2019
DOI: 10.1007/s00464-019-06675-4
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Evaluation of hyperspectral imaging (HSI) for the measurement of ischemic conditioning effects of the gastric conduit during esophagectomy

Abstract: Background. Hyperspectral imaging (HSI) is a relatively new method used in image-26 guided and precision surgery, which has shown promising results for characterization 27 of tissues and assessment of physiologic tissue parameters. Previous methods used 28 for analysis of preconditioning concepts in patients and animal models have shown 29 several limitations of application. The aim of this study was to evaluate HSI for the 30 measurement of ischemic conditioning effects during esophagectomy. 31 Methods. Intra… Show more

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Cited by 69 publications
(66 citation statements)
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“…Hyperspectral imaging (HSI) is a contrast-free technology, which can provide a real-time snapshot of the chemical characteristics of a tissue. In particular, this imaging technique allows for tissue oxygen saturation (StO 2 ) quantification and its utility during gastrointestinal procedures has been previously assessed [9][10][11]. The main shortcoming of HSI is the lack of video rate, which de facto greatly limits its usability as a surgical navigation tool.…”
mentioning
confidence: 99%
“…Hyperspectral imaging (HSI) is a contrast-free technology, which can provide a real-time snapshot of the chemical characteristics of a tissue. In particular, this imaging technique allows for tissue oxygen saturation (StO 2 ) quantification and its utility during gastrointestinal procedures has been previously assessed [9][10][11]. The main shortcoming of HSI is the lack of video rate, which de facto greatly limits its usability as a surgical navigation tool.…”
mentioning
confidence: 99%
“…AL has a multifactorial etiology. However, anastomotic site perfusion is a controllable risk factor of leakage [ 9 , 16 , 17 , 18 ]. It has been previously demonstrated in a number of experimental studies [ 27 , 28 , 29 , 30 ] that IGP improves GCF perfusion, provided that a minimum delay of 2 to 3 weeks is observed between IGP and gastric conduit formation.…”
Section: Discussionmentioning
confidence: 99%
“…As clinical intraoperative appraisal of the gastrointestinal tract blood flow is not accurate [ 15 ], several technologies have been explored to evaluate gastrointestinal perfusion during esophagectomy [ 9 , 16 , 17 , 18 ]. Fluorescence angiography (FA), a technique requiring a near-infrared (NIR) camera and the injection of a fluorophore, has become increasingly available and has shown promising results [ 9 ].…”
Section: Introductionmentioning
confidence: 99%
“…Tissue parameters such as tissue oxygenation saturation (StO 2 ) and tissue perfusion can therefore be calculated and interpreted for the diagnosis of physiology and pathology. HSI has been previously shown to give reliable results in visceral surgery (intestinal resections [5,6], left liver resections [7,8], esophagectomy [9]),with variouscasestudies currentlyinprogress.…”
Section: Introduction Biliary Injuries and Hsimentioning
confidence: 99%