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Van Heumen S, Riksen JJ, Singh MKA, Van Soest G, Vasilic D. LED-based photoacoustic imaging for preoperative visualization of lymphatic vessels in patients with secondary limb lymphedema. Photoacoustics 2023; 29:100446. [PMID: 36632606 PMCID: PMC9826814 DOI: 10.1016/j.pacs.2022.100446] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/16/2022] [Accepted: 12/27/2022] [Indexed: 06/17/2023]
Abstract
Lymphedema is the accumulation of protein-rich fluid in the interstitium (i.e., dermal backflow (DBF)). Preoperative imaging of the lymphatic vessels is a prerequisite for lymphovenous bypass surgical planning. We investigated the visualization of lymphatic vessels and veins using light-emitting diode (LED)-based photoacoustic imaging (PAI). Indocyanine-green mediated near-infrared fluorescence lymphography (NIRF-L) was done in fifteen patients with secondary limb lymphedema. Photoacoustic images were acquired in locations where lymphatic vessels and DBF were observed with NIRF-L. We demonstrated that LED-based PAI can visualize and differentiate lymphatic vessels and veins even in the presence of DBF. We observed lymphatic and blood vessels up to depths of 8.3 and 8.6 mm, respectively. Superficial lymphatic vessels and veins can be visualized using LED-based PAI even in the presence of DBF showing the potential for pre-operative assessment. Further development of the technique is needed to improve its usability in clinical settings.
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Affiliation(s)
- Saskia Van Heumen
- Department of Plastic and Reconstructive Surgery, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Jonas J.M. Riksen
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | | | - Gijs Van Soest
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Dalibor Vasilic
- Department of Plastic and Reconstructive Surgery, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
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2
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Doug Deen A, Van Beusekom HMM, Pfeiffer T, Stam M, De Kleijn D, Wentzel J, Huber R, Van Der Steen AFW, Van Soest G, Wang T. Erratum: Spectroscopic thermo-elastic optical coherence tomography for tissue characterization: publisher's note. Biomed Opt Express 2022; 13:3503. [PMID: 35781974 PMCID: PMC9208609 DOI: 10.1364/boe.463848] [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: 05/11/2022] [Indexed: 06/15/2023]
Abstract
[This corrects the article on p. 1430 in vol. 13, PMID: 35414978.].
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Affiliation(s)
- Aaron Doug Deen
- Department of Cardiology,
Erasmus University Medical Center, P.O. Box
2040, Rotterdam 3000 CA, The
Netherlands
| | - Heleen M. M. Van Beusekom
- Department of Cardiology,
Erasmus University Medical Center, P.O. Box
2040, Rotterdam 3000 CA, The
Netherlands
| | - Tom Pfeiffer
- Institut für
Biomedizinische Optik, Universität zu
Lübeck, Peter-Monnik-Weg 4, 23562 Lübeck,
Germany
| | - Mathijs Stam
- Department of Cardiology,
Erasmus University Medical Center, P.O. Box
2040, Rotterdam 3000 CA, The
Netherlands
| | - Dominique De Kleijn
- University Medical Center
Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Jolanda Wentzel
- Department of Cardiology,
Erasmus University Medical Center, P.O. Box
2040, Rotterdam 3000 CA, The
Netherlands
| | - Robert Huber
- Institut für
Biomedizinische Optik, Universität zu
Lübeck, Peter-Monnik-Weg 4, 23562 Lübeck,
Germany
| | - Antonius F. W. Van Der Steen
- Department of Cardiology,
Erasmus University Medical Center, P.O. Box
2040, Rotterdam 3000 CA, The
Netherlands
- Shenzhen Institutes of
Advanced Technology, Chinese Academy of Sciences, 518055
Shenzhen, China
- Department Imaging Science and Technology,
Delft University of Technology, Delft 2600
AA, The Netherlands
| | - Gijs Van Soest
- Department of Cardiology,
Erasmus University Medical Center, P.O. Box
2040, Rotterdam 3000 CA, The
Netherlands
| | - Tianshi Wang
- Department of Cardiology,
Erasmus University Medical Center, P.O. Box
2040, Rotterdam 3000 CA, The
Netherlands
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Visscher M, Pleitez MA, Van Gaalen K, Nieuwenhuizen-Bakker IM, Ntziachristos V, Van Soest G. Label-free analytic histology of carotid atherosclerosis by mid-infrared optoacoustic microscopy. Photoacoustics 2022; 26:100354. [PMID: 35465607 PMCID: PMC9020099 DOI: 10.1016/j.pacs.2022.100354] [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] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 04/08/2022] [Accepted: 04/08/2022] [Indexed: 05/20/2023]
Abstract
BACKGROUND AND AIMS Analysis of atherosclerotic plaque composition is a vital tool for unraveling the pathological metabolic processes that contribute to plaque growth. METHODS We visualize the constitution of human carotid plaques by mid-infrared optoacoustic microscopy (MiROM), a method for label-free analytic histology that requires minimal tissue preparation, rapidly yielding large field-of-view en-face images with a resolution of a few micrometers. We imaged endarterectomy specimens (n = 3, 12 sections total) at specific vibrational modes, targeting carbohydrates, lipids and proteins. Additionally, we recorded spectra at selected tissue locations. We identified correlations in the variability in this high-dimensional data set using non-negative matrix factorization (NMF). RESULTS We visualized high-risk plaque features with molecular assignment. Consistent NMF components relate to different dominant tissue constituents, dominated by lipids, proteins, and cholesterol and carbohydrates respectively. CONCLUSIONS These results introduce MiROM as an innovative, stain-free, analytic histology technology for the biochemical characterization of complex human vascular pathology.
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Affiliation(s)
- Mirjam Visscher
- Department of Cardiology, Erasmus MC University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Miguel A. Pleitez
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, Germany
- Chair of Biological Imaging (CBI) and Center for Translational Cancer Research (TranslaTUM), Technische Universität München, München, Germany
- Corresponding author at: Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, Germany.
| | - Kim Van Gaalen
- Department of Cardiology, Erasmus MC University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | | | - Vasilis Ntziachristos
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, Germany
- Chair of Biological Imaging (CBI) and Center for Translational Cancer Research (TranslaTUM), Technische Universität München, München, Germany
| | - Gijs Van Soest
- Department of Cardiology, Erasmus MC University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
- Corresponding author.
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Deen AD, Van Beusekom HMM, Pfeiffer T, Stam M, Kleijn DD, Wentzel J, Huber R, Van Der Steen AFW, Soest GV, Wang T. Spectroscopic thermo-elastic optical coherence tomography for tissue characterization. Biomed Opt Express 2022; 13:1430-1446. [PMID: 35414978 PMCID: PMC8973171 DOI: 10.1364/boe.447911] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 01/15/2022] [Accepted: 01/17/2022] [Indexed: 06/14/2023]
Abstract
Optical imaging techniques that provide free space, label free imaging are powerful tools in obtaining structural and biochemical information in biological samples. To date, most of the optical imaging technologies create images with a specific contrast and require multimodality integration to add additional contrast. In this study, we demonstrate spectroscopic Thermo-elastic Optical Coherence Tomography (TE-OCT) as a potential tool in tissue identification. TE-OCT creates images based on two different forms of contrast: optical reflectance and thermo-elastic deformation. TE-OCT uses short laser pulses to induce thermo-elastic tissue deformation and measures the resulting surface displacement using phase-sensitive OCT. In this work we characterized the relation between thermo-elastic displacement and optical absorption, excitation, fluence and illumination area. The experimental results were validated with a 2-dimensional analytical model. Using spectroscopic TE-OCT, the thermo-elastic spectra of elastic phantoms and tissue components in coronary arteries were extracted. Specific tissue components, particularly lipid, an important biomarker for identifying atherosclerotic lesions, can be identified in the TE-OCT spectral response. As a label-free, free-space, dual-contrast, all-optical imaging technique, spectroscopic TE-OCT holds promise for biomedical research and clinical pathology diagnosis.
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Affiliation(s)
- Aaron Doug Deen
- Department of Cardiology, Erasmus University Medical Center, P.O. Box 2040, Rotterdam 3000 CA, The Netherlands
| | - Heleen M. M. Van Beusekom
- Department of Cardiology, Erasmus University Medical Center, P.O. Box 2040, Rotterdam 3000 CA, The Netherlands
| | - Tom Pfeiffer
- Institut für Biomedizinische Optik, Universität zu Lübeck, Peter-Monnik-Weg 4, 23562 Lübeck, Germany
| | - Mathijs Stam
- Department of Cardiology, Erasmus University Medical Center, P.O. Box 2040, Rotterdam 3000 CA, The Netherlands
| | - Dominique De Kleijn
- University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Jolanda Wentzel
- Department of Cardiology, Erasmus University Medical Center, P.O. Box 2040, Rotterdam 3000 CA, The Netherlands
| | - Robert Huber
- Institut für Biomedizinische Optik, Universität zu Lübeck, Peter-Monnik-Weg 4, 23562 Lübeck, Germany
| | - Antonius F. W. Van Der Steen
- Department of Cardiology, Erasmus University Medical Center, P.O. Box 2040, Rotterdam 3000 CA, The Netherlands
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 518055 Shenzhen, China
- Department Imaging Science and Technology, Delft University of Technology, Delft 2600 AA, The Netherlands
| | - Gijs Van Soest
- Department of Cardiology, Erasmus University Medical Center, P.O. Box 2040, Rotterdam 3000 CA, The Netherlands
| | - Tianshi Wang
- Department of Cardiology, Erasmus University Medical Center, P.O. Box 2040, Rotterdam 3000 CA, The Netherlands
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Iskander-Rizk S, Visscher M, Moerman AM, Korteland SA, Van der Heiden K, Van der Steen AF, Van Soest G. Micro Spectroscopic Photoacoustic (μsPA) imaging of advanced carotid atherosclerosis. Photoacoustics 2021; 22:100261. [PMID: 33854946 PMCID: PMC8027769 DOI: 10.1016/j.pacs.2021.100261] [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] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/05/2021] [Accepted: 03/11/2021] [Indexed: 05/11/2023]
Abstract
Atherosclerosis is a lipid-driven and an inflammatory disease of the artery walls. The composition of atherosclerotic plaque stratifies the risk of a specific plaque to cause a cardiovascular event. In an optical resolution photoacoustic microscopy setup, of 45 μm resolution, we extracted plaque lipid photoacoustic (PA) spectral signatures of human endarterectomy samples in the range of 1150-1240 nm, using matrix assisted laser desorption ionization mass spectrometry imaging as a reference. We found plaque PA signals to correlate best with sphingomyelins and cholesteryl esters. PA signal spectral variations within the plaque area were compared to reference molecular patterns and absorption spectra of lipid laboratory standards. Variability in the lipid spectroscopic features extracted by principal component analysis of all samples revealed three distinct components with peaks at: 1164, 1188, 1196 and 1210 nm. This result will guide the development of PA-based atherosclerosis disease staging capitalizing on lipidomics of atherosclerotic tissue.
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Key Words
- Atherosclerosis
- CE, cholesteryl ester
- CEA, carotid endarterectomy
- DG, diacylglycerol
- DHB, 2,5-dihydroxybenzoic acid
- ESI, electrospray ionization
- FTICR, fourier-transform ion cyclotron resonance
- HPLC, high-performance liquid chromatography
- Lipids
- MALDI-MSI, matrix-assisted laser desorption ionization mass spectrometry imaging
- Mass spectrometry imaging
- Microscopy
- NIRS, near-infrared spectroscopy
- PC, phosphatidylcholine
- PCA
- PCA, principal component analysis
- PFA, paraformaldehyde
- SM, sphingomyelin
- Spectroscopy
- TG, triacylglycerol
- WREnS, Waters Research Enabled Software suite
- m/z, mass to charge ratio
- μsPA, Micro Spectroscopic Photoacoustic
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Affiliation(s)
| | | | | | | | | | | | - Gijs Van Soest
- Corresponding author at: Erasmus Medical Center, Ee-2302, PO Box 2040, 3000 CA, Rotterdam, the Netherlands.
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6
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Moerman AM, Visscher M, Slijkhuis N, Van Gaalen K, Heijs B, Klein T, Burgers PC, De Rijke YB, Van Beusekom HMM, Luider TM, Verhagen HJM, Van der Steen AFW, Gijsen FJH, Van der Heiden K, Van Soest G. Lipid signature of advanced human carotid atherosclerosis assessed by mass spectrometry imaging. J Lipid Res 2021; 62:100020. [PMID: 33581415 PMCID: PMC7881220 DOI: 10.1194/jlr.ra120000974] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 12/09/2020] [Accepted: 12/23/2020] [Indexed: 02/07/2023] Open
Abstract
Carotid atherosclerosis is a risk factor for ischemic stroke, one of the main causes of mortality and disability worldwide. The disease is characterized by plaques, heterogeneous deposits of lipids, and necrotic debris in the vascular wall, which grow gradually and may remain asymptomatic for decades. However, at some point a plaque can evolve to a high-risk plaque phenotype, which may trigger a cerebrovascular event. Lipids play a key role in the development and progression of atherosclerosis, but the nature of their involvement is not fully understood. Using matrix-assisted laser desorption/ionization mass spectrometry imaging, we visualized the distribution of approximately 200 different lipid signals, originating of >90 uniquely assigned species, in 106 tissue sections of 12 human carotid atherosclerotic plaques. We performed unsupervised classification of the mass spectrometry dataset, as well as a histology-directed multivariate analysis. These data allowed us to extract the spatial lipid patterns associated with morphological plaque features in advanced plaques from a symptomatic population, revealing spatial lipid patterns in atherosclerosis and their relation to histological tissue type. The abundances of sphingomyelin and oxidized cholesteryl ester species were elevated specifically in necrotic intima areas, whereas diacylglycerols and triacylglycerols were spatially correlated to areas containing the coagulation protein fibrin. These results demonstrate a clear colocalization between plaque features and specific lipid classes, as well as individual lipid species in high-risk atherosclerotic plaques.
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Affiliation(s)
- Astrid M Moerman
- Department of Cardiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Mirjam Visscher
- Department of Cardiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Nuria Slijkhuis
- Department of Cardiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Kim Van Gaalen
- Department of Cardiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Bram Heijs
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Theo Klein
- Department of Clinical Chemistry, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Peter C Burgers
- Department of Neurology, Laboratory of Neuro-Oncology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Yolanda B De Rijke
- Department of Clinical Chemistry, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Heleen M M Van Beusekom
- Department of Experimental Cardiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Theo M Luider
- Department of Neurology, Laboratory of Neuro-Oncology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Hence J M Verhagen
- Department of Vascular and Endovascular Surgery, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Antonius F W Van der Steen
- Department of Cardiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands; Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Frank J H Gijsen
- Department of Cardiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Kim Van der Heiden
- Department of Cardiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Gijs Van Soest
- Department of Cardiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands.
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7
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Visscher M, Moerman AM, Burgers PC, Van Beusekom HMM, Luider TM, Verhagen HJM, Van der Steen AFW, Van der Heiden K, Van Soest G. Data Processing Pipeline for Lipid Profiling of Carotid Atherosclerotic Plaque with Mass Spectrometry Imaging. J Am Soc Mass Spectrom 2019; 30:1790-1800. [PMID: 31250318 PMCID: PMC6695360 DOI: 10.1007/s13361-019-02254-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 04/25/2019] [Accepted: 05/20/2019] [Indexed: 05/09/2023]
Abstract
Atherosclerosis is a lipid and inflammation-driven disease of the arteries that is characterized by gradual buildup of plaques in the vascular wall. A so-called vulnerable plaque, consisting of a lipid-rich necrotic core contained by a thin fibrous cap, may rupture and trigger thrombus formation, which can lead to ischemia in the heart (heart attack) or in the brain (stroke). In this study, we present a protocol to investigate the lipid composition of advanced human carotid plaques using matrix-assisted laser desorption ionization (MALDI) mass spectrometry imaging (MSI), providing a framework that should enable the discrimination of vulnerable from stable plaques based on lipid composition. We optimized the tissue preparation and imaging methods by systematically analyzing data from three specimens: two human carotid endarterectomy samples (advanced plaque) and one autopsy sample (early stage plaque). We show a robust data reduction method and evaluate the variability of the endarterectomy samples. We found diacylglycerols to be more abundant in a thrombotic area compared to other plaque areas and could distinguish advanced plaque from early stage plaque based on cholesteryl ester composition. We plan to use this systematic approach to analyze a larger dataset of carotid atherosclerotic plaques.
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Affiliation(s)
- Mirjam Visscher
- Department of Biomedical Engineering, Thorax Center, Erasmus MC, Rotterdam, The Netherlands.
| | - Astrid M Moerman
- Department of Biomedical Engineering, Thorax Center, Erasmus MC, Rotterdam, The Netherlands
| | - Peter C Burgers
- Department of Neurology, Laboratory of Neuro-Oncology, Erasmus MC, Rotterdam, The Netherlands
| | - Heleen M M Van Beusekom
- Department of Experimental Cardiology, Thorax Center, Erasmus MC, Rotterdam, The Netherlands
| | - Theo M Luider
- Department of Neurology, Laboratory of Neuro-Oncology, Erasmus MC, Rotterdam, The Netherlands
| | - Hence J M Verhagen
- Department of Vascular and Endovascular Surgery, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Antonius F W Van der Steen
- Department of Biomedical Engineering, Thorax Center, Erasmus MC, Rotterdam, The Netherlands
- Medical Delta, Delft, Rotterdam, The Netherlands
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Kim Van der Heiden
- Department of Biomedical Engineering, Thorax Center, Erasmus MC, Rotterdam, The Netherlands
| | - Gijs Van Soest
- Department of Biomedical Engineering, Thorax Center, Erasmus MC, Rotterdam, The Netherlands
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8
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Wu M, Springeling G, Lovrak M, Mastik F, Iskander-Rizk S, Wang T, van Beusekom HMM, van der Steen AFW, Van Soest G. Real-time volumetric lipid imaging in vivo by intravascular photoacoustics at 20 frames per second. Biomed Opt Express 2017; 8:943-953. [PMID: 28270995 PMCID: PMC5330573 DOI: 10.1364/boe.8.000943] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 01/10/2017] [Accepted: 01/11/2017] [Indexed: 05/03/2023]
Abstract
Lipid deposition can be assessed with combined intravascular photoacoustic/ultrasound (IVPA/US) imaging. To date, the clinical translation of IVPA/US imaging has been stalled by a low imaging speed and catheter complexity. In this paper, we demonstrate imaging of lipid targets in swine coronary arteries in vivo, at a clinically useful frame rate of 20 s-1. We confirmed image contrast for atherosclerotic plaque in human samples ex vivo. The system is on a mobile platform and provides real-time data visualization during acquisition. We achieved an IVPA signal-to-noise ratio of 20 dB. These data show that clinical translation of IVPA is possible in principle.
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Affiliation(s)
- Min Wu
- Department of Biomedical Engineering, Thorax Center, Erasmus University Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Geert Springeling
- Department of Experimental Medical Instrumentation, Erasmus University Medical Center PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Matija Lovrak
- Department of Chemical Engineering, Delft University of Technology, van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - Frits Mastik
- Department of Biomedical Engineering, Thorax Center, Erasmus University Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Sophinese Iskander-Rizk
- Department of Biomedical Engineering, Thorax Center, Erasmus University Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Tianshi Wang
- Department of Biomedical Engineering, Thorax Center, Erasmus University Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Heleen M. M. van Beusekom
- Department of Biomedical Engineering, Thorax Center, Erasmus University Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - A. F. W. van der Steen
- Department of Biomedical Engineering, Thorax Center, Erasmus University Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
- Department of Imaging Science and Technology, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft, The Netherlands
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 518055 Shenzhen, China
| | - Gijs Van Soest
- Department of Biomedical Engineering, Thorax Center, Erasmus University Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
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Karanasos A, Gnanadesigan M, van Ditzhuijzen N, simsek C, Freire R, Dijkstra J, Van Soest G, Zijlstra F, van Geuns R, Regar E. OPTICAL COHERENCE TOMOGRAPHY ASSESSMENT OF THE 5-YEAR VASCULAR HEALING RESPONSE FOLLOWING IMPLANTATION OF THE EVEROLIMUS-ELUTING BIORESORBABLE VASCULAR SCAFFOLD. J Am Coll Cardiol 2014. [DOI: 10.1016/s0735-1097(14)61886-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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10
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Okamura T, Gonzalo N, Gutiérrez-Chico J, Serruys P, Bruining N, de Winter S, Dijkstra J, Commossaris K, Van Geuns RJ, Van Soest G, Ligthart J, Regar E. Reproducibility of coronary Fourier domain optical coherence tomography: quantitative analysis of in vivo stented coronary arteries using three different software packages. EUROINTERVENTION 2010; 6:371-9. [DOI: 10.4244/eijv6i1a62] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Gonzalo N, Serruys PW, García-García HM, Van Soest G, Okamura T, Ligthart J, Knaapen M, Verheye S, Bruining N, Regar E. Comparación cuantitativa ex vivo e in vivo de las dimensiones del lumen medidas por tomografía de coherencia óptica y ecografía intravascular en arterias coronarias humanas. Rev Esp Cardiol 2009. [DOI: 10.1016/s0300-8932(09)71328-4] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Bouchard RR, Van Soest G, Trahey GE, Van Der Steen AFW. Optical tracking of superficial dynamics from an acoustic radiation force-induced excitation. Ultrason Imaging 2009; 31:17-30. [PMID: 19507680] [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] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Acoustic radiation force (ARF) has become a common excitation mechanism in elasticity imaging. The high acoustic intensities and subsequent generation of harmonics, however, hamper the effectiveness of using conventional radiofrequency (rf) tracking to investigate the dynamics of tissues and catheter-based transducers, especially during the excitation. Optical tracking, on the other hand, does not utilize acoustic echo and thus is not affected by ARF-generated interference. Additionally, it is able to track equally well in two dimensions, something that rf tracking is unable to do. Despite the inherent near-field scattering that will likely preclude optical (i.e., visible spectrum) tracking from supplanting current ultrasound-based methods in a clinical setting, it could offer valuable new tools in the pursuit of a better understanding of ARF-induced dynamic responses. We utilized an optically-based method to track the dynamic response resulting from an ARF-induced excitation on the surface of a tissue-mimicking phantom and on an unbounded catheter. These tracking data were then compared to tracking data obtained from the conventional rf tracking method. Both impulsive and harmonic (i.e., amplitude-modulated) excitations were investigated. In general, there was good agreement between the conventional (i.e., ultrasound-based) and optically-based tracking methods. Disparities between displacement estimates from the two tracking methods is thought to be a result of the finite length of the tracking marker, which was assumed to move as an infinitesimal point, and aberration of reflected light due to surface waves. Given the reasonable agreement seen for the harmonic and impulsive excitation cases, an optical tracking method could be insightful in future investigations of tissue/transducer response to ARF-induced excitations in controlled experimental settings.
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Affiliation(s)
- Richard R Bouchard
- Department of Biomedical Engineering, Duke University, Durham, North Carolina, USA.
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