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Initial Experience of NIR-II Fluorescence imaging-guided surgery in Foot and Ankle surgery

Engineering 2024年第9期40卷 19-27页

作者： Xiaoxiao Fan Jie Yang Huwei Ni Qiming Xia Xiaolong Liu Tianxiang Wu Lin Li Paras N.Prasad Chao Liu Hui Lin Jun Qian Department of General surgery Sir Run Run Shaw HospitalSchool of MedicineZhejiang UniversityHangzhou 310016China Centre for Optical and Electromagnetic Research&International Research Center for Advanced Photonics College of Optical Science and EngineeringZhejiang UniversityHangzhou 310058China Department of Orthopedics Sir Run Run Shaw HospitalSchool of MedicineZhejiang UniversityHangzhou 310016China Institute for Lasers Photonicsand BiophotonicsDepartment of ChemistryState University of New YorkBuffaloNY 14260-3000USA Zhejiang Engineering Research Center of Cognitive Healthcare Sir Run Run Shaw HospitalSchool of MedicineZhejiang UniversityHangzhou 310016China College of Biomedical Engineering and Instrument Science Zhejiang UniversityHangzhou 310027China

Optical imaging in the second near-infrared(NIR-II;900-1880 nm)window is currently a popular research topic in the field of biomedical *** 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 *** types of clinical application scenarios(diabetic foot,calcaneal fracture,and lower extremity trauma)were included in this *** 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 ***-II fluorescence imaging can help surgeons precisely judge surgical margins,detect ischemic lesions early,and dynamically trace the perfusion *** believe that portable and reliable NIR-II fluorescence imaging equipment and additional functional fluorescent probes can play crucial roles in precision surgery.

关键词： Second near-infrared fluorescence imaging Foot and ankle surgery Indocyanine green imaging-guided surgery

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