ArticleJournal of biomedical optics2023
Evaluating clinical near-infrared surgical camera systems with a view to optimizing operator and computational signal analysis.
Article in Journal of biomedical optics, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
11 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Quantification of indocyanine green fluorescence angiography in colorectal surgery: a systematic review of the literature.Surgical endoscopy · 2025Pooled it
- Perioperative splanchnic perfusion variation around colorectal surgery using both indocyanine green spectrophotometry and fluorescence angiography.Surgical endoscopy · 2026Article
- Indocyanine-Green-Guided Partial Nephrectomy: A Narrative Review Addressing Protocol Heterogeneity, Perioperative Functional and Oncological Outcomes.Medicina (Kaunas, Lithuania) · 2026Review
- Colorectal surgeons' perspectives on the efficacy of intraoperative bowel perfusion technology with a focus on indocyanine green fluorescence angiography.Langenbeck's archives of surgery · 2025Article
- Advancing indocyanine green fluorescence flap perfusion assessment via near infrared signal quantification.JPRAS open · 2024Article
- Intraoperative near infrared functional imaging of rectal cancer using artificial intelligence methods - now and near future state of the art.European journal of nuclear medicine and molecular imaging · 2024Review
- Clinical and computational development of a patient-calibrated ICGFA bowel transection recommender.Surgical endoscopy · 2024Article
- A feasibility study assessing quantitative indocyanine green angiographic predictors of reconstructive complications following nipple-sparing mastectomy.JPRAS open · 2024Article
- Indocyanine green (ICG) fluorescence technology in pediatric robotic surgery.Journal of robotic surgery · 2024Article
- Impact of standardising indocyanine green fluorescence angiography technique for visual and quantitative interpretation on interuser variability in colorectal surgery.Surgical endoscopy · 2024Article
- Validation of a semi-quantitative scoring system and workflow for analysis of fluorescence quantification in companion animals.Frontiers in veterinary science · 2024Article
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Significance: As clinical evidence on the colorectal application of indocyanine green (ICG) perfusion angiography accrues, there is also interest in computerizing decision support. However, user interpretation and software development may be impacted by system factors affecting the displayed near-infrared (NIR) signal. Aim: We aim to assess the impact of camera positioning on the displayed NIR signal across different open and laparoscopic camera systems. Approach: The effects of distance, movement, and target location (center versus periphery) on the displayed fluorescence signal of different systems were measured under electromagnetic stereotactic guidance from an ICG-albumin model and Results: Systems displayed distinct fluorescence performances with variance apparent with scope optical lens configuration (0 deg versus 30 deg), movement, target positioning, and distance. Laparoscopic system readings fitted inverse square function distance-intensity curves with one device and demonstrated a direction dependent sigmoid curve. Laparoscopic cameras presented central targets as brighter than peripheral ones, and laparoscopes with angled optical lens configurations had a diminished field of view. One handheld open system also showed a distance-intensity relationship, whereas the other maintained a consistent signal despite distance, but both presented peripheral targets brighter than central ones. Conclusions: Optimal clinical use and signal computational development requires detailed appreciation of system behaviors.
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Registered trials
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