantitative functional imaging, and a better understanding of the clinical outcomes in relation to anatomical
(angiography) and functional (ischemia, scar tissue) factors. The long-term goal is to improve outcome of
CABG through personalized imaging-guided care. The overall objective of this proposal is to identify
determinants of myocardial flow restoration (ischemia reduction), and develop integrated imaging tools for
individualized, lesion-specific CABG decision-making, and computational flow simulations based on the
patient’s anatomy and function to predict the hemodynamic outcome. Supported by studies using invasive
FFR-guided CABG, the rationale for the proposed research is that integration of anatomical (angiography)
and functional information (ischemia, scar tissue) will identify individual coronary vessels that will benefit from
revascularization, and individual optimization of surgical procedures by flow simulations will maximize clinical
benefit of CABG for patients with CAD. Supported by promising preliminary data, three specific aims are
proposed: 1) Prospectively identify angiographic, functional and clinical baseline determinants of outcome
after CABG, defined as improvement of myocardial perfusion (ischemia reduction) and angina symptoms;; 2)
Develop and validate a comprehensive imaging strategy and clinically applicable tool that integrate high-
resolution angiographic and quantitative functional information (ischemia, viability) for per-vessel/lesion
revascularization decisions;; 3) Develop and validate new multi-parametric computational flow simulations,
with incorporation of functional imaging data, which allows for prediction of individual hemodynamic outcome
and ultimately surgical optimization based on virtual hemodynamic results. This approach is innovative
because new imaging techniques will advance the field’s understanding of CABG physiology, and new
clinically applicable tools will be developed for comprehensive clinical decision-making and optimized surgical
planning. The acquired knowledge and developed tools are applicable to other vascular contexts, and may
also be instrumental for new therapeutic innovations. The proposed research is significant because
identification of CABG outcome determinants, and new solutions for comprehensive decision-making and
procedural guidance, have the potential to improve the effectiveness (by complete functional
revascularization) and efficiency of CABG (by avoiding futile grafts). For a large group of patients, these
innovations will improve the patient-valued benefit of CABG (complications, symptoms), and also decrease
cost by improved efficiency of care.
项目摘要
冠状动脉旁路移植术(CABG)改善了冠心病(CAD)患者的生活,
但是20%的患者在手术后一年仍有症状。在临床实践中,
由侵入性血管造影确定的狭窄严重度驱动,尽管已知功能相关性
CAD参数。如果没有临床可用的高分辨率,
定量功能成像,并更好地了解与解剖相关的临床结局
(血管造影)和功能(缺血,瘢痕组织)因素。长期目标是改善预后,
通过个性化影像学进行冠状动脉旁路移植术-
心肌血流恢复(缺血减少)的决定因素,并开发用于
个体化的、病变特异性的CABG决策制定,以及基于
患者的解剖结构和功能来预测血流动力学结果。
血流储备分数-冠脉搭桥术,拟议研究的基本原理是解剖(血管造影)
和功能信息(缺血、瘢痕组织)将识别将受益于
血运重建和通过流动模拟进行的外科手术的个体优化将最大限度地提高临床
冠状动脉旁路移植术对冠心病患者的益处。在有希望的初步数据的支持下,三个具体目标是
建议:1)预先确定结果的血管造影、功能和临床基线决定因素
CABG后,定义为心肌灌注改善(缺血减少)和心绞痛症状; 1992)
开发并验证综合成像策略和临床适用工具,
每支血管/病变的血管造影和定量功能信息(缺血、存活)分辨率
再血管化决策; 103)开发和验证新的多参数计算流模拟,
结合功能成像数据,可预测个体血流动力学结果
并最终根据虚拟血流动力学结果进行手术优化。
因为新的成像技术将促进该领域对CABG生理学的理解,
将开发临床适用的工具,用于全面的临床决策和优化手术
所获得的知识和开发的工具适用于其他血管背景,并且可以
也有助于新的治疗创新。拟议的研究是重要的,因为
冠状动脉旁路移植术结果决定因素的识别,以及综合决策制定的新解决方案,
程序指导,有可能提高有效性(通过完整的功能
冠状动脉旁路移植术的效率(通过避免无效的移植)。对于一个大的患者群体,这些
创新将改善患者对CABG的益处(并发症,症状),
通过提高护理效率来降低成本。
项目成果
期刊论文数量(13)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Impact of machine-learning CT-derived fractional flow reserve for the diagnosis and management of coronary artery disease in the randomized CRESCENT trials.
- DOI:10.1007/s00330-020-06778-w
- 发表时间:2020-07
- 期刊:
- 影响因子:5.9
- 作者:Nous FMA;Budde RPJ;Lubbers MM;Yamasaki Y;Kardys I;Bruning TA;Akkerhuis JM;Kofflard MJM;Kietselaer B;Galema TW;Nieman K
- 通讯作者:Nieman K
Predictors of Myocardial Ischemia in Patients with Kawasaki Disease: Insights from Patient-Specific Simulations of Coronary Hemodynamics.
川崎病患者心肌缺血的预测因素:冠状动脉血流动力学的患者特异性模拟的见解。
- DOI:10.1007/s12265-023-10374-w
- 发表时间:2023
- 期刊:
- 影响因子:3.4
- 作者:Menon,Karthik;Seo,Jongmin;Fukazawa,Ryuji;Ogawa,Shunichi;Kahn,AndrewM;Burns,JaneC;Marsden,AlisonL
- 通讯作者:Marsden,AlisonL
Association Among Local Hemodynamic Parameters Derived From CT Angiography and Their Comparable Implications in Development of Acute Coronary Syndrome.
- DOI:10.3389/fcvm.2021.713835
- 发表时间:2021
- 期刊:
- 影响因子:3.6
- 作者:Yang S;Choi G;Zhang J;Lee JM;Hwang D;Doh JH;Nam CW;Shin ES;Cho YS;Choi SY;Chun EJ;Nørgaard BL;Nieman K;Otake H;Penicka M;Bruyne B;Kubo T;Akasaka T;Taylor CA;Koo BK
- 通讯作者:Koo BK
Relationship of Stress Test Findings to Anatomic or Functional Extent of Coronary Artery Disease Assessed by Coronary Computed Tomography Angiography-Derived Fractional Flow Reserve.
- DOI:10.1155/2021/6674144
- 发表时间:2021
- 期刊:
- 影响因子:0
- 作者:Doukas D;Allen S;Wozniak A;Kunchakarra S;Verma R;Marot J;Lopez JJ;Nieman K;Pontone G;Leipsic J;Bax J;Rabbat MG
- 通讯作者:Rabbat MG
Incremental value of volumetric quantification for myocardial perfusion imaging by computed tomography.
计算机断层扫描心肌灌注成像体积量化的增量值。
- DOI:10.33963/kp.a2022.0015
- 发表时间:2022
- 期刊:
- 影响因子:3.3
- 作者:Oleksiak,Anna;Kępka,Cezary;Nieman,Koen;Dębski,Mariusz;Demkow,Marcin;Kruk,Mariusz
- 通讯作者:Kruk,Mariusz
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Koen Nieman其他文献
Koen Nieman的其他文献
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{{ truncateString('Koen Nieman', 18)}}的其他基金
International Consortium for Multimodality Phenotyping in Adults with Non-compaction
国际非致密化成人多模态表型联盟
- 批准号:
10218265 - 财政年份:2020
- 资助金额:
$ 56.73万 - 项目类别:
International Consortium for Multimodality Phenotyping in Adults with Non-compaction
国际非致密化成人多模态表型联盟
- 批准号:
10452602 - 财政年份:2020
- 资助金额:
$ 56.73万 - 项目类别:
International Consortium for Multimodality Phenotyping in Adults with Non-compaction
国际非致密化成人多模态表型联盟
- 批准号:
9977674 - 财政年份:2020
- 资助金额:
$ 56.73万 - 项目类别:
International Consortium for Multimodality Phenotyping in Adults with Non-compaction
国际非致密化成人多模态表型联盟
- 批准号:
10674511 - 财政年份:2020
- 资助金额:
$ 56.73万 - 项目类别:
Comprehensive CT Guided Coronary Artery Bypass Graft Surgery
综合 CT 引导冠状动脉搭桥手术
- 批准号:
10333312 - 财政年份:2019
- 资助金额:
$ 56.73万 - 项目类别:
Comprehensive CT Guided Coronary Artery Bypass Graft Surgery
综合 CT 引导冠状动脉搭桥手术
- 批准号:
10093121 - 财政年份:2019
- 资助金额:
$ 56.73万 - 项目类别:
Multi-Disciplinary Training Program in Cardiovascular Imaging at Stanford
斯坦福大学心血管影像多学科培训项目
- 批准号:
10441519 - 财政年份:2008
- 资助金额:
$ 56.73万 - 项目类别:
Multi-Disciplinary Training Program in Cardiovascular Imaging at Stanford
斯坦福大学心血管影像多学科培训项目
- 批准号:
10641349 - 财政年份:2008
- 资助金额:
$ 56.73万 - 项目类别:
Multi-Disciplinary Training Program in Cardiovascular Imaging at Stanford
斯坦福大学心血管影像多学科培训项目
- 批准号:
10686299 - 财政年份:2008
- 资助金额:
$ 56.73万 - 项目类别:
Multi-Disciplinary Training Program in Cardiovascular Imaging at Stanford
斯坦福大学心血管影像多学科培训项目
- 批准号:
10244883 - 财政年份:2008
- 资助金额:
$ 56.73万 - 项目类别:
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