Translational, multimodality correlation between human and rabbit saccular aneurysms
人和兔囊状动脉瘤之间的转化、多模态相关性
基本信息
- 批准号:8995704
- 负责人:
- 金额:$ 18.88万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2015
- 资助国家:美国
- 起止时间:2015-02-01 至 2018-01-31
- 项目状态:已结题
- 来源:
- 关键词:3-DimensionalAdultAftercareAge-YearsAneurysmAnimal ModelAnimalsArteriesAutopsyBerry AneurysmBiologicalBiologyBlood CirculationBlood PressureBrainCell DeathCell physiologyCellsCerebral AneurysmCessation of lifeClinicClinicalClipCollagenCollagen FiberComputer SimulationDataDevelopmentDevicesDiagnosisElastasesElastinEndotheliumEnvironmentEquilibriumEventEvolutionExtracellular MatrixFrequenciesFunctional disorderFundingGerm CellsGoalsGrowthHealthHistologicHistologyHumanHyperplasiaInterdisciplinary StudyIntracranial AneurysmLiquid substanceMRI ScansMechanicsMethodsMicroscopyModelingMolecularMolecular BiologyMorbidity - disease rateNeurologicOryctolagus cuniculusPathologyPatient CarePatient riskPatientsPatternPharmacologic SubstancePopulationPredictive ValueProcessResearchResearch ProposalsRiskRisk AssessmentRoleRuptureRuptured AneurysmSmooth Muscle MyocytesSpontaneous RuptureStagingStratificationStressStructureSurrogate MarkersTechniquesTestingTextTextilesThrombusTimeTissuesTranslatingTranslational ResearchTreatment outcomeUncertaintyUnited StatesVascular Smooth MuscleWorkX-Ray Computed Tomographybasebrain surgeryhemodynamicshuman tissueimplantationimprovedimproved outcomeinnovationminimally invasivemultimodalitynovelprogramsshear stresssuccessthree dimensional structuretreatment strategy
项目摘要
DESCRIPTION (provided by applicant): The long term objective of this research program is to improve the care of patients harboring unruptured, intracranial aneurysms. These aneurysms, present in approximately 2% of the population and being diagnosed with increasing frequency because of widespread use of MRI and CT scanning, may undergo spontaneous rupture with devastating consequences. Once discovered, however, the decision to treat must balance the risk of spontaneous rupture against the treatment risk. The annual risk of aneurysm rupture is low, but there are relatively few high quality studies documenting precise rates of rupture. Furthermore, even with the most advanced treatment techniques, one in twenty patients will suffer from neurologic morbidity from the therapy itself. Unfortunately, clinical and autopsy data that might clarify these uncertainties remain elusive. In an attempt to improve outcomes in these patients, numerous groups are exploring the predictive value of surrogate markers of rupture risk and treatment outcome. These approaches include detailed analysis of geometric and other features to be used in computational modeling for prediction of rupture risk as well as the development of innovative, minimally invasive therapies. Animal models of saccular aneurysms serve as bridge between these research hypotheses and the clinic, translating new ideas to clinical implementation. The proposed work will first confirm that the animal model accurately mimics the pathology, biology, and mechanical structure of actual human aneurysm tissue. This project will benefit patients suffering from intracranial aneurysms, both before and after treatment, with the long term goal of diminishing or eradicating the risk of devastating aneurysm rupture.
描述(由申请方提供):本研究项目的长期目标是改善未破裂颅内动脉瘤患者的护理。这些动脉瘤约占人群的2%,并且由于MRI和CT扫描的广泛使用而被诊断出的频率越来越高,可能会发生自发性破裂并造成破坏性后果。然而,一旦发现,治疗的决定必须平衡自发性破裂的风险与治疗风险。动脉瘤破裂的年风险较低,但记录准确破裂率的高质量研究相对较少。此外,即使使用最先进的治疗技术,二十分之一的患者也会因治疗本身而患有神经系统疾病。不幸的是,可能澄清这些不确定性的临床和尸检数据仍然难以捉摸。为了改善这些患者的结局,许多研究小组正在探索破裂风险和治疗结局的替代标志物的预测价值。这些方法包括详细分析几何和其他特征,用于预测破裂风险的计算建模,以及开发创新的微创治疗方法。囊状动脉瘤的动物模型作为这些研究假设和临床之间的桥梁,将新的想法转化为临床实施。拟议的工作将首先确认动物模型准确地模拟实际人类动脉瘤组织的病理学、生物学和机械结构。该项目将使颅内动脉瘤患者在治疗前后受益,其长期目标是减少或消除毁灭性动脉瘤破裂的风险。
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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DAVID F KALLMES其他文献
DAVID F KALLMES的其他文献
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