Optical and electromagnetic tracking guidance for hepatic interventions
肝脏干预的光学和电磁跟踪指导
基本信息
- 批准号:10226852
- 负责人:
- 金额:$ 22.54万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-03-02 至 2023-06-30
- 项目状态:已结题
- 来源:
- 关键词:BenignBiopsyBiopsy SpecimenClinicalClinical TrialsCollaborationsColorectalData SetDetectionDevelopmentDevicesDiagnosticElectromagneticsEnsureEvaluationExtramural ActivitiesFeedbackFluorochromeGoldHepaticHumanImageImaging DeviceImaging TechniquesIndocyanine GreenInterventionInterventional radiologyKineticsLesionLightLiver neoplasmsLocationLogisticsMalignant - descriptorMeasurementMethodsMotionNeedle biopsy procedureNeedlesNeoplasm MetastasisOncologyOpticsPathologicPathologyPatient CarePatientsPre-Clinical ModelPrimary carcinoma of the liver cellsProceduresRetrospective StudiesSamplingSignal TransductionSiteSystemTechniquesTechnologyTestingTimeTissuesTumor MarkersUnited StatesUnited States National Institutes of HealthVisualizationanalogclinical centerdata streamsdiagnostic accuracyexperiencefirst-in-humanimaging agentimprovedin vivonew technologyoptical imagingphantom modelpoint of caresynergismtissue phantomtumor
项目摘要
Abstract
Percutaneous sampling of focal hepatic lesions is a cornerstone in the management of patients with hepatic
pathology. The advent of advanced imaging has improved the sensitivity for lesion detection; however small
lesions often lack specific features to allow for reliable non-invasive characterization, resulting in an increase in
the number of biopsies for such hepatic lesions over the past decade. Accuracy of a focal hepatic biopsy is
essential, as a false negative biopsy can have a devastating impact on a patient's treatment. In a retrospective
study, up to 45% of small hepatic lesions were insufficiently visualized with the biopsy needle in place and had
a false negative rate, defined as the number of patients with benign biopsies who were subsequently found to
have malignant lesions at the attempted site of biopsy, of 37% for hepatocellular carcinomas. Thus, there is a
significant need for improved methods for accurately sampling hepatic lesions. Recently, it was discovered that
indocyanine green (ICG), a clinically approved near infrared fluorochrome, accumulates in hepatic foci such as
hepatocellular carcinomas and hepatic colorectal metastases, resulting in a high target to background ratio
when visualized using near infrared light. The PI of this proposal has led the first human experience, at MGH,
combining optical imaging using ICG with interventional radiology percutaneous hepatic sampling.
Independently, the intramural PI of this proposal has pioneered the development and clinical trials of
electromagnetic (EM) navigation techniques for interventional radiology guided percutaneous sampling at the
NIH Clinical Center – Center for Interventional Oncology (CIO). We propose to build upon a longstanding
collaboration between the extramural and intramural PIs, and combine these two intrinsically synergistic,
recent advances in the field of interventional radiology. The EM guided devices navigate the biopsy needle
close to imaged lesions and can be thought of as far-field optimized; the optical imaging devices provide real-
time feedback to assess if needle cores are appropriately located within small hepatic tumors and can be
thought of as near-field devices. This first-in-man assessment of the new, proposed intramural-extramural
jointly developed device will take place at the NIH CC-CIO. This jointly created and iteratively optimized device
will help to improve patient care through improved diagnostic accuracy.
抽象的
局灶性肝损伤的经皮取样是肝脏患者治疗的基石
病理。高级成像的进步提高了病变检测的敏感性。但是很小
病变通常缺乏特定的特征来允许可靠的非侵入性表征,从而增加
在过去十年中,这种肝病变的活检数量。局灶性肝活检的准确性是
必不可少的,因为假阴性活检可能会对患者的治疗产生毁灭性影响。回顾性
研究,多达45%的小肝病病变不足以用活检针对适当
假阴性率,定义为良性活检的患者数量,后来被发现
肝细胞癌的活检部位有恶性病变,为37%。那有一个
非常需要改进的方法,以准确采样肝病变。最近,发现
氨基苯胺绿色(ICG)是一种临床批准的近乎感染的荧光色素,积累在肝灶中,例如
肝细胞癌和肝结直肠转移,导致较高的靶标比率
当使用近红外光看到时。该提议的PI领导了MGH的第一个人类经验
使用ICG与介入放射学经皮肝样采样结合光学成像。
独立地,该提案的壁内PI率先开发和临床试验
电磁(EM)导航技术,用于介入放射学的导航技术在介入
NIH临床中心 - 介入肿瘤学中心(CIO)。我们建议建立一个长期的
壁外和壁内PI之间的协作,并将这两个本质上的协同作用结合在一起
介入放射学领域的最新进展。 EM引导设备导航活检针头
接近成像的病变,可以考虑到远场优化;光学成像设备提供了实现 -
时间反馈以评估针芯是否适当地位于小肝肿瘤中,可以是
被认为是近场设备。对新的,拟议的壁内 - 术中的首次评估
共同开发的设备将在NIH CC-CIO进行。这个共同创建并迭代优化的设备
通过提高诊断准确性,将有助于改善患者护理。
项目成果
期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Advantages of a Photodiode Detector Endoscopy System in Fluorescence-Guided Percutaneous Liver Biopsies.
- DOI:10.3390/opt4020025
- 发表时间:2023-06
- 期刊:
- 影响因子:0
- 作者:Marcos-Vidal A;Heidari P;Xu S;Wood BJ;Mahmood U
- 通讯作者:Mahmood U
What Can Be Done to Improve Research Biopsy Quality in Oncology Clinical Trials?
- DOI:10.1200/jop.18.00092
- 发表时间:2018-11-01
- 期刊:
- 影响因子:0
- 作者:Ferry-Galow, Katherine, V;Datta, Vivekananda;Chen, Alice P.
- 通讯作者:Chen, Alice P.
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Umar Mahmood其他文献
Umar Mahmood的其他文献
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10219982 - 财政年份:2017
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Optical and electromagnetic tracking guidance for hepatic interventions
肝脏干预的光学和电磁跟踪指导
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9260276 - 财政年份:2017
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