Advanced Imaging and Simulation Tools for Personalized Corneal Disease Assessment and Surgery
用于个性化角膜疾病评估和手术的先进成像和模拟工具
基本信息
- 批准号:10365675
- 负责人:
- 金额:$ 61.27万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-07-01 至 2026-06-30
- 项目状态:未结题
- 来源:
- 关键词:3-DimensionalAddressAffectAgreementAirAnteriorBiological MarkersBiomechanicsBiomedical EngineeringBlindnessClinicalComputer ModelsComputer SimulationCorneaCorneal DiseasesDataDevelopmentDiagnosisDiseaseDisease ProgressionEarly DiagnosisElementsEngineeringEyeGeometryHumanImageIndividualInterventionKeratoconusLaser In Situ KeratomileusisLeadLongitudinal StudiesMapsMeasurementMeasuresMethodsModelingNomogramsOperative Surgical ProceduresOpticsOutcomePathological DilatationPatientsPersonsPositioning AttributePostoperative PeriodProbabilityProceduresPropertyRefractive ErrorsRelative RisksResearchResearch Project GrantsRetinaRiskRisk AssessmentSamplingSeriesShapesSpeedStressStructural ModelsSurgeonSurgical incisionsSystemTestingTimeTranslationsVariantVisualWorkbasebiomechanical testbody systemclinical developmentclinical investigationcorneal surgerycrosslinkdisorder riskelastographyin vivomultidisciplinarynovelnovel markeroutcome predictionpersonalized approachpersonalized medicinepersonalized predictionsprecision medicinepredictive modelingprognosticprogramssimulationsurgery outcomesurgical risktargeted imagingthree-dimensional modelingtomographytooltreatment planningverification and validationviscoelasticityvisual performance
项目摘要
Simulations based on patient-specific inputs have the potential to drive major advances in personalized
medicine. However, important gaps persist that must be addressed before simulation-based engineering can
be fully leveraged in the treatment of corneal and refractive disorders. These include development of clinical
tools for biomechanical characterization, integration of measurement and simulation systems, and model
validation and verification. In this Bioengineering Research Grant, we will address each of these challenges by
the following specific aims: Aim 1. Develop optical coherence elastography (OCE) for 3D characterization
of heterogenous corneal biomechanical properties. In this developmental aim, we will develop and
optimize a new system capable of 1) volumetric regional sampling; 2) true 3D displacement tracking and 3)
simultaneous IOP and viscoelastic property measurement. The system will be used to establish more sensitive
biomechanical biomarkers for keratoconus (KC) and to inform inverse FE models for 3D property estimation.
Aim 2. Integrate 3D OCE and inverse FE modeling to characterize and compare 3D corneal
biomechanical properties in normal, KC, and surgically altered states. Tomography and 3D OCE-derived
measurements will be used to establish and validate patient-specific FE models. We will conduct human
studies to test the hypothesis that OCE-derived biomarkers will better discriminate manifest KC and subclinical
KC from normal eyes than available tomography and air puff-derived biomechanical metrics. We will also
measure spatial biomechanical changes during a longitudinal study of KC progression and compare depth-
dependent biomechanical changes in LASIK, small-incision lenticule extraction (SMILE), and corneal
crosslinking (CXL). The latter comparison will directly test the widely promulgated hypothesis that SMILE
causes less stromal weakening than LASIK. Aim 3. Develop and evaluate patient-specific computational
models for predicting interventional outcomes, KC progression, and post-LASIK ectasia. We will test
the hypothesis that models populated with subject-specific geometry and material property data are more
accurate predictors of surgical outcomes metrics, KC progression rate, and post-LASIK ectasia risk than
existing methods. Successful completion of the aims is expected to lead to the development and immediate
translation of a personalized precision-medicine framework for leveraging such data for more effective
diagnosis and personalized treatment planning in key clinical conditions.
基于患者特定输入的模拟有可能推动个性化方面的重大进展
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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William Joseph Dupps其他文献
William Joseph Dupps的其他文献
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{{ truncateString('William Joseph Dupps', 18)}}的其他基金
Determining the Efficacy of Corneal Cross-Linking Protocols using Brillouin Microscopy
使用布里渊显微镜确定角膜交联方案的功效
- 批准号:
10642876 - 财政年份:2022
- 资助金额:
$ 61.27万 - 项目类别:
Advanced Imaging and Simulation Tools for Personalized Corneal Disease Assessment and Surgery
用于个性化角膜疾病评估和手术的先进成像和模拟工具
- 批准号:
10644983 - 财政年份:2022
- 资助金额:
$ 61.27万 - 项目类别:
Determining the Efficacy of Corneal Cross-Linking Protocols using Brillouin Microscopy
使用布里渊显微镜确定角膜交联方案的功效
- 批准号:
10443488 - 财政年份:2022
- 资助金额:
$ 61.27万 - 项目类别:
Noninvasive assessment of the cornea by diffusion OCT
通过扩散 OCT 对角膜进行无创评估
- 批准号:
10421300 - 财政年份:2018
- 资助金额:
$ 61.27万 - 项目类别:
Noninvasive assessment of the cornea by diffusion OCT
通过扩散 OCT 对角膜进行无创评估
- 批准号:
10171859 - 财政年份:2018
- 资助金额:
$ 61.27万 - 项目类别:
Corneal Elastography and Patient-Specific Modeling for Simulation-based Therapy
用于基于模拟的治疗的角膜弹性成像和患者特异性建模
- 批准号:
8482579 - 财政年份:2013
- 资助金额:
$ 61.27万 - 项目类别:
Corneal Elastography and Patient-Specific Modeling for Simulation-based Therapy
用于基于模拟的治疗的角膜弹性成像和患者特异性建模
- 批准号:
8664399 - 财政年份:2013
- 资助金额:
$ 61.27万 - 项目类别:
RESOURCE/SERVICE CORE A - OCULAR IMAGING MODULE
资源/服务核心 A - 眼部成像模块
- 批准号:
9153316 - 财政年份:
- 资助金额:
$ 61.27万 - 项目类别:
RESOURCE/SERVICE CORE A - OCULAR IMAGING MODULE
资源/服务核心 A - 眼部成像模块
- 批准号:
9336309 - 财政年份:
- 资助金额:
$ 61.27万 - 项目类别:
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