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Kania A, Branchi V, Braun L, Verrel F, Kalff JC, Vilz TO. [Indications and surgical strategy for bowel resection in mesenteric ischemia : Resection margins considering current guidelines and literature as well as the influence of new technical possibilities]. Chirurgie (Heidelb) 2024; 95:367-374. [PMID: 38378936 DOI: 10.1007/s00104-024-02041-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/16/2024] [Indexed: 02/22/2024]
Abstract
Acute mesenteric ischemia (AMI) is still a time-critical and life-threatening clinical picture. If exploration of the abdominal cavity is necessary during treatment, an intraoperative assessment of which segments of the intestines have a sufficient potential for recovery must be made. These decisions are mostly based on purely clinical parameters, which are subject to high level of uncertainty. This review article provides an overview of how this decision-making process and the determination of resection margins can be improved using technical aids, such as laser Doppler flowmetry (LDF), indocyanine green (ICG) fluorescence angiography or hyperspectral imaging (HSI). Furthermore, this article compiles guideline recommendations on the role of laparoscopy and the value of a planned second-look laparotomy. In addition, an overview of strategies for preventing short bowel syndrome is given and other aspects, such as the timing and technical aspects of placement of a preternatural anus and an anastomosis are highlighted.
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Affiliation(s)
- Alexander Kania
- Klinik und Poliklinik für Allgemein‑, Viszeral‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Bonn, Venusberg Campus 1, 53127, Bonn, Deutschland.
| | - Vittorio Branchi
- Klinik und Poliklinik für Allgemein‑, Viszeral‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Bonn, Venusberg Campus 1, 53127, Bonn, Deutschland
| | - Lara Braun
- Klinik und Poliklinik für Allgemein‑, Viszeral‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Bonn, Venusberg Campus 1, 53127, Bonn, Deutschland
| | - Frauke Verrel
- Klinik und Poliklinik für Allgemein‑, Viszeral‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Bonn, Venusberg Campus 1, 53127, Bonn, Deutschland
| | - Jörg C Kalff
- Klinik und Poliklinik für Allgemein‑, Viszeral‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Bonn, Venusberg Campus 1, 53127, Bonn, Deutschland
| | - Tim O Vilz
- Klinik und Poliklinik für Allgemein‑, Viszeral‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Bonn, Venusberg Campus 1, 53127, Bonn, Deutschland
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Peng C, Huang G, Chen X, Xie Z, Ali S, Chen X, Nie H, Yang Z, Zhu L, Chen X, Yan S. Identification of near-infrared characteristic bands of small bowel necrosis based on cellwise detection algorithm. J Biophotonics 2024:e202300438. [PMID: 38468556 DOI: 10.1002/jbio.202300438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 01/10/2024] [Accepted: 01/30/2024] [Indexed: 03/13/2024]
Abstract
The near-infrared spectroscopy is often used to distinguish small bowel necrosis due to necrotizing enterocolitis (NEC). The characteristic bands of small bowel necrosis, as an important basis for evaluating the confidence of the differentiation results, are challenging to identify quickly. In this study, we proposed to identify characteristic bands of lesion samples based on hyperspectral imaging (HSI) and cellwise outlier detection. Rabbits were used as an animal model to simulate the clinical symptoms of NEC. The rabbits were detected at intervals of 10, 30, 60, and 90 min. The characteristic bands were identified within the same rabbit, between different rabbits and at different times. The result showed the bands near 763 nm, corresponding to the absorption peak of deoxyhemoglobin, were the characteristic bands separating samples with NEC. The identification result was plausible because hypoxia was the main cause of NEC. The method was easy to perform.
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Affiliation(s)
- Chenxi Peng
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Guangzao Huang
- College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou, China
| | - Xiaojing Chen
- College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou, China
| | - Zhonghao Xie
- College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou, China
| | - Shujat Ali
- College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou, China
| | - Xi Chen
- College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou, China
| | - Huagui Nie
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, China
| | - Zhi Yang
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, China
| | - Libin Zhu
- Pediatric General Surgery, The Second Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiaoqing Chen
- Pediatric General Surgery, The Second Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Shubin Yan
- School of Electrical Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou, China
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3
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Arikan M, Hargitai L, Binter T, Scheuba C, Riss P. In-vivo and ex-vivo parathyroid autofluorescence overlay imaging is equally feasible using two different wavelengths (785 nm vs. 805 nm). Curr Probl Surg 2024; 61:101443. [PMID: 38462311 DOI: 10.1016/j.cpsurg.2024.101443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 12/21/2023] [Accepted: 01/18/2024] [Indexed: 03/12/2024]
Affiliation(s)
- M Arikan
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria.
| | - L Hargitai
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - T Binter
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - C Scheuba
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - P Riss
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
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Studier-Fischer A, Schwab FM, Rees M, Seidlitz S, Sellner J, Özdemir B, Ayala L, Odenthal J, Knoedler S, Kowalewski KF, Haney CM, Dietrich M, Salg GA, Kenngott HG, Müller-Stich BP, Maier-Hein L, Nickel F. ICG-augmented hyperspectral imaging for visualization of intestinal perfusion compared to conventional ICG fluorescence imaging: an experimental study. Int J Surg 2023; 109:3883-3895. [PMID: 38258996 PMCID: PMC10720797 DOI: 10.1097/js9.0000000000000706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 08/13/2023] [Indexed: 01/24/2024]
Abstract
BACKGROUND Small bowel malperfusion (SBM) can cause high morbidity and severe surgical consequences. However, there is no standardized objective measuring tool for the quantification of SBM. Indocyanine green (ICG) imaging can be used for visualization, but lacks standardization and objectivity. Hyperspectral imaging (HSI) as a newly emerging technology in medicine might present advantages over conventional ICG fluorescence or in combination with it. METHODS HSI baseline data from physiological small bowel, avascular small bowel and small bowel after intravenous application of ICG was recorded in a total number of 54 in-vivo pig models. Visualizations of avascular small bowel after mesotomy were compared between HSI only (1), ICG-augmented HSI (IA-HSI) (2), clinical evaluation through the eyes of the surgeon (3) and conventional ICG imaging (4). The primary research focus was the localization of resection borders as suggested by each of the four methods. Distances between these borders were measured and histological samples were obtained from the regions in between in order to quantify necrotic changes 6 h after mesotomy for every region. RESULTS StO2 images (1) were capable of visualizing areas of physiological perfusion and areas of clearly impaired perfusion. However, exact borders where physiological perfusion started to decrease could not be clearly identified. Instead, IA-HSI (2) suggested a sharp-resection line where StO2 values started to decrease. Clinical evaluation (3) suggested a resection line 23 mm (±7 mm) and conventional ICG imaging (4) even suggested a resection line 53 mm (±13 mm) closer towards the malperfused region. Histopathological evaluation of the region that was sufficiently perfused only according to conventional ICG (R3) already revealed a significant increase in pre-necrotic changes in 27% (±9%) of surface area. Therefore, conventional ICG seems less sensitive than IA-HSI with regards to detection of insufficient tissue perfusion. CONCLUSIONS In this experimental animal study, IA-HSI (2) was superior for the visualization of segmental SBM compared to conventional HSI imaging (1), clinical evaluation (3) or conventional ICG imaging (4) regarding histopathological safety. ICG application caused visual artifacts in the StO2 values of the HSI camera as values significantly increase. This is caused by optical properties of systemic ICG and does not resemble a true increase in oxygenation levels. However, this empirical finding can be used to visualize segmental SBM utilizing ICG as contrast agent in an approach for IA-HSI. Clinical applicability and relevance will have to be explored in clinical trials. LEVEL OF EVIDENCE Not applicable. Translational animal science. Original article.
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Affiliation(s)
| | | | - Maike Rees
- Division of Intelligent Medical Systems, German Cancer Research Center (DKFZ)
- Faculty of Mathematics and Computer Science
| | - Silvia Seidlitz
- Division of Intelligent Medical Systems, German Cancer Research Center (DKFZ)
- Faculty of Mathematics and Computer Science
- HIDSS4Health—Helmholtz Information and Data Science School for Health, Karlsruhe
- National Center for Tumor Diseases (NCT) Heidelberg, a partnership between DKFZ and Heidelberg University Hospital, Heidelberg
| | - Jan Sellner
- Division of Intelligent Medical Systems, German Cancer Research Center (DKFZ)
- Faculty of Mathematics and Computer Science
- HIDSS4Health—Helmholtz Information and Data Science School for Health, Karlsruhe
| | - Berkin Özdemir
- Departments ofGeneral, Visceral, and Transplantation Surgery
| | - Leonardo Ayala
- Division of Intelligent Medical Systems, German Cancer Research Center (DKFZ)
- Medical Faculty, Heidelberg University
| | - Jan Odenthal
- Departments ofGeneral, Visceral, and Transplantation Surgery
| | - Samuel Knoedler
- Departments ofGeneral, Visceral, and Transplantation Surgery
- Division of Plastic Surgery, Department of Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
| | | | | | | | | | | | | | - Lena Maier-Hein
- Division of Intelligent Medical Systems, German Cancer Research Center (DKFZ)
- Faculty of Mathematics and Computer Science
- HIDSS4Health—Helmholtz Information and Data Science School for Health, Karlsruhe
- National Center for Tumor Diseases (NCT) Heidelberg, a partnership between DKFZ and Heidelberg University Hospital, Heidelberg
| | - Felix Nickel
- Departments ofGeneral, Visceral, and Transplantation Surgery
- HIDSS4Health—Helmholtz Information and Data Science School for Health, Karlsruhe
- Department of General, Visceral, and Thoracic Surgery, University Hospital Hamburg-Eppendorf, Hamburg, Germany
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Schimunek L, Schöpp K, Wagner M, Brucker SY, Andress J, Weiss M. Hyperspectral imaging as a new diagnostic tool for cervical intraepithelial neoplasia. Arch Gynecol Obstet 2023; 308:1525-1530. [PMID: 37574506 PMCID: PMC10520109 DOI: 10.1007/s00404-023-07171-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 07/20/2023] [Indexed: 08/15/2023]
Abstract
PURPOSE Cervical cancer screening by visual inspection with acetic acid (VIA) during colposcopy can be challenging and is highly dependent on the clinical experience of the examiner. Health-care systems lack qualified physicians able to perform the examination in both industrialized and low- and middle-income countries. Previous work has shown the general potential of hyperspectral imaging (HSI) to discriminate CIN from normal tissue, but clinical translation has been limited due to the lack of medically approved HSI systems. METHODS In this study, we evaluate the feasibility of a commercially available HSI system for CIN detection in a prospective monocentric clinical trial. RESULTS By obtaining spectral fingerprints of 41 patients with CIN 1-3 we show that HSI-based differentiation between CIN and normal tissue is possible with high statistical significance. Major spectral differences were seen in the 555-585 wavelength area. CONCLUSION HSI advances tissue differentiation by associating each pixel with high-dimensional spectra and thereby obtains morphological and biochemical information of the observed tissue. Currently available and medically approved HSI systems may represent a contact- and marker-free examiner-independent method for the diagnosis of CIN.
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Affiliation(s)
- Lukas Schimunek
- Department of Women's Health, University Hospital Tübingen, 72076, Tübingen, Germany
| | - Katharina Schöpp
- Department of Women's Health, University Hospital Tübingen, 72076, Tübingen, Germany
| | - Michael Wagner
- Department of Women's Health, University Hospital Tübingen, 72076, Tübingen, Germany
| | - Sara Y Brucker
- Department of Women's Health, University Hospital Tübingen, 72076, Tübingen, Germany
| | - Jürgen Andress
- Department of Women's Health, University Hospital Tübingen, 72076, Tübingen, Germany
| | - Martin Weiss
- Department of Women's Health, University Hospital Tübingen, 72076, Tübingen, Germany.
- NMI Naturwissenschaftlich Medizinisches Institut an der Eberhard Karls Universität Tübingen, 72770, Reutlingen, Germany.
- Section for Plasmamedicine and Medical Technology, Department of Women's Health, University Hospital Tübingen, Calwerstrasse 7, 72076, Tübingen, Germany.
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Chalopin C, Pfahl A, Köhler H, Knospe L, Maktabi M, Unger M, Jansen-Winkeln B, Thieme R, Moulla Y, Mehdorn M, Sucher R, Neumuth T, Gockel I, Melzer A. Alternative intraoperative optical imaging modalities for fluorescence angiography in gastrointestinal surgery: spectral imaging and imaging photoplethysmography. MINIM INVASIV THER 2023; 32:222-232. [PMID: 36622288 DOI: 10.1080/13645706.2022.2164469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 11/29/2022] [Indexed: 01/10/2023]
Abstract
INTRODUCTION Intraoperative near-infrared fluorescence angiography with indocyanine green (ICG-FA) is a well-established modality in gastrointestinal surgery. Its main drawback is the application of a fluorescent agent with possible side effects for patients. The goal of this review paper is the presentation of alternative, non-invasive optical imaging methods and their comparison with ICG-FA. MATERIAL AND METHODS The principles of ICG-FA, spectral imaging, imaging photoplethysmography (iPPG), and their applications in gastrointestinal surgery are described based on selected published works. RESULTS The main applications of the three modalities are the evaluation of tissue perfusion, the identification of risk structures, and tissue segmentation or classification. While the ICG-FA images are mainly evaluated visually, leading to subjective interpretations, quantitative physiological parameters and tissue segmentation are provided in spectral imaging and iPPG. The combination of ICG-FA and spectral imaging is a promising method. CONCLUSIONS Non-invasive spectral imaging and iPPG have shown promising results in gastrointestinal surgery. They can overcome the main drawbacks of ICG-FA, i.e. the use of contrast agents, the lack of quantitative analysis, repeatability, and a difficult standardization of the acquisition. Further technical improvements and clinical evaluations are necessary to establish them in daily clinical routine.
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Affiliation(s)
- Claire Chalopin
- Innovation Center Computer Assisted Surgery (ICCAS), Faculty of Medicine, Leipzig University, Leipzig, Germany
| | - Annekatrin Pfahl
- Innovation Center Computer Assisted Surgery (ICCAS), Faculty of Medicine, Leipzig University, Leipzig, Germany
| | - Hannes Köhler
- Innovation Center Computer Assisted Surgery (ICCAS), Faculty of Medicine, Leipzig University, Leipzig, Germany
| | - Luise Knospe
- Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital of Leipzig AöR, Leipzig, Germany
| | - Marianne Maktabi
- Innovation Center Computer Assisted Surgery (ICCAS), Faculty of Medicine, Leipzig University, Leipzig, Germany
- Department of Electrical, Mechanical and Industrial Engineering, Anhalt University of Applied Science, Köthen (Anhalt), Germany
| | - Michael Unger
- Innovation Center Computer Assisted Surgery (ICCAS), Faculty of Medicine, Leipzig University, Leipzig, Germany
| | - Boris Jansen-Winkeln
- Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital of Leipzig AöR, Leipzig, Germany
- Department of General, Visceral and Oncological Surgery, St. Georg Hospital, Leipzig, Germany
| | - René Thieme
- Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital of Leipzig AöR, Leipzig, Germany
| | - Yusef Moulla
- Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital of Leipzig AöR, Leipzig, Germany
| | - Matthias Mehdorn
- Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital of Leipzig AöR, Leipzig, Germany
| | - Robert Sucher
- Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital of Leipzig AöR, Leipzig, Germany
| | - Thomas Neumuth
- Innovation Center Computer Assisted Surgery (ICCAS), Faculty of Medicine, Leipzig University, Leipzig, Germany
| | - Ines Gockel
- Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital of Leipzig AöR, Leipzig, Germany
| | - Andreas Melzer
- Innovation Center Computer Assisted Surgery (ICCAS), Faculty of Medicine, Leipzig University, Leipzig, Germany
- Institute of Medical Science and Technology (IMSAT), University of Dundee, Dundee, UK
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Renna MS, Grzeda MT, Bailey J, Hainsworth A, Ourselin S, Ebner M, Vercauteren T, Schizas A, Shapey J. Intraoperative bowel perfusion assessment methods and their effects on anastomotic leak rates: meta-analysis. Br J Surg 2023; 110:1131-1142. [PMID: 37253021 PMCID: PMC10416696 DOI: 10.1093/bjs/znad154] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 03/24/2023] [Accepted: 04/29/2023] [Indexed: 06/01/2023]
Abstract
BACKGROUND Anastomotic leak is one of the most feared complications of colorectal surgery, and probably linked to poor blood supply to the anastomotic site. Several technologies have been described for intraoperative assessment of bowel perfusion. This systematic review and meta-analysis aimed to evaluate the most frequently used bowel perfusion assessment modalities in elective colorectal procedures, and to assess their associated risk of anastomotic leak. Technologies included indocyanine green fluorescence angiography, diffuse reflectance spectroscopy, laser speckle contrast imaging, and hyperspectral imaging. METHODS The review was preregistered with PROSPERO (CRD42021297299). A comprehensive literature search was performed using Embase, MEDLINE, Cochrane Library, Scopus, and Web of Science. The final search was undertaken on 29 July 2022. Data were extracted by two reviewers and the MINORS criteria were applied to assess the risk of bias. RESULTS Some 66 eligible studies involving 11 560 participants were included. Indocyanine green fluorescence angiography was most used with 10 789 participants, followed by diffuse reflectance spectroscopy with 321, hyperspectral imaging with 265, and laser speckle contrast imaging with 185. In the meta-analysis, the total pooled effect of an intervention on anastomotic leak was 0.05 (95 per cent c.i. 0.04 to 0.07) in comparison with 0.10 (0.08 to 0.12) without. Use of indocyanine green fluorescence angiography, hyperspectral imaging, or laser speckle contrast imaging was associated with a significant reduction in anastomotic leak. CONCLUSION Bowel perfusion assessment reduced the incidence of anastomotic leak, with intraoperative indocyanine green fluorescence angiography, hyperspectral imaging, and laser speckle contrast imaging all demonstrating comparable results.
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Affiliation(s)
- Maxwell S Renna
- School of Biomedical Engineering and Imaging Sciences, King’s College London, London, UK
- Department of General Surgery, Guy’s and St Thomas’ NHS Foundation Trust, London, UK
| | - Mariusz T Grzeda
- School of Biomedical Engineering and Imaging Sciences, King’s College London, London, UK
| | - James Bailey
- Department of General Surgery, University of Nottingham, Nottingham, UK
| | - Alison Hainsworth
- Department of General Surgery, Guy’s and St Thomas’ NHS Foundation Trust, London, UK
| | - Sebastien Ourselin
- School of Biomedical Engineering and Imaging Sciences, King’s College London, London, UK
- Hypervision Surgical Ltd, London, UK
| | | | - Tom Vercauteren
- School of Biomedical Engineering and Imaging Sciences, King’s College London, London, UK
- Hypervision Surgical Ltd, London, UK
| | - Alexis Schizas
- Department of General Surgery, Guy’s and St Thomas’ NHS Foundation Trust, London, UK
| | - Jonathan Shapey
- School of Biomedical Engineering and Imaging Sciences, King’s College London, London, UK
- Hypervision Surgical Ltd, London, UK
- Department of Neurosurgery, King’s College Hospital, London, UK
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Son GM, Nazir AM, Yun MS, Lee IY, Im SB, Kwak JY, Park SH, Baek KR, Gockel I. The Safe Values of Quantitative Perfusion Parameters of ICG Angiography Based on Tissue Oxygenation of Hyperspectral Imaging for Laparoscopic Colorectal Surgery: A Prospective Observational Study. Biomedicines 2023; 11:2029. [PMID: 37509667 PMCID: PMC10377371 DOI: 10.3390/biomedicines11072029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/13/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Safe values for quantitative perfusion parameters of indocyanine green (ICG) angiography have not been fully defined, and interpretation remains at the surgeon's discretion. This prospective observational study aimed to establish the safe values for the quantitative perfusion parameters by comparing tissue oxygenation levels from HSI images in laparoscopic colorectal surgery. METHODS ICG angiography was performed using a laparoscopic near-infrared (NIR) camera system with ICG diluted in 10 mL of distilled water. For quantitative perfusion parameters, the changes in fluorescence intensity with perfusion times were analyzed to plot a time-fluorescence intensity graph. To assess real-time tissue oxygen saturation (StO2) in the colon, the TIVITA® Tissue System was utilized for hyperspectral imaging (HSI) acquisition. The StO2 levels were compared with the quantitative perfusion parameters derived from ICG angiography at corresponding points to define the safe range of ICG parameters reflecting good tissue oxygenation. RESULTS In the regression analysis, T1/2MAX, TMAX, slope, and NIR perfusion index were correlated with tissue oxygen saturation. Using this regression model, the cutoff values of quantitative perfusion parameters were calculated as T1/2MAX ≤ 10 s, TMAX ≤ 30 s, slope ≥ 5, and NIR perfusion index ≥50, which best reflected colon StO2 higher than 60%. Diagnostic values were analyzed to predict colon StO2 of 60% or more, and the ICG perfusion parameters T1/2MAX, TMAX, and perfusion TR showed high sensitivity values of 97% or more, indicating their ability to correctly identify cases with acceptable StO2. CONCLUSION The safe values for quantitative perfusion parameters derived from ICG angiography were T1/2MAX ≤ 10 s and TMAX ≤ 30 s, which were associated with colon tissue oxygenation levels higher than 60% in the laparoscopic colorectal surgery.
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Affiliation(s)
- Gyung Mo Son
- Department of Surgery, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan 50612, Republic of Korea
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (M.S.Y.); (I.Y.L.)
| | - Armaan M. Nazir
- School of Medicine, Royal College of Surgeons in Ireland, University of Medicine and Health Sciences, D02 YN77 Dublin, Ireland;
| | - Mi Sook Yun
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (M.S.Y.); (I.Y.L.)
| | - In Young Lee
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (M.S.Y.); (I.Y.L.)
| | - Sun Bin Im
- Department of Medicine, Pusan National University School of Medicine, Yangsan 50612, Republic of Korea;
| | - Jae Yeong Kwak
- Department of Electronics Engineering, Pusan National University, Busan 46241, Republic of Korea; (J.Y.K.); (S.-H.P.); (K.-R.B.)
| | - Sang-Ho Park
- Department of Electronics Engineering, Pusan National University, Busan 46241, Republic of Korea; (J.Y.K.); (S.-H.P.); (K.-R.B.)
| | - Kwang-Ryul Baek
- Department of Electronics Engineering, Pusan National University, Busan 46241, Republic of Korea; (J.Y.K.); (S.-H.P.); (K.-R.B.)
| | - Ines Gockel
- Department of Visceral, Transplantation, Thoracic and Vascular Surgery, University Hospital Leipzig, 04103 Leipzig, Germany;
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Xu T, Gao X, Yuan H, Li S, Zhou Z, Gong G, Jia G, Zhao G. Real-time semi-quantitative assessment of anastomotic blood perfusion in mini‑invasive rectal resections by Sidestream Dark Field (SDF) imaging technology: a prospective in vivo pilot study. Langenbecks Arch Surg 2023; 408:186. [PMID: 37160767 DOI: 10.1007/s00423-023-02887-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 04/04/2023] [Indexed: 05/11/2023]
Abstract
PURPOSE Anastomotic leakage (AL) is one of the severe complications after rectal surgery, and anastomotic ischemia is one of the main factors. This prospective in vivo pilot study aimed to evaluate the effectiveness of Sidestream Dark Field (SDF) imaging in quantitative assessment of anastomotic microcirculation and to analyze its correlation with AL. METHODS Thirty-three patients with rectal cancer who underwent laparoscopic low anterior resection from 2019 to 2020 were enrolled. Microcirculation was measured by SDF imaging at the descending colon, the mesocolon transection line (MTL), and 1 cm and 2 cm distal to the MTL. Anastomotic microcirculation was measured at the stapler anvil edge before anastomosis. Quantitative perfusion-related parameters were as follows: microcirculation flow index (MFI), perfused vessel density (PVD), proportion of perfused vessels (PPV), and total vessel density (TVD). RESULTS All patients obtained stable microcirculation images. Functional microcirculation parameters (MFI, PPV, PVD) decreased successively from the descending colon, the colon at MTL, and 1 cm and 2 cm distal to the MTL (all P < 0.01). Extremely poor microcirculation was found at the intestinal segment 2 cm distal to the MTL. Micro-perfusion was significantly lower at the colonic limb of the anastomosis compared with the descending colon (all P < 0.001). Anastomotic leakage occurred in 3 patients (9.1%) whose anastomotic microcirculation was significantly lower than those without AL (all P < 0.01). Blood perfusion at the colonic limb of the anastomosis was significantly higher in patients with left colic artery preservation than in controls. CONCLUSION SDF imaging is a promising technique for evaluating anastomotic microcirculation and has potential clinical significance for risk stratification of AL.
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Affiliation(s)
- Tonghai Xu
- Department of Gastrointestinal Surgery, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, 610072, Sichuan Province, China
- Department of Gastrointestinal Surgery, Mei Shan People's Hospital, Mei Shan, 620010, Sichuan Province, China
| | - Xiang Gao
- Department of Gastrointestinal Surgery, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, 610072, Sichuan Province, China
| | - Hao Yuan
- Department of Gastrointestinal Surgery, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, 610072, Sichuan Province, China
| | - Shuang Li
- Department of Gastrointestinal Surgery, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, 610072, Sichuan Province, China
| | - Zili Zhou
- Department of Gastrointestinal Surgery, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, 610072, Sichuan Province, China
| | - Guojin Gong
- Department of Gastrointestinal Surgery, Xi Chang People's Hospital, Xi Chang, 615000, Sichuan Province, China
| | - Guiqing Jia
- Department of Gastrointestinal Surgery, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, 610072, Sichuan Province, China
| | - Gaoping Zhao
- Department of Gastrointestinal Surgery, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, 610072, Sichuan Province, China.
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Ellebrecht DB. Hyperspectral imaging enables the differentiation of differentially inflated and perfused pulmonary tissue: a proof-of-concept study in pulmonary lobectomies for intersegmental plane mapping. BIOMED ENG-BIOMED TE 2023:bmt-2022-0389. [PMID: 36932645 DOI: 10.1515/bmt-2022-0389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 03/02/2023] [Indexed: 03/19/2023]
Abstract
OBJECTIVES The identification of the intersegmental plane is a major interoperative challenges during pulmonary segmentectomies. The objective of this pilot study is to test the feasibility of lung perfusion assessment by Hyperspectral Imaging for identification of the intersegmental plane. METHODS A pilot study (clinicaltrials.org: NCT04784884) was conducted in patients with lung cancer. Measuring tissue oxygenation (StO2; upper tissue perfusion), organ hemoglobin index (OHI), near-infrared index (NIR; deeper tissue perfusion) and tissue water index (TWI), the Hyperspectral Imaging measurements were carried out in inflated (Pvent) and deflated pulmonary lobes (PnV) as well as in deflated pulmonary lobes with divided circulation (PnVC) before dissection of the lobar bronchus. RESULTS A total of 341 measuring points were evaluated during pulmonary lobectomies. Pulmonary lobes showed a reduced StO2 (Pvent: 84.56% ± 3.92 vs. PnV: 63.62% ± 11.62 vs. PnVC: 39.20% ± 23.57; p<0.05) and NIR-perfusion (Pvent: 50.55 ± 5.62 vs. PnV: 47.55 ± 3.38 vs. PnVC: 27.60 ± 9.33; p<0.05). There were no differences of OHI and TWI between the three groups. CONCLUSIONS This pilot study demonstrates that HSI enables differentiation between different ventilated and perfused pulmonary tissue as a precondition for HSI segment mapping.
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Affiliation(s)
- David B Ellebrecht
- Department of Thoracic Surgery, LungClinic Großhansdorf, Großhansdorf, Germany
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11
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Zimmermann A, Köhler H, Chalopin C, Jansen-Winkeln B, Nowotny R, Schönherr T, Mehdorn M, Uttinger KL, Thieme R, Gockel I, Moulla Y. The role of intraoperative hyperspectral imaging (HSI) in colon interposition after esophagectomy. BMC Surg 2023; 23:47. [PMID: 36864396 PMCID: PMC9983190 DOI: 10.1186/s12893-023-01946-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 02/23/2023] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND Colon conduit is an alternative approach to reconstructing the alimentary tract after esophagectomy. Hyperspectral imaging (HSI) has been demonstrated to be effective for evaluating the perfusion of gastric conduits, but not colon conduits. This is the first study to describe this new tool addressing image-guided surgery and supporting esophageal surgeons to select the optimal colon segment for the conduit and anastomotic site intraoperatively. PATIENTS AND METHODS Of 10 patients, eight who underwent reconstruction with a long-segment colon conduit after esophagectomy between 01/05/2018 and 01/04/2022 were included in this study. HSI was recorded at the root and tip of the colon conduit after clamping the middle colic vessels, allowing us to evaluate the perfusion and appropriate part of the colon segment. RESULTS Anastomotic leak (AL) was detected in only one (12.5%) of all the enrolled patients (n = 8). None of the patients developed conduit necrosis. Only one patient required re-anastomosis on postoperative day 4. No patient needed conduit removal, esophageal diversion, or stent placement. There was a change in the anastomosis site to proximal in two patients intraoperatively. There was no need to change the side of colon conduit intraoperatively in any patient. CONCLUSION HSI is a promising and novel intraoperative imaging tool to objectively assess the perfusion of the colon conduit. It helps the surgeon to define the best perfused anastomosis site and the side of colon conduit in this type of operation.
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Affiliation(s)
- Anne Zimmermann
- grid.411339.d0000 0000 8517 9062Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany
| | - Hannes Köhler
- grid.9647.c0000 0004 7669 9786Innovation Center Computer Assisted Surgery (ICCAS), University of Leipzig, Semmelweisstr. 14, D-04103 Leipzig, Germany
| | - Claire Chalopin
- grid.9647.c0000 0004 7669 9786Innovation Center Computer Assisted Surgery (ICCAS), University of Leipzig, Semmelweisstr. 14, D-04103 Leipzig, Germany
| | - Boris Jansen-Winkeln
- grid.459389.a0000 0004 0493 1099Department of General, Visceral, Thoracic and Vascular Surgery, St. Georg Hospital, Delitzscher Str. 141, D-04129 Leipzig, Germany
| | - Robert Nowotny
- grid.411339.d0000 0000 8517 9062Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany
| | - Till Schönherr
- grid.411339.d0000 0000 8517 9062Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany
| | - Matthias Mehdorn
- grid.411339.d0000 0000 8517 9062Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany
| | - Konstantin Lukas Uttinger
- grid.411339.d0000 0000 8517 9062Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany
| | - René Thieme
- grid.411339.d0000 0000 8517 9062Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany
| | - Ines Gockel
- grid.411339.d0000 0000 8517 9062Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany
| | - Yusef Moulla
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Liebigstr. 20, D-04103, Leipzig, Germany.
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12
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Rodríguez-Luna MR, Okamoto N, Cinelli L, Baratelli L, Ségaud S, Rodríguez-Gómez A, Keller DS, Zonoobi E, Bannone E, Marescaux J, Diana M, Gioux S. Quantification of bowel ischaemia using real-time multispectral Single Snapshot Imaging of Optical Properties (SSOP). Surg Endosc 2023; 37:2395-2403. [PMID: 36443562 PMCID: PMC10017661 DOI: 10.1007/s00464-022-09764-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 11/06/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Single snapshot imaging of optical properties (SSOP) is a relatively new non-invasive, real-time, contrast-free optical imaging technology, which allows for the real-time quantitative assessment of physiological properties, including tissue oxygenation (StO2). This study evaluates the accuracy of multispectral SSOP in quantifying bowel ischaemia in a preclinical experimental model. METHODS In six pigs, an ischaemic bowel segment was created by dividing the arcade branches. Five regions of interest (ROIs) were identified on the bowel loop, as follows: ROI 1: central ischaemic; ROI 2: left marginal; ROI 3: left vascularised; ROI 4: right marginal; and ROI 5: right vascularised. The Trident imaging system, specifically developed for real-time tissue oxygenation imaging using SSOP, was used to image before (T0) and after ischaemia induction. Capillary and systemic lactates were measured at each time point (T0, T15, T30, T45, T60), as well as StO2 values acquired by means of SSOP (SSOP-StO2). RESULTS The mean value of SSOP-StO2 in ROI 1 was 30.08 ± 6.963 and was significantly lower when compared to marginal ROIs (ROI 2 + ROI 4: 45.67 ± 10.02 p = < 0.0001), and to vascularised ROIs (ROI 3 + ROI 5: 48.08 ± 7.083 p = < 0.0001). SSOP-StO2 was significantly correlated with normalised lactates r = - 0.5892 p < 0.0001 and with histology r =- 0.6251 p = 0.0002. CONCLUSION Multispectral SSOP allows for a contrast-free accurate assessment of small bowel perfusion identifying physiological tissue oxygenation as confirmed with perfusion biomarkers.
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Affiliation(s)
- María Rita Rodríguez-Luna
- Research Institute Against Digestive Cancer (IRCAD), 1, place de l'Hôpital, 67000, Strasbourg Cedex, France.
- University of Strasbourg, ICube Laboratory, Strasbourg, France.
| | - Nariaki Okamoto
- Research Institute Against Digestive Cancer (IRCAD), 1, place de l'Hôpital, 67000, Strasbourg Cedex, France
- University of Strasbourg, ICube Laboratory, Strasbourg, France
| | - Lorenzo Cinelli
- Research Institute Against Digestive Cancer (IRCAD), 1, place de l'Hôpital, 67000, Strasbourg Cedex, France
- Department of Gastrointestinal Surgery, San Raffaele Hospital IRCCS, Milan, Italy
| | | | - Silvère Ségaud
- University of Strasbourg, ICube Laboratory, Strasbourg, France
| | | | - Deborah S Keller
- Marks Colorectal Surgical Associates, Lankenau Medical Center, Main Line Health, Wynnewood, PA, USA
| | - Elham Zonoobi
- Edinburgh Molecular Imaging Ltd. (EMI), Edinburgh, EH16 4UX, UK
- Department of Surgery, Leiden University Medical Center, 2300 RC, Leiden, The Netherlands
| | - Elisa Bannone
- Research Institute Against Digestive Cancer (IRCAD), 1, place de l'Hôpital, 67000, Strasbourg Cedex, France
- Department of General and Pancreatic surgery - The Pancreas Institute, University of Verona, Verona, Italy
| | - Jacques Marescaux
- Research Institute Against Digestive Cancer (IRCAD), 1, place de l'Hôpital, 67000, Strasbourg Cedex, France
| | - Michele Diana
- Research Institute Against Digestive Cancer (IRCAD), 1, place de l'Hôpital, 67000, Strasbourg Cedex, France
- University of Strasbourg, ICube Laboratory, Strasbourg, France
| | - Sylvain Gioux
- University of Strasbourg, ICube Laboratory, Strasbourg, France
- Intuitive Surgical Sàrl, Aubonne, Switzerland
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13
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Vaz Pimentel D, Merten L, Gosemann JH, Gockel I, Jansen-Winkeln B, Mayer S, Lacher M. Hyperspectral Imaging-A Novel Tool to Assess Tissue Perfusion and Oxygenation in Esophageal Anastomoses. European J Pediatr Surg Rep 2023; 11:e32-e35. [PMID: 37312936 PMCID: PMC10260350 DOI: 10.1055/s-0043-1769106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 10/03/2022] [Indexed: 06/15/2023] Open
Abstract
Anastomotic stricture and leakage are common complications after repair of esophageal atresia (EA). A compromised perfusion of the anastomosis is a contributing factor. Hyperspectral imaging (HSI) is an ultrashort noninvasive method to measure tissue perfusion. We present two cases of with tracheoesophageal fistula (TEF)/EA repair, in whom we applied HSI: the first patient was a newborn with EA type C who underwent open TEF repair. The second one had an EA type A and cervical esophagostomy, in whom we performed gastric transposition. In both patients, HSI confirmed a good tissue perfusion of the later anastomosis. The postoperative course was uneventful and both patients are on full enteral feeds. We conclude that HSI is a safe and noninvasive tool that allows near real-time assessment of tissue perfusion and can contribute to the identification of the optimal anastomotic region during pediatric esophageal surgery.
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Affiliation(s)
- Duarte Vaz Pimentel
- Department of Pediatric Surgery, University Hospital Leipzig, Leipzig, Sachsen, Germany
| | - Larissa Merten
- Department of Pediatric Surgery, University Hospital Leipzig, Leipzig, Sachsen, Germany
| | - Jan-Hendrik Gosemann
- Department of Pediatric Surgery, University Hospital Leipzig, Leipzig, Sachsen, Germany
| | - Ines Gockel
- Department of Visceral, Transplantation, Thoracic and Vascular Surgery, University Hospital Leipzig, Leipzig, Sachsen, Germany
| | - Boris Jansen-Winkeln
- Department of Visceral, Transplantation, Thoracic and Vascular Surgery, University Hospital Leipzig, Leipzig, Sachsen, Germany
| | - Steffi Mayer
- Department of Pediatric Surgery, University Hospital Leipzig, Leipzig, Sachsen, Germany
| | - Martin Lacher
- Department of Pediatric Surgery, University Hospital Leipzig, Leipzig, Sachsen, Germany
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14
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Hren R, Sersa G, Simoncic U, Milanic M. Imaging perfusion changes in oncological clinical applications by hyperspectral imaging: a literature review. Radiol Oncol 2022; 56:420-9. [PMID: 36503709 DOI: 10.2478/raon-2022-0051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 11/02/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Hyperspectral imaging (HSI) is a promising imaging modality that uses visible light to obtain information about blood flow. It has the distinct advantage of being noncontact, nonionizing, and noninvasive without the need for a contrast agent. Among the many applications of HSI in the medical field are the detection of various types of tumors and the evaluation of their blood flow, as well as the healing processes of grafts and wounds. Since tumor perfusion is one of the critical factors in oncology, we assessed the value of HSI in quantifying perfusion changes during interventions in clinical oncology through a systematic review of the literature. MATERIALS AND METHODS The PubMed and Web of Science electronic databases were searched using the terms "hyperspectral imaging perfusion cancer" and "hyperspectral imaging resection cancer". The inclusion criterion was the use of HSI in clinical oncology, meaning that all animal, phantom, ex vivo, experimental, research and development, and purely methodological studies were excluded. RESULTS Twenty articles met the inclusion criteria. The anatomic locations of the neoplasms in the selected articles were as follows: kidneys (1 article), breasts (2 articles), eye (1 article), brain (4 articles), entire gastrointestinal (GI) tract (1 article), upper GI tract (5 articles), and lower GI tract (6 articles). CONCLUSIONS HSI is a potentially attractive imaging modality for clinical application in oncology, with assessment of mastectomy skin flap perfusion after reconstructive breast surgery and anastomotic perfusion during reconstruction of gastrointenstinal conduit as the most promising at present.
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15
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Zhang L, Huang D, Chen X, Zhu L, Chen X, Xie Z, Huang G, Gao J, Shi W, Cui G. Visible near-infrared hyperspectral imaging and supervised classification for the detection of small intestinal necrosis tissue in vivo. Biomed Opt Express 2022; 13:6061-6080. [PMID: 36733734 PMCID: PMC9872898 DOI: 10.1364/boe.470202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 09/23/2022] [Accepted: 09/26/2022] [Indexed: 06/18/2023]
Abstract
Complete recognition of necrotic areas during small bowel tissue resection remains challenging due to the lack of optimal intraoperative aid identification techniques. This research utilizes hyperspectral imaging techniques to automatically distinguish normal and necrotic areas of small intestinal tissue. Sample data were obtained from the animal model of small intestinal tissue of eight Japanese large-eared white rabbits developed by experienced physicians. A spectral library of normal and necrotic regions of small intestinal tissue was created and processed using six different supervised classification algorithms. The results show that hyperspectral imaging combined with supervised classification algorithms can be a suitable technique to automatically distinguish between normal and necrotic areas of small intestinal tissue. This new technique could aid physicians in objectively identify normal and necrotic areas of small intestinal tissue.
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Affiliation(s)
- LeChao Zhang
- College of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun, Jilin, 130000, China
- Zhongshan Research Institute, Changchun University of Science and Technology, Zhongshan, Guangdong, 528400, China
| | - DanFei Huang
- College of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun, Jilin, 130000, China
- Zhongshan Research Institute, Changchun University of Science and Technology, Zhongshan, Guangdong, 528400, China
| | - XiaoJing Chen
- College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou, Zhejiang, 325000, China
| | - LiBin Zhu
- Pediatric General Surgery, The Second Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - XiaoQing Chen
- Pediatric General Surgery, The Second Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - ZhongHao Xie
- College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou, Zhejiang, 325000, China
| | - GuangZao Huang
- College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou, Zhejiang, 325000, China
| | - JunZhao Gao
- College of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun, Jilin, 130000, China
- Zhongshan Research Institute, Changchun University of Science and Technology, Zhongshan, Guangdong, 528400, China
| | - Wen Shi
- College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou, Zhejiang, 325000, China
| | - GuiHua Cui
- College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou, Zhejiang, 325000, China
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16
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Barberio M, Lapergola A, Benedicenti S, Mita M, Barbieri V, Rubichi F, Altamura A, Giaracuni G, Tamburini E, Diana M, Pizzicannella M, Viola MG. Intraoperative bowel perfusion quantification with hyperspectral imaging: a guidance tool for precision colorectal surgery. Surg Endosc 2022; 36:8520-8532. [PMID: 35836033 DOI: 10.1007/s00464-022-09407-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 06/19/2022] [Indexed: 02/07/2023]
Abstract
BACKGROUND Poor anastomotic perfusion can cause anastomotic leaks (AL). Hyperspectral imaging (HSI), previously validated experimentally, provides accurate, real-time, contrast-free intestinal perfusion quantification. Clinical experience with HSI is limited. In this study, HSI was used to evaluate bowel perfusion intraoperatively. METHODS Fifty-two patients undergoing elective colorectal surgeries for neoplasia (n = 40) or diverticular disease (n = 12), were enrolled. Intestinal perfusion was assessed with HSI (TIVITA®, Diaspective Vision, Am Salzhaff, Germany). This device generates a perfusion heat map reflecting the tissue oxygen saturation (StO2) amount. Prior to anastomose creation, the clinical transection line (CTL) was highlighted on the proximal bowel and imaged with HSI. Upon StO2 heat map evaluation, the hyperspectral transection line (HTL) was identified. In case of CTL/HTL discrepancy > 5 mm, the bowel was always resected at the HTL. HSI outcomes were compared to the clinical ones. RESULTS AL occurred in one patient who underwent neoadjuvant radiochemotherapy and ultralow anterior resection for rectal cancer. HSI assessment was feasible in all patients, and StO2-values were significantly higher at proximal segments than distal ones. Twenty-six patients showed CTL/HTL discrepancy, and these patients had a lower mean StO2 (54.55 ± 21.30%) than patients without discrepancy (65.10 ± 21.30%, p = 0.000). Patients undergoing neoadjuvant radiochemotherapy showed a lower StO2 (51.41 ± 23.41%) than non-neoadjuvated patients (60.51 ± 24.98%, p = 0.010). CONCLUSION HSI is useful in detecting intraoperatively marginally perfused segments, for which the clinical appreciation is unreliable. Intestinal vascular supply is lower in patients undergoing neoadjuvant radiochemotherapy, and this novel finding together with the clinical impact of HSI perfusion quantification deserves further investigation in larger trials.
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Affiliation(s)
- Manuel Barberio
- Department of Surgery, Ospedale Card. G. Panico, Tricase, Italy.
- Department of Research, Research Institute Against Digestive Cancer (IRCAD), 1, place de l'Hôpital, 67091, Strasbourg, France.
| | - Alfonso Lapergola
- Department of Visceral and Digestive, Nouvel Hôpital Civil (NHC), Strasbourg, France
| | | | | | | | | | - Amedeo Altamura
- Department of Surgery, Ospedale Card. G. Panico, Tricase, Italy
| | | | | | - Michele Diana
- Department of Research, Research Institute Against Digestive Cancer (IRCAD), 1, place de l'Hôpital, 67091, Strasbourg, France
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17
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Wagner T, Radunz S, Becker F, Chalopin C, Kohler H, Gockel I, Jansen-Winkeln B. Hyperspectral imaging detects perfusion and oxygenation differences between stapled and hand-sewn intestinal anastomoses. Innov Surg Sci 2022; 7:59-63. [PMID: 36317013 PMCID: PMC9574651 DOI: 10.1515/iss-2022-0007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 05/25/2022] [Indexed: 08/16/2023] Open
Abstract
OBJECTIVES Hand-sewn and stapled intestinal anastomoses are both daily performed routine procedures by surgeons. Yet, differences in micro perfusion of these two surgical techniques and their impact on surgical outcomes are still insufficiently understood. Only recently, hyperspectral imaging (HSI) has been established as a non-invasive, contact-free, real-time assessment tool for tissue oxygenation and micro-perfusion. Hence, objective of this study was HSI assessment of different intestinal anastomotic techniques and analysis of patients' clinical outcome. METHODS Forty-six consecutive patients with an ileal-ileal anastomoses were included in our study; 21 side-to-side stapled and 25 end-to-end hand-sewn. Based on adsorption and reflectance of the analyzed tissue, chemical color imaging indicates oxygen saturation (StO2), tissue perfusion (near-infrared perfusion index [NIR]), organ hemoglobin index (OHI), and tissue water index (TWI). RESULTS StO2 as well as NIR of the region of interest (ROI) was significantly higher in stapled anastomoses as compared to hand-sewn ileal-ileal anastomoses (StO2 0.79 (0.74-0.81) vs. 0.66 (0.62-0.70); p<0.001 NIR 0.83 (0.70-0.86) vs. 0.70 (0.63-0.76); p=0.01). In both groups, neither anastomotic leakage nor abdominal septic complications nor patient death did occur. CONCLUSIONS Intraoperative HSI assessment is able to detect significant differences in tissue oxygenation and NIR of hand-sewn and stapled intestinal anastomoses. Long-term clinical consequences resulting from the reduced tissue oxygenation and tissue perfusion in hand-sewn anastomoses need to be evaluated in larger clinical trials, as patients may benefit from further refined surgical techniques.
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Affiliation(s)
- Tristan Wagner
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
- Department of General, Visceral and Transplant Surgery, University Hospital of Münster, Münster, Germany
| | - Sonia Radunz
- Department of General, Visceral and Transplant Surgery, University Hospital of Münster, Münster, Germany
| | - Felix Becker
- Department of General, Visceral and Transplant Surgery, University Hospital of Münster, Münster, Germany
| | - Claire Chalopin
- Innovation Center Computer Assisted Surgery, University of Leipzig, Leipzig, Germany
| | - Hannes Kohler
- Innovation Center Computer Assisted Surgery, University of Leipzig, Leipzig, Germany
| | - Ines Gockel
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Boris Jansen-Winkeln
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
- Department of General, Visceral and Vascular-Surgery, St. George’s Hospital of Leipzig, Leipzig, Germany
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18
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Pfahl A, Köhler H, Thomaßen MT, Maktabi M, Bloße AM, Mehdorn M, Lyros O, Moulla Y, Niebisch S, Jansen-Winkeln B, Chalopin C, Gockel I. Video: Clinical evaluation of a laparoscopic hyperspectral imaging system. Surg Endosc 2022; 36:7794-7799. [PMID: 35546207 PMCID: PMC9485189 DOI: 10.1007/s00464-022-09282-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/16/2022] [Indexed: 11/30/2022]
Abstract
Background Hyperspectral imaging (HSI) during surgical procedures is a new method for perfusion quantification and tissue discrimination. Its use has been limited to open surgery due to large camera sizes, missing color video, or long acquisition times. A hand-held, laparoscopic hyperspectral camera has been developed now to overcome those disadvantages and evaluated clinically for the first time. Methods In a clinical evaluation study, gastrointestinal resectates of ten cancer patients were investigated using the laparoscopic hyperspectral camera. Reference data from corresponding anatomical regions were acquired with a clinically approved HSI system. An image registration process was executed that allowed for pixel-wise comparisons of spectral data and parameter images (StO2: oxygen saturation of tissue, NIR PI: near-infrared perfusion index, OHI: organ hemoglobin index, TWI: tissue water index) provided by both camera systems. The mean absolute error (MAE) and root mean square error (RMSE) served for the quantitative evaluations. Spearman’s rank correlation between factors related to the study design like the time of spectral white balancing and MAE, respectively RMSE, was calculated. Results The obtained mean MAEs between the TIVITA® Tissue and the laparoscopic hyperspectral system resulted in StO2: 11% ± 7%, NIR PI: 14±3, OHI: 14± 5, and TWI: 10 ± 2. The mean RMSE between both systems was 0.1±0.03 from 500 to 750 nm and 0.15 ±0.06 from 750 to 1000 nm. Spearman’s rank correlation coefficients showed no significant correlation between MAE or RMSE and influencing factors related to the study design. Conclusion Qualitatively, parameter images of the laparoscopic system corresponded to those of the system for open surgery. Quantitative deviations were attributed to technical differences rather than the study design. Limitations of the presented study are addressed in current large-scale in vivo trials. Supplementary Information The online version contains supplementary material available at 10.1007/s00464-022-09282-y.
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Affiliation(s)
- Annekatrin Pfahl
- Innovation Center Computer Assisted Surgery (ICCAS), Faculty of Medicine, Leipzig University, Semmelweisstr. 14, 04103, Leipzig, Germany.
| | - Hannes Köhler
- Innovation Center Computer Assisted Surgery (ICCAS), Faculty of Medicine, Leipzig University, Semmelweisstr. 14, 04103, Leipzig, Germany
| | - Madeleine T Thomaßen
- Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Marianne Maktabi
- Innovation Center Computer Assisted Surgery (ICCAS), Faculty of Medicine, Leipzig University, Semmelweisstr. 14, 04103, Leipzig, Germany
| | - Albrecht M Bloße
- Innovation Center Computer Assisted Surgery (ICCAS), Faculty of Medicine, Leipzig University, Semmelweisstr. 14, 04103, Leipzig, Germany
| | - Matthias Mehdorn
- Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Orestis Lyros
- Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Yusef Moulla
- Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Stefan Niebisch
- Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Boris Jansen-Winkeln
- Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany.,Department of General, Visceral, Thoracic, and Vascular Surgery, Klinikum St. Georg, Leipzig, Germany
| | - Claire Chalopin
- Innovation Center Computer Assisted Surgery (ICCAS), Faculty of Medicine, Leipzig University, Semmelweisstr. 14, 04103, Leipzig, Germany
| | - Ines Gockel
- Department of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
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19
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Pfahl A, Radmacher GK, Köhler H, Maktabi M, Neumuth T, Melzer A, Gockel I, Chalopin C, Jansen-Winkeln B. Combined indocyanine green and quantitative perfusion assessment with hyperspectral imaging during colorectal resections. Biomed Opt Express 2022; 13:3145-3160. [PMID: 35774324 PMCID: PMC9203086 DOI: 10.1364/boe.452076] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/09/2022] [Accepted: 03/09/2022] [Indexed: 05/26/2023]
Abstract
Anastomotic insufficiencies still represent one of the most severe complications in colorectal surgery. Since tissue perfusion highly affects anastomotic healing, its objective assessment is an unmet clinical need. Indocyanine green-based fluorescence angiography (ICG-FA) and hyperspectral imaging (HSI) have received great interest in recent years but surgeons have to decide between both techniques. For the first time, two data processing pipelines capable of reconstructing an ICG-FA correlating signal from hyperspectral data were developed. Results were technically evaluated and compared to ground truth data obtained during colorectal resections. In 87% of 46 data sets, the reconstructed images resembled the ground truth data. The combined applicability of ICG-FA and HSI within one imaging system might provide supportive and complementary information about tissue vascularization, shorten surgery time, and reduce perioperative mortality.
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Affiliation(s)
- A. Pfahl
- Innovation Center Computer Assisted Surgery
(ICCAS), Faculty of Medicine, Leipzig
University, Leipzig, 04103, Germany
- Contributed equally
| | - G. K. Radmacher
- Department of Visceral, Thoracic,
Transplant, and Vascular Surgery, University Hospital of
Leipzig, Leipzig, 04103, Germany
- Contributed equally
| | - H. Köhler
- Innovation Center Computer Assisted Surgery
(ICCAS), Faculty of Medicine, Leipzig
University, Leipzig, 04103, Germany
| | - M. Maktabi
- Innovation Center Computer Assisted Surgery
(ICCAS), Faculty of Medicine, Leipzig
University, Leipzig, 04103, Germany
| | - T. Neumuth
- Innovation Center Computer Assisted Surgery
(ICCAS), Faculty of Medicine, Leipzig
University, Leipzig, 04103, Germany
| | - A. Melzer
- Innovation Center Computer Assisted Surgery
(ICCAS), Faculty of Medicine, Leipzig
University, Leipzig, 04103, Germany
- Institute for Medical Science and
Technology (IMSaT), University of Dundee,
Dundee, DD2 1FD, United Kingdom
| | - I. Gockel
- Department of Visceral, Thoracic,
Transplant, and Vascular Surgery, University Hospital of
Leipzig, Leipzig, 04103, Germany
| | - C. Chalopin
- Innovation Center Computer Assisted Surgery
(ICCAS), Faculty of Medicine, Leipzig
University, Leipzig, 04103, Germany
| | - B. Jansen-Winkeln
- Department of Visceral, Thoracic,
Transplant, and Vascular Surgery, University Hospital of
Leipzig, Leipzig, 04103, Germany
- Department of General, Visceral, Thoracic,
and Vascular Surgery, Klinikum St. Georg,
Leipzig, 04129, Germany
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20
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Mehdorn M, Gockel I, Jansen-Winkeln B, Meyer HJ. Akute Mesenterialischämie. coloproctology 2022. [DOI: 10.1007/s00053-022-00594-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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21
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Jansen-winkeln B, Dvorak M, Köhler H, Maktabi M, Mehdorn M, Chalopin C, Diana M, Gockel I, Barberio M. Border Line Definition Using Hyperspectral Imaging in Colorectal Resections. Cancers (Basel) 2022; 14:1188. [PMID: 35267496 PMCID: PMC8909141 DOI: 10.3390/cancers14051188] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/14/2022] [Accepted: 02/16/2022] [Indexed: 02/04/2023] Open
Abstract
Simple Summary Good oxygenation of both bowel ends is an important prerequisite to promote anastomotic healing after colorectal resections. Bowel oxygenation is usually assessed clinically. Hyperspectral imaging is a contactless and contrast-free tool that allows quantifying tissue oxygen intraoperatively. In this study, the results of 105 colorectal resections with hyperspectral imaging are reported. Abstract Background: A perfusion deficit is a well-defined and intraoperatively influenceable cause of anastomotic leak (AL). Current intraoperative perfusion assessment methods do not provide objective and quantitative results. In this study, the ability of hyperspectral imaging (HSI) to quantify tissue oxygenation intraoperatively was assessed. Methods: 115 patients undergoing colorectal resections were included in the final analysis. Before anastomotic formation, the bowel was extracted and the resection line was outlined and imaged using a compact HSI camera, in order to provide instantaneously quantitative perfusion assessment. Results: In 105 patients, a clear demarcation line was visible with HSI one minute after marginal artery transection, reaching a plateau after 3 min. In 58 (55.2%) patients, the clinically determined transection line matched with HSI. In 23 (21.9%) patients, the clinically established resection margin was entirely within the less perfused area. In 24 patients (22.8%), the HSI transection line had an irregular course and crossed the clinically established resection line. In four cases, HSI disclosed a clinically undetected lesion of the marginal artery. Conclusions: Intraoperative HSI is safe, well reproducible, and does not disrupt the surgical workflow. It also quantifies bowel surface perfusion. HSI might become an intraoperative guidance tool, potentially preventing postoperative complications.
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22
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Knospe L, Gockel I, Jansen-Winkeln B, Thieme R, Niebisch S, Moulla Y, Stelzner S, Lyros O, Diana M, Marescaux J, Chalopin C, Köhler H, Pfahl A, Maktabi M, Park JH, Yang HK. New Intraoperative Imaging Tools and Image-Guided Surgery in Gastric Cancer Surgery. Diagnostics (Basel) 2022; 12:diagnostics12020507. [PMID: 35204597 PMCID: PMC8871069 DOI: 10.3390/diagnostics12020507] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 02/06/2022] [Accepted: 02/10/2022] [Indexed: 02/05/2023] Open
Abstract
Innovations and new advancements in intraoperative real-time imaging have gained significant importance in the field of gastric cancer surgery in the recent past. Currently, the most promising procedures include indocyanine green fluorescence imaging (ICG-FI) and hyperspectral imaging or multispectral imaging (HSI, MSI). ICG-FI is utilized in a broad range of clinical applications, e.g., assessment of perfusion or lymphatic drainage, and additional implementations are currently investigated. HSI is still in the experimental phase and its value and clinical relevance require further evaluation, but initial studies have shown a successful application in perfusion assessment, and prospects concerning non-invasive tissue and tumor classification are promising. The application of machine learning and artificial intelligence technologies might enable an automatic evaluation of the acquired image data in the future. Both methods facilitate the accurate visualization of tissue characteristics that are initially indistinguishable for the human eye. By aiding surgeons in optimizing the surgical procedure, image-guided surgery can contribute to the oncologic safety and reduction of complications in gastric cancer surgery and recent advances hold promise for the application of HSI in intraoperative tissue diagnostics.
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Affiliation(s)
- Luise Knospe
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig AöR, 04103 Leipzig, Germany; (L.K.); (B.J.-W.); (R.T.); (S.N.); (Y.M.); (S.S.); (O.L.)
| | - Ines Gockel
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig AöR, 04103 Leipzig, Germany; (L.K.); (B.J.-W.); (R.T.); (S.N.); (Y.M.); (S.S.); (O.L.)
- Correspondence:
| | - Boris Jansen-Winkeln
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig AöR, 04103 Leipzig, Germany; (L.K.); (B.J.-W.); (R.T.); (S.N.); (Y.M.); (S.S.); (O.L.)
- Department of General, Visceral and Oncological Surgery, St. Georg Hospital, 04129 Leipzig, Germany
| | - René Thieme
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig AöR, 04103 Leipzig, Germany; (L.K.); (B.J.-W.); (R.T.); (S.N.); (Y.M.); (S.S.); (O.L.)
| | - Stefan Niebisch
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig AöR, 04103 Leipzig, Germany; (L.K.); (B.J.-W.); (R.T.); (S.N.); (Y.M.); (S.S.); (O.L.)
| | - Yusef Moulla
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig AöR, 04103 Leipzig, Germany; (L.K.); (B.J.-W.); (R.T.); (S.N.); (Y.M.); (S.S.); (O.L.)
| | - Sigmar Stelzner
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig AöR, 04103 Leipzig, Germany; (L.K.); (B.J.-W.); (R.T.); (S.N.); (Y.M.); (S.S.); (O.L.)
| | - Orestis Lyros
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig AöR, 04103 Leipzig, Germany; (L.K.); (B.J.-W.); (R.T.); (S.N.); (Y.M.); (S.S.); (O.L.)
| | - Michele Diana
- Institute for Research against Digestive Cancer (IRCAD), 67091 Strasbourg, France; (M.D.); (J.M.)
- ICUBE Laboratory, Photonics Instrumentation for Health, University of Strasbourg, 67400 Strasbourg, France
- Department of General, Digestive, and Endocrine Surgery, University Hospital of Strasbourg, 67091 Strasbourg, France
| | - Jacques Marescaux
- Institute for Research against Digestive Cancer (IRCAD), 67091 Strasbourg, France; (M.D.); (J.M.)
| | - Claire Chalopin
- Innovation Center Computer Assisted Surgery (ICCAS), Leipzig University, 04103 Leipzig, Germany; (C.C.); (H.K.); (A.P.); (M.M.)
| | - Hannes Köhler
- Innovation Center Computer Assisted Surgery (ICCAS), Leipzig University, 04103 Leipzig, Germany; (C.C.); (H.K.); (A.P.); (M.M.)
| | - Annekatrin Pfahl
- Innovation Center Computer Assisted Surgery (ICCAS), Leipzig University, 04103 Leipzig, Germany; (C.C.); (H.K.); (A.P.); (M.M.)
| | - Marianne Maktabi
- Innovation Center Computer Assisted Surgery (ICCAS), Leipzig University, 04103 Leipzig, Germany; (C.C.); (H.K.); (A.P.); (M.M.)
| | - Ji-Hyeon Park
- Department of Surgery, Seoul National University Hospital, Seoul 03080, Korea; (J.-H.P.); (H.-K.Y.)
| | - Han-Kwang Yang
- Department of Surgery, Seoul National University Hospital, Seoul 03080, Korea; (J.-H.P.); (H.-K.Y.)
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23
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Sucher R, Scheuermann U, Rademacher S, Lederer A, Sucher E, Hau HM, Brandacher G, Schneeberger S, Gockel I, Seehofer D. Intraoperative reperfusion assessment of human pancreas allografts using hyperspectral imaging (HSI). Hepatobiliary Surg Nutr 2022; 11:67-77. [PMID: 35284501 PMCID: PMC8847868 DOI: 10.21037/hbsn-20-744] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 12/24/2020] [Indexed: 12/11/2022]
Abstract
Background The most common causes of early graft loss in pancreas transplantation are insufficient blood supply and leakage of the intestinal anastomosis. Therefore, it is critical to monitor graft perfusion and oxygenation during the early post-transplant period. The goal of our pilot study was to evaluate the utility of hyperspectral imaging (HSI) in monitoring the microcirculation of the graft and adequate perfusion of the intestinal anastomosis during pancreatic allotransplantation. Methods We imaged pancreatic grafts and intestinal anastomosis in real-time in three consecutive, simultaneous pancreas-kidney transplantations using the TIVITA® HSI system. Further, the intraoperative oxygen saturation (StO2), tissue perfusion (near-infrared perfusion index, NIR), organ hemoglobin index (OHI), and tissue water index (TWI) were measured 15 minutes after reperfusion by HSI. Results All pancreas grafts showed a high and homogeneous StO2 (92.6%±10.45%). Intraoperative HSI analysis of the intestinal anastomosis displayed significant differences of StO2 (graft duodenum 67.46%±5.60% vs. recipient jejunum: 75.93%±4.71%, P<0.001) and TWI {graft duodenum: 0.63±0.09 [I (Index)] vs. recipient jejunum: 0.72±0.09 [I], P<0.001}. NIR and OHI did not display remarkable differences {NIR duodenum: 0.68±0.06 [I] vs. NIR jejunum: 0.69±0.04 [I], P=0.747; OHI duodenum: 0.70±0.12 [I] vs. OHI jejunum: 0.68±0.13 [I], P=0.449}. All 3 patients had an uneventful postoperative course with one displaying a Banff 1a rejection which was responsive to steroid treatment. Conclusions Our study shows that contact-free HSI has potential utility as a novel tool for real-time monitoring of human pancreatic grafts after reperfusion, which could improve the outcome of pancreas transplantation. Further investigations are required to determine the predictive value of intraoperative HSI imaging.
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Affiliation(s)
- Robert Sucher
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Leipzig, Germany
| | - Uwe Scheuermann
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Leipzig, Germany
| | - Sebastian Rademacher
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Leipzig, Germany
| | - Andri Lederer
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Leipzig, Germany
| | - Elisabeth Sucher
- Division of Hepatology, Clinic and Polyclinic for Gastroenterology, Hepatology, Infectiology, and Pneumology, University Hospital Leipzig, Leipzig, Germany
| | - Hans-Michael Hau
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Leipzig, Germany.,Department of Visceral, Transplantation, Vascular and Thoracic Surgery, University Hospital of Dresden, Dresden, Germany
| | - Gerald Brandacher
- Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University, Baltimore, MD, USA
| | - Stefan Schneeberger
- Department of Visceral, Transplant and Thoracic Surgery, Innsbruck Medical University, Innsbruck, Austria
| | - Ines Gockel
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Leipzig, Germany
| | - Daniel Seehofer
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Leipzig, Germany
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24
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Grambow E, Sandkühler NA, Groß J, Thiem DGE, Dau M, Leuchter M, Weinrich M. Evaluation of Hyperspectral Imaging for Follow-Up Assessment after Revascularization in Peripheral Artery Disease. J Clin Med 2022; 11:758. [PMID: 35160210 PMCID: PMC8836513 DOI: 10.3390/jcm11030758] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/26/2022] [Accepted: 01/28/2022] [Indexed: 12/14/2022] Open
Abstract
Background: Assessment of tissue oxygenation is an important aspect of detection and monitoring of patients with peripheral artery disease (PAD). Hyperspectral imaging (HSI) is a non-contact technology for assessing microcirculatory function by quantifying tissue oxygen saturation (StO2). This study investigated whether HSI can be used to monitor skin oxygenation in patients with PAD after appropriate treatment of the lower extremities. Methods: For this purpose, 37 patients with PAD were studied by means of ankle–brachial index (ABI) and HSI before and after surgical or endovascular therapy. Thereby, the oxygenation parameter StO2 and near infrared (NIR) perfusion index were quantified in seven angiosomes on the diseased lower leg and foot. In addition, the effects of skin temperature and physical activity on StO2 and the NIR perfusion index and the respective inter-operator variability of these parameters were investigated in 25 healthy volunteers. Results: In all patients, the ABI significantly increased after surgical and endovascular therapy. In parallel, HSI revealed significant changes in both StO2 and NIR perfusion index in almost all studied angiosomes depending on the performed treatment. The increase in tissue oxygenation saturation was especially pronounced after surgical treatment. Neither heat nor cold, nor physical activity, nor repeated assessments of HSI parameters by independent investigators significantly affected the results on StO2 and the NIR perfusion index. Conclusions: Tissue oxygen saturation data obtained with HSI are robust to external confounders, such as temperature and physical activity, and do not show inter-operator variability; therefore, can be used as an additional technique to established methods, such as the ABI, to monitor peripheral perfusion in patients with PAD.
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25
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Pruimboom T, Lindelauf AAMA, Felli E, Sawor JH, Deliaert AEK, van der Hulst RRWJ, Al-Taher M, Diana M, Schols RM. Perioperative Hyperspectral Imaging to Assess Mastectomy Skin Flap and DIEP Flap Perfusion in Immediate Autologous Breast Reconstruction: A Pilot Study. Diagnostics (Basel) 2022; 12:diagnostics12010184. [PMID: 35054352 PMCID: PMC8774932 DOI: 10.3390/diagnostics12010184] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/03/2022] [Accepted: 01/10/2022] [Indexed: 12/10/2022] Open
Abstract
Mastectomy skin flap necrosis (MSFN) and partial DIEP (deep inferior epigastric artery perforator) flap loss represent two frequently reported complications in immediate autologous breast reconstruction. These complications could be prevented when areas of insufficient tissue perfusion are detected intraoperatively. Hyperspectral imaging (HSI) is a relatively novel, non-invasive imaging technique, which could be used to objectively assess tissue perfusion through analysis of tissue oxygenation patterns (StO2%), near-infrared (NIR%), tissue hemoglobin (THI%), and tissue water (TWI%) perfusion indices. This prospective clinical pilot study aimed to evaluate the efficacy of HSI for tissue perfusion assessment and to identify a cut-off value for flap necrosis. Ten patients with a mean age of 55.4 years underwent immediate unilateral autologous breast reconstruction. Prior, during and up to 72 h after surgery, a total of 19 hyperspectral images per patient were acquired. MSFN was observed in 3 out of 10 patients. No DIEP flap necrosis was observed. In all MSFN cases, an increased THI% and decreased StO2%, NIR%, and TWI% were observed when compared to the vital group. StO2% was found to be the most sensitive parameter to detect MSFN with a statistically significant lower mean StO2% (51% in the vital group versus 32% in the necrosis group, p < 0.0001) and a cut-off value of 36.29% for flap necrosis. HSI has the potential to accurately assess mastectomy skin flap perfusion and discriminate between vital and necrotic skin flap during the early postoperative period prior to clinical observation. Although the results should be confirmed in future studies, including DIEP flap necrosis specifically, these findings suggest that HSI can aid clinicians in postoperative mastectomy skin flap and DIEP flap monitoring.
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Affiliation(s)
- Tim Pruimboom
- Department of Plastic, Reconstructive and Hand Surgery, Maastricht University Medical Center, 6200 MD Maastricht, The Netherlands;
- Correspondence: (T.P.); (R.M.S.); Tel.: +31-(0)43-3877481 (T.P. & R.M.S.)
| | - Anouk A. M. A. Lindelauf
- Department of Cardiothoracic Surgery, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands;
| | - Eric Felli
- Department of Visceral Surgery and Medicine, University of Bern, 3010 Bern, Switzerland;
- Department of Biomedical Research, Hepatology, University of Bern, 3012 Bern, Switzerland
| | - John H. Sawor
- Department of Plastic, Reconstructive, and Hand Surgery, VieCuri Medical Center, 5912 BL Venlo, The Netherlands; (J.H.S.); (A.E.K.D.)
| | - An E. K. Deliaert
- Department of Plastic, Reconstructive, and Hand Surgery, VieCuri Medical Center, 5912 BL Venlo, The Netherlands; (J.H.S.); (A.E.K.D.)
| | - René R. W. J. van der Hulst
- Department of Plastic, Reconstructive and Hand Surgery, Maastricht University Medical Center, 6200 MD Maastricht, The Netherlands;
| | - Mahdi Al-Taher
- Department of Surgery, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands;
- Research Institute Against Digestive Cancer (IRCAD), 67000 Strasbourg, France;
| | - Michele Diana
- Research Institute Against Digestive Cancer (IRCAD), 67000 Strasbourg, France;
- Department of General, Digestive and Endocrine Surgery, University Hospital of Strasbourg, 67200 Strasbourg, France
- ICube Lab, Photonics for Health, University of Strasbourg, 67400 Strasbourg, France
| | - Rutger M. Schols
- Department of Plastic, Reconstructive and Hand Surgery, Maastricht University Medical Center, 6200 MD Maastricht, The Netherlands;
- Correspondence: (T.P.); (R.M.S.); Tel.: +31-(0)43-3877481 (T.P. & R.M.S.)
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26
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Hennig S, Jansen-Winkeln B, Köhler H, Knospe L, Chalopin C, Maktabi M, Pfahl A, Hoffmann J, Kwast S, Gockel I, Moulla Y. Novel Intraoperative Imaging of Gastric Tube Perfusion during Oncologic Esophagectomy—A Pilot Study Comparing Hyperspectral Imaging (HSI) and Fluorescence Imaging (FI) with Indocyanine Green (ICG). Cancers (Basel) 2021; 14:cancers14010097. [PMID: 35008261 PMCID: PMC8750976 DOI: 10.3390/cancers14010097] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 12/13/2021] [Accepted: 12/20/2021] [Indexed: 11/16/2022] Open
Abstract
Background: Novel intraoperative imaging techniques, namely, hyperspectral (HSI) and fluorescence imaging (FI), are promising with respect to reducing severe postoperative complications, thus increasing patient safety. Both tools have already been used to evaluate perfusion of the gastric conduit after esophagectomy and before anastomosis. To our knowledge, this is the first study evaluating both modalities simultaneously during esophagectomy. Methods: In our pilot study, 13 patients, who underwent Ivor Lewis esophagectomy and gastric conduit reconstruction, were analyzed prospectively. HSI and FI were recorded before establishing the anastomosis in order to determine its optimum position. Results: No anastomotic leak occurred during this pilot study. In five patients, the imaging methods resulted in a more peripheral adaptation of the anastomosis. There were no significant differences between the two imaging tools, and no adverse events due to the imaging methods or indocyanine green (ICG) injection occurred. Conclusions: Simultaneous intraoperative application of both modalities was feasible and not time consuming. They are complementary with regard to the ideal anastomotic position and may contribute to better surgical outcomes. The impact of their simultaneous application will be proven in consecutive prospective trials with a large patient cohort.
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Affiliation(s)
- Sebastian Hennig
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany; (S.H.); (B.J.-W.); (L.K.)
| | - Boris Jansen-Winkeln
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany; (S.H.); (B.J.-W.); (L.K.)
- Department of General, Visceral, Thoracic and Vascular Surgery, St. Georg Hospital, Delitzscher Str. 141, D-04129 Leipzig, Germany
| | - Hannes Köhler
- Innovation Center Computer Assisted Surgery (ICCAS), University of Leipzig, Semmelweisstr. 14, D-04103 Leipzig, Germany; (H.K.); (C.C.); (M.M.); (A.P.)
| | - Luise Knospe
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany; (S.H.); (B.J.-W.); (L.K.)
| | - Claire Chalopin
- Innovation Center Computer Assisted Surgery (ICCAS), University of Leipzig, Semmelweisstr. 14, D-04103 Leipzig, Germany; (H.K.); (C.C.); (M.M.); (A.P.)
| | - Marianne Maktabi
- Innovation Center Computer Assisted Surgery (ICCAS), University of Leipzig, Semmelweisstr. 14, D-04103 Leipzig, Germany; (H.K.); (C.C.); (M.M.); (A.P.)
| | - Annekatrin Pfahl
- Innovation Center Computer Assisted Surgery (ICCAS), University of Leipzig, Semmelweisstr. 14, D-04103 Leipzig, Germany; (H.K.); (C.C.); (M.M.); (A.P.)
| | - Jana Hoffmann
- Department of Sports Medicine and Prevention, University Leipzig, Rosa Luxemburg Str. 20-30, D-04103 Leipzig, Germany; (J.H.); (S.K.)
| | - Stefan Kwast
- Department of Sports Medicine and Prevention, University Leipzig, Rosa Luxemburg Str. 20-30, D-04103 Leipzig, Germany; (J.H.); (S.K.)
| | - Ines Gockel
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany; (S.H.); (B.J.-W.); (L.K.)
- Correspondence: (I.G.); (Y.M.); Tel.: +49-(0)341-9717211(I.G.); Fax: +49-(0)341-9717209
| | - Yusef Moulla
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany; (S.H.); (B.J.-W.); (L.K.)
- Correspondence: (I.G.); (Y.M.); Tel.: +49-(0)341-9717211(I.G.); Fax: +49-(0)341-9717209
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27
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Cinelli L, Felli E, Baratelli L, Ségaud S, Baiocchini A, Okamoto N, Rodríguez-Luna MR, Elmore U, Rosati R, Partelli S, Marescaux J, Gioux S, Diana M. Single Snapshot Imaging of Optical Properties (SSOP) for Perfusion Assessment during Gastric Conduit Creation for Esophagectomy: An Experimental Study on Pigs. Cancers (Basel) 2021; 13:cancers13236079. [PMID: 34885189 PMCID: PMC8656795 DOI: 10.3390/cancers13236079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 11/25/2021] [Accepted: 11/30/2021] [Indexed: 01/03/2023] Open
Abstract
Simple Summary Anastomotic leak is the most dangerous complication occurring after esophagectomy and its relationship with inadequate visceral perfusion is widely recognized. Currently, the adequate perfusion of the gastric conduit is intraoperatively assessed by surgeons using subjective indicators (e.g., serosal color or pulsatile flow of vessels). During the last decades, several innovative optical techniques based on the interaction of light with tissue have been developed to monitor perfusion in esophagogastric surgery. However, these innovative approaches are characterized by a lack of video rate and reproducibility. They also provide operator-dependent results and lengthen the surgical workflow. Single Snapshot imaging of Optical Properties (SSOP) is an optical technique, which can overcome such limitations, providing quantitative information on the optical properties of biological tissues over a large field of view. It is the first study to demonstrate the accuracy of SSOP in the quantification of serosal StO2% in a porcine gastric conduit model. Abstract Anastomotic leakage (AL) is a serious complication occurring after esophagectomy. The current knowledge suggests that inadequate intraoperative perfusion in the anastomotic site contributes to an increase in the AL rate. Presently, clinical estimation undertaken by surgeons is not accurate and new technology is necessary to improve the intraoperative assessment of tissue oxygenation. In the present study, we demonstrate the application of a novel optical technology, namely Single Snapshot imaging of Optical Properties (SSOP), used to quantify StO2% in an open surgery experimental gastric conduit (GC) model. After the creation of a gastric conduit, local StO2% was measured with a preclinical SSOP system for 60 min in the antrum (ROI-A), corpus (ROI-C), and fundus (ROI-F). The removed region (ROI-R) acted as ischemic control. ROI-R had statistically significant lower StO2% when compared to all other ROIs at T15, T30, T45, and T60 (p < 0.0001). Local capillary lactates (LCLs) and StO2% correlation was statistically significant (R = −0.8439, 95% CI −0.9367 to −0.6407, p < 0.0001). Finally, SSOP could discriminate resected from perfused regions and ROI-A from ROI-F (the future anastomotic site). In conclusion, SSOP could well be a suitable technology to assess intraoperative perfusion of GC, providing consistent StO2% quantification and ROIs discrimination.
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Affiliation(s)
- Lorenzo Cinelli
- Department of Gastrointestinal Surgery, San Raffaele Hospital IRCCS, 20132 Milan, Italy; (U.E.); (R.R.)
- Research Institute against Digestive Cancer (IRCAD), 67000 Strasbourg, France; (N.O.); (M.R.R.-L.); (J.M.); (M.D.)
- Correspondence: ; Tel.: +39-02-2643-2270
| | - Eric Felli
- Department of Visceral Surgery and Medicine, Inselspital, University of Bern, 3010 Bern, Switzerland;
- Department of BioMedical Research, Visceral Surgery and Medicine, University of Bern, 3010 Bern, Switzerland
| | - Luca Baratelli
- ICube Laboratory, University of Strasbourg, 67400 Strasbourg, France; (L.B.); (S.S.); (S.G.)
| | - Silvère Ségaud
- ICube Laboratory, University of Strasbourg, 67400 Strasbourg, France; (L.B.); (S.S.); (S.G.)
| | - Andrea Baiocchini
- Department of Surgical Pathology, San Camillo Hospital, 00152 Rome, Italy;
| | - Nariaki Okamoto
- Research Institute against Digestive Cancer (IRCAD), 67000 Strasbourg, France; (N.O.); (M.R.R.-L.); (J.M.); (M.D.)
| | - María Rita Rodríguez-Luna
- Research Institute against Digestive Cancer (IRCAD), 67000 Strasbourg, France; (N.O.); (M.R.R.-L.); (J.M.); (M.D.)
| | - Ugo Elmore
- Department of Gastrointestinal Surgery, San Raffaele Hospital IRCCS, 20132 Milan, Italy; (U.E.); (R.R.)
- Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy;
| | - Riccardo Rosati
- Department of Gastrointestinal Surgery, San Raffaele Hospital IRCCS, 20132 Milan, Italy; (U.E.); (R.R.)
- Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy;
| | - Stefano Partelli
- Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy;
- Pancreas Translational & Clinical Research Center, Pancreatic Surgery Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Jacques Marescaux
- Research Institute against Digestive Cancer (IRCAD), 67000 Strasbourg, France; (N.O.); (M.R.R.-L.); (J.M.); (M.D.)
| | - Sylvain Gioux
- ICube Laboratory, University of Strasbourg, 67400 Strasbourg, France; (L.B.); (S.S.); (S.G.)
| | - Michele Diana
- Research Institute against Digestive Cancer (IRCAD), 67000 Strasbourg, France; (N.O.); (M.R.R.-L.); (J.M.); (M.D.)
- ICube Laboratory, University of Strasbourg, 67400 Strasbourg, France; (L.B.); (S.S.); (S.G.)
- Department of General, Digestive and Endocrine Surgery, Nouvel Hôpital Civil, University of Strasbourg, 67000 Strasbourg, France
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Barberio M, Benedicenti S, Pizzicannella M, Felli E, Collins T, Jansen-Winkeln B, Marescaux J, Viola MG, Diana M. Intraoperative Guidance Using Hyperspectral Imaging: A Review for Surgeons. Diagnostics (Basel) 2021; 11:diagnostics11112066. [PMID: 34829413 PMCID: PMC8624094 DOI: 10.3390/diagnostics11112066] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/03/2021] [Accepted: 11/05/2021] [Indexed: 12/12/2022] Open
Abstract
Hyperspectral imaging (HSI) is a novel optical imaging modality, which has recently found diverse applications in the medical field. HSI is a hybrid imaging modality, combining a digital photographic camera with a spectrographic unit, and it allows for a contactless and non-destructive biochemical analysis of living tissue. HSI provides quantitative and qualitative information of the tissue composition at molecular level in a contrast-free manner, hence making it possible to objectively discriminate between different tissue types and between healthy and pathological tissue. Over the last two decades, HSI has been increasingly used in the medical field, and only recently it has found an application in the operating room. In the last few years, several research groups have used this imaging modality as an intraoperative guidance tool within different surgical disciplines. Despite its great potential, HSI still remains far from being routinely used in the daily surgical practice, since it is still largely unknown to most of the surgical community. The aim of this study is to provide clinical surgeons with an overview of the capabilities, current limitations, and future directions of HSI for intraoperative guidance.
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Affiliation(s)
- Manuel Barberio
- Institute for Research against Digestive Cancer (IRCAD), 67091 Strasbourg, France; (T.C.); (J.M.); (M.D.)
- General Surgery Department, Ospedale Card. G. Panico, 73039 Tricase, Italy; (S.B.); (M.P.); (M.G.V.)
- Correspondence:
| | - Sara Benedicenti
- General Surgery Department, Ospedale Card. G. Panico, 73039 Tricase, Italy; (S.B.); (M.P.); (M.G.V.)
| | - Margherita Pizzicannella
- General Surgery Department, Ospedale Card. G. Panico, 73039 Tricase, Italy; (S.B.); (M.P.); (M.G.V.)
| | - Eric Felli
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, 3008 Bern, Switzerland;
- Department for BioMedical Research, Visceral Surgery and Medicine, University of Bern, 3008 Bern, Switzerland
| | - Toby Collins
- Institute for Research against Digestive Cancer (IRCAD), 67091 Strasbourg, France; (T.C.); (J.M.); (M.D.)
| | | | - Jacques Marescaux
- Institute for Research against Digestive Cancer (IRCAD), 67091 Strasbourg, France; (T.C.); (J.M.); (M.D.)
| | - Massimo Giuseppe Viola
- General Surgery Department, Ospedale Card. G. Panico, 73039 Tricase, Italy; (S.B.); (M.P.); (M.G.V.)
| | - Michele Diana
- Institute for Research against Digestive Cancer (IRCAD), 67091 Strasbourg, France; (T.C.); (J.M.); (M.D.)
- ICube Laboratory, Photonics Instrumentation for Health, University of Strasbourg, 67400 Strasbourg, France
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Gockel I, Barberio M, Diana M, Thieme R, Pfahl A, Sucher R, Köhler H, Chalopin C, Maktabi M, Jansen-Winkeln B. [New intraoperative fluorescence-based and spectroscopic imaging techniques in visceral medicine - precision surgery in the "high tech"-operating room]. Z Gastroenterol 2021; 59:683-690. [PMID: 34157756 DOI: 10.1055/a-1481-1993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Fluorescence angiography (FA) with indocyanine green (ICG) and hyperspectral imaging (HSI) are novel intraoperative visualization techniques in abdominal, vascular and transplant surgery. With the purpose of precision surgery, and in order to increase patient's safety, these new tools aim at reducing postoperative morbidity and mortality. This review discusses and highlights recent developments and the future potential of real-time imaging modalities. METHODS The underlying mechanisms of the novel imaging methods and their clinical impact are displayed in the context of avoiding anastomotic leaks, the most momentous complications in gastrointestinal surgery after oncologic resections. RESULTS While FA is associated with the admission of a fluorescence agent, HSI is contact-free and non-invasive. Both methods are able to record physiological tissue properties in real-time. Additionally, FA also measures dynamic phenomena. The techniques take a few seconds only and do not hamper the operative workflow considerably. With regard to a potential change of the surgical strategy, FA and HSI have an equal significance. Our own advancements reflect, in particular, the topics of data visualization and automated data analyses together with the implementation of artificial intelligence (AI) and minimalization of the current devices to install them into endoscopes, minimal-invasive and robot-guided surgery. CONCLUSION There are a limited number of studies in the field of intraoperative imaging techniques. Whether precision surgery in the "high-tech" OR together with FA, HSI and robotics will result in more secure operative procedures to minimize the postoperative morbidity and mortality will have to be evaluated in future multicenter trials.
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Affiliation(s)
- Ines Gockel
- Klinik und Poliklinik für Viszeral-, Transplantations-, Thorax- und Gefäßchirurgie, Universitätsklinikum Leipzig, AöR, Leipzig
| | - Manuel Barberio
- Klinik und Poliklinik für Viszeral-, Transplantations-, Thorax- und Gefäßchirurgie, Universitätsklinikum Leipzig, AöR, Leipzig.,IRCAD, Research Institute against Digestive Cancer, Straßburg, Frankreich.,IHU-Strasbourg, Institute of Image-Guided Surgery, Frankreich
| | - Michele Diana
- IRCAD, Research Institute against Digestive Cancer, Straßburg, Frankreich.,IHU-Strasbourg, Institute of Image-Guided Surgery, Frankreich
| | - René Thieme
- Klinik und Poliklinik für Viszeral-, Transplantations-, Thorax- und Gefäßchirurgie, Universitätsklinikum Leipzig, AöR, Leipzig
| | - Annekatrin Pfahl
- ICCAS, Innovation Center Computer Assisted Surgery, Universität Leipzig, Leipzig, Deutschland
| | - Robert Sucher
- Klinik und Poliklinik für Viszeral-, Transplantations-, Thorax- und Gefäßchirurgie, Universitätsklinikum Leipzig, AöR, Leipzig
| | - Hannes Köhler
- ICCAS, Innovation Center Computer Assisted Surgery, Universität Leipzig, Leipzig, Deutschland
| | - Claire Chalopin
- ICCAS, Innovation Center Computer Assisted Surgery, Universität Leipzig, Leipzig, Deutschland
| | - Marianne Maktabi
- ICCAS, Innovation Center Computer Assisted Surgery, Universität Leipzig, Leipzig, Deutschland
| | - Boris Jansen-Winkeln
- Klinik und Poliklinik für Viszeral-, Transplantations-, Thorax- und Gefäßchirurgie, Universitätsklinikum Leipzig, AöR, Leipzig
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Moulla Y, Buchloh DC, Köhler H, Rademacher S, Denecke T, Meyer HJ, Mehdorn M, Lange UG, Sucher R, Seehofer D, Jansen-Winkeln B, Gockel I. Hyperspectral Imaging (HSI)-A New Tool to Estimate the Perfusion of Upper Abdominal Organs during Pancreatoduodenectomy. Cancers (Basel) 2021; 13:cancers13112846. [PMID: 34200412 PMCID: PMC8201356 DOI: 10.3390/cancers13112846] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 05/20/2021] [Accepted: 05/25/2021] [Indexed: 01/16/2023] Open
Abstract
Simple Summary Novel intraoperative imaging systems may have a critical impact on intraoperative decision-making. Hyperspectral imaging (HSI) is one of the leading new imaging systems, providing color pictures of tissue characterization, such as oxygen saturation (StO2) and Near-Infrared Perfusion Index (NIR-PI). Several surgical disciplines have already used HSI in detecting tissue perfusion with a proven record of success. To the best of our knowledge, HSI has not been used in the field of pancreatic surgery yet. Abstract Hyperspectral imaging (HSI) in abdominal surgery is a new non-invasive tool for the assessment of the perfusion and oxygenation of various tissues and organs. Its benefit in pancreatic surgery is still unknown. The aim of this study was to evaluate the key impact of using HSI during pancreatoduodenectomy (PD). In total, 20 consecutive patients were included. HSI was recorded during surgery as part of a pilot study approved by the local Ethics Committee. Data were collected prospectively with the TIVITA® Tissue System. Intraoperative HS images were recorded before and after gastroduodenal artery (GDA) clamping. We detected four patients with celiac artery stenosis (CAS) caused by a median arcuate ligament (MAL). In two of these patients, a reduction in liver oxygenation (StO2) was discovered 15 and 30 min after GDA clamping. The MAL was divided in these patients. HSI showed an improvement of liver StO2 after MAL division (from 61% to 73%) in one of these two patients. There was no obvious decrease in liver StO2 in the other two patients with CAS. HSI, as a non-invasive procedure, could be helpful in evaluating liver and gastric perfusion during PD, which might assist surgeons in choosing the best surgical approach and in improving patients’ outcomes.
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Affiliation(s)
- Yusef Moulla
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany; (D.C.B.); (S.R.); (M.M.); (U.G.L.); (R.S.); (D.S.); (B.J.-W.); (I.G.)
- Correspondence: ; Tel.: +49(0)341-9717211; Fax: +49(0)341/9717209
| | - Dorina Christin Buchloh
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany; (D.C.B.); (S.R.); (M.M.); (U.G.L.); (R.S.); (D.S.); (B.J.-W.); (I.G.)
| | - Hannes Köhler
- Innovation Center Computer Assisted Surgery (ICCAS), University of Leipzig, D-04103 Leipzig, Germany;
| | - Sebastian Rademacher
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany; (D.C.B.); (S.R.); (M.M.); (U.G.L.); (R.S.); (D.S.); (B.J.-W.); (I.G.)
| | - Timm Denecke
- Department of Diagnostic and Interventional Radiology, University Hospital of Leipzig, D-04103 Leipzig, Germany; (T.D.); (H.-J.M.)
| | - Hans-Jonas Meyer
- Department of Diagnostic and Interventional Radiology, University Hospital of Leipzig, D-04103 Leipzig, Germany; (T.D.); (H.-J.M.)
| | - Matthias Mehdorn
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany; (D.C.B.); (S.R.); (M.M.); (U.G.L.); (R.S.); (D.S.); (B.J.-W.); (I.G.)
| | - Undine Gabriele Lange
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany; (D.C.B.); (S.R.); (M.M.); (U.G.L.); (R.S.); (D.S.); (B.J.-W.); (I.G.)
| | - Robert Sucher
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany; (D.C.B.); (S.R.); (M.M.); (U.G.L.); (R.S.); (D.S.); (B.J.-W.); (I.G.)
| | - Daniel Seehofer
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany; (D.C.B.); (S.R.); (M.M.); (U.G.L.); (R.S.); (D.S.); (B.J.-W.); (I.G.)
| | - Boris Jansen-Winkeln
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany; (D.C.B.); (S.R.); (M.M.); (U.G.L.); (R.S.); (D.S.); (B.J.-W.); (I.G.)
| | - Ines Gockel
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstr. 20, D-04103 Leipzig, Germany; (D.C.B.); (S.R.); (M.M.); (U.G.L.); (R.S.); (D.S.); (B.J.-W.); (I.G.)
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Jansen-Winkeln B, Mehdorn M, Lange U, Köhler H, Chalopin C, Gockel I. Precision Surgery In Rectal Resection With Hyperspectral and Fluorescence Imaging And Pelvic Intraoperative Neuromonitoring (With Video). Surg Technol Int 2021; 38:154-158. [PMID: 34081769 DOI: 10.52198/21.sti.38.cr1383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Oncologic visceral surgery has recently been revolutionized by robotics, artificial intelligence (AI), sparing of functionally important structures and innovative intraoperative imaging tools. These techniques enable new dimensions of precision surgery and oncology. Currently, data-driven, cognitive operating rooms are standing at the forefront of the latest technical and didactic developments in abdominal surgery. Rectal low anterior resection with total mesorectal excision (TME) for lower- and middle-third rectal cancer is a challenging operation due to the narrow pelvis and the tender guiding structures. Thus, new approaches have been needed to simplify the procedure and to upgrade the results. The combination of robotics with pelvic intraoperative neuromonitoring (pIONM) and new possibilities of visualization, such as multi- and hyperspectral imaging (MSI / HSI) or fluorescence imaging (FI) with indocyanine green (ICG) is a forward-looking modality to enhance surgical precision and reduce postoperative complications while improving oncologic and functional outcomes with a better quality of life. The aim of our video-paper is to show how to achieve maximum precision by combining robotic surgery with pelvic intraoperative neuromonitoring and new imaging devices for rectal cancer.
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Affiliation(s)
- Boris Jansen-Winkeln
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Mathias Mehdorn
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Undine Lange
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
| | - Hannes Köhler
- Innovation Center Computer Assisted Surgery (ICCAS), University of Leipzig, Leipzig, Germany
| | - Claire Chalopin
- Innovation Center Computer Assisted Surgery (ICCAS), University of Leipzig, Leipzig, Germany
| | - Ines Gockel
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Leipzig, Germany
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Gräfitsch A, Kirchhoff P, Soysal SD, Däster S, Hoffmann H. Dynamic Serosal Perfusion Assessment during Colorectal Resection Using Visible Light Spectroscopy. Eur Surg Res 2021; 62:25-31. [PMID: 33906197 DOI: 10.1159/000514921] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 02/01/2021] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Anastomotic leakage (AL) in colorectal surgery occurs with an incidence of up to 20%. Bowel perfusion is deemed to be one of the most important factors for anastomotic healing. However, not much is known about its variability during colorectal surgery and its impact on the outcome. Therefore, this study aims to evaluate serosal oxygen saturation patterns during colorectal resections with visible light spectroscopy (VLS). MATERIALS AND METHODS Bowel perfusion in patients undergoing left-sided colorectal resections was assessed at different timepoints during surgery using VLS on the colonic serosa. The primary outcome parameter was serosal oxygen saturation (StO2) at the anastomosis during different timepoints of surgery. RESULTS We included 50 patients who underwent colorectal resection for bowel cancer (58%) and diverticular disease (34%). StO2 at the proximal site of the anastomosis increased significantly throughout the surgery (mean difference 3.61%; 95% CI -6.22 to -1.00; p = 0.008). However, aberrancy from this identified perfusion pattern had no impact on the postoperative outcome. CONCLUSION During colorectal resections, we could demonstrate an increase of the colonic StO2 throughout surgery. Appearance of AL was not associated with lower StO2, underlining the multifactorial genesis of developing AL.
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Affiliation(s)
- Alexander Gräfitsch
- General and Visceral Surgery, University Hospital Basel, Basel, Switzerland.,Visceral Surgery, Kantonsspital Aarau, Aarau, Switzerland
| | - Philipp Kirchhoff
- General and Visceral Surgery, University Hospital Basel, Basel, Switzerland.,Center for Hernia Surgery and Proctology, ZweiChirurgen GmbH, Basel, Switzerland
| | - Savas D Soysal
- General and Visceral Surgery, University Hospital Basel, Basel, Switzerland
| | - Silvio Däster
- General and Visceral Surgery, University Hospital Basel, Basel, Switzerland
| | - Henry Hoffmann
- General and Visceral Surgery, University Hospital Basel, Basel, Switzerland.,Center for Hernia Surgery and Proctology, ZweiChirurgen GmbH, Basel, Switzerland
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Mehdorn M, Ebel S, Köhler H, Gockel I, Jansen-Winkeln B. Hyperspectral imaging and indocyanine green fluorescence angiography in acute mesenteric ischemia: A case report on how to visualize intestinal perfusion. Int J Surg Case Rep 2021; 82:105853. [PMID: 33838488 DOI: 10.1016/j.ijscr.2021.105853] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 03/28/2021] [Accepted: 03/28/2021] [Indexed: 01/06/2023] Open
Abstract
First case of HSI and ICG in Acute mesenteric ischemia. Similar results of moth modalities with regard to well perfused intestine. ICG shows exact vascular blood supply and intestinal perfusion. Hyperspectral imaging can distinguish necrotic and vital intestinal segments in AMI. Combined use helps surgeons to evaluate intestinal perfusion intraoperatively in AMI.
Introduction and importance Acute mesenteric ischemia is a challenging acute condition which is often caused by occlusion of an intestinal vessel. Therapeutic algorithms include revascularization of the occluded vessel and a surgical procedure to remove necrotic intestine. Sometimes necrotic intestine is hard to identify visually. Therefore, tools such as hyperspectral imaging (HSI) and indocyanine green fluorescence angiography (ICGFA) might be helpful for objective intraoperative evaluation of intestinal perfusion. Case presentation We present a case of an 80-year-old woman with an acute superior mesenteric artery occlusion and subsequent intestinal gangrene. After endovascular arterial revascularization, we performed an explorative laparotomy in which we assessed intestinal perfusion by HSI and ICGFA. Both HSI and ICGFA showed a sharp perfusion borderline in the proximal jejunum. The distal intestine showed low tissue oxygenation (HSI) and inhomogeneous perfusion (ICGFA). Clinical discussion Both methods showed reproducible results for tissue perfusion and, thus, could provide additional information on the extent of necrotic bowel with need for resection. Therefore, both modalities might be used in future image-guided surgery in cases of acute mesenteric ischemia where visual discrimination of intestinal perfusion is challenging in order to resect as much bowel as necessary to improve patient outcome. Both methods exert different strengths: i.e. ICGFA is real-time angiography, whereas HSI may expose intestinal necrosis in spectroscopy. Conclusion We show, for the first time, simultaneous imaging of HSI and ICGFA in a case of acute mesenteric ischemia. Both imaging modalities reveal similar results reliably concerning intestinal perfusion.
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Berlth F, Knospe L, Jansen-Winkeln B, Hadzijusufovic E, Tagkalos E, Niebisch S, Moulla Y, Chalopin C, Köhler H, Maktabi M, Lang H, Grimminger P, Gockel I. [Status of minimally invasive gastrectomy : Current advancements: robotic surgery and intraoperative imaging for gastric cancer]. Chirurg 2021; 92:528-534. [PMID: 33760929 DOI: 10.1007/s00104-021-01391-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2021] [Indexed: 01/08/2023]
Abstract
The surgical treatment of gastric cancer has arrived at a turning point towards the routine application of minimally invasive techniques. After the first results of prospective randomized trials from Asia confirmed the surgical and oncological safety, the latest results of international trials provided evidence for minimally invasive gastrectomy of advanced gastric cancer in a multimodal setting. A new addition in the field of minimally invasive procedures is robotic-assisted surgical techniques, which have already been implemented for these indications in many centers in Germany. The technical advantages that are applicable in the robotics setting in comparison to laparoscopy lead to a rapid dissemination of the procedure but still need to be evaluated in controlled trials. Further developments for the surgical treatment of gastric cancer are found in the field of intraoperative imaging procedures. In this field various technologies are available, such as fluorescence imaging using a near-infrared camera, which requires the use of a fluorescent agent or the hyperspectral camera system, which does not require the application of a fluorophore and merges pictures from visible and non-visible wavelengths to a functional image. It is to be expected that in the future various technological advancements can make a valuable contribution to the surgical treatment of gastric cancer in the clinical routine, especially if they support and facilitate the use of minimally invasive surgical techniques.
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Affiliation(s)
- Felix Berlth
- Klinik für Allgemein‑, Viszeral- und Transplantationschirurgie, Universitätsmedizin Mainz, Langenbeckstraße 1, 55133, Mainz, Deutschland.
| | - Luise Knospe
- Klinik und Poliklinik für Viszeral‑, Transplantations‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Leipzig, Leipzig, Deutschland
| | - Boris Jansen-Winkeln
- Klinik und Poliklinik für Viszeral‑, Transplantations‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Leipzig, Leipzig, Deutschland
| | - Edin Hadzijusufovic
- Klinik für Allgemein‑, Viszeral- und Transplantationschirurgie, Universitätsmedizin Mainz, Langenbeckstraße 1, 55133, Mainz, Deutschland
| | - Evangelos Tagkalos
- Klinik für Allgemein‑, Viszeral- und Transplantationschirurgie, Universitätsmedizin Mainz, Langenbeckstraße 1, 55133, Mainz, Deutschland
| | - Stefan Niebisch
- Klinik und Poliklinik für Viszeral‑, Transplantations‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Leipzig, Leipzig, Deutschland
| | - Yusef Moulla
- Klinik und Poliklinik für Viszeral‑, Transplantations‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Leipzig, Leipzig, Deutschland
| | - Claire Chalopin
- Innovation Center Computer Assisted Surgery (ICCAS), Universität Leipzig, Leipzig, Deutschland
| | - Hannes Köhler
- Innovation Center Computer Assisted Surgery (ICCAS), Universität Leipzig, Leipzig, Deutschland
| | - Marianne Maktabi
- Innovation Center Computer Assisted Surgery (ICCAS), Universität Leipzig, Leipzig, Deutschland
| | - Hauke Lang
- Klinik für Allgemein‑, Viszeral- und Transplantationschirurgie, Universitätsmedizin Mainz, Langenbeckstraße 1, 55133, Mainz, Deutschland
| | - Peter Grimminger
- Klinik für Allgemein‑, Viszeral- und Transplantationschirurgie, Universitätsmedizin Mainz, Langenbeckstraße 1, 55133, Mainz, Deutschland
| | - Ines Gockel
- Klinik und Poliklinik für Viszeral‑, Transplantations‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Leipzig, Leipzig, Deutschland
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Pampiglione T, Chand M. Enhancing colorectal anastomotic safety with indocyanine green fluorescence angiography: An update. Surg Oncol 2021; 43:101545. [PMID: 33820705 DOI: 10.1016/j.suronc.2021.101545] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 03/02/2021] [Indexed: 01/02/2023]
Abstract
Reducing anastomotic leak (AL) continues to be a main focus in colorectal research. Several new technologies have been developed with an aim to reduce this from mechanical devices to advanced imaging techniques. Fluorescence angiography (FA) with indocyanine green (ICG) in colorectal surgery is now a well-established technique and may have a role in reducing AL. By using FA, we are able to have a visual representation of perfusion which aids intraoperative decision making. The main impact is change in the level of bowel transection at the proximal side of an anastomosis and provide a more objective and confident assessment of bowel perfusion. Previous studies have shown that routine FA use is safe and reproducible. Recent results from randomized control trials and meta-analyses show that FA use reduces the rate of anastomotic leak. The main limitation of FA is its lack of ability to quantify perfusion. Novel technologies are being developed that will quantify tissue perfusion and oxygenation. Overall, FA is a safe and feasible technique which may have a role in reducing AL.
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Affiliation(s)
- T Pampiglione
- Department of Surgery and Interventional Sciences, University College London, University College London Hospitals, London, UK
| | - M Chand
- Department of Surgery and Interventional Sciences, University College London, University College London Hospitals, London, UK.
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Jansen-Winkeln B, Barberio M, Chalopin C, Schierle K, Diana M, Köhler H, Gockel I, Maktabi M. Feedforward Artificial Neural Network-Based Colorectal Cancer Detection Using Hyperspectral Imaging: A Step towards Automatic Optical Biopsy. Cancers (Basel) 2021; 13:cancers13050967. [PMID: 33669082 PMCID: PMC7956537 DOI: 10.3390/cancers13050967] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/18/2021] [Accepted: 02/20/2021] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Detection of colorectal carcinoma is performed visually by investigators and is confirmed pathologically. With hyperspectral imaging, an expanded spectral range of optical information is now available for analysis. The acquired recordings were analyzed with a neural network, and it was possible to differentiate tumor from healthy mucosa in colorectal carcinoma by automatic classification with high reliability. Classification and visualization were performed based on a four-layer perceptron neural network. Based on a neural network, the classification of CA or AD resulted in a sensitivity of 86% and a specificity of 95%, by means of leave-one-patient-out cross-validation. Additionally, significant differences in terms of perfusion parameters (e.g., oxygen saturation) related to tumor staging and neoadjuvant therapy were observed. This is a step towards optical biopsy. Abstract Currently, colorectal cancer (CRC) is mainly identified via a visual assessment during colonoscopy, increasingly used artificial intelligence algorithms, or surgery. Subsequently, CRC is confirmed through a histopathological examination by a pathologist. Hyperspectral imaging (HSI), a non-invasive optical imaging technology, has shown promising results in the medical field. In the current study, we combined HSI with several artificial intelligence algorithms to discriminate CRC. Between July 2019 and May 2020, 54 consecutive patients undergoing colorectal resections for CRC were included. The tumor was imaged from the mucosal side with a hyperspectral camera. The image annotations were classified into three groups (cancer, CA; adenomatous margin around the central tumor, AD; and healthy mucosa, HM). Classification and visualization were performed based on a four-layer perceptron neural network. Based on a neural network, the classification of CA or AD resulted in a sensitivity of 86% and a specificity of 95%, by means of leave-one-patient-out cross-validation. Additionally, significant differences in terms of perfusion parameters (e.g., oxygen saturation) related to tumor staging and neoadjuvant therapy were observed. Hyperspectral imaging combined with automatic classification can be used to differentiate between CRC and healthy mucosa. Additionally, the biological changes induced by chemotherapy to the tissue are detectable with HSI.
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Affiliation(s)
- Boris Jansen-Winkeln
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, 04103 Leipzig, Germany; (M.B.); (I.G.)
- Correspondence: ; Tel.: +49-341-9717211; Fax: +49-341-9728167
| | - Manuel Barberio
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, 04103 Leipzig, Germany; (M.B.); (I.G.)
- Institute for Research against Digestive Cancer (IRCAD), 67091 Strasbourg, France;
- Department of General Surgery, Hospital Card. G. Panico, 73039 Tricase, Italy
| | - Claire Chalopin
- Innovation Center Computer-Assisted Surgery (ICCAS), University of Leipzig, 04103 Leipzig, Germany; (C.C.); (H.K.); (M.M.)
| | - Katrin Schierle
- Institute of Pathology, University Hospital Leipzig, 04103 Leipzig, Germany;
| | - Michele Diana
- Institute for Research against Digestive Cancer (IRCAD), 67091 Strasbourg, France;
| | - Hannes Köhler
- Innovation Center Computer-Assisted Surgery (ICCAS), University of Leipzig, 04103 Leipzig, Germany; (C.C.); (H.K.); (M.M.)
| | - Ines Gockel
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, 04103 Leipzig, Germany; (M.B.); (I.G.)
| | - Marianne Maktabi
- Innovation Center Computer-Assisted Surgery (ICCAS), University of Leipzig, 04103 Leipzig, Germany; (C.C.); (H.K.); (M.M.)
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