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1.
Chinese Journal of Lung Cancer ; (12): 756-763, 2021.
Article in Chinese | WPRIM | ID: wpr-922143

ABSTRACT

BACKGROUND@#Segmentectomy has gradually become one of the standard surgical methods for small pulmonary nodules with early lung cancer on imaging. This study aimed to investigate the perioperative outcomes of patients who underwent uniport video-assisted thoracoscopic surgery (VATS) segmentectomy for identifying the intersegmental boundary line (IBL) by the near-infrared fluorescence imaging with intravenous indocyanine green (ICG) method or the modified inflation-deflation (MID) method and assess the feasibility and effectiveness of the ICG fluorescence (ICGF)-based method.@*METHODS@#We retrospectively analyzed the perioperative data in total 198 consecutive patients who underwent uniport VATS segmentectomy between February 2018 and August 2020. With the guidance of preoperative intelligent/interactive qualitative and quantitative analysis-three dimensional (IQQA-3D), the targeted segment structures could be precisely identified and dissected, and then the IBL was confirmed by ICGF-based method or MID method. Clinical effectiveness and postoperative complications of the two methods were evaluated.@*RESULTS@#An IBL was visible in 98% of patients by the ICGF-based group, even with the low-doses of ICG. The ICGF-based group was significantly associated with the shorter IBL clear presentation time [(23.59±4.47) s vs (1,026.80±318.34) s] (P0.05).@*CONCLUSIONS@#The ICGF-based method could highly accurately identify the IBL and make anatomical segmentectomy easier and faster, and therefore has the potential to be a feasible and effective technique to facilitate the quality of uniport VATS segmentectomy.


Subject(s)
Feasibility Studies , Humans , Indocyanine Green , Ion Transport , Lung Neoplasms/surgery , Pneumonectomy , Postoperative Complications , Retrospective Studies , Thoracic Surgery, Video-Assisted
2.
Article in Chinese | WPRIM | ID: wpr-534852

ABSTRACT

Eighteen adult rabbits(0 9and 0 9, body weights 1.5~2kg) were selected for the present study. A solution of 5~15% HRP(RZ=2.9) 10% EB (Evans Blue) and 7% TY (Titan Yellow)was respectively injected into the subserosa of genital glands in fourteen rabbits and a solution of 35% HRP into the tibial nerves of the Sanyinchiao regions in other four rabbits. The uptake and retrograde transmission of HRP and of EB and TY in the afferent fibres of both the somatic and visceral nerves were traced to the spinal ganglia. In addition, anterograde transport were verified by using ARG method in two cats. The range of segments where the neurons give off these two afferent fibres overlap each other. The results were as follows: 1. The labelled sensory neurons from the region of the testis where HRP was injected were observed more concentrated in the spinal ganglia T11~L4, and the ovary in the spinal ganglia T10~L14. 2. The labelled neurons from the region of Sanyinchial were found more concentratedly in the spinal ganglia L_4~S_3. 3. The ranges of distribution of labelled neurons from the two groups of afferent fibres overlap in segment T7~L7.

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