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Yoon I, Han JH, Jeon HJ. Advances in Platelet-Dysfunction Diagnostic Technologies. Biomolecules 2024; 14:714. [PMID: 38927117 PMCID: PMC11201885 DOI: 10.3390/biom14060714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/07/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
The crucial role of platelets in hemostasis and their broad implications under various physiological conditions underscore the importance of accurate platelet-function testing. Platelets are key to clotting blood and healing wounds. Therefore, accurate diagnosis and management of platelet disorders are vital for patient care. This review outlines the significant advancements in platelet-function testing technologies, focusing on their working principles and the shift from traditional diagnostic methods to more innovative approaches. These improvements have deepened our understanding of platelet-related disorders and ushered in personalized treatment options. Despite challenges such as interpretation of complex data and the costs of new technologies, the potential for artificial-intelligence integration and the creation of wearable monitoring devices offers exciting future possibilities. This review underscores how these technological advances have enhanced the landscape of precision medicine and provided better diagnostic and treatment options for platelet-function disorders.
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Affiliation(s)
- Inkwon Yoon
- Department of Smart Health Science and Technology, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Jong Hyeok Han
- Department of Smart Health Science and Technology, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Hee-Jae Jeon
- Department of Smart Health Science and Technology, Kangwon National University, Chuncheon 24341, Republic of Korea
- Department of Mechanical and Biomedical Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea
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2
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Leerson J, Tulloh A, Lopez FT, Gregory S, Buscher H, Rosengarten G. Detecting Oxygenator Thrombosis in ECMO: A Review of Current Techniques and an Exploration of Future Directions. Semin Thromb Hemost 2024; 50:253-270. [PMID: 37640048 DOI: 10.1055/s-0043-1772843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Extracorporeal membrane oxygenation (ECMO) is a life-support technique used to treat cardiac and pulmonary failure, including severe cases of COVID-19 (coronavirus disease 2019) involving acute respiratory distress syndrome. Blood clot formation in the circuit is one of the most common complications in ECMO, having potentially harmful and even fatal consequences. It is therefore essential to regularly monitor for clots within the circuit and take appropriate measures to prevent or treat them. A review of the various methods used by hospital units for detecting blood clots is presented. The benefits and limitations of each method are discussed, specifically concerning detecting blood clots in the oxygenator, as it is concluded that this is the most critical and challenging ECMO component to assess. We investigate the feasibility of solutions proposed in the surrounding literature and explore two areas that hold promise for future research: the analysis of small-scale pressure fluctuations in the circuit, and real-time imaging of the oxygenator. It is concluded that the current methods of detecting blood clots cannot reliably predict clot volume, and their inability to predict clot location puts patients at risk of thromboembolism. It is posited that a more in-depth analysis of pressure readings using machine learning could better provide this information, and that purpose-built imaging could allow for accurate, real-time clotting analysis in ECMO components.
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Affiliation(s)
- Jack Leerson
- Department is Manufacturing, Materials and Mechatronics Engineering, School of Engineering, RMIT University, Melbourne, Victoria, Australia
- Department of Manufacturing, CSIRO, Research Way, Clayton, Victoria, Australia
| | - Andrew Tulloh
- Department of Manufacturing, CSIRO, Research Way, Clayton, Victoria, Australia
| | - Francisco Tovar Lopez
- Department is Manufacturing, Materials and Mechatronics Engineering, School of Engineering, RMIT University, Melbourne, Victoria, Australia
| | - Shaun Gregory
- Department of Mechanical and Aerospace Engineering, Cardiorespiratory Engineering and Technology Laboratory, Monash University, Melbourne, Victoria, Australia
| | - Hergen Buscher
- Department of Intensive Care Medicine, St Vincent's Hospital, Sydney, Australia
| | - Gary Rosengarten
- Department is Manufacturing, Materials and Mechatronics Engineering, School of Engineering, RMIT University, Melbourne, Victoria, Australia
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3
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Ruan R, Chen S, Su J, Liu N, Feng H, Xiao P, Zhang X, Pan G, Hou L, Zhang J. Targeting Nanomotor with Near-Infrared/Ultrasound Triggered-Transformation for Polystage-Propelled Cascade Thrombolysis and Multimodal Imaging Diagnosis. Adv Healthc Mater 2024; 13:e2302591. [PMID: 38085119 DOI: 10.1002/adhm.202302591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 12/02/2023] [Indexed: 02/20/2024]
Abstract
Nowadays, cardiovascular and cerebrovascular diseases caused by venous thromboembolism become main causes of mortality around the world. The current thrombolytic strategies in clinics are confined primarily due to poor penetration of nanoplatforms, limited thrombolytic efficiency, and extremely-low imaging accuracy. Herein, a novel nanomotor (NM) is engineered by combining iron oxide/perfluorohexane (PFH)/urokinase (UK) into liposome nanovesicle, which exhibits near-infrared/ultrasound (NIR/US) triggered transformation, achieves non-invasive vein thrombolysis, and realizes multimodal imaging diagnosis altogether. Interestingly, a three-step propelled cascade thrombolytic therapy is revealed from such intelligent NM. First, the NM is effectively herded at the thrombus site under guidance of a magnetic field. Afterwards, stimulations of NIR/US propel phase transition of PFH, which intensifies penetration of the NM toward deep thrombus dependent on cavitation effect. Ultimately, UK is released from the collapsed NM and achieves pharmaceutical thrombolysis in a synergistic way. After an intravenous injection of NM in vivo, the whole thrombolytic process is monitored in real-time through multimodal photoacoustic, ultrasonic, and color Doppler ultrasonic imagings. Overall, such advanced nanoplatform provides a brand-new strategy for time-critical vein thrombolytic therapy through efficient thrombolysis and multimodal imaging diagnosis.
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Affiliation(s)
- Renjie Ruan
- College of Chemical Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou, 350108, P. R. China
- Qingyuan Innovation Laboratory, 1 Xueyuan Road, Quanzhou, 362801, P. R. China
| | - Sheng Chen
- Department of Ultrasound, Shengli Clinical Medical College of Fujian Medical University, 134 Dongjie Road, Fuzhou, 350001, P. R. China
| | - Jinyun Su
- Department of Anesthesiology, Fujian Nan'an Hospital, 330 Xinhua Street, Quanzhou, 362300, P. R. China
| | - Ning Liu
- College of Chemical Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou, 350108, P. R. China
- Qingyuan Innovation Laboratory, 1 Xueyuan Road, Quanzhou, 362801, P. R. China
| | - Hongjuan Feng
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, State Key Laboratory of Photo-catalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Peijie Xiao
- College of Chemical Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou, 350108, P. R. China
- Qingyuan Innovation Laboratory, 1 Xueyuan Road, Quanzhou, 362801, P. R. China
| | - Xuan Zhang
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, State Key Laboratory of Photo-catalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Gaoxing Pan
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, State Key Laboratory of Photo-catalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Linxi Hou
- College of Chemical Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou, 350108, P. R. China
- Qingyuan Innovation Laboratory, 1 Xueyuan Road, Quanzhou, 362801, P. R. China
| | - Jin Zhang
- College of Chemical Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou, 350108, P. R. China
- Qingyuan Innovation Laboratory, 1 Xueyuan Road, Quanzhou, 362801, P. R. China
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Eleni Karakatsani M, Estrada H, Chen Z, Shoham S, Deán-Ben XL, Razansky D. Shedding light on ultrasound in action: Optical and optoacoustic monitoring of ultrasound brain interventions. Adv Drug Deliv Rev 2024; 205:115177. [PMID: 38184194 DOI: 10.1016/j.addr.2023.115177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/27/2023] [Accepted: 12/31/2023] [Indexed: 01/08/2024]
Abstract
Monitoring brain responses to ultrasonic interventions is becoming an important pillar of a growing number of applications employing acoustic waves to actuate and cure the brain. Optical interrogation of living tissues provides a unique means for retrieving functional and molecular information related to brain activity and disease-specific biomarkers. The hybrid optoacoustic imaging methods have further enabled deep-tissue imaging with optical contrast at high spatial and temporal resolution. The marriage between light and sound thus brings together the highly complementary advantages of both modalities toward high precision interrogation, stimulation, and therapy of the brain with strong impact in the fields of ultrasound neuromodulation, gene and drug delivery, or noninvasive treatments of neurological and neurodegenerative disorders. In this review, we elaborate on current advances in optical and optoacoustic monitoring of ultrasound interventions. We describe the main principles and mechanisms underlying each method before diving into the corresponding biomedical applications. We identify areas of improvement as well as promising approaches with clinical translation potential.
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Affiliation(s)
- Maria Eleni Karakatsani
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zurich, Switzerland; Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Switzerland
| | - Héctor Estrada
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zurich, Switzerland; Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Switzerland
| | - Zhenyue Chen
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zurich, Switzerland; Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Switzerland
| | - Shy Shoham
- Department of Ophthalmology and Tech4Health and Neuroscience Institutes, NYU Langone Health, NY, USA
| | - Xosé Luís Deán-Ben
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zurich, Switzerland; Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Switzerland.
| | - Daniel Razansky
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zurich, Switzerland; Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Switzerland.
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Hui X, Rajendran P, Ling T, Dai X, Xing L, Pramanik M. Ultrasound-guided needle tracking with deep learning: A novel approach with photoacoustic ground truth. PHOTOACOUSTICS 2023; 34:100575. [PMID: 38174105 PMCID: PMC10761306 DOI: 10.1016/j.pacs.2023.100575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 11/15/2023] [Accepted: 11/27/2023] [Indexed: 01/05/2024]
Abstract
Accurate needle guidance is crucial for safe and effective clinical diagnosis and treatment procedures. Conventional ultrasound (US)-guided needle insertion often encounters challenges in consistency and precisely visualizing the needle, necessitating the development of reliable methods to track the needle. As a powerful tool in image processing, deep learning has shown promise for enhancing needle visibility in US images, although its dependence on manual annotation or simulated data as ground truth can lead to potential bias or difficulties in generalizing to real US images. Photoacoustic (PA) imaging has demonstrated its capability for high-contrast needle visualization. In this study, we explore the potential of PA imaging as a reliable ground truth for deep learning network training without the need for expert annotation. Our network (UIU-Net), trained on ex vivo tissue image datasets, has shown remarkable precision in localizing needles within US images. The evaluation of needle segmentation performance extends across previously unseen ex vivo data and in vivo human data (collected from an open-source data repository). Specifically, for human data, the Modified Hausdorff Distance (MHD) value stands at approximately 3.73, and the targeting error value is around 2.03, indicating the strong similarity and small needle orientation deviation between the predicted needle and actual needle location. A key advantage of our method is its applicability beyond US images captured from specific imaging systems, extending to images from other US imaging systems.
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Affiliation(s)
- Xie Hui
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637459, Singapore
| | - Praveenbalaji Rajendran
- Stanford University, Department of Radiation Oncology, Stanford, California 94305, United States
| | - Tong Ling
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637459, Singapore
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 637459, Singapore
| | - Xianjin Dai
- Stanford University, Department of Radiation Oncology, Stanford, California 94305, United States
| | - Lei Xing
- Stanford University, Department of Radiation Oncology, Stanford, California 94305, United States
| | - Manojit Pramanik
- Department of Electrical and Computer Engineering, Iowa State University, Ames, IA 50011, United States
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Menozzi L, Yang W, Feng W, Yao J. Sound out the impaired perfusion: Photoacoustic imaging in preclinical ischemic stroke. Front Neurosci 2022; 16:1055552. [PMID: 36532279 PMCID: PMC9751426 DOI: 10.3389/fnins.2022.1055552] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 11/17/2022] [Indexed: 09/19/2023] Open
Abstract
Acoustically detecting the optical absorption contrast, photoacoustic imaging (PAI) is a highly versatile imaging modality that can provide anatomical, functional, molecular, and metabolic information of biological tissues. PAI is highly scalable and can probe the same biological process at various length scales ranging from single cells (microscopic) to the whole organ (macroscopic). Using hemoglobin as the endogenous contrast, PAI is capable of label-free imaging of blood vessels in the brain and mapping hemodynamic functions such as blood oxygenation and blood flow. These imaging merits make PAI a great tool for studying ischemic stroke, particularly for probing into hemodynamic changes and impaired cerebral blood perfusion as a consequence of stroke. In this narrative review, we aim to summarize the scientific progresses in the past decade by using PAI to monitor cerebral blood vessel impairment and restoration after ischemic stroke, mostly in the preclinical setting. We also outline and discuss the major technological barriers and challenges that need to be overcome so that PAI can play a more significant role in preclinical stroke research, and more importantly, accelerate its translation to be a useful clinical diagnosis and management tool for human strokes.
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Affiliation(s)
- Luca Menozzi
- Department of Biomedical Engineering, Duke University, Durham, NC, United States
| | - Wei Yang
- Multidisciplinary Brain Protection Program, Department of Anesthesiology, Duke University, Durham, NC, United States
| | - Wuwei Feng
- Department of Neurology, Duke University School of Medicine, Durham, NC, United States
| | - Junjie Yao
- Department of Biomedical Engineering, Duke University, Durham, NC, United States
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Hui X, Malik MOA, Pramanik M. Looking deep inside tissue with photoacoustic molecular probes: a review. JOURNAL OF BIOMEDICAL OPTICS 2022; 27:070901. [PMID: 36451698 PMCID: PMC9307281 DOI: 10.1117/1.jbo.27.7.070901] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 07/01/2022] [Indexed: 05/19/2023]
Abstract
Significance Deep tissue noninvasive high-resolution imaging with light is challenging due to the high degree of light absorption and scattering in biological tissue. Photoacoustic imaging (PAI) can overcome some of the challenges of pure optical or ultrasound imaging to provide high-resolution deep tissue imaging. However, label-free PAI signals from light absorbing chromophores within the tissue are nonspecific. The use of exogeneous contrast agents (probes) not only enhances the imaging contrast (and imaging depth) but also increases the specificity of PAI by binding only to targeted molecules and often providing signals distinct from the background. Aim We aim to review the current development and future progression of photoacoustic molecular probes/contrast agents. Approach First, PAI and the need for using contrast agents are briefly introduced. Then, the recent development of contrast agents in terms of materials used to construct them is discussed. Then, various probes are discussed based on targeting mechanisms, in vivo molecular imaging applications, multimodal uses, and use in theranostic applications. Results Material combinations are being used to develop highly specific contrast agents. In addition to passive accumulation, probes utilizing activation mechanisms show promise for greater controllability. Several probes also enable concurrent multimodal use with fluorescence, ultrasound, Raman, magnetic resonance imaging, and computed tomography. Finally, targeted probes are also shown to aid localized and molecularly specific photo-induced therapy. Conclusions The development of contrast agents provides a promising prospect for increased contrast, higher imaging depth, and molecularly specific information. Of note are agents that allow for controlled activation, explore other optical windows, and enable multimodal use to overcome some of the shortcomings of label-free PAI.
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Affiliation(s)
- Xie Hui
- Nanyang Technological University, School of Chemical and Biomedical Engineering, Singapore
| | - Mohammad O. A. Malik
- Nanyang Technological University, School of Chemical and Biomedical Engineering, Singapore
| | - Manojit Pramanik
- Nanyang Technological University, School of Chemical and Biomedical Engineering, Singapore
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Tang Y, Wu H, Klippel P, Zhang B, Huang HYS, Jing Y, Jiang X, Yao J. Deep thrombosis characterization using photoacoustic imaging with intravascular light delivery. Biomed Eng Lett 2022; 12:135-145. [PMID: 35529341 PMCID: PMC9046522 DOI: 10.1007/s13534-022-00216-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 01/18/2022] [Accepted: 01/22/2022] [Indexed: 11/28/2022] Open
Abstract
Venous thromboembolism (VTE) is a condition in which blood clots form within the deep veins of the leg or pelvis to cause deep vein thrombosis. The optimal treatment of VTE is determined by thrombus properties such as the age, size, and chemical composition of the blood clots. The thrombus properties can be readily evaluated by using photoacoustic computed tomography (PACT), a hybrid imaging modality that combines the rich contrast of optical imaging and deep penetration of ultrasound imaging. With inherent sensitivity to endogenous chromophores such as hemoglobin, multispectral PACT can provide composition information and oxygenation level in the clots. However, conventional PACT of clots relies on external light illumination, which provides limited penetration depth due to strong optical scattering of intervening tissue. In our study, this depth limitation is overcome by using intravascular light delivery with a thin optical fiber. To demonstrate in vitro blood clot characterization, clots with different acuteness and oxygenation levels were placed underneath ten-centimeter-thick chicken breast tissue and imaged using multiple wavelengths. Acoustic frequency analysis was performed on the received PA channel signals, and oxygenation level was estimated using multispectral linear spectral unmixing. The results show that, with intravascular light delivery, clot oxygenation level can be accurately measured, and the clot age can thus be estimated. In addition, we found that retracted and unretracted clots had different acoustic frequency spectrum. While unretracted clots had stronger high frequency components, retracted clots had much higher low frequency components due to densely packed red blood cells. The PACT characterization of the clots was consistent with the histology results and mechanical tests.
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Affiliation(s)
- Yuqi Tang
- Department of Biomedical Engineering, Duke University, Durham, NC USA
| | - Huaiyu Wu
- Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC USA
| | - Paul Klippel
- Graduate Program in Acoustics and Department of Biomedical Engineering, Pennsylvania State University, University Park, PA USA
| | - Bohua Zhang
- Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC USA
| | - Hsiao-Ying Shadow Huang
- Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC USA
| | - Yun Jing
- Graduate Program in Acoustics and Department of Biomedical Engineering, Pennsylvania State University, University Park, PA USA
| | - Xiaoning Jiang
- Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC USA
| | - Junjie Yao
- Department of Biomedical Engineering, Duke University, Durham, NC USA
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Ma C, Li W, Li D, Chen M, Wang M, Jiang L, Mille LS, Garciamendez CE, Zhao Z, Zhou Q, Zhang YS, Yao J. Photoacoustic imaging of 3D-printed vascular networks. Biofabrication 2022; 14:10.1088/1758-5090/ac49d5. [PMID: 35008080 PMCID: PMC8885332 DOI: 10.1088/1758-5090/ac49d5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 01/10/2022] [Indexed: 11/12/2022]
Abstract
Thrombosis in the circulation system can lead to major myocardial infarction and cardiovascular deaths. Understanding thrombosis formation is necessary for developing safe and effective treatments. In this work, using digital light processing (DLP)-based 3D printing, we fabricated sophisticatedin vitromodels of blood vessels with internal microchannels that can be used for thrombosis studies. In this regard, photoacoustic microscopy (PAM) offers a unique advantage for label-free visualization of the 3D-printed vessel models, with large penetration depth and functional sensitivity. We compared the imaging performances of two PAM implementations: optical-resolution PAM and acoustic-resolution PAM, and investigated 3D-printed vessel structures with different patterns of microchannels. Our results show that PAM can provide clear microchannel structures at depths up to 3.6 mm. We further quantified the blood oxygenation in the 3D-printed vascular models, showing that thrombi had lower oxygenation than the normal blood. We expect that PAM can find broad applications in 3D printing and bioprinting forin vitrostudies of various vascular and other diseases.
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Affiliation(s)
- Chenshuo Ma
- Department of Biomedical Engineering, Duke University, Durham, NC, USA 27708
| | - Wanlu Li
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA, USA 02139
| | - Daiwei Li
- Department of Biomedical Engineering, Duke University, Durham, NC, USA 27708
| | - Maomao Chen
- Department of Biomedical Engineering, Duke University, Durham, NC, USA 27708
| | - Mian Wang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA, USA 02139
| | - Laiming Jiang
- Department of Biomedical Engineering and USC Roski Eye Institute, University of Southern California, Los Angeles, CA, USA 90007
| | - Luis Santiago Mille
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA, USA 02139
| | - Carlos Ezio Garciamendez
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA, USA 02139
| | - Zhibo Zhao
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA, USA 02139
| | - Qifa Zhou
- Department of Biomedical Engineering and USC Roski Eye Institute, University of Southern California, Los Angeles, CA, USA 90007
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA, USA 02139
| | - Junjie Yao
- Department of Biomedical Engineering, Duke University, Durham, NC, USA 27708
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van Hees R, Muller JW, van de Vosse F, Rutten M, van Sambeek M, Wu M, Lopata R. SVD-based filtering to detect intraplaque hemorrhage using single wavelength photoacoustic imaging. JOURNAL OF BIOMEDICAL OPTICS 2021; 26:JBO-210198RR. [PMID: 34743446 PMCID: PMC8571807 DOI: 10.1117/1.jbo.26.11.116003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 10/15/2021] [Indexed: 06/13/2023]
Abstract
SIGNIFICANCE Intraplaque hemorrhage (IPH) is an important indicator of plaque vulnerability. Early detection could aid the prevention of stroke. AIM We aim to detect IPH with single wavelength PA imaging in vivo and to improve image quality. APPROACH We developed a singular value decomposition (SVD)-based filter to detect the nonstationary and stationary components in ultrasound data. A PA mask was created to detect stationary (IPH) sources. The method was tested ex vivo using phantoms and in vivo in patients. RESULTS The flow and IPH channels were successfully separated in the phantom data. We can also detect the PA signals from IPH and reject signals from the carotid lumen in vivo. Generalized contrast-to-noise ratio improved in both ex vivo and in vivo in US imaging. CONCLUSIONS SVD-based filtering can successfully detect IPH using a single laser wavelength, opening up opportunities for more economical and cost-effective laser sources.
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Affiliation(s)
- Roy van Hees
- Eindhoven University of Technology, Photoacoustics and Ultrasound Laboratory Eindhoven (PULS/e), Department of Biomedical Engineering, Eindhoven, The Netherlands
| | - Jan-Willem Muller
- Eindhoven University of Technology, Photoacoustics and Ultrasound Laboratory Eindhoven (PULS/e), Department of Biomedical Engineering, Eindhoven, The Netherlands
| | - Frans van de Vosse
- Eindhoven University of Technology, Photoacoustics and Ultrasound Laboratory Eindhoven (PULS/e), Department of Biomedical Engineering, Eindhoven, The Netherlands
| | - Marcel Rutten
- Eindhoven University of Technology, Photoacoustics and Ultrasound Laboratory Eindhoven (PULS/e), Department of Biomedical Engineering, Eindhoven, The Netherlands
| | - Marc van Sambeek
- Eindhoven University of Technology, Photoacoustics and Ultrasound Laboratory Eindhoven (PULS/e), Department of Biomedical Engineering, Eindhoven, The Netherlands
- Catharina Hospital, Eindhoven, The Netherlands
| | - Min Wu
- Eindhoven University of Technology, Photoacoustics and Ultrasound Laboratory Eindhoven (PULS/e), Department of Biomedical Engineering, Eindhoven, The Netherlands
| | - Richard Lopata
- Eindhoven University of Technology, Photoacoustics and Ultrasound Laboratory Eindhoven (PULS/e), Department of Biomedical Engineering, Eindhoven, The Netherlands
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Das D, Sivasubramanian K, Rajendran P, Pramanik M. Label-free high frame rate imaging of circulating blood clots using a dual modal ultrasound and photoacoustic system. JOURNAL OF BIOPHOTONICS 2021; 14:e202000371. [PMID: 33231356 DOI: 10.1002/jbio.202000371] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 11/01/2020] [Accepted: 11/23/2020] [Indexed: 05/06/2023]
Abstract
Deep vein thrombosis (DVT) is a disorder when a blood clot (thrombus) is formed in one of the deep veins. These clots detach from the original sites and circulate in the blood stream at high velocities. Diagnosing these blood clots at an early stage is necessary to decide the treatment strategy. For label-free, in vivo, and real-time detection, high framerate photoacoustic imaging can be used. In this work, a dual modal clinical ultrasound and photoacoustic (PA) system is used for the high framerate PA imaging of circulating blood clots in blood at linear velocities up to 107 cm/sec. Blood clot had 1.4 times higher signal-to-noise ratio (SNR) in the static mode and 1.3 times higher SNR compared to blood PA signal in the flow experiments. This work demonstrates that fast-moving circulating blood clots are easy to recognize against the background PA signal and may aid in early diagnosis.
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Affiliation(s)
- Dhiman Das
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore
| | | | | | - Manojit Pramanik
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore
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12
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Humayun L, Smith C, Li W, Zhang YS, Park C, Feng W, Yao J. SARS-CoV-2-related vascular injury: mechanisms, imaging and models. ACTA ACUST UNITED AC 2021; 5. [PMID: 33981988 PMCID: PMC8112618 DOI: 10.21037/mps-20-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Lucas Humayun
- Department of Biomedical Engineering, Duke University, Durham, NC, USA
| | - Colin Smith
- College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Wanlu Li
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, USA
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, USA
| | - Christine Park
- Department of Neurology, Duke University School of Medicine, Durham, NC, USA
| | - Wuwei Feng
- Department of Neurology, Duke University School of Medicine, Durham, NC, USA
| | - Junjie Yao
- Department of Biomedical Engineering, Duke University, Durham, NC, USA
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13
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Das D, Sharma A, Rajendran P, Pramanik M. Another decade of photoacoustic imaging. Phys Med Biol 2020; 66. [PMID: 33361580 DOI: 10.1088/1361-6560/abd669] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 12/23/2020] [Indexed: 01/09/2023]
Abstract
Photoacoustic imaging - a hybrid biomedical imaging modality finding its way to clinical practices. Although the photoacoustic phenomenon was known more than a century back, only in the last two decades it has been widely researched and used for biomedical imaging applications. In this review we focus on the development and progress of the technology in the last decade (2010-2020). From becoming more and more user friendly, cheaper in cost, portable in size, photoacoustic imaging promises a wide range of applications, if translated to clinic. The growth of photoacoustic community is steady, and with several new directions researchers are exploring, it is inevitable that photoacoustic imaging will one day establish itself as a regular imaging system in the clinical practices.
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Affiliation(s)
- Dhiman Das
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, SINGAPORE
| | - Arunima Sharma
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, SINGAPORE
| | - Praveenbalaji Rajendran
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, SINGAPORE
| | - Manojit Pramanik
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, N1.3-B2-11, Singapore, 637457, SINGAPORE
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14
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Rajendran P, Pramanik M. Deep learning approach to improve tangential resolution in photoacoustic tomography. BIOMEDICAL OPTICS EXPRESS 2020; 11:7311-7323. [PMID: 33408998 PMCID: PMC7747891 DOI: 10.1364/boe.410145] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/29/2020] [Accepted: 11/15/2020] [Indexed: 05/09/2023]
Abstract
In circular scan photoacoustic tomography (PAT), the axial resolution is spatially invariant and is limited by the bandwidth of the detector. However, the tangential resolution is spatially variant and is dependent on the aperture size of the detector. In particular, the tangential resolution improves with the decreasing aperture size. However, using a detector with a smaller aperture reduces the sensitivity of the transducer. Thus, large aperture size detectors are widely preferred in circular scan PAT imaging systems. Although several techniques have been proposed to improve the tangential resolution, they have inherent limitations such as high cost and the need for customized detectors. Herein, we propose a novel deep learning architecture to counter the spatially variant tangential resolution in circular scanning PAT imaging systems. We used a fully dense U-Net based convolutional neural network architecture along with 9 residual blocks to improve the tangential resolution of the PAT images. The network was trained on the simulated datasets and its performance was verified by experimental in vivo imaging. Results show that the proposed deep learning network improves the tangential resolution by eight folds, without compromising the structural similarity and quality of image.
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Affiliation(s)
- Praveenbalaji Rajendran
- Nanyang Technological University, School of Chemical and Biomedical Engineering, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Manojit Pramanik
- Nanyang Technological University, School of Chemical and Biomedical Engineering, 62 Nanyang Drive, Singapore 637459, Singapore
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15
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Upputuri PK, Pramanik M. Recent advances in photoacoustic contrast agents for in vivo imaging. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 12:e1618. [DOI: 10.1002/wnan.1618] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 12/31/2019] [Accepted: 01/16/2020] [Indexed: 12/19/2022]
Affiliation(s)
- Paul Kumar Upputuri
- School of Chemical and Biomedical Engineering Nanyang Technological University Singapore Singapore
| | - Manojit Pramanik
- School of Chemical and Biomedical Engineering Nanyang Technological University Singapore Singapore
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16
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Mohammadi Aria M, Erten A, Yalcin O. Technology Advancements in Blood Coagulation Measurements for Point-of-Care Diagnostic Testing. Front Bioeng Biotechnol 2019; 7:395. [PMID: 31921804 PMCID: PMC6917661 DOI: 10.3389/fbioe.2019.00395] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 11/21/2019] [Indexed: 12/24/2022] Open
Abstract
In recent years, blood coagulation monitoring has become crucial to diagnosing causes of hemorrhages, developing anticoagulant drugs, assessing bleeding risk in extensive surgery procedures and dialysis, and investigating the efficacy of hemostatic therapies. In this regard, advanced technologies such as microfluidics, fluorescent microscopy, electrochemical sensing, photoacoustic detection, and micro/nano electromechanical systems (MEMS/NEMS) have been employed to develop highly accurate, robust, and cost-effective point of care (POC) devices. These devices measure electrochemical, optical, and mechanical parameters of clotting blood. Which can be correlated to light transmission/scattering, electrical impedance, and viscoelastic properties. In this regard, this paper discusses the working principles of blood coagulation monitoring, physical and sensing parameters in different technologies. In addition, we discussed the recent progress in developing nanomaterials for blood coagulation detection and treatments which opens up new area of controlling and monitoring of coagulation at the same time in the future. Moreover, commercial products, future trends/challenges in blood coagulation monitoring including novel anticoagulant therapies, multiplexed sensing platforms, and the application of artificial intelligence in diagnosis and monitoring have been included.
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Affiliation(s)
| | - Ahmet Erten
- Department of Electronics and Communication Engineering, Istanbul Technical University, Istanbul, Turkey
| | - Ozlem Yalcin
- Graduate School of Biomedical Sciences and Engineering, Koc University, Sariyer, Turkey
- Department of Physiology, Koc University School of Medicine, Koc University, Sariyer, Turkey
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