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Huang Z, Liu D, Mo S, Hong X, Xie J, Chen Y, Liu L, Song D, Tang S, Wu H, Xu J, Dong F. Multimodal PA/US imaging in Rheumatoid Arthritis: Enhanced correlation with clinical scores. PHOTOACOUSTICS 2024; 38:100615. [PMID: 38817689 PMCID: PMC11137597 DOI: 10.1016/j.pacs.2024.100615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 04/25/2024] [Accepted: 05/05/2024] [Indexed: 06/01/2024]
Abstract
Background Accurate assessment of Rheumatoid Arthritis (RA) activity remains a challenge. Multimodal photoacoustic/ultrasound (PA/US) joint imaging emerges as a novel imaging modality capable of depicting microvascularization and oxygenation levels in inflamed joints associated with RA. However, the scarcity of large-scale studies limits the exploration of correlating joint oxygenation status with disease activity. Objective This study aimed to explore the correlation between multimodal PA/US imaging scores and RA disease activity, assessing its clinical applicability in managing RA. Methods In this study, we recruited 111 patients diagnosed with RA and conducted examinations of seven small joints on their clinically dominant side using a PA/US imaging system. The PA and power Doppler ultrasound (PDUS) signals were semi-quantitatively assessed using a 0-3 grading system. The cumulative scores for PA and PDUS across these seven joints (PA-sum and PDUS-sum) were calculated. Relative oxygen saturation (So2) values of inflamed joints on the clinically dominant side were measured, and categorized into four distinct PA+So2 patterns. The correlation between PA/US imaging scores and disease activity indices was systematically evaluated. Results Analysis of 777 small joints in 111 patients revealed that the PA-sum scores exhibited a strong positive correlation with standard clinical scores for RA, including DAS28 [ESR] (ρ = 0.682), DAS28 [CRP] (ρ = 0.683), CDAI (ρ = 0.738), and SDAI (ρ = 0.739), all with p < 0.001. These correlations were superior to those of the PDUS-sum scores (DAS28 [ESR] ρ = 0.559, DAS28 [CRP] ρ = 0.555, CDAI ρ = 0.575, SDAI ρ = 0.581, p < 0.001). Significantly, in patients with higher PA-sum scores, notable differences were observed in the erythrocyte sedimentation rate (ESR) (p < 0.01) and swollen joint count 28 (SJC28) (p < 0.01) between hypoxia and intermediate groups. Notably, RA patients in the hypoxia group exhibited higher clinical scores in certain clinical indices. Conclusion Multi-modal PA/US imaging introduces potential advancements in RA assessment, especially regarding So2 evaluations in synovial tissues and associated PA scores. However, further studies are warranted, particularly with more substantial sample sizes and in multi-center settings. Summary This study utilized multi-modal PA/US imaging to analyze Rheumatoid Arthritis (RA) patients' synovial tissues and affected joints. When juxtaposed with traditional PDUS imaging, the PA approach demonstrated enhanced sensitivity, especially concerning detecting small vessels in thickened synovium and inflamed tendon sheaths. Furthermore, correlations between the derived PA scores, PA+So2 patterns, and standard clinical RA scores were observed. These findings suggest that multi-modal PA/US imaging could be a valuable tool in the comprehensive assessment of RA, offering insights not only into disease activity but also into the oxygenation status of synovial tissues. However, as promising as these results are, further investigations, especially in larger and diverse patient populations, are imperative. Key points ⸸ Multi-modal PA/US Imaging in RA: This novel technique was used to assess the So2 values in synovial tissues and determine PA scores of affected RA joints.⸸ Correlation significantly with Clinical RA Scores: Correlations significantly were noted between PA scores, PA+So2 patterns, and standard clinical RA metrics, hinting at the potential clinical applicability of the technique.
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Affiliation(s)
- Zhibin Huang
- Department of Ultrasound, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Dongzhou Liu
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Sijie Mo
- Department of Ultrasound, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Xiaoping Hong
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Jingyi Xie
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Yulan Chen
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Lixiong Liu
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Di Song
- Department of Ultrasound, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Shuzhen Tang
- Department of Ultrasound, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Huaiyu Wu
- Department of Ultrasound, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Jinfeng Xu
- Department of Ultrasound, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Fajin Dong
- Department of Ultrasound, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
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Tajaldeen A, Alrashidi M, Alsaadi MJ, Alghamdi SS, Alshammari H, Alsleem H, Jafer M, Aljondi R, Alqahtani S, Alotaibi A, Alzandi AM, Alahmari AM. Photoacoustic imaging in prostate cancer: A new paradigm for diagnosis and management. Photodiagnosis Photodyn Ther 2024; 47:104225. [PMID: 38821240 DOI: 10.1016/j.pdpdt.2024.104225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 05/24/2024] [Accepted: 05/28/2024] [Indexed: 06/02/2024]
Abstract
The global health issue of prostate cancer (PCa) requires better diagnosis and treatment. Photoacoustic imaging (PAI) may change PCa management. This review examines PAI's principles, diagnostic role, and therapeutic guidance. PAI uses optical light excitation and ultrasonic detection for high-resolution functional and molecular imaging. PAI uses endogenous and exogenous contrast agents to distinguish cancerous and benign prostate tissues with greater sensitivity and specificity than PSA testing and TRUS-guided biopsy. In addition to diagnosing, PAI can guide and monitor PCa therapy. Its real-time imaging allows precise biopsies and brachytherapy seed placement. Photoacoustic temperature imaging allows non-invasive monitoring of thermal therapies like cryotherapy, improving treatment precision and success. Transurethral illumination probes, innovative contrast agents, integration with other imaging modalities, and machine learning analysis are being developed to overcome depth and data complexity restrictions. PAI could become an essential tool for PCa diagnosis and therapeutic guidance as the field advances.
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Affiliation(s)
- Abdulrahman Tajaldeen
- Department of Radiologic Technology, College of Applied Medical Sciences, University of Jeddah, Jeddah 21959, Saudi Arabia.
| | - Muteb Alrashidi
- Department of Radiological Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam 34212, Saudi Arabia
| | - Mohamed J Alsaadi
- Radiology and Medical Imaging Department, College of Applied Medical Sciences, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Salem Saeed Alghamdi
- Department of Radiologic Technology, College of Applied Medical Sciences, University of Jeddah, Jeddah 21959, Saudi Arabia
| | - Hamed Alshammari
- Department of Radiological Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam 34212, Saudi Arabia
| | - Haney Alsleem
- Department of Radiological Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam 34212, Saudi Arabia
| | - Mustafa Jafer
- Department of Radiologic Technology, College of Applied Medical Sciences, University of Jeddah, Jeddah 21959, Saudi Arabia
| | - Rowa Aljondi
- Department of Radiologic Technology, College of Applied Medical Sciences, University of Jeddah, Jeddah 21959, Saudi Arabia
| | - Saeed Alqahtani
- Radiological Sciences Department, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Awatif Alotaibi
- Department of Radiological Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam 34212, Saudi Arabia
| | - Abdulrahman M Alzandi
- Department of Radiological Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam 34212, Saudi Arabia
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Nyayapathi N, Zheng E, Zhou Q, Doyley M, Xia J. Dual-modal Photoacoustic and Ultrasound Imaging: from preclinical to clinical applications. FRONTIERS IN PHOTONICS 2024; 5:1359784. [PMID: 39185248 PMCID: PMC11343488 DOI: 10.3389/fphot.2024.1359784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/27/2024]
Abstract
Photoacoustic imaging is a novel biomedical imaging modality that has emerged over the recent decades. Due to the conversion of optical energy into the acoustic wave, photoacoustic imaging offers high-resolution imaging in depth beyond the optical diffusion limit. Photoacoustic imaging is frequently used in conjunction with ultrasound as a hybrid modality. The combination enables the acquisition of both optical and acoustic contrasts of tissue, providing functional, structural, molecular, and vascular information within the same field of view. In this review, we first described the principles of various photoacoustic and ultrasound imaging techniques and then classified the dual-modal imaging systems based on their preclinical and clinical imaging applications. The advantages of dual-modal imaging were thoroughly analyzed. Finally, the review ends with a critical discussion of existing developments and a look toward the future.
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Affiliation(s)
- Nikhila Nyayapathi
- Electrical and Computer Engineering, University of Rochester, Rochester, New York, 14627
| | - Emily Zheng
- Department of Biomedical Engineering, University at Buffalo, Buffalo, New York, 14226
| | - Qifa Zhou
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA 90007
| | - Marvin Doyley
- Electrical and Computer Engineering, University of Rochester, Rochester, New York, 14627
| | - Jun Xia
- Department of Biomedical Engineering, University at Buffalo, Buffalo, New York, 14226
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Liu H, Wang M, Ji F, Jiang Y, Yang M. Mini review of photoacoustic clinical imaging: a noninvasive tool for disease diagnosis and treatment evaluation. JOURNAL OF BIOMEDICAL OPTICS 2024; 29:S11522. [PMID: 38230369 PMCID: PMC10790789 DOI: 10.1117/1.jbo.29.s1.s11522] [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: 10/04/2023] [Revised: 12/05/2023] [Accepted: 12/14/2023] [Indexed: 01/18/2024]
Abstract
Significance Photoacoustic (PA) imaging is an imaging modality that integrates anatomical, functional, metabolic, and histologic insights. It has been a hot topic of medical research and draws extensive attention. Aim This review aims to explore the applications of PA clinical imaging in human diseases, highlighting recent advancements. Approach A systemic survey of the literature concerning the clinical utility of PA imaging was conducted, with a particular focus on its application in tumors, autoimmune diseases, inflammatory conditions, and endocrine disorders. Results PA imaging is emerging as a valuable tool for human disease investigation. Information provided by PA imaging can be used for diagnosis, grading, and prognosis in multiple types of tumors including breast tumors, ovarian neoplasms, thyroid nodules, and cutaneous malignancies. PA imaging facilitates the monitoring of disease activity in autoimmune and inflammatory diseases such as rheumatoid arthritis, systemic sclerosis, arteritis, and inflammatory bowel disease by capturing dynamic functional alterations. Furthermore, its unique capability of visualizing vascular structure and oxygenation levels aids in assessing diabetes mellitus comorbidities and thyroid function. Conclusions Despite extant challenges, PA imaging offers a promising noninvasive tool for precision disease diagnosis, long-term evaluation, and prognosis anticipation, making it a potentially significant imaging modality for clinical practice.
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Affiliation(s)
- Huazhen Liu
- Chinese Academy of Medical Sciences and Peking Union Medical College, Peking Union Medical College Hospital, Department of Ultrasound, Beijing, China
| | - Ming Wang
- Chinese Academy of Medical Sciences and Peking Union Medical College, Peking Union Medical College Hospital, Department of Ultrasound, Beijing, China
| | - Fei Ji
- Chinese Academy of Medical Sciences and Peking Union Medical College, Peking Union Medical College Hospital, Department of Ultrasound, Beijing, China
| | - Yuxin Jiang
- Chinese Academy of Medical Sciences and Peking Union Medical College, Peking Union Medical College Hospital, Department of Ultrasound, Beijing, China
| | - Meng Yang
- Chinese Academy of Medical Sciences and Peking Union Medical College, Peking Union Medical College Hospital, Department of Ultrasound, Beijing, China
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Peng X, Dentinger A, Kewalramani S, Xu Z, Gray S, Ghose S, Tan YT, Yang Z, Jo J, Chamberland D, Xu G, Abdulaziz N, Gandikota G, Mills D, Wang X. An Automatic 3-D Ultrasound and Photoacoustic Combined Imaging System for Human Inflammatory Arthritis. IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL 2023; 70:1691-1702. [PMID: 37379174 PMCID: PMC10754277 DOI: 10.1109/tuffc.2023.3290824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/30/2023]
Abstract
Aiming at a point-of-care device for rheumatology clinics, we developed an automatic 3-D imaging system combining the emerging photoacoustic (PA) imaging with conventional Doppler ultrasound (US) for detecting human inflammatory arthritis. This system is based on a commercial-grade GE HealthCare (GEHC, Chicago, IL, USA) Vivid E95 US machine and a Universal Robot UR3 robotic arm. This system automatically locates the patient's finger joints from a photograph taken by an overhead camera powered by an automatic hand joint identification method, followed by the robotic arm moving the imaging probe to the targeted joint to scan and obtain 3-D PA and Doppler US images. The GEHC US machine was modified to enable high-speed, high-resolution PA imaging while maintaining the features available on the system. The commercial-grade image quality and the high sensitivity in detecting inflammation in peripheral joints via PA technology hold great potential to significantly benefit clinical care of inflammatory arthritis in a novel way.
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Zhang Z, Wang R, Xue H, Knoedler S, Geng Y, Liao Y, Alfertshofer M, Panayi AC, Ming J, Mi B, Liu G. Phototherapy techniques for the management of musculoskeletal disorders: strategies and recent advances. Biomater Res 2023; 27:123. [PMID: 38017585 PMCID: PMC10685661 DOI: 10.1186/s40824-023-00458-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 10/28/2023] [Indexed: 11/30/2023] Open
Abstract
Musculoskeletal disorders (MSDs), which include a range of pathologies affecting bones, cartilage, muscles, tendons, and ligaments, account for a significant portion of the global burden of disease. While pharmaceutical and surgical interventions represent conventional approaches for treating MSDs, their efficacy is constrained and frequently accompanied by adverse reactions. Considering the rising incidence of MSDs, there is an urgent demand for effective treatment modalities to alter the current landscape. Phototherapy, as a controllable and non-invasive technique, has been shown to directly regulate bone, cartilage, and muscle regeneration by modulating cellular behavior. Moreover, phototherapy presents controlled ablation of tumor cells, bacteria, and aberrantly activated inflammatory cells, demonstrating therapeutic potential in conditions such as bone tumors, bone infection, and arthritis. By constructing light-responsive nanosystems, controlled drug delivery can be achieved to enable precise treatment of MSDs. Notably, various phototherapy nanoplatforms with integrated imaging capabilities have been utilized for early diagnosis, guided therapy, and prognostic assessment of MSDs, further improving the management of these disorders. This review provides a comprehensive overview of the strategies and recent advances in the application of phototherapy for the treatment of MSDs, discusses the challenges and prospects of phototherapy, and aims to promote further research and application of phototherapy techniques.
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Affiliation(s)
- Zhenhe Zhang
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Rong Wang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
| | - Hang Xue
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Samuel Knoedler
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02152, USA
- Institute of Regenerative Biology and Medicine, Helmholtz Zentrum München, Max-Lebsche-Platz 31, 81377, Munich, Germany
| | - Yongtao Geng
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Yuheng Liao
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Michael Alfertshofer
- Division of Hand, Plastic and Aesthetic Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Adriana C Panayi
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02152, USA
- Department of Hand, Plastic and Reconstructive Surgery, Microsurgery, Burn Center, BG Trauma Center Ludwigshafen, University of Heidelberg, Ludwig-Guttmann-Strasse 13, 67071, Ludwigshafen, Rhine, Germany
| | - Jie Ming
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China.
| | - Bobin Mi
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China.
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China.
| | - Guohui Liu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China.
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China.
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Fernandes GS, Uliana JH, Bachmann L, Carneiro AA, Lediju Bell MA, Pavan TZ. Mitigating skin tone bias in linear array in vivo photoacoustic imaging with short-lag spatial coherence beamforming. PHOTOACOUSTICS 2023; 33:100555. [PMID: 38021286 PMCID: PMC10658615 DOI: 10.1016/j.pacs.2023.100555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 09/01/2023] [Accepted: 09/03/2023] [Indexed: 12/01/2023]
Abstract
Photoacoustic (PA) imaging has the potential to deliver non-invasive diagnostic information. However, skin tone differences bias PA target visualization, as the elevated optical absorption of melanated skin decreases optical fluence within the imaging plane and increases the presence of acoustic clutter. This paper demonstrates that short-lag spatial coherence (SLSC) beamforming mitigates this bias. PA data from the forearm of 18 volunteers were acquired with 750-, 810-, and 870-nm wavelengths. Skin tones ranging from light to dark were objectively quantified using the individual typology angle (ITA° ). The signal-to-noise ratio (SNR) of the radial artery (RA) and surrounding clutter were measured. Clutter was minimal (e.g., -16 dB relative to the RA) with lighter skin tones and increased to -8 dB with darker tones, which compromised RA visualization in conventional PA images. SLSC beamforming achieved a median SNR improvement of 3.8 dB, resulting in better RA visualization for all skin tones.
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Affiliation(s)
- Guilherme S.P. Fernandes
- Department of Physics, FFCLRP, University of Sao Paulo, Brazil
- Department of Electrical and Computer Engineering, Johns Hopkins University, USA
| | - João H. Uliana
- Department of Physics, FFCLRP, University of Sao Paulo, Brazil
| | | | | | - Muyinatu A. Lediju Bell
- Department of Electrical and Computer Engineering, Johns Hopkins University, USA
- Department of Biomedical Engineering, Johns Hopkins University, USA
- Department of Computer Science, Johns Hopkins University, USA
| | - Theo Z. Pavan
- Department of Physics, FFCLRP, University of Sao Paulo, Brazil
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Rodriguez Betancourt A, Samal A, Chan HL, Kripfgans OD. Overview of Ultrasound in Dentistry for Advancing Research Methodology and Patient Care Quality with Emphasis on Periodontal/Peri-implant Applications. Z Med Phys 2023; 33:336-386. [PMID: 36922293 PMCID: PMC10517409 DOI: 10.1016/j.zemedi.2023.01.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/20/2022] [Accepted: 01/11/2023] [Indexed: 03/14/2023]
Abstract
BACKGROUND Ultrasound is a non-invasive, cross-sectional imaging technique emerging in dentistry. It is an adjunct tool for diagnosing pathologies in the oral cavity that overcomes some limitations of current methodologies, including direct clinical examination, 2D radiographs, and cone beam computerized tomography. Increasing demand for soft tissue imaging has led to continuous improvements on transducer miniaturization and spatial resolution. The aims of this study are (1) to create a comprehensive overview of the current literature of ultrasonic imaging relating to dentistry, and (2) to provide a view onto investigations with immediate, intermediate, and long-term impact in periodontology and implantology. METHODS A rapid literature review was performed using two broad searches conducted in the PubMed database, yielding 576 and 757 citations, respectively. A rating was established within a citation software (EndNote) using a 5-star classification. The broad search with 757 citations allowed for high sensitivity whereas the subsequent rating added specificity. RESULTS A critical review of the clinical applications of ultrasound in dentistry was provided with a focus on applications in periodontology and implantology. The role of ultrasound as a developing dental diagnostic tool was reviewed. Specific uses such as soft and hard tissue imaging, longitudinal monitoring, as well as anatomic and physiological evaluation were discussed. CONCLUSIONS Future efforts should be directed towards the transition of ultrasonography from a research tool to a clinical tool. Moreover, a dedicated effort is needed to introduce ultrasonic imaging to dental education and the dental community to ultimately improve the quality of patient care.
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Affiliation(s)
| | - Ankita Samal
- Department of Radiology, Medical School, University of Michigan, Ann Arbor, MI, USA
| | - Hsun-Liang Chan
- Department of Periodontology and Oral Medicine, Dental School, University of Michigan, Ann Arbor, MI, USA
| | - Oliver D Kripfgans
- Department of Radiology, Medical School, University of Michigan, Ann Arbor, MI, USA
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Ni L, Wang X, Xu G. Photoacoustic clinical applications: Musculoskeletal and abdominal imaging. Z Med Phys 2023; 33:324-335. [PMID: 37365088 PMCID: PMC10517401 DOI: 10.1016/j.zemedi.2023.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 04/04/2023] [Accepted: 04/21/2023] [Indexed: 06/28/2023]
Abstract
Photoacoustic (PA) imaging has been extensively investigated in application in biomedicine over the last decade. This article reviews the motivation, significance, and system configuration of a few ongoing studies of implementing photoacoustic technology in musculoskeletal imaging, abdominal imaging, and interstitial sensing. The review then summarizes the methodologies and latest progress of relevant projects. Finally, we discuss our expectations for the future of translation research in PA imaging.
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Affiliation(s)
- Linyu Ni
- Department of Biomedical Engineering, University of Michigan, 2200 Bonisteel Blvd, Ann Arbor, MI 48109, USA
| | - Xueding Wang
- Department of Biomedical Engineering, University of Michigan, 2200 Bonisteel Blvd, Ann Arbor, MI 48109, USA
| | - Guan Xu
- Department of Biomedical Engineering, University of Michigan, 2200 Bonisteel Blvd, Ann Arbor, MI 48109, USA; Department of Ophthalmology and Visual Sciences, University of Michigan, 1000 Wall St., Ann Arbor, MI 48105, USA.
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10
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Lee M, Landers K, Chan J. Activity-Based Photoacoustic Probes for Detection of Disease Biomarkers beyond Oncology. ACS BIO & MED CHEM AU 2023; 3:223-232. [PMID: 37363076 PMCID: PMC10288495 DOI: 10.1021/acsbiomedchemau.3c00009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 02/27/2023] [Accepted: 02/28/2023] [Indexed: 06/28/2023]
Abstract
The earliest activity-based photoacoustic (PA) probes were developed as diagnostic agents for cancer. Since this seminal work over a decade ago that specifically targeted matrix metalloproteinase-2, PA instrumentation, dye platforms, and probe designs have advanced considerably, allowing for the detection of an impressive list of cancer types. However, beyond imaging for oncology purposes, the ability to selectively visualize a given disease biomarker, which can range from aberrant enzymatic activity to the overproduction of reactive small molecules, is also being exploited to study a myriad of noncancerous disease states. In this review, we have assembled a collection of recent papers to highlight the design principles that enable activity-based sensing via PA imaging with respect to biomarker identification and strategies to trigger probe activation under specific conditions.
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Gonzalez EA, Bell MAL. Photoacoustic Imaging and Characterization of Bone in Medicine: Overview, Applications, and Outlook. Annu Rev Biomed Eng 2023; 25:207-232. [PMID: 37000966 DOI: 10.1146/annurev-bioeng-081622-025405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Photoacoustic techniques have shown promise in identifying molecular changes in bone tissue and visualizing tissue microstructure. This capability represents significant advantages over gold standards (i.e., dual-energy X-ray absorptiometry) for bone evaluation without requiring ionizing radiation. Instead, photoacoustic imaging uses light to penetrate through bone, followed by acoustic pressure generation, resulting in highly sensitive optical absorption contrast in deep biological tissues. This review covers multiple bone-related photoacoustic imaging contributions to clinical applications, spanning bone cancer, joint pathologies, spinal disorders, osteoporosis, bone-related surgical guidance, consolidation monitoring, and transsphenoidal and transcranial imaging. We also present a summary of photoacoustic-based techniques for characterizing biomechanical properties of bone, including temperature, guided waves, spectral parameters, and spectroscopy. We conclude with a future outlook based on the current state of technological developments, recent achievements, and possible new directions.
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Affiliation(s)
- Eduardo A Gonzalez
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Muyinatu A Lediju Bell
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
- Department of Electrical and Computer Engineering and Department of Computer Science, Johns Hopkins University, Baltimore, Maryland, USA;
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12
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Peng X, Xu Z, Dentinger A, Kewalramani S, Jo J, Xu G, Chamberland D, Abdulaziz N, Gandikota G, Mills D, Wang X. Longitudinal volumetric assessment of inflammatory arthritis via photoacoustic imaging and Doppler ultrasound imaging. PHOTOACOUSTICS 2023; 31:100514. [PMID: 37255965 PMCID: PMC10225933 DOI: 10.1016/j.pacs.2023.100514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/26/2023] [Accepted: 05/20/2023] [Indexed: 06/01/2023]
Abstract
Aiming at clinical translation, we developed an automatic 3D imaging system combining the emerging photoacoustic imaging with conventional Doppler ultrasound for detecting inflammatory arthritis. This system was built with a GE HealthCare (GEHC) Vivid™ E95 ultrasound system and a Universal Robot UR3 robotic arm. In this work, the performance of this system was examined with a longitudinal study utilizing a clinically relevant adjuvant induced arthritis (AIA) murine model. After adjuvant injection, daily imaging of the rat ankle joints was conducted until joint inflammation was obvious based on visual inspection. Processed imaging results and statistical analyses indicated that both the hyperemia (enhanced blood volume) detected by photoacoustic imaging and the enhanced blood flow detected by Doppler ultrasound reflected the progress of joint inflammation. However, photoacoustic imaging, by leveraging the highly sensitive optical contrast, detected inflammation earlier than Doppler ultrasound, and also showed changes that are more statistically significant. This side-by-side comparison between photoacoustic imaging and Doppler ultrasound using the same commercial grade GEHC ultrasound machine demonstrates the advantage and potential value of the emerging photoacoustic imaging for rheumatology clinical care of arthritis.
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Affiliation(s)
- Xiaorui Peng
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Zhanpeng Xu
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
| | | | - Shivangi Kewalramani
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Janggun Jo
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Guan Xu
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
- Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, MI, USA
| | - David Chamberland
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Nada Abdulaziz
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Girish Gandikota
- Department of Radiology, University of Michigan, Ann Arbor, MI, USA
| | - David Mills
- General Electric Research, Niskayuna, NY, USA
| | - Xueding Wang
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
- Department of Radiology, University of Michigan, Ann Arbor, MI, USA
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13
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Swartchick CB, Chan J. Leveraging coordination chemistry to visualize metal ions via photoacoustic imaging. Curr Opin Chem Biol 2023; 74:102312. [PMID: 37146434 DOI: 10.1016/j.cbpa.2023.102312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 03/14/2023] [Accepted: 03/29/2023] [Indexed: 05/07/2023]
Abstract
Metal ions are indispensable to all living systems owing to their diverse roles. Perturbation of metal homeostasis have been linked to many pathological conditions. As such, visualizing metal ions in these complex environments are of utmost importance. Photoacoustic imaging is a promising modality that combines the sensitivity of fluorescence to the superior resolution of ultrasound, through a light-in sound-out process, making it an appealing modality for metal ion detection in vivo. In this review, we highlight recent advances in the development of photoacoustic imaging probes for in vivo detection of metal ions, such as potassium, copper, zinc, and palladium. In addition, we provide our perspective and outlook on the exciting field.
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Affiliation(s)
- Chelsea B Swartchick
- Department of Chemistry and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United States
| | - Jefferson Chan
- Department of Chemistry and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United States.
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14
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Jo J, Mills D, Dentinger A, Chamberland D, Abdulaziz NM, Wang X, Schiopu E, Gandikota G. Photoacoustic Imaging of COVID-19 Vaccine Site Inflammation of Autoimmune Disease Patients. SENSORS (BASEL, SWITZERLAND) 2023; 23:2789. [PMID: 36904999 PMCID: PMC10006996 DOI: 10.3390/s23052789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 02/25/2023] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
Based on the observations made in rheumatology clinics, autoimmune disease (AD) patients on immunosuppressive (IS) medications have variable vaccine site inflammation responses, whose study may help predict the long-term efficacy of the vaccine in this at-risk population. However, the quantitative assessment of the inflammation of the vaccine site is technically challenging. In this study analyzing AD patients on IS medications and normal control subjects, we imaged the inflammation of the vaccine site 24 h after mRNA COVID-19 vaccinations were administered using both the emerging photoacoustic imaging (PAI) method and the established Doppler ultrasound (US) method. A total of 15 subjects were involved, including 6 AD patients on IS and 9 normal control subjects, and the results from the two groups were compared. Compared to the results obtained from the control subjects, the AD patients on IS medications showed statistically significant reductions in vaccine site inflammation, indicating that immunosuppressed AD patients also experience local inflammation after mRNA vaccination but not in as clinically apparent of a manner when compared to non-immunosuppressed non-AD individuals. Both PAI and Doppler US were able to detect mRNA COVID-19 vaccine-induced local inflammation. PAI, based on the optical absorption contrast, shows better sensitivity in assessing and quantifying the spatially distributed inflammation in soft tissues at the vaccine site.
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Affiliation(s)
- Janggun Jo
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - David Mills
- General Electric Research, Niskayuna, NY 12309, USA
| | | | - David Chamberland
- Department of Internal Medicine, Division of Rheumatology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Nada M. Abdulaziz
- Department of Internal Medicine, Division of Rheumatology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Xueding Wang
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Radiology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Elena Schiopu
- Division of Rheumatology, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
| | - Girish Gandikota
- Department of Radiology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
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15
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Wang Z, Tong Z, Chen H, Nie G, Hu J, Liu W, Wang E, Yuan B, Wang Z, Hu J. Photoacoustic/ultrasonic dual-mode imaging for monitoring angiogenesis and synovial erosion in rheumatoid arthritis. PHOTOACOUSTICS 2023; 29:100458. [PMID: 36816882 PMCID: PMC9929594 DOI: 10.1016/j.pacs.2023.100458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 02/03/2023] [Accepted: 02/05/2023] [Indexed: 02/08/2023]
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by the formation of new vessels, synovial proliferation and destruction of articular cartilage. However, characteristic early diagnostic and therapeutic monitoring methods are still lacking. We report a study using a photoacoustic/ultrasound (PA/US) dual-mode imaging for RA disease. By establishing a collagen-induced (CIA) RA mouse model to classify disease states based on a subjective grading system, PA/US imaging allows real-time assessment of synovial erosion and vascular opacification within the knee joint in different disease states at high spatial resolution. The system also quantitatively monitors subcutaneous vascular physiology and morphology in the hind paw of mice, measuring the area and photoacoustic signal intensity of vascular proliferation and showing a positive correlation with disease grading. Compared to traditional subjective scoring of arthritis severity, the PA/US imaging is more sensitive i.e., vascular signals and synovial erosion can be observed early in the course of arthritis.
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Affiliation(s)
- Zhen Wang
- Department of Orthopaedics, The First Affiliated Hospital of Shantou University Medical College, Shantou, PR China
- Orthopaedic Medical Research Center, The First Affiliated Hospital of Shantou University Medical College, Shantou, PR China
| | - Zhuangzhuang Tong
- MOE Key Laboratory of Laser Life Science & Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, PR China
| | - Hongjiang Chen
- Department of Orthopaedics, The First Affiliated Hospital of Shantou University Medical College, Shantou, PR China
- Orthopaedic Medical Research Center, The First Affiliated Hospital of Shantou University Medical College, Shantou, PR China
| | - Guangshuai Nie
- Department of Orthopaedics, The First Affiliated Hospital of Shantou University Medical College, Shantou, PR China
- Orthopaedic Medical Research Center, The First Affiliated Hospital of Shantou University Medical College, Shantou, PR China
| | - Jia Hu
- Department of Orthopaedics, The First Affiliated Hospital of Shantou University Medical College, Shantou, PR China
- Orthopaedic Medical Research Center, The First Affiliated Hospital of Shantou University Medical College, Shantou, PR China
| | - Weiyang Liu
- Department of Orthopaedics, The First Affiliated Hospital of Shantou University Medical College, Shantou, PR China
- Orthopaedic Medical Research Center, The First Affiliated Hospital of Shantou University Medical College, Shantou, PR China
| | - Erqi Wang
- MOE Key Laboratory of Laser Life Science & Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, PR China
| | - Bo Yuan
- MOE Key Laboratory of Laser Life Science & Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, PR China
| | - Zhiyang Wang
- MOE Key Laboratory of Laser Life Science & Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, PR China
- Corresponding author.
| | - Jun Hu
- Department of Orthopaedics, The First Affiliated Hospital of Shantou University Medical College, Shantou, PR China
- Orthopaedic Medical Research Center, The First Affiliated Hospital of Shantou University Medical College, Shantou, PR China
- Correspondence to: Department of Orthopaedics, First Affiliated Hospital of Shantou University Medical College, Shantou, PR China.
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Yang M, Zhao C, Wang M, Wang Q, Zhang R, Bai W, Liu J, Zhang S, Xu D, Liu S, Li X, Qi Z, Yang F, Zhu L, He X, Tian X, Zeng X, Li J, Jiang Y. Synovial Oxygenation at Photoacoustic Imaging to Assess Rheumatoid Arthritis Disease Activity. Radiology 2023; 306:220-228. [PMID: 35997608 DOI: 10.1148/radiol.212257] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Background Synovial hypoxia is a hallmark of rheumatoid arthritis (RA). Photoacoustic (PA) imaging, based on the use of laser-generated US, can detect the oxygenation status of tissue in individuals with RA. However, large studies are lacking, with few investigating the correlation between oxygenation status and disease activity. Purpose To measure synovial oxygenation status in participants with RA by using a multimodal PA US imaging system and to determine the correlation between PA imaging-measured oxygen saturation (SO2) and disease activity. Materials and Methods In this prospective observational cohort study, multimodal PA US imaging examinations were performed on small joints of consecutive participants with RA, who were treated at two outpatient rheumatology clinics from 2019 to 2021, and healthy controls. The SO2 values of the synovium were measured with dual-wavelength PA imaging and classified into three categories-hyperoxia, intermediate oxygenation status, or hypoxia-based on the signal coloration and clustering analysis of the SO2 values. The correlations of oxygenation status with power Doppler US (PDUS) scoring and clinical disease activity index were evaluated with one-way analysis of variance and the Kruskal-Wallis test with Bonferroni correction. Results A total of 118 participants with RA (median age, 55 years [IQR, 41-62 years]; 92 women) and 15 healthy control participants (median age, 37 years [IQR, 33-41 years]; 11 women) were included. The wrist synovium was categorized as hyperoxic in 36 participants with RA, of intermediate oxygenation status in 48 participants, and hypoxic in 34 participants. All control participants had hyperoxic synovial tissues. For participants with RA, hyperoxic synovium had more affluent Doppler US-depicted vasculature than those with hypoxia and intermediate oxygenation status (mean PDUS grade: hyperoxia, 2.7 ± 0.6 [SD]; intermediate, 1.3 ± 0.7; hypoxia, 1.1 ± 0.8; P < .001). Participants with intermediate status synovium had a lower clinical disease activity index than those with hypoxia (intermediate, 11.0 [IQR, 5.0-21.5] vs hypoxia, 26.0 [IQR, 18.0-39.0]; P = .001). Conclusion Photoacoustic imaging-detected hypoxia in thickened synovium correlated with less vascularization and higher disease activity in participants with rheumatoid arthritis. Clinical trial registration no. NCT04297475 © RSNA, 2022 Online supplemental material is available for this article.
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Affiliation(s)
- Meng Yang
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Chenyang Zhao
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Ming Wang
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Qian Wang
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Rui Zhang
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Wei Bai
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Jian Liu
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Shangzhu Zhang
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Dong Xu
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Sirui Liu
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Xuelan Li
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Zhenhong Qi
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Fang Yang
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Lei Zhu
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Xujin He
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Xinping Tian
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Xiaofeng Zeng
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Jianchu Li
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
| | - Yuxin Jiang
- From the Departments of Ultrasound (M.Y., C.Z., M.W., R.Z., S.L., X.L., Z.Q., J. Li, Y.J.) and Rheumatology and Clinical Immunology (Q.W., W.B., S.Z., D.X., X.T., X.Z.), State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan No. 1, Dongcheng District, Beijing 100730, China; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, and Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (Q.W., W.B., S.Z., D.X., X.T., X.Z.,); Department of Rheumatology, Aero Space Central Hospital, Beijing, China (J. Liu); and Shenzhen Mindray Bio-Medical Electronics Co, Ltd, Shenzhen, China (F.Y., L.Z., X.H.)
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17
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Wen Y, Guo D, Zhang J, Liu X, Liu T, Li L, Jiang S, Wu D, Jiang H. Clinical photoacoustic/ultrasound dual-modal imaging: Current status and future trends. Front Physiol 2022; 13:1036621. [PMID: 36388111 PMCID: PMC9651137 DOI: 10.3389/fphys.2022.1036621] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 10/05/2022] [Indexed: 08/24/2023] Open
Abstract
Photoacoustic tomography (PAT) is an emerging biomedical imaging modality that combines optical and ultrasonic imaging, providing overlapping fields of view. This hybrid approach allows for a natural integration of PAT and ultrasound (US) imaging in a single platform. Due to the similarities in signal acquisition and processing, the combination of PAT and US imaging creates a new hybrid imaging for novel clinical applications. Over the recent years, particular attention is paid to the development of PAT/US dual-modal systems highlighting mutual benefits in clinical cases, with an aim of substantially improving the specificity and sensitivity for diagnosis of diseases. The demonstrated feasibility and accuracy in these efforts open an avenue of translating PAT/US imaging to practical clinical applications. In this review, the current PAT/US dual-modal imaging systems are discussed in detail, and their promising clinical applications are presented and compared systematically. Finally, this review describes the potential impacts of these combined systems in the coming future.
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Affiliation(s)
- Yanting Wen
- Department of Ultrasound Imaging, The Fifth People’s Hospital of Chengdu, Chengdu, China
- School of Computer Science and Technology, Chongqing University of Posts and Telecommunications, Chongqing, China
| | - Dan Guo
- Department of Ultrasound Imaging, The Fifth People’s Hospital of Chengdu, Chengdu, China
| | - Jing Zhang
- Department of Ultrasound Imaging, The Fifth People’s Hospital of Chengdu, Chengdu, China
- School of Computer Science and Technology, Chongqing University of Posts and Telecommunications, Chongqing, China
| | - Xiaotian Liu
- Department of Ultrasound Imaging, The Fifth People’s Hospital of Chengdu, Chengdu, China
| | - Ting Liu
- Department of Ultrasound Imaging, The Fifth People’s Hospital of Chengdu, Chengdu, China
| | - Lu Li
- Department of Ultrasound Imaging, The Fifth People’s Hospital of Chengdu, Chengdu, China
| | - Shixie Jiang
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, United States
| | - Dan Wu
- School of Computer Science and Technology, Chongqing University of Posts and Telecommunications, Chongqing, China
| | - Huabei Jiang
- Department of Medical Engineering, University of South Florida, Tampa, FL, United States
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18
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Rajasekar B, Nirmala P, Bhuvaneswari P, Radhika R, Asha S, Kavitha KR, Belay SS. A Feasible Multimodal Photoacoustic Imaging Approach for Evaluating the Clinical Symptoms of Inflammatory Arthritis. BIOMED RESEARCH INTERNATIONAL 2022; 2022:7358575. [PMID: 36046441 PMCID: PMC9420593 DOI: 10.1155/2022/7358575] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 07/27/2022] [Accepted: 08/09/2022] [Indexed: 12/03/2022]
Abstract
Numerous traditional medical imaging methods, including computed tomography with X-rays, positron emission tomography (PET), and magnetic resonance imaging (MRI), are utilized frequently in medical settings to screen for illnesses, diagnose patients, and track the effectiveness of treatments. When examining bone protrusions, CT is preferred over MRI for scanning connective tissue. Although the picture quality of PET is inferior to that of CT and MR, it is outstanding for detecting the molecular markers and metabolic functions of illnesses. To give high-resolution structural pictures and improved ailment sensitivity and specificity within another image, multimodal data and substantial therapeutic influence on advanced diagnostics and therapeutics have been used. The goal was to evaluate the clinical significance of multimodal photoacoustic/ultrasound (PA/US) articular imaging scoring, a cutting-edge image technique that may show the microvessels and oxygen levels of rheumatoid arthritis-related inflamed joints (RA). The PA/US imaging technology analyzed seven tiny joints. The PA and power Doppler (PD) impulses were semiquantified using a 0-3 grading scale, and the averages of the PA and PD scores for the seven joints are computed. Three PA+SO2 types were found determined by the relative oxygen levels (SO2) measurements of the affected joints. Researchers evaluated the relationships between the disease activity ratings and the PA/US imaging ratings. The PA scores and medical ratings that reflect the extent of the pain have strong relationships with each other, as do the PA+SO2 combinations. PA may be clinically useful in assessing RA. Thus, the research evaluated the clinical symptoms of inflammatory arthritis using a multimodal photoacoustic image process.
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Affiliation(s)
- B. Rajasekar
- Department of Electronics and Communication Engineering, Sathyabama Institute of Science and Technology, Chennai, 600119 Tamil Nadu, India
| | - P. Nirmala
- Department of Electronics and Communication Engineering, Saveetha School of Engineering, SIMATS, Chennai, 602 105 Tamil Nadu, India
| | - P. Bhuvaneswari
- Department of Electronics and Communication Engineering, Sri Venkateswara College of Engineering and Technology, Chittoor, Andhra Pradesh 517127, India
| | - R. Radhika
- Department of Electronics and Communication Engineering, S.A Engineering College, Chennai, 600077 Tamil Nadu, India
| | - S. Asha
- Department of Electronics and Communication Engineering, Saveetha Engineering College, Chennai, 602105 Tamil Nadu, India
| | - K. R. Kavitha
- Department of Electronics and Communication Engineering, Sona College of Technology, Salem, 636005 Tamil Nadu, India
| | - Semagn Shifere Belay
- School of Computing, Woldia Institute of Technology, Woldia University, Ethiopia
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19
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Taylor-Williams M, Spicer G, Bale G, Bohndiek SE. Noninvasive hemoglobin sensing and imaging: optical tools for disease diagnosis. JOURNAL OF BIOMEDICAL OPTICS 2022; 27:JBO-220074VR. [PMID: 35922891 PMCID: PMC9346606 DOI: 10.1117/1.jbo.27.8.080901] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 06/27/2022] [Indexed: 05/08/2023]
Abstract
SIGNIFICANCE Measurement and imaging of hemoglobin oxygenation are used extensively in the detection and diagnosis of disease; however, the applied instruments vary widely in their depth of imaging, spatiotemporal resolution, sensitivity, accuracy, complexity, physical size, and cost. The wide variation in available instrumentation can make it challenging for end users to select the appropriate tools for their application and to understand the relative limitations of different methods. AIM We aim to provide a systematic overview of the field of hemoglobin imaging and sensing. APPROACH We reviewed the sensing and imaging methods used to analyze hemoglobin oxygenation, including pulse oximetry, spectral reflectance imaging, diffuse optical imaging, spectroscopic optical coherence tomography, photoacoustic imaging, and diffuse correlation spectroscopy. RESULTS We compared and contrasted the ability of different methods to determine hemoglobin biomarkers such as oxygenation while considering factors that influence their practical application. CONCLUSIONS We highlight key limitations in the current state-of-the-art and make suggestions for routes to advance the clinical use and interpretation of hemoglobin oxygenation information.
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Affiliation(s)
- Michaela Taylor-Williams
- University of Cambridge, Department of Physics, Cavendish Laboratory, Cambridge, United Kingdom, United Kingdom
- University of Cambridge, Cancer Research UK Cambridge Institute, Cambridge, United Kingdom, United Kingdom
| | - Graham Spicer
- University of Cambridge, Department of Physics, Cavendish Laboratory, Cambridge, United Kingdom, United Kingdom
- University of Cambridge, Cancer Research UK Cambridge Institute, Cambridge, United Kingdom, United Kingdom
| | - Gemma Bale
- University of Cambridge, Department of Physics, Cavendish Laboratory, Cambridge, United Kingdom, United Kingdom
- University of Cambridge, Electrical Division, Department of Engineering, Cambridge, United Kingdom, United Kingdom
| | - Sarah E Bohndiek
- University of Cambridge, Department of Physics, Cavendish Laboratory, Cambridge, United Kingdom, United Kingdom
- University of Cambridge, Cancer Research UK Cambridge Institute, Cambridge, United Kingdom, United Kingdom
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20
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Palma-Chavez J, Wear KA, Mantri Y, Jokerst JV, Vogt WC. Photoacoustic imaging phantoms for assessment of object detectability and boundary buildup artifacts. PHOTOACOUSTICS 2022; 26:100348. [PMID: 35360521 PMCID: PMC8960980 DOI: 10.1016/j.pacs.2022.100348] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 02/18/2022] [Accepted: 03/17/2022] [Indexed: 05/05/2023]
Abstract
Standardized phantoms and test methods are needed to accelerate clinical translation of emerging photoacoustic imaging (PAI) devices. Evaluating object detectability in PAI is challenging due to variations in target morphology and artifacts including boundary buildup. Here we introduce breast fat and parenchyma tissue-mimicking materials based on emulsions of silicone oil and ethylene glycol in polyacrylamide hydrogel. 3D-printed molds were used to fabricate solid target inclusions that produced more filled-in appearance than traditional PAI phantoms. Phantoms were used to assess understudied image quality characteristics (IQCs) of three PAI systems. Object detectability was characterized vs. target diameter, absorption coefficient, and depth. Boundary buildup was quantified by target core/boundary ratio, which was higher in transducers with lower center frequency. Target diameter measurement accuracy was also size-dependent and improved with increasing transducer frequency. These phantoms enable evaluation of multiple key IQCs and may support development of comprehensive standardized test methods for PAI devices.
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Affiliation(s)
- Jorge Palma-Chavez
- Department of NanoEngineering, University of California San Diego, La Jolla, CA 92093, USA
| | - Keith A. Wear
- Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, MD 20993, USA
| | - Yash Mantri
- Department of Bioengineering, University of California, San Diego, La Jolla, CA 92093, USA
| | - Jesse V. Jokerst
- Department of NanoEngineering, University of California San Diego, La Jolla, CA 92093, USA
- Department of Radiology, University of California San Diego, La Jolla, CA 92093, USA
- Material Science Program, University of California San Diego, La Jolla, CA 92093, USA
- Corresponding author at: Department of NanoEngineering, University of California San Diego, La Jolla, CA 92093, USA.
| | - William C. Vogt
- Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, MD 20993, USA
- Corresponding author.
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21
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Ikematsu H, Ishihara M, Okawa S, Minamide T, Mitsui T, Kuwata T, Ito M, Kinoshita T, Fujita T, Yano T, Omori T, Ozawa S, Murakoshi D, Irisawa K, Ochiai A. Photoacoustic imaging of fresh human surgically and endoscopically resected gastrointestinal specimens. DEN OPEN 2022; 2:e28. [PMID: 35310764 PMCID: PMC8828192 DOI: 10.1002/deo2.28] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 05/04/2021] [Accepted: 05/12/2021] [Indexed: 11/08/2022]
Abstract
Objective Photoacoustic (PA) imaging is a novel noninvasive technique that offers high‐contrast tomographic imaging with ultrasound‐like resolution at depths of centimeters, enabling visualization of deep small vessels. The aim of this pilot study was to survey the characteristics of deep vessel networks in the mucosa of neoplastic gastrointestinal (GI) lesions using PA imaging. Methods Specimens of patients who had undergone surgical and endoscopic resection for GI lesions were included in this study. The PA/ultrasound imaging system for clinical research is characterized by a technology that can superimpose a PA image over an ultrasound image. Three‐dimensional PA images were acquired for the resected specimen before fixation. The stomach and colon of live pigs were incised, and the walls were scanned from the mucosa. Results A total of 32 specimens (nine esophageal, 12 gastric, 11 colorectal) were scanned. The pathological diagnoses were adenomas (n = 2), intramucosal cancers (n = 14), and invasive cancers (n = 16). The deep vessel networks of all lesions could be visualized. In the intramucosal lesions, the deep vessel network was similar to that of a normal tissue. In invasive cancers, the thick and prominent vessel network was visible in the surface layer of esophageal cancers, infiltrated area of gastric cancers, and surface layer and infiltrated area of colorectal cancers. In the images of living pigs, visualizing the vascular network deeper than the submucosa in both the stomach and large intestine was possible. Conclusion Our study confirmed that the deep vessel networks of neoplastic GI lesions were visible by PA imaging.
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Affiliation(s)
- Hiroaki Ikematsu
- Division of Science and Technology for Endoscopy Exploratory Oncology Research and Clinical Trial Center National Cancer Center Chiba Japan
- Department of Gastroenterology and Endoscopy National Cancer Center Hospital East Chiba Japan
| | - Miya Ishihara
- Department of Medical Engineering National Defense Medical College Saitama Japan
| | - Shinpei Okawa
- Department of Medical Engineering National Defense Medical College Saitama Japan
| | - Tatsunori Minamide
- Department of Gastroenterology and Endoscopy National Cancer Center Hospital East Chiba Japan
| | - Tomohiro Mitsui
- Department of Gastroenterology and Endoscopy National Cancer Center Hospital East Chiba Japan
| | - Takeshi Kuwata
- Department of Pathology and Clinical Laboratories National Cancer Center Hospital East Chiba Japan
| | - Masaaki Ito
- Department of Colorectal Surgery National Cancer Center Hospital East Chiba Japan
| | - Takahiro Kinoshita
- Department of Gastric Surgery National Cancer Center Hospital East Chiba Japan
| | - Takeo Fujita
- Department of Esophageal Surgery National Cancer Center Hospital East Chiba Japan
| | - Tomonori Yano
- Department of Gastroenterology and Endoscopy National Cancer Center Hospital East Chiba Japan
| | - Toshihiko Omori
- Medical Systems Research & Development Center Research & Development Management Headquarters FUJIFILM Corporation Kanagawa Japan
| | - Satoshi Ozawa
- Medical Systems Research & Development Center Research & Development Management Headquarters FUJIFILM Corporation Kanagawa Japan
| | - Dai Murakoshi
- Medical Systems Research & Development Center Research & Development Management Headquarters FUJIFILM Corporation Kanagawa Japan
| | - Kaku Irisawa
- Medical Systems Research & Development Center Research & Development Management Headquarters FUJIFILM Corporation Kanagawa Japan
| | - Atsushi Ochiai
- Exploratory Oncology Research and Clinical Trial Center National Cancer Center Chiba Japan
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22
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Agrawal S, Suresh T, Garikipati A, Dangi A, Kothapalli SR. Modeling combined ultrasound and photoacoustic imaging: Simulations aiding device development and artificial intelligence. PHOTOACOUSTICS 2021; 24:100304. [PMID: 34584840 PMCID: PMC8452892 DOI: 10.1016/j.pacs.2021.100304] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 09/01/2021] [Accepted: 09/08/2021] [Indexed: 05/07/2023]
Abstract
Combined ultrasound and photoacoustic (USPA) imaging has attracted several pre-clinical and clinical applications due to its ability to simultaneously display structural, functional, and molecular information of deep biological tissue in real time. However, the depth and wavelength dependent optical attenuation and the unknown optical and acoustic heterogeneities limit the USPA imaging performance in deep tissue regions. Novel instrumentation, image reconstruction, and artificial intelligence (AI) methods are currently being investigated to overcome these limitations and improve the USPA image quality. Effective implementation of these approaches requires a reliable USPA simulation tool capable of generating US based anatomical and PA based molecular contrasts of deep biological tissue. Here, we developed a hybrid USPA simulation platform by integrating finite element models of light (NIRFast) and ultrasound (k-Wave) propagations for co-simulation of B-mode US and PA images. The platform allows optimization of different design parameters for USPA devices, such as the aperture size and frequency of both light and ultrasound detector arrays. For designing tissue-realistic digital phantoms, a dictionary-based function has been added to k-Wave to generate various levels of ultrasound speckle contrast. The feasibility of modeling US imaging combined with optical fluence dependent multispectral PA imaging is demonstrated using homogeneous as well as heterogeneous tissue phantoms mimicking human organs (e.g., prostate and finger). In addition, we also demonstrate the potential of the simulation platform to generate large scale application-specific training and test datasets for AI enhanced USPA imaging. The complete USPA simulation codes together with the supplementary user guides have been posted to an open-source repository (https://github.com/KothapalliLabPSU/US-PA_simulation_codes).
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Affiliation(s)
- Sumit Agrawal
- Department of Biomedical Engineering, Pennsylvania State University, University Park, PA, 16802, USA
| | - Thaarakh Suresh
- Department of Biomedical Engineering, Pennsylvania State University, University Park, PA, 16802, USA
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Ankit Garikipati
- Department of Electrical Engineering, Pennsylvania State University, University Park, PA, 16802, USA
| | - Ajay Dangi
- Department of Biomedical Engineering, Pennsylvania State University, University Park, PA, 16802, USA
| | - Sri-Rajasekhar Kothapalli
- Department of Biomedical Engineering, Pennsylvania State University, University Park, PA, 16802, USA
- Penn State Cancer Institute, Pennsylvania State University, Hershey, PA, 17033, USA
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23
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Lucero MY, Chan J. Photoacoustic imaging of elevated glutathione in models of lung cancer for companion diagnostic applications. Nat Chem 2021; 13:1248-1256. [PMID: 34697400 PMCID: PMC8629919 DOI: 10.1038/s41557-021-00804-0] [Citation(s) in RCA: 82] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 08/27/2021] [Indexed: 11/08/2022]
Abstract
Companion diagnostics (CDx) are powerful tests that can provide physicians with crucial biomarker information that can improve treatment outcomes by matching therapies to patients. Here, we report a photoacoustic imaging-based CDx (PACDx) for the selective detection of elevated glutathione (GSH) in a lung cancer model. GSH is abundant in most cells, so we adopted a physical organic chemistry approach to precisely tune the reactivity to distinguish between normal and pathological states. To evaluate the efficacy of PACDx in vivo, we designed a blind study where photoacoustic imaging was used to identify mice bearing lung xenografts. We also employed PACDx in orthotopic lung cancer and liver metastasis models to image GSH. In addition, we designed a matching prodrug, PARx, that uses the same SNAr chemistry to release a chemotherapeutic with an integrated PA readout. Studies demonstrate that PARx can inhibit tumour growth without off-target toxicity in a lung cancer xenograft model.
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Affiliation(s)
- Melissa Y Lucero
- Department of Chemistry and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Jefferson Chan
- Department of Chemistry and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
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24
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Current Status and Advancement of Ultrasound Imaging Technologies in Musculoskeletal Studies. CURRENT PHYSICAL MEDICINE AND REHABILITATION REPORTS 2021. [DOI: 10.1007/s40141-021-00337-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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25
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MacRitchie N, Noonan J, Guzik TJ, Maffia P. Molecular Imaging of Cardiovascular Inflammation. Br J Pharmacol 2021; 178:4216-4245. [PMID: 34378206 DOI: 10.1111/bph.15654] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 10/22/2020] [Accepted: 11/09/2020] [Indexed: 11/30/2022] Open
Abstract
Cardiovascular diseases (CVD), including atherosclerosis, are chronic inflammatory diseases characterised by a complex and evolving tissue micro-environment. Molecular heterogeneity of inflammatory responses translates into clinical outcomes. However, current medical imaging modalities are unable to reveal the cellular and molecular events at a level of detail that would allow more accurate and timely diagnosis and treatment. This is an inherent limitation of the current imaging tools which are restricted to anatomical or functional data. Molecular imaging - the visualization and quantification of molecules in the body - is already established in the clinic in the form of Positron Emitted Tomography (PET), yet the use of PET in CVD is limited. In this visual review, we will guide you through the current state of molecular imaging research, assessing the respective strengths and weaknesses of molecular imaging modalities, including those already being used in the clinic such as PET and magnetic resonance imaging (MRI) and emerging technologies at pre-clinical stage, such as photoacoustic imaging. We discuss the basic principles of each technology and provide key examples of their application in imaging inflammation in CVD and the added value into the diagnostic decision-making process. Finally, we discuss barriers for rapid successful clinical translation of these novel diagnostic modalities.
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Affiliation(s)
- Neil MacRitchie
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom.,Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | | | - Tomasz J Guzik
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom.,Department of Internal Medicine, Jagiellonian University, Collegium Medicum, Kraków, Poland
| | - Pasquale Maffia
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom.,Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom.,Department of Pharmacy, University of Naples Federico II, Naples, Italy
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26
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Liu N, Chen X, Kimm MA, Stechele M, Chen X, Zhang Z, Wildgruber M, Ma X. In vivo optical molecular imaging of inflammation and immunity. J Mol Med (Berl) 2021; 99:1385-1398. [PMID: 34272967 DOI: 10.1007/s00109-021-02115-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 06/04/2021] [Accepted: 07/07/2021] [Indexed: 12/20/2022]
Abstract
Inflammation is the phenotypic form of various diseases. Recent development in molecular imaging provides new insights into the diagnostic and therapeutic evaluation of different inflammatory diseases as well as diseases involving inflammation such as cancer. While conventional imaging techniques used in the clinical setting provide only indirect measures of inflammation such as increased perfusion and altered endothelial permeability, optical imaging is able to report molecular information on diseased tissue and cells. Optical imaging is a quick, noninvasive, nonionizing, and easy-to-use diagnostic technology which has been successfully applied for preclinical research. Further development of optical imaging technology such as optoacoustic imaging overcomes the limitations of mere fluorescence imaging, thereby enabling pilot clinical applications in humans. By means of endogenous and exogenous contrast agents, sites of inflammation can be accurately visualized in vivo. This allows for early disease detection and specific disease characterization, enabling more rapid and targeted therapeutic interventions. In this review, we summarize currently available optical imaging techniques used to detect inflammation, including optical coherence tomography (OCT), bioluminescence, fluorescence, optoacoustics, and Raman spectroscopy. We discuss advantages and disadvantages of the different in vivo imaging applications with a special focus on targeting inflammation including immune cell tracking.
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Affiliation(s)
- Nian Liu
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, Department of Pharmaceutical Analysis, China Pharmaceutical University, Nanjing, 210009, China
- Department of Chemistry, Technical University of Munich, 85747, Garching, Germany
| | - Xiao Chen
- Klinik und Poliklinik IV, University Hospital, LMU Munich, 80336, Munich, Germany
| | - Melanie A Kimm
- Department of Radiology, University Hospital, LMU Munich, 81337, Munich, Germany
| | - Matthias Stechele
- Department of Radiology, University Hospital, LMU Munich, 81337, Munich, Germany
| | - Xueli Chen
- School of Life Science and Technology, Xidian University, Xi'an 710126, China
| | - Zhimin Zhang
- School of Control Science and Engineering, Shandong University, Jinan, 250061, China
| | - Moritz Wildgruber
- Department of Radiology, University Hospital, LMU Munich, 81337, Munich, Germany
| | - Xiaopeng Ma
- School of Control Science and Engineering, Shandong University, Jinan, 250061, China.
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27
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Hariri A, Palma-Chavez J, Wear KA, Pfefer TJ, Jokerst JV, Vogt WC. Polyacrylamide hydrogel phantoms for performance evaluation of multispectral photoacoustic imaging systems. PHOTOACOUSTICS 2021; 22:100245. [PMID: 33747787 PMCID: PMC7972966 DOI: 10.1016/j.pacs.2021.100245] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 12/09/2020] [Accepted: 02/12/2021] [Indexed: 05/21/2023]
Abstract
As photoacoustic imaging (PAI) begins to mature and undergo clinical translation, there is a need for well-validated, standardized performance test methods to support device development, quality control, and regulatory evaluation. Despite recent progress, current PAI phantoms may not adequately replicate tissue light and sound transport over the full range of optical wavelengths and acoustic frequencies employed by reported PAI devices. Here we introduce polyacrylamide (PAA) hydrogel as a candidate material for fabricating stable phantoms with well-characterized optical and acoustic properties that are biologically relevant over a broad range of system design parameters. We evaluated suitability of PAA phantoms for conducting image quality assessment of three PAI systems with substantially different operating parameters including two commercial systems and a custom system. Imaging results indicated that appropriately tuned PAA phantoms are useful tools for assessing and comparing PAI system image quality. These phantoms may also facilitate future standardization of performance test methodology.
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Affiliation(s)
- Ali Hariri
- Department of NanoEngineering, University of California San Diego, La Jolla, CA 92093, USA
| | - Jorge Palma-Chavez
- Department of NanoEngineering, University of California San Diego, La Jolla, CA 92093, USA
| | - Keith A Wear
- Center for Devices and Radiological Health, U.S. Food and Drug Administration, Silver Spring, MD 20993, USA
| | - T Joshua Pfefer
- Center for Devices and Radiological Health, U.S. Food and Drug Administration, Silver Spring, MD 20993, USA
| | - Jesse V Jokerst
- Department of NanoEngineering, University of California San Diego, La Jolla, CA 92093, USA
- Department of Radiology, University of California San Diego, La Jolla, CA 92093, USA
- Materials Science and Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - William C Vogt
- Center for Devices and Radiological Health, U.S. Food and Drug Administration, Silver Spring, MD 20993, USA
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Karlas A, Pleitez MA, Aguirre J, Ntziachristos V. Optoacoustic imaging in endocrinology and metabolism. Nat Rev Endocrinol 2021; 17:323-335. [PMID: 33875856 DOI: 10.1038/s41574-021-00482-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/19/2021] [Indexed: 02/02/2023]
Abstract
Imaging is an essential tool in research, diagnostics and the management of endocrine disorders. Ultrasonography, nuclear medicine techniques, MRI, CT and optical methods are already used for applications in endocrinology. Optoacoustic imaging, also termed photoacoustic imaging, is emerging as a method for visualizing endocrine physiology and disease at different scales of detail: microscopic, mesoscopic and macroscopic. Optoacoustic contrast arises from endogenous light absorbers, such as oxygenated and deoxygenated haemoglobin, lipids and water, or exogenous contrast agents, and reveals tissue vasculature, perfusion, oxygenation, metabolic activity and inflammation. The development of high-performance optoacoustic scanners for use in humans has given rise to a variety of clinical investigations, which complement the use of the technology in preclinical research. Here, we review key progress with optoacoustic imaging technology as it relates to applications in endocrinology; for example, to visualize thyroid morphology and function, and the microvasculature in diabetes mellitus or adipose tissue metabolism, with particular focus on multispectral optoacoustic tomography and raster-scan optoacoustic mesoscopy. We explain the merits of optoacoustic microscopy and focus on mid-infrared optoacoustic microscopy, which enables label-free imaging of metabolites in cells and tissues. We showcase current optoacoustic applications within endocrinology and discuss the potential of these technologies to advance research and clinical practice.
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Affiliation(s)
- Angelos Karlas
- Chair of Biological Imaging, Center for Translational Cancer Research (TranslaTUM), Technical University of Munich, Munich, Germany
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, Germany
- Department of Vascular and Endovascular Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
- Munich Partner Site, German Center for Cardiovascular Research (DZHK), Munich, Germany
| | - Miguel A Pleitez
- Chair of Biological Imaging, Center for Translational Cancer Research (TranslaTUM), Technical University of Munich, Munich, Germany
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, Germany
| | - Juan Aguirre
- Chair of Biological Imaging, Center for Translational Cancer Research (TranslaTUM), Technical University of Munich, Munich, Germany
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, Germany
| | - Vasilis Ntziachristos
- Chair of Biological Imaging, Center for Translational Cancer Research (TranslaTUM), Technical University of Munich, Munich, Germany.
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, Germany.
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Chen Q, Qin W, Qi W, Xi L. Progress of clinical translation of handheld and semi-handheld photoacoustic imaging. PHOTOACOUSTICS 2021; 22:100264. [PMID: 33868921 PMCID: PMC8040335 DOI: 10.1016/j.pacs.2021.100264] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 03/10/2021] [Accepted: 03/10/2021] [Indexed: 05/05/2023]
Abstract
Photoacoustic imaging (PAI), featuring rich contrast, high spatial/temporal resolution and deep penetration, is one of the fastest-growing biomedical imaging technology over the last decade. To date, numbers of handheld and semi-handheld photoacoustic imaging devices have been reported with corresponding potential clinical applications. Here, we summarize emerged handheld and semi-handheld systems in terms of photoacoustic computed tomography (PACT), optoacoustic mesoscopy (OAMes), and photoacoustic microscopy (PAM). We will discuss each modality in three aspects: laser delivery, scanning protocol, and acoustic detection. Besides new technical developments, we also review the associated clinical studies, and the advantages/disadvantages of these new techniques. In the end, we propose the challenges and perspectives of miniaturized PAI in the future.
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Affiliation(s)
- Qian Chen
- School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, 610054, China
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
| | - Wei Qin
- School of Physics, University of Electronics Science and Technology of China, Chengdu, 610054, China
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
| | - Weizhi Qi
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
| | - Lei Xi
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
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Lucero MY, East AK, Reinhardt CJ, Sedgwick AC, Su S, Lee MC, Chan J. Development of NIR-II Photoacoustic Probes Tailored for Deep-Tissue Sensing of Nitric Oxide. J Am Chem Soc 2021; 143:7196-7202. [PMID: 33905646 PMCID: PMC8274393 DOI: 10.1021/jacs.1c03004] [Citation(s) in RCA: 82] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Photoacoustic (PA) imaging has emerged as a reliable in vivo technique for diverse biomedical applications ranging from disease screening to analyte sensing. Most contemporary PA imaging agents employ NIR-I light (650-900 nm) to generate an ultrasound signal; however, there is significant interference from endogenous biomolecules such as hemoglobin that are PA active in this window. Transitioning to longer excitation wavelengths (i.e., NIR-II) reduces the background and facilitates the detection of low abundance targets (e.g., nitric oxide, NO). In this study, we employed a two-phase tuning approach to develop APNO-1080, a NIR-II NO-responsive probe for deep-tissue PA imaging. First, we performed Hammett and Brønsted analyses to identify a highly reactive and selective aniline-based trigger that reacts with NO via N-nitrosation chemistry. Next, we screened a panel of NIR-II platforms to identify chemical structures that have a low propensity to aggregate since this can diminish the PA signal. In a head-to-head comparison with a NIR-I analogue, APNO-1080 was 17.7-fold more sensitive in an in vitro tissue phantom assay. To evaluate the deep-tissue imaging capabilities of APNO-1080 in vivo, we performed PA imaging in an orthotopic breast cancer model and a heterotopic lung cancer model. Relative to control mice not bearing tumors, the normalized turn-on response was 1.3 ± 0.12 and 1.65 ± 0.07, respectively.
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Affiliation(s)
- Melissa Y Lucero
- Department of Chemistry and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Amanda K East
- Department of Chemistry and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Christopher J Reinhardt
- Department of Chemistry and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Adam C Sedgwick
- Department of Chemistry and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Shengzhang Su
- Department of Chemistry and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Michael C Lee
- Department of Chemistry and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Jefferson Chan
- Department of Chemistry and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
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Zhang J, Ning L, Zeng Z, Pu K. Development of Second Near-Infrared Photoacoustic Imaging Agents. TRENDS IN CHEMISTRY 2021. [DOI: 10.1016/j.trechm.2021.01.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Biocompatible ring-deformed indium phthalocyanine label for near-infrared photoacoustic imaging. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2020.119993] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Peñate Medina T, Kolb JP, Hüttmann G, Huber R, Peñate Medina O, Ha L, Ulloa P, Larsen N, Ferrari A, Rafecas M, Ellrichmann M, Pravdivtseva MS, Anikeeva M, Humbert J, Both M, Hundt JE, Hövener JB. Imaging Inflammation - From Whole Body Imaging to Cellular Resolution. Front Immunol 2021; 12:692222. [PMID: 34248987 PMCID: PMC8264453 DOI: 10.3389/fimmu.2021.692222] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 05/12/2021] [Indexed: 01/31/2023] Open
Abstract
Imaging techniques have evolved impressively lately, allowing whole new concepts like multimodal imaging, personal medicine, theranostic therapies, and molecular imaging to increase general awareness of possiblities of imaging to medicine field. Here, we have collected the selected (3D) imaging modalities and evaluated the recent findings on preclinical and clinical inflammation imaging. The focus has been on the feasibility of imaging to aid in inflammation precision medicine, and the key challenges and opportunities of the imaging modalities are presented. Some examples of the current usage in clinics/close to clinics have been brought out as an example. This review evaluates the future prospects of the imaging technologies for clinical applications in precision medicine from the pre-clinical development point of view.
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Affiliation(s)
- Tuula Peñate Medina
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Medical Center, Schleswig-Holstein Kiel University, Kiel, Germany
- *Correspondence: Tuula Peñate Medina, ; Jan-Bernd Hövener,
| | - Jan Philip Kolb
- Institute of Biomedical Optics, University of Lübeck, Lübeck, Germany
| | - Gereon Hüttmann
- Institute of Biomedical Optics, University of Lübeck, Lübeck, Germany
- Airway Research Center North (ARCN), Member of the German Center of Lung Research (DZL), Gießen, Germany
| | - Robert Huber
- Institute of Biomedical Optics, University of Lübeck, Lübeck, Germany
| | - Oula Peñate Medina
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Medical Center, Schleswig-Holstein Kiel University, Kiel, Germany
- Institute for Experimental Cancer Research (IET), University of Kiel, Kiel, Germany
| | - Linh Ha
- Department of Dermatology, Allergology and Venereology, University Hospital Schleswig-Holstein Lübeck (UKSH), Lübeck, Germany
| | - Patricia Ulloa
- Department of Radiology and Neuroradiology, University Medical Centers Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Naomi Larsen
- Department of Radiology and Neuroradiology, University Medical Centers Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Arianna Ferrari
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Medical Center, Schleswig-Holstein Kiel University, Kiel, Germany
| | - Magdalena Rafecas
- Institute of Medical Engineering (IMT), University of Lübeck, Lübeck, Germany
| | - Mark Ellrichmann
- Interdisciplinary Endoscopy, Medical Department1, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Mariya S. Pravdivtseva
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Medical Center, Schleswig-Holstein Kiel University, Kiel, Germany
- Department of Radiology and Neuroradiology, University Medical Centers Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Mariia Anikeeva
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Medical Center, Schleswig-Holstein Kiel University, Kiel, Germany
| | - Jana Humbert
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Medical Center, Schleswig-Holstein Kiel University, Kiel, Germany
- Department of Radiology and Neuroradiology, University Medical Centers Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Marcus Both
- Department of Radiology and Neuroradiology, University Medical Centers Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Jennifer E. Hundt
- Lübeck Institute for Experimental Dermatology (LIED), University of Lübeck, Lübeck, Germany
| | - Jan-Bernd Hövener
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Medical Center, Schleswig-Holstein Kiel University, Kiel, Germany
- *Correspondence: Tuula Peñate Medina, ; Jan-Bernd Hövener,
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Jo J, Xu G, Schiopu E, Chamberland D, Gandikota G, Wang X. Imaging of enthesitis by an LED-based photoacoustic system. JOURNAL OF BIOMEDICAL OPTICS 2020; 25:JBO-200274RR. [PMID: 33331148 PMCID: PMC7744251 DOI: 10.1117/1.jbo.25.12.126005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 12/01/2020] [Indexed: 05/03/2023]
Abstract
SIGNIFICANCE One key pathological characteristic of seronegative spondyloarthropathy (SpA) is inflammation at the insertion of tendons and ligaments into the bone (enthesitis). AIM We explore the potential of the emerging photoacoustic (PA) imaging in diagnosis of SpA and review its feasibility in detecting SpA-associated Achilles tendon enthesitis. APPROACH A light-emitting diode (LED)-based PA and ultrasound combined system was employed. The PA images, both along the long and the short axes of each Achilles tendon insertion region, were acquired at 850-nm wavelength, which is sensitive in depicting increased blood volume (i.e., hyperemia). To assess the hyperemia indicating enthesis inflammation, two parameters were quantified in the imaged tendons, including the average intensity and the density of the color pixels in the pseudo-color PA images. Ten SpA patients, all of which met Assessment of SpA International Society (ASAS) criteria for SpA and were found to have Achilles enthesitis by clinical exam according to a board-certified rheumatologist, were included in the study. RESULTS The PA and Doppler ultrasound imaging of Achilles enthesitis resulting from these 10 SpA patients were compared to those from 10 healthy volunteers, leading to statistically significant differences (p < 0.05) in the applied t-tests. CONCLUSIONS This preliminary clinical study suggests that the LED-based PA imaging holds a promise for sensitive and objective assessment of SpA enthesitis in an outpatient setting of the rheumatology clinic.
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Affiliation(s)
- Janggun Jo
- University of Michigan, Department of Biomedical Engineering, Ann Arbor, Michigan, United States
| | - Guan Xu
- University of Michigan, Department of Biomedical Engineering, Ann Arbor, Michigan, United States
- University of Michigan, Department of Ophthalmology and Visual Sciences, Ann Arbor, Michigan, United States
| | - Elena Schiopu
- University of Michigan Medical School, Division of Rheumatology, Department of Internal Medicine, Ann Arbor, Michigan, United States
- Address all correspondence to Elena Schiopu, ; Girish Gandikota, ; Xueding Wang,
| | - David Chamberland
- University of Michigan Medical School, Division of Rheumatology, Department of Internal Medicine, Ann Arbor, Michigan, United States
| | - Girish Gandikota
- University of Michigan Medical School, Department of Radiology, Ann Arbor, Michigan, United States
- Address all correspondence to Elena Schiopu, ; Girish Gandikota, ; Xueding Wang,
| | - Xueding Wang
- University of Michigan, Department of Biomedical Engineering, Ann Arbor, Michigan, United States
- University of Michigan Medical School, Department of Radiology, Ann Arbor, Michigan, United States
- Address all correspondence to Elena Schiopu, ; Girish Gandikota, ; Xueding Wang,
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Multimodal photoacoustic/ultrasonic imaging system: a promising imaging method for the evaluation of disease activity in rheumatoid arthritis. Eur Radiol 2020; 31:3542-3552. [PMID: 33180165 PMCID: PMC8043900 DOI: 10.1007/s00330-020-07353-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/16/2020] [Accepted: 09/24/2020] [Indexed: 11/02/2022]
Abstract
OBJECTIVES We aimed to assess the clinical value of multimodal photoacoustic/ultrasound (PA/US) articular imaging scores, a novel imaging method which can reflect the micro-vessels and oxygenation level of inflamed joints of rheumatoid arthritis (RA). METHODS Seven small joints were examined by the PA/US imaging system. A 0-3 scoring system was used to semi-quantify the PA and power-Doppler (PD) signals, and the sums of PA and PD scores (PA-sum and PD-sum scores) of the seven joints were calculated. The relative oxygen saturation (SO2) values of the inflamed joints were measured and classified into 3 PA+SO2 patterns. The correlations between the PA/US imaging scores and the disease activity scores were assessed. RESULTS Thirty-one patients of RA and a total of 217 joints were examined using the PA/US system. The PA-sum had high positive correlations with the standard clinical scores of RA (DAS28 [ESR] ρ = 0.754, DAS28 [CRP] ρ = 0.796, SDAI ρ = 0.836, CDAI ρ = 0.837, p < 0.001), which were superior to the PD-sum (DAS28 [ESR] ρ = 0.651, DAS28 [CRP] ρ = 0.676, SDAI ρ = 0.716, CDAI ρ = 0.709, p < 0.001). For the patients with high PA-sum scores, significant differences between hypoxia and hyperoxia were identified in pain visual analog score (p = 0.020) and patient's global assessment (p = 0.026). The PA+SO2 patterns presented moderate and high correlation with PGA (ρ = 0.477, p = 0.0077) and VAS pain score (ρ = 0.717, p < 0.001). CONCLUSION The PA scores have significant correlations with standard clinical scores for RA, and the PA+SO2 patterns are also related with clinical scores that reflect pain severity. PA may have clinical potential in evaluating RA. KEY POINTS • Multimodal photoacoustic/ultrasound imaging is a novel method to assess micro-vessels and oxygenation of local lesions. • Significant correlations between multimodal imaging parameters and clinical scores of RA patients were verified. • The multimodal PA/US system can provide objective imaging parameters, including PA scores of micro-vessels and relative SO2 value, as a supplementary to disease activity evaluation.
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Yang H, Jüstel D, Prakash J, Karlas A, Helfen A, Masthoff M, Wildgruber M, Ntziachristos V. Soft ultrasound priors in optoacoustic reconstruction: Improving clinical vascular imaging. PHOTOACOUSTICS 2020; 19:100172. [PMID: 32280585 PMCID: PMC7139114 DOI: 10.1016/j.pacs.2020.100172] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 02/24/2020] [Accepted: 02/26/2020] [Indexed: 05/06/2023]
Abstract
Using the same ultrasound detector, hybrid optoacoustic-ultrasound (OPUS) imaging provides concurrent scans of tissue slices or volumes and visualizes complementary sound- and light-based contrast at similar resolutions. In addition to the benefit of hybrid contrast, spatial co-registration enables images from one modality to be employed as prior information for improving an aspect of the performance of the other modality. We consider herein a handheld OPUS system and utilize structural information from ultrasound images to guide regional Laplacian regularization-based reconstruction of optoacoustic images. Using phantoms and data from OPUS scans of human radial and carotid arteries, we show that ultrasound-driven optoacoustic inversion reduces limited-view artefacts and improves image contrast. In phantoms, prior-integrated reconstruction leads to a 50 % higher contrast-to-noise ratio (CNR) of the image than standard reconstruction, and a 17 % higher structural similarity (SSIM) index. In clinical data, prior-integrated reconstruction detects deep-seated radial arteries with higher CNR than the standard method at three different depths. In this way, the prior-integrated method offers unique insights into atherosclerotic carotid plaques in humans (with p<0.01 between patients and healthy volunteers), potentially paving the way for new abilities in vascular imaging and more generally in optoacoustic imaging.
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Affiliation(s)
- Hong Yang
- Institute of Biological and Medical Imaging (IBMI), Helmholtz Zentrum München, Ingolstädter Landstr. 1, D-85764, Neuherberg, Germany
- Chair of Biological Imaging and TranslaTUM, Technical University of Munich, Ismaninger Str. 22, 81675, München, Germany
| | - Dominik Jüstel
- Institute of Biological and Medical Imaging (IBMI), Helmholtz Zentrum München, Ingolstädter Landstr. 1, D-85764, Neuherberg, Germany
- Chair of Biological Imaging and TranslaTUM, Technical University of Munich, Ismaninger Str. 22, 81675, München, Germany
| | - Jaya Prakash
- Dept. of Instrumentation and Applied Physics, Indian Institute of Science, C. V. Raman Road, 560012, Bangalore, India
| | - Angelos Karlas
- Institute of Biological and Medical Imaging (IBMI), Helmholtz Zentrum München, Ingolstädter Landstr. 1, D-85764, Neuherberg, Germany
- Chair of Biological Imaging and TranslaTUM, Technical University of Munich, Ismaninger Str. 22, 81675, München, Germany
- Clinic for Vascular and Endovascular Surgery, Klinikum rechts der Isar, Ismaninger Str. 22, D-81675, München, Germany
| | - Anne Helfen
- Department of Clinical Radiology, University Hospital Muenster, Albert-Schweitzer-Campus 1, A16, 49149, Muenster, Germany
| | - Max Masthoff
- Department of Clinical Radiology, University Hospital Muenster, Albert-Schweitzer-Campus 1, A16, 49149, Muenster, Germany
| | - Moritz Wildgruber
- Department of Clinical Radiology, University Hospital Muenster, Albert-Schweitzer-Campus 1, A16, 49149, Muenster, Germany
- Klinik und Poliklinik für Radiologie, Klinikum der Universität München, Munich, Germany
| | - Vasilis Ntziachristos
- Institute of Biological and Medical Imaging (IBMI), Helmholtz Zentrum München, Ingolstädter Landstr. 1, D-85764, Neuherberg, Germany
- Chair of Biological Imaging and TranslaTUM, Technical University of Munich, Ismaninger Str. 22, 81675, München, Germany
- Corresponding author at: Institute of Biological and Medical Imaging (IBMI), Helmholtz Zentrum München, Ingolstädter Landstr. 1, D-85764, Neuherberg, Germany.
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Nguyen HNY, Steenbergen W. Three-dimensional view of out-of-plane artifacts in photoacoustic imaging using a laser-integrated linear-transducer-array probe. PHOTOACOUSTICS 2020; 19:100176. [PMID: 32257797 PMCID: PMC7096763 DOI: 10.1016/j.pacs.2020.100176] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 03/09/2020] [Accepted: 03/10/2020] [Indexed: 05/08/2023]
Abstract
Research on photoacoustic imaging (PAI) using a handheld integrated photoacoustic probe has been a recent focus of clinical translation of this imaging technique. One of the remaining challenges is the occurrence of out-of-plane artifacts (OPAs) in such a probe. Previously, we proposed a method to identify and remove OPAs by axially displacing the transducer array. Here we show that besides the benefit of removing OPAs from the imaging plane, the proposed method can provide a three-dimensional (3D) view of the OPAs. In this work, we present a 3D reconstruction method using axial transducer array displacement. By axially displacing the transducer array, out-of-plane absorbers can be three-dimensionally visualized at an elevation distance of up to the acquired imaging depth. Additionally, OPAs in the in-plane image are significantly reduced. We experimentally demonstrate the method with phantom and in vivo experiments using an integrated PAI probe. We also compare the method with elevational transducer array displacement and take into account the sensitivity of the transducer array in the 3D reconstruction.
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Attia ABE, Bi R, Dev K, Du Y, Olivo M. Clinical noninvasive imaging and spectroscopic tools for dermatological applications: Review of recent progress. TRANSLATIONAL BIOPHOTONICS 2020. [DOI: 10.1002/tbio.202000010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Affiliation(s)
- Amalina Binte Ebrahim Attia
- Lab of Bio‐Optical Imaging, Singapore Bioimaging Consortium (SBIC) Agency for Science Technology and Research (A*STAR) Singapore Singapore
| | - Renzhe Bi
- Lab of Bio‐Optical Imaging, Singapore Bioimaging Consortium (SBIC) Agency for Science Technology and Research (A*STAR) Singapore Singapore
| | - Kapil Dev
- Lab of Bio‐Optical Imaging, Singapore Bioimaging Consortium (SBIC) Agency for Science Technology and Research (A*STAR) Singapore Singapore
| | | | - Malini Olivo
- Lab of Bio‐Optical Imaging, Singapore Bioimaging Consortium (SBIC) Agency for Science Technology and Research (A*STAR) Singapore Singapore
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Affiliation(s)
- Xinping Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing China
| | - Xiaoyang Liu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing China
| | - Yuxin Guo
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing China
| | - Fu‐Gen Wu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing China
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Multiangle Long-Axis Lateral Illumination Photoacoustic Imaging Using Linear Array Transducer. SENSORS 2020; 20:s20144052. [PMID: 32708170 PMCID: PMC7411732 DOI: 10.3390/s20144052] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 07/18/2020] [Accepted: 07/19/2020] [Indexed: 12/23/2022]
Abstract
Photoacoustic imaging (PAI) combines optical contrast with ultrasound spatial resolution and can be obtained up to a depth of a few centimeters. Hand-held PAI systems using linear array usually operate in reflection mode using a dark-field illumination scheme, where the optical fiber output is attached to both sides of the elevation plane (short-axis) of the transducer. More recently, bright-field strategies where the optical illumination is coaxial with acoustic detection have been proposed to overcome some limitations of the standard dark-field approach. In this paper, a novel multiangle long-axis lateral illumination is proposed. Monte Carlo simulations were conducted to evaluate light delivery for three different illumination schemes: bright-field, standard dark-field, and long-axis lateral illumination. Long-axis lateral illumination showed remarkable improvement in light delivery for targets with a width smaller than the transducer lateral dimension. A prototype was developed to experimentally demonstrate the feasibility of the proposed approach. In this device, the fiber bundle terminal ends are attached to both sides of the transducer’s long-axis and the illumination angle of each fiber bundle can be independently controlled. The final PA image is obtained by the coherent sum of subframes acquired using different angles. The prototype was experimentally evaluated by taking images from a phantom, a mouse abdomen, forearm, and index finger of a volunteer. The system provided light delivery enhancement taking advantage of the geometry of the target, achieving sufficient signal-to-noise ratio at clinically relevant depths.
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Kuriakose M, Nguyen CD, Kuniyil Ajith Singh M, Mallidi S. Optimizing Irradiation Geometry in LED-Based Photoacoustic Imaging with 3D Printed Flexible and Modular Light Delivery System. SENSORS 2020; 20:s20133789. [PMID: 32640683 PMCID: PMC7374354 DOI: 10.3390/s20133789] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 06/29/2020] [Accepted: 06/29/2020] [Indexed: 01/04/2023]
Abstract
Photoacoustic (PA) imaging–a technique combining the ability of optical imaging to probe functional properties of the tissue and deep structural imaging ability of ultrasound–has gained significant popularity in the past two decades for its utility in several biomedical applications. More recently, light-emitting diodes (LED) are being explored as an alternative to bulky and expensive laser systems used in PA imaging for their portability and low-cost. Due to the large beam divergence of LEDs compared to traditional laser beams, it is imperative to quantify the angular dependence of LED-based illumination and optimize its performance for imaging superficial or deep-seated lesions. A custom-built modular 3-D printed hinge system and tissue-mimicking phantoms with various absorption and scattering properties were used in this study to quantify the angular dependence of LED-based illumination. We also experimentally calculated the source divergence of the pulsed-LED arrays to be 58° ± 8°. Our results from point sources (pencil lead phantom) in non-scattering medium obey the cotangential relationship between the angle of irradiation and maximum PA intensity obtained at various imaging depths, as expected. Strong dependence on the angle of illumination at superficial depths (−5°/mm at 10 mm) was observed that becomes weaker at intermediate depths (−2.5°/mm at 20 mm) and negligible at deeper locations (−1.1°/mm at 30 mm). The results from the tissue-mimicking phantom in scattering media indicate that angles between 30–75° could be used for imaging lesions at various depths (12 mm–28 mm) where lower LED illumination angles (closer to being parallel to the imaging plane) are preferable for deep tissue imaging and superficial lesion imaging is possible with higher LED illumination angles (closer to being perpendicular to the imaging plane). Our results can serve as a priori knowledge for the future LED-based PA system designs employed for both preclinical and clinical applications.
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Affiliation(s)
- Maju Kuriakose
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA; (M.K.); (C.D.N.)
| | - Christopher D. Nguyen
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA; (M.K.); (C.D.N.)
| | | | - Srivalleesha Mallidi
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA; (M.K.); (C.D.N.)
- Correspondence:
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Tracking Osteoarthritis Progress through Cationic Nanoprobe-Enhanced Photoacoustic Imaging of Cartilage. Acta Biomater 2020; 109:153-162. [PMID: 32339712 DOI: 10.1016/j.actbio.2020.04.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 03/21/2020] [Accepted: 04/02/2020] [Indexed: 12/11/2022]
Abstract
A major obstacle in osteoarthritis (OA) theranostics is the lack of a timely and accurate monitoring method. It is hypothesized that the loss of anionic glycosaminoglycans (GAGs) in articular cartilage reflects the progression of OA. Thus, this study investigated the feasibility of photoacoustic imaging (PAI) applied for monitoring the in vivo course of OA progression via GAG-targeted cationic nanoprobes. The nanoprobes were synthesized through electrostatic attraction between poly-l-Lysine and melanin (PLL-MNPs). Cartilage explants with different concentrations of GAGs incubated with PLL-MNPs to test the relationship between GAGs content and PA signal intensity. GAG activity was then evaluated in vivo in destabilization of the medial meniscus (DMM) surgically-induced mouse model. To track OA progression over time, mice were imaged consistently for 10 weeks after OA-inducing surgery. X-ray was used to verify the superiority of PAI in detecting OA. The correlation between PAI data and histologic results was also analyzed. In vitro study demonstrated the ability of PLL-MNPs in sensitively detecting different GAGs concentrations. In vivo PAI exhibited significantly lower signal intensity from OA knees compared to normal knees. More importantly, PA signal intensity showed serial reduction over the course of OA, while X-ray showed visible joint destruction until 6 weeks. A decrease in GAGs content was confirmed by histologic examinations; moreover, histologic findings were well correlated with PAI results. Therefore, using cationic nanoprobe-enhanced PAI to detect the changes in GAG contents provides sensitive and consistent visualization of OA development. This approach will further facilitate OA theranostics and clinical translation. STATEMENT OF SIGNIFICANCE: The study of in vivo monitoring osteoarthritis (OA) is of high significance to tracking the trajectory of OA development and therapeutic monitoring. Here, we developed a cartilage-targeted cationic nanoprobe, poly-l-Lysine-melanin nanoparticles (PLL-MNPs), enhancing photoacoustic imaging (PAI) to monitor the progression of OA. The in vitro study demonstrated the ability of PLL-MNPs to detect different concentrations of GAGs with high sensitivity. We found that the contents of GAGs in vivo steadily decreased from the development of OA initial-stage to the end-point of our investigation via PAI; it reflected the course of OA in living subjects with high sensitivity. These results allow for further development in various aspects of OA research. It has potential for clinical translation and has a great impact on personalized medicine.
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Photoacoustic Imaging Probes Based on Tetrapyrroles and Related Compounds. Int J Mol Sci 2020; 21:ijms21093082. [PMID: 32349297 PMCID: PMC7247687 DOI: 10.3390/ijms21093082] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/21/2020] [Accepted: 04/22/2020] [Indexed: 12/11/2022] Open
Abstract
Photoacoustic imaging (PAI) is a rapidly evolving field in molecular imaging that enables imaging in the depths of ultrasound and with the sensitivity of optical modalities. PAI bases on the photoexcitation of a chromophore, which converts the absorbed light into thermal energy, causing an acoustic pressure wave that can be captured with ultrasound transducers, in generating an image. For in vivo imaging, chromophores strongly absorbing in the near-infrared range (NIR; > 680 nm) are required. As tetrapyrroles have a long history in biomedical applications, novel tetrapyrroles and inspired mimics have been pursued as potentially suitable contrast agents for PAI. The goal of this review is to summarize the current state of the art in PAI applications using tetrapyrroles and related macrocycles inspired by it, highlighting those compounds exhibiting strong NIR-absorption. Furthermore, we discuss the current developments of other absorbers for in vivo photoacoustic (PA) applications.
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Towards Clinical Translation of LED-Based Photoacoustic Imaging: A Review. SENSORS 2020; 20:s20092484. [PMID: 32349414 PMCID: PMC7249023 DOI: 10.3390/s20092484] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 04/20/2020] [Accepted: 04/22/2020] [Indexed: 12/14/2022]
Abstract
Photoacoustic imaging, with the capability to provide simultaneous structural, functional, and molecular information, is one of the fastest growing biomedical imaging modalities of recent times. As a hybrid modality, it not only provides greater penetration depth than the purely optical imaging techniques, but also provides optical contrast of molecular components in the living tissue. Conventionally, photoacoustic imaging systems utilize bulky and expensive class IV lasers, which is one of the key factors hindering the clinical translation of this promising modality. Use of LEDs which are portable and affordable offers a unique opportunity to accelerate the clinical translation of photoacoustics. In this paper, we first review the development history of LED as an illumination source in biomedical photoacoustic imaging. Key developments in this area, from point-source measurements to development of high-power LED arrays, are briefly discussed. Finally, we thoroughly review multiple phantom, ex-vivo, animal in-vivo, human in-vivo, and clinical pilot studies and demonstrate the unprecedented preclinical and clinical potential of LED-based photoacoustic imaging.
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Molecular imaging of inflammation - Current and emerging technologies for diagnosis and treatment. Pharmacol Ther 2020; 211:107550. [PMID: 32325067 DOI: 10.1016/j.pharmthera.2020.107550] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 10/07/2019] [Indexed: 12/12/2022]
Abstract
Inflammation is a key factor in multiple diseases including primary immune-mediated inflammatory diseases e.g. rheumatoid arthritis but also, less obviously, in many other common conditions, e.g. cardiovascular disease and diabetes. Together, chronic inflammatory diseases contribute to the majority of global morbidity and mortality. However, our understanding of the underlying processes by which the immune response is activated and sustained is limited by a lack of cellular and molecular information obtained in situ. Molecular imaging is the visualization, detection and quantification of molecules in the body. The ability to reveal information on inflammatory biomarkers, pathways and cells can improve disease diagnosis, guide and monitor therapeutic intervention and identify new targets for research. The optimum molecular imaging modality will possess high sensitivity and high resolution and be capable of non-invasive quantitative imaging of multiple disease biomarkers while maintaining an acceptable safety profile. The mainstays of current clinical imaging are computed tomography (CT), magnetic resonance imaging (MRI), ultrasound (US) and nuclear imaging such as positron emission tomography (PET). However, none of these have yet progressed to routine clinical use in the molecular imaging of inflammation, therefore new approaches are required to meet this goal. This review sets out the respective merits and limitations of both established and emerging imaging modalities as clinically useful molecular imaging tools in addition to potential theranostic applications.
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Attia ABE, Balasundaram G, Moothanchery M, Dinish U, Bi R, Ntziachristos V, Olivo M. A review of clinical photoacoustic imaging: Current and future trends. PHOTOACOUSTICS 2019; 16:100144. [PMID: 31871888 PMCID: PMC6911900 DOI: 10.1016/j.pacs.2019.100144] [Citation(s) in RCA: 383] [Impact Index Per Article: 76.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 07/05/2019] [Accepted: 08/21/2019] [Indexed: 05/02/2023]
Abstract
Photoacoustic imaging (or optoacoustic imaging) is an upcoming biomedical imaging modality availing the benefits of optical resolution and acoustic depth of penetration. With its capacity to offer structural, functional, molecular and kinetic information making use of either endogenous contrast agents like hemoglobin, lipid, melanin and water or a variety of exogenous contrast agents or both, PAI has demonstrated promising potential in a wide range of preclinical and clinical applications. This review provides an overview of the rapidly expanding clinical applications of photoacoustic imaging including breast imaging, dermatologic imaging, vascular imaging, carotid artery imaging, musculoskeletal imaging, gastrointestinal imaging and adipose tissue imaging and the future directives utilizing different configurations of photoacoustic imaging. Particular emphasis is placed on investigations performed on human or human specimens.
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Key Words
- AR-PAM, acoustic resolution-photoacoustic microscopy
- Clinical applications
- DAQ, data acquisition
- FOV, field-of-view
- Hb, deoxy-hemoglobin
- HbO2, oxy-hemoglobin
- LED, light emitting diode
- MAP, maximum amplitude projection
- MEMS, microelectromechanical systems
- MRI, magnetic resonance imaging
- MSOT, multispectral optoacoustic tomography
- OCT, optical coherence tomography
- OR-PAM, optical resolution-photoacoustic microscopy
- Optoacoustic mesoscopy
- Optoacoustic tomography
- PA, photoacoustic
- PAI, photoacoustic imaging
- PAM, photoacoustic microscopy
- PAT, photoacoustic tomography
- Photoacoustic imaging
- Photoacoustic microscopy
- RSOM, raster-scanning optoacoustic mesoscopy
- SBH-PACT, single breath hold photoacoustic computed tomography system
- US, ultrasound
- sO2, saturation
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Affiliation(s)
| | | | - Mohesh Moothanchery
- Laboratory of Bio-optical Imaging, Singapore Bioimaging Consortium, A*STAR, Singapore
| | - U.S. Dinish
- Laboratory of Bio-optical Imaging, Singapore Bioimaging Consortium, A*STAR, Singapore
| | - Renzhe Bi
- Laboratory of Bio-optical Imaging, Singapore Bioimaging Consortium, A*STAR, Singapore
| | - Vasilis Ntziachristos
- Institute for Biological and Medical Imaging, Technische Universität München and Helmholtz Zentrum München, Ingolstädter Landstraße 1, 85764 Neuherberg, Germany
| | - Malini Olivo
- Laboratory of Bio-optical Imaging, Singapore Bioimaging Consortium, A*STAR, Singapore
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Optoacoustic imaging in gastroenterology. TRANSLATIONAL BIOPHOTONICS 2019. [DOI: 10.1002/tbio.201900002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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48
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Liu CH, Abrams ND, Carrick DM, Chander P, Dwyer J, Hamlet MRJ, Kindzelski AL, PrabhuDas M, Tsai SYA, Vedamony MM, Wang C, Tandon P. Imaging inflammation and its resolution in health and disease: current status, clinical needs, challenges, and opportunities. FASEB J 2019; 33:13085-13097. [PMID: 31577913 DOI: 10.1096/fj.201902024] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Inflammation is a normal process in our body; acute inflammation acts to suppress infections and support wound healing. Chronic inflammation likely leads to a wide range of diseases, including cancer. Tools to locate and monitor inflammation are critical for developing effective interventions to arrest inflammation and promote its resolution. To identify current clinical needs, challenges, and opportunities in advancing imaging-based evaluations of inflammatory status in patients, the U.S. National Institutes of Health convened a workshop on imaging inflammation and its resolution in health and disease. Clinical speakers described their needs for image-based capabilities that could help determine the extent of inflammatory conditions in patients to guide treatment planning and undertake necessary interventions. The imaging speakers showcased the state-of-the-art in vivo imaging techniques for detecting inflammation in different disease areas. Many imaging capabilities developed for 1 organ or disease can be adapted for other diseases and organs, whereas some have promise for clinical utility within the next 5-10 yr. Several speakers demonstrated that multimodal imaging measurements integrated with serum-based measures could improve in robustness for clinical utility. All speakers agreed that multiple inflammatory measures should be acquired longitudinally to comprehend the dynamics of unresolved inflammation that leads to disease development. They also agreed that the best strategies for accelerating clinical translation of imaging inflammation capabilities are through integration between new imaging techniques and biofluid-based biomarkers of inflammation as well as already established imaging measurements.-Liu, C. H., Abrams, N. D., Carrick, D. M., Chander, P., Dwyer, J., Hamlet, M. R. J., Kindzelski, A. L., PrabhuDas, M., Tsai, S.-Y. A., Vedamony, M. M., Wang, C., Tandon, P. Imaging inflammation and its resolution in health and disease: current status, clinical needs, challenges, and opportunities.
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Affiliation(s)
| | | | | | - Preethi Chander
- National Institute of Dental and Craniofacial Research, (NIH), Bethesda, Maryland, USA
| | - Johanna Dwyer
- Office of Dietary Supplements, (NIH), Bethesda, Maryland, USA
| | | | | | - Mercy PrabhuDas
- National Institute of Allergy and Infectious Diseases, (NIH), Rockville, Maryland, USA
| | - Shang-Yi Anne Tsai
- National Institute on Drug Abuse, National Institutes of Health (NIH), Rockville, Maryland, USA
| | - Merriline M Vedamony
- National Institute of Allergy and Infectious Diseases, (NIH), Rockville, Maryland, USA
| | - Chiayeng Wang
- National Institute of Dental and Craniofacial Research, (NIH), Bethesda, Maryland, USA
| | - Pushpa Tandon
- National Cancer Institute, (NIH), Rockville, Maryland, USA
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49
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Guo H, Wang Q, Qi W, Sun X, Ke B, Xi L. Assessing the development and treatment of rheumatoid arthritis using multiparametric photoacoustic and ultrasound imaging. JOURNAL OF BIOPHOTONICS 2019; 12:e201900127. [PMID: 31251449 DOI: 10.1002/jbio.201900127] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 05/28/2019] [Accepted: 06/27/2019] [Indexed: 02/05/2023]
Abstract
Rheumatoid arthritis (RA), characterized by polyarthritis, is a chronic, systemic and inflammatory autoimmune disease. In this study, we developed a dual-modality multiparametric photoacoustic and ultrasound imaging technique, and successfully derived multiple parameters such as relative concentration of total hemoglobin (CHbT ), ratio of angiogenesis, joint size and area of synovia to assess the development and treatment of RA. We established a model of adjuvant arthritis using a total number of 15 rats and randomly divided them into three groups: (a) targeted group in which the rats received targeted antirheumatic drugs; (b) nontargeted group in which the rats were treated with nontargeted antirheumatic drugs; (c) control group. We longitudinally monitored the joints of the rats in all three groups for up to 20 days and carried out quantitative analysis to evaluate the development and treatment of RA based on the derived parameters. The results suggest that the proposed dual-modality imaging technique is able to assess the effectiveness of the RA treatment using quantitative hemodynamic and morphological parameters. To show the clinical feasibility of this technique, we performed in vivo joint studies of health volunteers to visualize both structures and inside hemodynamics of the distal interphalangeal joint.
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Affiliation(s)
- Heng Guo
- School of Physics, University of Electronic Science and Technology of China, Chengdu, China.,Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, China
| | - Qin Wang
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Weizhi Qi
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, China
| | - Xun Sun
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Bowen Ke
- Laboratory of Anesthesiology and Critical Care Medicine, Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, China
| | - Lei Xi
- School of Physics, University of Electronic Science and Technology of China, Chengdu, China.,Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, China
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50
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Nguyen HNY, Steenbergen W. Reducing artifacts in photoacoustic imaging by using multi-wavelength excitation and transducer displacement. BIOMEDICAL OPTICS EXPRESS 2019; 10:3124-3138. [PMID: 31467773 PMCID: PMC6706045 DOI: 10.1364/boe.10.003124] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 05/22/2019] [Accepted: 05/27/2019] [Indexed: 05/06/2023]
Abstract
The occurrence of artifacts is a major challenge in photoacoustic imaging. The artifacts negatively affect the quality and reliability of the images. An approach using multi-wavelength excitation has previously been reported for in-plane artifact identification. Yet, out-of-plane artifacts cannot be tackled with this method. Here we propose a new method using ultrasound transducer array displacement. By displacing the ultrasound transducer array axially, we can de-correlate out-of-plane artifacts with in-plane image features and thus remove them. Combining this new method with the previous one allows us to remove potentially completely both in-plane and out-of-plane artifacts in photoacoustic imaging. We experimentally demonstrate this with experiments in phantoms as well as in vivo.
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Affiliation(s)
- Ho Nhu Y. Nguyen
- Biomedical Photonic Imaging Group, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE, Enschede, The Netherlands
| | - Wiendelt Steenbergen
- Biomedical Photonic Imaging Group, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE, Enschede, The Netherlands
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