Comprehensive Assessment of Right Ventricular and Pulmonary Vascular Function via CT Imaging in Heart Failure Patients

CT成像综合评估心力衰竭患者右心室和肺血管功能

基本信息

项目摘要

Project Summary Parent Award: Mechanical circulatory support is required by a large percentage of patients who undergo heart transplant and serves as a destination therapy for end-stage heart failure patients who are ineligible for transplant. However, clinicians are currently unable to predict the up to 40% of patients who develop right heart failure after receiving left ventricular assist devices. This project aims to use CT to obtain load-independent measures of ventricular function and ventricular-arterial coupling to improve prediction of right heart function and failure in patients receiving left ventricular assist devices. Supplement: This supplement extends the utility of the CT imaging proposed in the parent award and supports the training and development of a bioengineering graduate student. Recent work has enabled robust mapping of regional dysfunction via new CT-based quantitative metrics. Specifically, we have combined regional strain measured via CT (RSCT) with RV pressure waveforms to estimate regional myocardial work (MW) as the area of the pressure-strain loop (MWCT). However, the utility of MWCT as an indicator of RV dysfunction in TOF patients has not been established. Therefore, we propose to determine whether the amount of myocardium with impaired MWCT better predicts functional impairment than RSCT and volume measurements. This work not only aims to improve prognostic evaluation but could also yield mechanistic insights into why the RV is at risk of failing. Importantly, this work seamlessly builds on the data collection and analysis efforts already underway as part of the parent award. In addition to this new research direction, the supplement outlines tailored training for a promising PhD student already being mentored by the principal investigator. Together, they have developed a set of training activities which will enable her to thrive at the interface of cardiology, radiology, and bioengineering. Specifically, she has fostered a collaboration with a cardiologist who will provide opportunities for her to shadow clinical care of patients and take part in multidisciplinary patient discussions. In addition, she has identified conferences, journals, and supplemental coursework which will provide her the networking, publication, and training experiences she needs to continue her work in this translational field.
项目总结

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)
4D Flow Vorticity Visualization Predicts Regions of Quantitative Flow Inconsistency for Optimal Blood Flow Measurement.
4D 血流涡度可视化可预测定量血流不一致区域,以实现最佳血流测量。
  • DOI:
    10.1148/ryct.2020190054
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Contijoch,FranciscoJ;Horowitz,Michael;Masutani,Evan;Kligerman,Seth;Hsiao,Albert
  • 通讯作者:
    Hsiao,Albert
Right Ventricular and Pulmonary Computed Tomography Assessments in Paradoxical Low-Flow Low-Gradient Aortic Stenosis Undergoing Transcatheter Aortic Valve Replacement.
接受经导管主动脉瓣置换术的反常低流量低梯度主动脉瓣狭窄的右心室和肺部计算机断层扫描评估。
  • DOI:
    10.1016/j.shj.2022.100014
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Rigolli,Marzia;Reeves,Ryan;Smitson,Christopher;Yang,Jenny;Alotaibi,Mona;Mahmud,Ehtisham;Malhotra,Atul;Contijoch,Francisco
  • 通讯作者:
    Contijoch,Francisco
Using a genetic risk score to calculate the optimal age for an individual to undergo coronary artery calcium screening.
  • DOI:
    10.1016/j.jcct.2019.05.005
  • 发表时间:
    2019-07
  • 期刊:
  • 影响因子:
    5.4
  • 作者:
    L. Severance;F. Contijoch;H. Carter;C. Fan;T. Seibert;A. Dale;E. McVeigh
  • 通讯作者:
    L. Severance;F. Contijoch;H. Carter;C. Fan;T. Seibert;A. Dale;E. McVeigh
Myocardial Regional Shortening from 4D Cardiac CT Angiography for the Detection of Left Ventricular Segmental Wall Motion Abnormality.
4D 心脏 CT 血管造影的心肌区域缩短用于检测左心室节段性壁运动异常。
  • DOI:
    10.1148/ryct.220134
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Chen,Zhennong;Contijoch,Francisco;Kahn,AndrewM;Kligerman,Seth;Narayan,HariK;Manohar,Ashish;McVeigh,Elliot
  • 通讯作者:
    McVeigh,Elliot
DiFiR-CT: Distance field representation to resolve motion artifacts in computed tomography.
  • DOI:
    10.1002/mp.16157
  • 发表时间:
    2023-03
  • 期刊:
  • 影响因子:
    3.8
  • 作者:
    Gupta, Kunal;Colvert, Brendan;Chen, Zhennong;Contijoch, Francisco
  • 通讯作者:
    Contijoch, Francisco
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Francisco J Contijoch其他文献

Francisco J Contijoch的其他文献

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{{ truncateString('Francisco J Contijoch', 18)}}的其他基金

Improved MRI guidance of pediatric catheterization via autonomous multi-beat data synthesis
通过自主多节拍数据合成改进儿科导管插入术的 MRI 指导
  • 批准号:
    10412491
  • 财政年份:
    2022
  • 资助金额:
    $ 6.98万
  • 项目类别:
Improved MRI guidance of pediatric catheterization via autonomous multi-beat data synthesis
通过自主多节拍数据合成改进儿科导管插入术的 MRI 指导
  • 批准号:
    10646226
  • 财政年份:
    2022
  • 资助金额:
    $ 6.98万
  • 项目类别:
Comprehensive Assessment of Right Ventricular and Pulmonary Vascular Function via CT Imaging in Heart Failure Patients
CT成像综合评估心力衰竭患者右心室和肺血管功能
  • 批准号:
    10461744
  • 财政年份:
    2018
  • 资助金额:
    $ 6.98万
  • 项目类别:
Comprehensive Assessment of Right Ventricular and Pulmonary Vascular Function via CT Imaging in Heart Failure Patients
CT成像综合评估心力衰竭患者右心室和肺血管功能
  • 批准号:
    10224766
  • 财政年份:
    2018
  • 资助金额:
    $ 6.98万
  • 项目类别:
Use of Real Time MRI for Evaluation of Regional Myocardial Function
使用实时 MRI 评估局部心肌功能
  • 批准号:
    8721102
  • 财政年份:
    2014
  • 资助金额:
    $ 6.98万
  • 项目类别:
Use of Real Time MRI for Evaluation of Regional Myocardial Function
使用实时 MRI 评估局部心肌功能
  • 批准号:
    8891198
  • 财政年份:
    2014
  • 资助金额:
    $ 6.98万
  • 项目类别:

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