近红外-II 荧光成像引导手术在足踝手术中的初步经验

IF 10.1 1区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY Engineering Pub Date : 2024-09-01 DOI:10.1016/j.eng.2024.04.011
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引用次数: 0

摘要

第二近红外(NIR-II;900-1880 nm)窗口的光学成像是目前生物医学成像领域的热门研究课题。本研究旨在探索 NIR-II 荧光成像在足踝手术中的应用价值。与近红外荧光图像相比,近红外-II 荧光图像能获得更多的高空间频率信息和更高的信噪比(SBR);我们的研究结果表明,近红外-II 图像能为外科医生提供对比度更高、深度更大的图像。本研究包括三种临床应用场景(糖尿病足、小关节骨折和下肢创伤)。利用近红外-II荧光成像技术,我们观察了糖尿病足形态改变前的缺血区,准确确定了手术切口中缺血区的边界,并全面评估了皮瓣的供血情况。近红外 II 荧光成像可以帮助外科医生精确判断手术边缘,早期发现缺血病灶,动态追踪灌注过程。我们相信,便携、可靠的近红外-II荧光成像设备和附加的功能性荧光探针能在精准手术中发挥关键作用。
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Initial Experience of NIR-II Fluorescence Imaging-Guided Surgery in Foot and Ankle Surgery

Optical imaging in the second near-infrared (NIR-II; 900–1880 nm) window is currently a popular research topic in the field of biomedical imaging. This study aimed to explore the application value of NIR-II fluorescence imaging in foot and ankle surgeries. A lab-established NIR-II fluorescence surgical navigation system was developed and used to navigate foot and ankle surgeries which enabled obtaining more high-spatial-frequency information and a higher signal-to-background ratio (SBR) in NIR-II fluorescence images compared to NIR-I fluorescence images; our result demonstrates that NIR-II imaging could provide higher-contrast and larger-depth images to surgeons. Three types of clinical application scenarios (diabetic foot, calcaneal fracture, and lower extremity trauma) were included in this study. Using the NIR-II fluorescence imaging technique, we observed the ischemic region in the diabetic foot before morphological alterations, accurately determined the boundary of the ischemic region in the surgical incision, and fully assessed the blood supply condition of the flap. NIR-II fluorescence imaging can help surgeons precisely judge surgical margins, detect ischemic lesions early, and dynamically trace the perfusion process. We believe that portable and reliable NIR-II fluorescence imaging equipment and additional functional fluorescent probes can play crucial roles in precision surgery.

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来源期刊
Engineering
Engineering Environmental Science-Environmental Engineering
自引率
1.60%
发文量
335
审稿时长
35 days
期刊介绍: Engineering, an international open-access journal initiated by the Chinese Academy of Engineering (CAE) in 2015, serves as a distinguished platform for disseminating cutting-edge advancements in engineering R&D, sharing major research outputs, and highlighting key achievements worldwide. The journal's objectives encompass reporting progress in engineering science, fostering discussions on hot topics, addressing areas of interest, challenges, and prospects in engineering development, while considering human and environmental well-being and ethics in engineering. It aims to inspire breakthroughs and innovations with profound economic and social significance, propelling them to advanced international standards and transforming them into a new productive force. Ultimately, this endeavor seeks to bring about positive changes globally, benefit humanity, and shape a new future.
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