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Lin K, Shi D, Wang A, Ge J, Cheng D, Yan Y. Noninvasive Monitoring of Early Cardiac Fibrosis in Diabetic Mice by [ 68Ga]Ga-DOTA-FAPI-04 PET/CT Imaging. ACS OMEGA 2024; 9:17195-17203. [PMID: 38645332 PMCID: PMC11024947 DOI: 10.1021/acsomega.3c10061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 03/03/2024] [Accepted: 03/05/2024] [Indexed: 04/23/2024]
Abstract
Cardiac fibrosis represents one of the representative pathological characteristics in the diabetic heart. Active fibroblasts play an essential role in the progression of cardiac fibrosis. The technologies for noninvasive monitoring of activated fibroblasts still have to be investigated. The purpose of this study was to evaluate the feasibility of targeted fibroblast activation protein (FAP) molecular imaging in the early evaluation of diabetic cardiac fibrosis using [68Ga]Ga-DOTA-FAPI-04 PET/CT. PET/CT imaging was conducted in db/db mice and db/m mice at weeks 12 and 24. Diabetic heart injury was determined using echocardiography and serum biomarkers. Additionally, the levels of cardiac fibrosis were also assessed. In our study, conventional diagnostic modalities, including echocardiography and serum biomarkers, failed to monitor early-stage cardiac dysfunction and fibrosis in diabetic mice. Conversely, the results of [68Ga]Ga-DOTA-FAPI-04 PET/CT imaging demonstrated that diabetic mice had increased myocardial uptake of radioactive tracers in both early-stage and late-stage diabetes, consistent with the elevated FAP expression and increased cardiac fibrosis level. Notably, cardiac PET signals exhibited significant correlations with left ventricular ejection fractions, the E/A ratio, and the level of serum TGF-β1, PIIINP, and sST2. The results demonstrated the potential of [68Ga]Ga-DOTA-FAPI-04 PET/CT imaging for visualizing activated fibroblasts and detecting early-stage diabetic heart injury and fibrosis noninvasively. They also demonstrated the clinical superiority of [68Ga]Ga-DOTA-FAPI-04 PET/CT imaging over echocardiography and serum biomarkers in the early monitoring of diabetes-related cardiac dysfunction and fibrosis.
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Affiliation(s)
- Kaibin Lin
- Department
of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Dai Shi
- Department
of Nuclear Medicine, Zhongshan Hospital, Fudan University, Shanghai 200032, China
- Shanghai
Institute of Medical Imaging, Shanghai 200032, China
- Institute
of Nuclear Medicine, Fudan University, Shanghai 200032, China
- Cancer
Prevention and Treatment Center, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Ai Wang
- Department
of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Junbo Ge
- Department
of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Dengfeng Cheng
- Department
of Nuclear Medicine, Zhongshan Hospital, Fudan University, Shanghai 200032, China
- Shanghai
Institute of Medical Imaging, Shanghai 200032, China
- Institute
of Nuclear Medicine, Fudan University, Shanghai 200032, China
- Cancer
Prevention and Treatment Center, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Yan Yan
- Department
of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai 200032, China
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Trujillo-Benítez D, Luna-Gutiérrez M, Aguirre-De Paz JG, Cruz-Nova P, Bravo-Villegas G, Vargas-Ahumada JE, Vallejo-Armenta P, Morales-Avila E, Jiménez-Mancilla N, Oros-Pantoja R, Santos-Cuevas C, Azorín-Vega E, Ocampo-García B, Ferro-Flores G. 68Ga-DOTA-D-Alanine-BoroPro Radiotracer for Imaging of the Fibroblast Activation Protein in Malignant and Non-Malignant Diseases. Pharmaceutics 2024; 16:532. [PMID: 38675193 PMCID: PMC11054143 DOI: 10.3390/pharmaceutics16040532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 01/22/2024] [Accepted: 01/29/2024] [Indexed: 04/28/2024] Open
Abstract
Recently, we reported a new fibroblast activation protein (FAP) inhibitor radiopharmaceutical based on the 99mTc-((R)-1-((6-hydrazinylnicotinoyl)-D-alanyl) pyrrolidin-2-yl) boronic acid (99mTc-HYNIC-D-Alanine-BoroPro)(99mTc-HYNIC-iFAP) structure for tumor microenvironment SPECT imaging. This research aimed to synthesize 68Ga-[2,2',2″,2‴-(2-(4-(2-(5-(((S)-1-((S)-2-boronopyrrolidin-1-yl)-1-oxopropan-2-yl)carbamoyl)pyridin-2-yl)hydrazine-1-carbothioamido)benzyl)-1,4,7,10-tetraazacyclododecane-1,4,7,10-tetrayl)tetraacetic acid] (68Ga-DOTA-D-Alanine-BoroPro)(68Ga-iFAP) as a novel radiotracer for PET imaging and evaluate its usefulness for FAP expression in malignant and non-malignant tissues. The coupling of p-SCN-benzene DOTA with HYNIC-iFAP was used for the chemical synthesis and further labeling with 68Ga. Radiochemical purity was verified by radio-HPLC. The specificity of 68Ga-iFAP was evaluated in HCT116 cells, in which FAP expression was verified by immunofluorescence and Western blot. Biodistribution and biokinetic studies were performed in murine models. 68Ga-iFAP uptake at the myocardial level was assessed in mice with induced infarction. First-in-human images of 68Ga-iFAP in healthy subjects and patients with myocardial infarction, glioblastoma, prostate cancer, and breast cancer were also obtained. DOTA-D-Alanine BoroPro was prepared with a chemical purity of 98% and was characterized by UPLC mass spectroscopy, FT-IR, and UV-vis. The 68Ga-iFAP was obtained with a radiochemical purity of >95%. In vitro and in vivo studies demonstrated 68Ga-iFAP-specific recognition for FAP, rapid renal elimination, and adequate visualization of the glioblastoma, breast tumor, prostate cancer, and myocardial infarction sites. The results of this research justify further dosimetry and clinical trials to establish the specificity and sensitivity of 68Ga-iFAP PET for FAP expression imaging.
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Affiliation(s)
- Diana Trujillo-Benítez
- Department of Radioactive Materials, Instituto Nacional de Investigaciones Nucleares, Ocoyoacac 52750, Mexico; (D.T.-B.); (C.S.-C.)
- Faculty of Chemistry, Universidad Autónoma del Estado de México, Toluca 50180, Mexico
| | - Myrna Luna-Gutiérrez
- Department of Radioactive Materials, Instituto Nacional de Investigaciones Nucleares, Ocoyoacac 52750, Mexico; (D.T.-B.); (C.S.-C.)
| | - José G. Aguirre-De Paz
- Department of Radioactive Materials, Instituto Nacional de Investigaciones Nucleares, Ocoyoacac 52750, Mexico; (D.T.-B.); (C.S.-C.)
- Faculty of Chemistry, Universidad Autónoma del Estado de México, Toluca 50180, Mexico
| | - Pedro Cruz-Nova
- Department of Radioactive Materials, Instituto Nacional de Investigaciones Nucleares, Ocoyoacac 52750, Mexico; (D.T.-B.); (C.S.-C.)
| | | | - Joel E. Vargas-Ahumada
- Nuclear Medicine Department, Instituto Nacional de Cardiología, Mexico City 14000, Mexico
| | - Paola Vallejo-Armenta
- Nuclear Medicine Department, Instituto Nacional de Cancerología, Mexico City 14000, Mexico
| | - Enrique Morales-Avila
- Faculty of Chemistry, Universidad Autónoma del Estado de México, Toluca 50180, Mexico
| | | | | | - Clara Santos-Cuevas
- Department of Radioactive Materials, Instituto Nacional de Investigaciones Nucleares, Ocoyoacac 52750, Mexico; (D.T.-B.); (C.S.-C.)
| | - Erika Azorín-Vega
- Department of Radioactive Materials, Instituto Nacional de Investigaciones Nucleares, Ocoyoacac 52750, Mexico; (D.T.-B.); (C.S.-C.)
| | - Blanca Ocampo-García
- Department of Radioactive Materials, Instituto Nacional de Investigaciones Nucleares, Ocoyoacac 52750, Mexico; (D.T.-B.); (C.S.-C.)
| | - Guillermina Ferro-Flores
- Department of Radioactive Materials, Instituto Nacional de Investigaciones Nucleares, Ocoyoacac 52750, Mexico; (D.T.-B.); (C.S.-C.)
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3
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Telli T, Hosseini A, Settelmeier S, Kersting D, Kessler L, Weber WA, Rassaf T, Herrmann K, Varasteh Z. Imaging of Cardiac Fibrosis: How Far Have We Moved From Extracellular to Cellular? Semin Nucl Med 2024:S0001-2998(24)00025-4. [PMID: 38493001 DOI: 10.1053/j.semnuclmed.2024.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 02/29/2024] [Indexed: 03/18/2024]
Abstract
Cardiovascular disease is the leading cause of morbidity and mortality worldwide. Myocardial fibrosis plays an important role in adverse outcomes such as heart failure and arrhythmias. As the pathological response and degree of scarring, and therefore clinical presentation varies from patient to patient, early detection of fibrosis is crucial for identifying the appropriate treatment approach and forecasting the progression of a disease along with the likelihood of disease-related mortality. Current imaging modalities provides information about either decreased function or extracellular signs of fibrosis. Targeting activated fibroblasts represents a burgeoning approach that could offer insights prior to observable functional alterations, presenting a promising focus for potential anti-fibrotic therapeutic interventions at cellular level. In this article, we provide an overview of imaging cardiac fibrosis and discuss the role of different advanced imaging modalities with the focus on novel non-invasive imaging of activated fibroblasts.
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Affiliation(s)
- Tugce Telli
- Department of Nuclear Medicine, University Hospital Essen, Essen, Germany
| | - Atefeh Hosseini
- Department of Nuclear Medicine, University Hospital Essen, Essen, Germany
| | - Stephan Settelmeier
- Westgerman Heart- and Vascular Center, Department of Cardiology and Vascular Medicine, University Hospital Essen, Essen, Germany
| | - David Kersting
- Department of Nuclear Medicine, University Hospital Essen, Essen, Germany
| | - Lukas Kessler
- Department of Nuclear Medicine, University Hospital Essen, Essen, Germany; Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Essen, Germany
| | - Wolfgang A Weber
- Department of Nuclear Medicine, Klinikum rechts der Isar, Technical University Munich, Munich, Germany
| | - Tienush Rassaf
- Westgerman Heart- and Vascular Center, Department of Cardiology and Vascular Medicine, University Hospital Essen, Essen, Germany
| | - Ken Herrmann
- Department of Nuclear Medicine, University Hospital Essen, Essen, Germany
| | - Zohreh Varasteh
- Department of Nuclear Medicine, University Hospital Essen, Essen, Germany; Department of Nuclear Medicine, Klinikum rechts der Isar, Technical University Munich, Munich, Germany.
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Nakamoto Y, Baba S, Kaida H, Manabe O, Uehara T. Recent topics in fibroblast activation protein inhibitor-PET/CT: clinical and pharmacological aspects. Ann Nucl Med 2024; 38:10-19. [PMID: 37861977 DOI: 10.1007/s12149-023-01873-6] [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: 08/21/2023] [Accepted: 09/25/2023] [Indexed: 10/21/2023]
Abstract
Recently, positron emission tomography (PET) with fibroblast activation protein inhibitor (FAPI) has gained significant attention as an advanced tumor diagnostic imaging tool. FAPI PET has a promising potential owing to its ability to accurately depict most malignant tumors. It has an accuracy that is comparable to or surpassing the diagnostic accuracy of PET using 18F-fluorodeoxyglucose (FDG). Moreover, FAPI PET can identify malignant lesions that may be inconclusive on FDG PET. Beyond its application in neoplastic disorders, there have been encouraging reports suggesting the utility of FAPI PET in non-neoplastic conditions such as respiratory or cardiac diseases. This article aimed to provide a comprehensive overview of the recently published articles investigating FAPI and discuss its clinical utility with an emphasis on its application in tumor diagnostics. Numerous radiopharmaceutical FAPIs, including 18F- and 68Ga-labeled compounds, have been developed, and they offer various advantages and applications. With the progress in the FAPI PET synthesis to enhance accumulation and retention in pathological lesions, future studies are expected to provide valuable data on its therapeutic efficacy.
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Affiliation(s)
- Yuji Nakamoto
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoinkawahara-cho, Sakyo-ku, Kyoto, 606-8507, Japan.
| | - Shingo Baba
- Department of Health Sciences, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, Japan
| | - Hayato Kaida
- Department of Radiology, Kindai University Faculty of Medicine, Ohnohigashi 377-2, Osakasayama City, Osaka, 589-8511, Japan
| | - Osamu Manabe
- Department of Radiology, Jichi Medical University Saitama Medical Center, 1-847 Amanuma-cho, Omiya-ku, Saitama, 330-8503, Japan
| | - Tomoya Uehara
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8675, Japan
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Kersting D, Mavroeidi IA, Settelmeier S, Seifert R, Schuler M, Herrmann K, Rassaf T, Rischpler C. Molecular Imaging Biomarkers in Cardiooncology: A View on Established Technologies and Future Perspectives. J Nucl Med 2023; 64:29S-38S. [PMID: 37918843 DOI: 10.2967/jnumed.122.264868] [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: 02/16/2023] [Revised: 09/05/2023] [Indexed: 11/04/2023] Open
Abstract
Novel therapeutic options have significantly improved survival and long-term outcomes in many cancer entities. Unfortunately, this improvement in outcome is often accompanied by new and increasingly relevant therapy-related cardiovascular toxicity. In this context, cardiooncology has emerged as a new field of interdisciplinary individual patient care. Important tasks are pretherapeutic risk stratification and early detection and treatment of cardiotoxicity, which comprises cardiac damage in relation to cardiovascular comorbidities, the tumor disease, and cancer treatment. Clinical manifestations can cover a broad spectrum, ranging from subtle and usually asymptomatic abnormalities to serious acute or chronic complications. Typical manifestations include acute and chronic heart failure, myo- and pericarditis, arrythmias, ischemia, and endothelial damage. They can be related to almost all current cancer treatments, including cytotoxic chemotherapy, targeted therapy, immunotherapy, hormonal therapy, and radiotherapy. Molecular imaging biomarkers can aid in pretherapeutic cardiooncologic assessment for primary prevention and personalized surveillance, detection, and differential diagnosis of cardiotoxic complications. Potential advantages over conventional diagnostics are the higher detection sensitivity for subtle changes in cardiac homeostasis, higher reproducibility, and better observer independence. Hybrid imaging with highly sensitive PET/MRI may be particularly suited for early diagnosis. Important technologies that are encouraged in current multidisciplinary guidelines are equilibrium radionuclide angiography for evaluation of ventricular function and chamber morphology, as well as myocardial perfusion imaging for additional detection of ischemia. Novel modalities that may detect even earlier signs of cardiotoxicity comprise 123I-metaiodobenzylguanidine SPECT to visualize sympathetic innervation, 18F-FDG and somatostatin receptor (68Ga-DOTATOC/DOTATATE) PET to indicate a metabolic shift and inflammation, and 68Ga-fibroblast activation protein inhibitor PET to monitor cardiac remodeling. In addition, PET imaging of mitochondrial function has recently been introduced in preclinical models and will potentially broaden the field of application through higher sensitivity and specificity and by enabling higher individualization of diagnostic concepts.
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Affiliation(s)
- David Kersting
- Department of Nuclear Medicine, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen, Germany;
- German Cancer Consortium, Partner Site University Hospital Essen, Essen, Germany
| | - Ilektra-Antonia Mavroeidi
- German Cancer Consortium, Partner Site University Hospital Essen, Essen, Germany
- Department of Medical Oncology, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen, Germany; and
| | - Stephan Settelmeier
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center Essen, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Robert Seifert
- Department of Nuclear Medicine, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
- German Cancer Consortium, Partner Site University Hospital Essen, Essen, Germany
| | - Martin Schuler
- German Cancer Consortium, Partner Site University Hospital Essen, Essen, Germany
- Department of Medical Oncology, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen, Germany; and
| | - Ken Herrmann
- Department of Nuclear Medicine, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
- German Cancer Consortium, Partner Site University Hospital Essen, Essen, Germany
| | - Tienush Rassaf
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center Essen, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Christoph Rischpler
- Department of Nuclear Medicine, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
- German Cancer Consortium, Partner Site University Hospital Essen, Essen, Germany
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Cui Y, Wang Y, Wang S, Du B, Li X, Li Y. Highlighting Fibroblasts Activation in Fibrosis: The State-of-The-Art Fibroblast Activation Protein Inhibitor PET Imaging in Cardiovascular Diseases. J Clin Med 2023; 12:6033. [PMID: 37762974 PMCID: PMC10531835 DOI: 10.3390/jcm12186033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 09/13/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023] Open
Abstract
Fibrosis is a common healing process that occurs during stress and injury in cardiovascular diseases. The evolution of fibrosis is associated with cardiovascular disease states and causes adverse effects. Fibroblast activation is responsible for the formation and progression of fibrosis. The incipient detection of activated fibroblasts is important for patient management and prognosis. Fibroblast activation protein (FAP), a membrane-bound serine protease, is almost specifically expressed in activated fibroblasts. The development of targeted FAP-inhibitor (FAPI) positron emission tomography (PET) imaging enabled the visualisation of FAP, that is, incipient fibrosis. Recently, research on FAPI PET imaging in cardiovascular diseases increased and is highly sought. Hence, we comprehensively reviewed the application of FAPI PET imaging in cardiovascular diseases based on the state-of-the-art published research. These studies provided some insights into the value of FAPI PET imaging in the early detection of cardiovascular fibrosis, risk stratification, response evaluation, and prediction of the evolution of left ventricular function. Future studies should be conducted with larger populations and multicentre patterns, especially for response evaluation and outcome prediction.
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Affiliation(s)
| | | | | | | | - Xuena Li
- Department of Nuclear Medicine, The First Hospital of China Medical University, Shenyang 110001, China; (Y.C.); (Y.W.); (S.W.); (B.D.)
| | - Yaming Li
- Department of Nuclear Medicine, The First Hospital of China Medical University, Shenyang 110001, China; (Y.C.); (Y.W.); (S.W.); (B.D.)
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Rezaei S, Gharapapagh E, Dabiri S, Heidari P, Aghanejad A. Theranostics in targeting fibroblast activation protein bearing cells: Progress and challenges. Life Sci 2023; 329:121970. [PMID: 37481033 PMCID: PMC10773987 DOI: 10.1016/j.lfs.2023.121970] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 07/03/2023] [Accepted: 07/19/2023] [Indexed: 07/24/2023]
Abstract
Cancer cells are surrounded by a complex and highly dynamic tumor microenvironment (TME). Cancer-associated fibroblasts (CAFs), a critical component of TME, contribute to cancer cell proliferation as well as metastatic spread. CAFs express a variety of biomarkers, which can be targeted for detection and therapy. Most importantly, CAFs express high levels of fibroblast activation protein (FAP) which contributes to progression of cancer, invasion, metastasis, migration, immunosuppression, and drug resistance. As a consequence, FAP is an attractive theranostic target. In this review, we discuss the latest advancement in targeting FAP in oncology using theranostic biomarkers and imaging modalities such as single-photon emission computed tomography (SPECT), positron emission tomography (PET), computed tomography (CT), fluorescence imaging, and magnetic resonance imaging (MRI).
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Affiliation(s)
- Sahar Rezaei
- Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Nuclear Medicine, Faculty of Medicine, Imam Reza General Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Esmaeil Gharapapagh
- Department of Nuclear Medicine, Faculty of Medicine, Imam Reza General Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Shahram Dabiri
- Department of Nuclear Medicine, Faculty of Medicine, Imam Reza General Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Pedram Heidari
- Departments of Radiology, Massachusetts General Hospital, Boston, United States
| | - Ayuob Aghanejad
- Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Nuclear Medicine, Faculty of Medicine, Imam Reza General Hospital, Tabriz University of Medical Sciences, Tabriz, Iran.
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Caobelli F, Nappi C. A spotlight on fibroblast-activated protein inhibitor (FAPi) cardiovascular imaging. Clin Transl Imaging 2023. [DOI: 10.1007/s40336-023-00548-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
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Calvieri C, Riva A, Sturla F, Dominici L, Conia L, Gaudio C, Miraldi F, Secchi F, Galea N. Left Ventricular Adverse Remodeling in Ischemic Heart Disease: Emerging Cardiac Magnetic Resonance Imaging Biomarkers. J Clin Med 2023; 12:jcm12010334. [PMID: 36615133 PMCID: PMC9820966 DOI: 10.3390/jcm12010334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 12/10/2022] [Accepted: 12/29/2022] [Indexed: 01/03/2023] Open
Abstract
Post-ischemic left ventricular (LV) remodeling is a biologically complex process involving myocardial structure, LV shape, and function, beginning early after myocardial infarction (MI) and lasting until 1 year. Adverse remodeling is a post-MI maladaptive process that has been associated with long-term poor clinical outcomes. Cardiac Magnetic Resonance (CMR) is the best tool to define adverse remodeling because of its ability to accurately measure LV end-diastolic and end-systolic volumes and their variation over time and to characterize the underlying myocardial changes. Therefore, CMR is the gold standard method to assess in vivo myocardial infarction extension and to detect the presence of microvascular obstruction and intramyocardial hemorrhage, both associated with adverse remodeling. In recent times, new CMR quantitative biomarkers emerged as predictive of post-ischemic adverse remodeling, such as T1 mapping, myocardial strain, and 4D flow. Additionally, CMR T1 mapping imaging may depict infarcted tissue and assess diffuse myocardial fibrosis by using surrogate markers such as extracellular volume fraction, which may predict functional recovery or risk stratification of remodeling. Finally, there is emerging evidence supporting the utility of intracavitary blood flow kinetic energy and hemodynamic features assessed by the 4D flow CMR technique as early predictors of remodeling.
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Affiliation(s)
- Camilla Calvieri
- Department of Clinical, Internal, Anesthesiologic and Cardiovascular Sciences, Sapienza University of Rome, 00100 Rome, Italy
- Correspondence:
| | - Alessandra Riva
- Department of Electronics, Information and Bioengineering, Politecnico di Milano, 20129 Milan, Italy
- 3D and Computer Simulation Laboratory, IRCCS Policlinico San Donato, 20097 Milan, Italy
| | - Francesco Sturla
- Department of Electronics, Information and Bioengineering, Politecnico di Milano, 20129 Milan, Italy
- 3D and Computer Simulation Laboratory, IRCCS Policlinico San Donato, 20097 Milan, Italy
| | - Lorenzo Dominici
- Department of Radiological, Oncological and Pathological Sciences, Sapienza University of Rome, 00100 Rome, Italy
| | - Luca Conia
- Department of Radiological, Oncological and Pathological Sciences, Sapienza University of Rome, 00100 Rome, Italy
| | - Carlo Gaudio
- Department of Clinical, Internal, Anesthesiologic and Cardiovascular Sciences, Sapienza University of Rome, 00100 Rome, Italy
| | - Fabio Miraldi
- Department of Clinical, Internal, Anesthesiologic and Cardiovascular Sciences, Sapienza University of Rome, 00100 Rome, Italy
| | - Francesco Secchi
- Unit of Radiology, IRCCS Policlinico San Donato, 20097 Milan, Italy
- Department of Biomedical Sciences for Health, Università Degli Studi di Milano, 20129 Milan, Italy
| | - Nicola Galea
- Department of Radiological, Oncological and Pathological Sciences, Sapienza University of Rome, 00100 Rome, Italy
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