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Wiyono AV, Ardinal AP. Revolutionizing Cardiovascular Frontiers: A Dive Into Cutting-Edge Innovations in Coronary Stent Technology. Cardiol Rev 2024:00045415-990000000-00255. [PMID: 38709038 DOI: 10.1097/crd.0000000000000705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/07/2024]
Abstract
Plain balloon angioplasty was the initial method used to enlarge the intracoronary lumen size. However, it was linked to acute coronary closure due to early vessel recoil. This led to the invention of coronary stents, which offer mechanical support to open and maintain the vascular lumen. Nevertheless, the metallic scaffold introduced other issues, such as thrombosis and restenosis caused by neointimal proliferation. To address these concerns, polymers were employed to cover the scaffold, acting as drug reservoirs and regulators for controlled drug release. The use of polymers prevents direct contact between blood and metallic scaffolds. Drugs within the stent were incorporated to inhibit proliferation and expedite endothelialization in the healing process. Despite these advancements, adverse effects still arise due to the inflammatory reaction caused by the polymer material. Consequently, resorbable polymers and scaffolds were later discovered, but they have limitations and are not universally applicable. Various scaffold designs, thicknesses, materials, polymer components, and drugs have their own advantages and complications. Each stent generation has been designed to address the shortcomings of the preceding generation, yet new challenges continue to emerge. Conflicting data regarding the long-term safety and efficacy of coronary stents, especially in the extended follow-up, further complicates the assessment.
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Affiliation(s)
- Alice Valeria Wiyono
- Faculty of Life Sciences & Medicine, King's College London, School of Cardiovascular and Metabolic Medicine, London, United Kingdom
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2
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Frosecchi M. Horizontal and Vertical Defect Management with a Novel Degradable Pure Magnesium Guided Bone Regeneration (GBR) Membrane-A Clinical Case. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:2009. [PMID: 38004058 PMCID: PMC10672872 DOI: 10.3390/medicina59112009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/03/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023]
Abstract
Background and objectives: In guided bone regeneration (GBR), large defects comprising both horizontal and vertical components usually require additional mechanical support to stabilize the augmentation and preserve the bone volume. This additional support is usually attained by using non-resorbable materials. A recently developed magnesium membrane presents the possibility of providing mechanical support whilst being completely resorbable. The aim of this case report was to describe the application and outcome of the magnesium membrane in combination with a collagen pericardium membrane for GBR. Materials and methods: A 74 year old, in an otherwise good general health condition, was presented with stage 2 grade A periodontitis and an impacted canine. After extraction of the impacted canine, a defect was created with both vertical and horizontal components. The defect was augmented using the magnesium membrane to create a supportive arch to the underlying bone graft and a collagen pericardium membrane was placed on top to aid with the soft tissue closure. Results: Upon reentry at 8 months, complete resorption of the magnesium devices was confirmed as there were no visible remnants remaining. A successful augmentation outcome had been achieved as the magnesium membrane in combination with the collagen membrane had maintained the augmented bone well. Two dental implants could be successfully placed in the healed augmentation. Conclusions: In this case, the magnesium membrane in combination with a collagen pericardium membrane presented a potentially viable alternative treatment to titanium meshes or titanium-reinforced membranes for the augmentation of a defect with both horizontal and vertical components that is completely resorbable. It was demonstrated that it is possible to attain a good quality and quantity of bone using a resorbable system that has been completely resorbed by the time of reentry.
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Affiliation(s)
- Massimo Frosecchi
- Department of Surgical and Diagnostic Sciences (DISC), University of Genoa, 16132 Genoa, Italy
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Shunmugasamy VC, AbdelGawad M, Sohail MU, Ibrahim T, Khan T, Seers TD, Mansoor B. In vitro and in vivo study on fine-grained Mg-Zn-RE-Zr alloy as a biodegradeable orthopedic implant produced by friction stir processing. Bioact Mater 2023; 28:448-466. [PMID: 37408797 PMCID: PMC10319224 DOI: 10.1016/j.bioactmat.2023.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/31/2023] [Accepted: 06/16/2023] [Indexed: 07/07/2023] Open
Abstract
Magnesium alloys containing biocompatible components show tremendous promise for applications as temporary biomedical devices. However, to ensure their safe use as biodegradeable implants, it is essential to control their corrosion rates. In concentrated Mg alloys, a microgalvanic coupling between the α-Mg matrix and secondary precipitates exists which results in increased corrosion rate. To address this challenge, we engineered the microstructure of a biodegradable Mg-Zn-RE-Zr alloy by friction stir processing (FSP), improving its corrosion resistance and mechanical properties simultaneously. The FS processed alloy with refined grains and broken and uniformly distributed secondary precipitates showed a relatively uniform corrosion morphology accompanied with the formation of a stable passive layer on the alloy surface. In vivo corrosion evaluation of the processed alloy in a small animal model showed that the material was well-tolerated with no signs of inflammation or harmful by-products. Remarkably, the processed alloy supported bone until it healed till eight weeks with a low in vivo corrosion rate of 0.7 mm/year. Moreover, we analyzed blood and histology of the critical organs such as liver and kidney, which showed normal functionality and consistent ion and enzyme levels, throughout the 12-week study period. These results demonstrate that the processed Mg-Zn-RE-Zr alloy offers promising potential for osseointegration in bone tissue healing while also exhibiting controlled biodegradability due to its engineered microstructure. The results from the present study will have profound benefit for bone fracture management, particularly in pediatric and elderly patients.
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Affiliation(s)
| | - Marwa AbdelGawad
- Mechanical Engineering Program, Texas A&M University at Qatar, Education City, Doha, Qatar
- Department of Mechanical Engineering, Texas A&M University, 3123 TAMU, College Station, TX 77843, USA
| | | | - Talal Ibrahim
- Department of Surgery, Division of Orthopedic Surgery, Sidra Medicine, Doha, Qatar
- Clinical Orthopedic Surgery, Weill Cornell Medicine, Education City, Doha, Qatar
| | - Talha Khan
- Petroleum Engineering Program, Texas A&M University at Qatar, Education City, Doha, Qatar
| | - Thomas Daniel Seers
- Petroleum Engineering Program, Texas A&M University at Qatar, Education City, Doha, Qatar
| | - Bilal Mansoor
- Mechanical Engineering Program, Texas A&M University at Qatar, Education City, Doha, Qatar
- Department of Mechanical Engineering, Texas A&M University, 3123 TAMU, College Station, TX 77843, USA
- Department of Materials Science and Engineering, Texas A&M University, 3003 TAMU, College Station, TX 77843, USA
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Musumeci G, Quadri G. Bioresorbable scaffolds: Still alive in low-risk coronary artery disease. Catheter Cardiovasc Interv 2023; 101:973-974. [PMID: 36891908 DOI: 10.1002/ccd.30591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 01/28/2023] [Accepted: 01/31/2023] [Indexed: 03/10/2023]
Affiliation(s)
- Giuseppe Musumeci
- Cardiology Division, Azienda Ospedaliera Ordine Mauriziano Umberto I, Turin, Italy
| | - Giorgio Quadri
- Cardiology Division, Azienda Ospedaliera Ordine Mauriziano Umberto I, Turin, Italy
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Chaus A, Uretsky BF. Bioresorbable Vascular Scaffolds: a Dissolving Dream? Cardiovasc Drugs Ther 2023; 37:1-3. [PMID: 36374359 DOI: 10.1007/s10557-022-07401-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/26/2022] [Indexed: 11/16/2022]
Affiliation(s)
- Adib Chaus
- New York University Langone Health, New York, NY, 10016, USA
| | - Barry F Uretsky
- Central Arkansas Veterans Health System, 4300 West Seventh Street, Little Rock, AR, 72205, USA.
- University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA.
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6
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Seguchi M, Aytekin A, Lenz T, Nicol P, Alvarez-Covarrubias HA, Xhepa E, Klosterman GR, Beele A, Sabic E, Utsch L, Alyaqoob A, Joner M. Challenges of the newer generation of resorbable magnesium scaffolds: Lessons from failure mechanisms of the past generation. J Cardiol 2023; 81:179-188. [PMID: 36122642 DOI: 10.1016/j.jjcc.2022.09.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/14/2022] [Accepted: 08/01/2022] [Indexed: 11/29/2022]
Abstract
Bioresorbable scaffolds (BRS) were developed to overcome the obstacles of metallic stents, mostly related to sustained presence of metallic foreign body in the coronary vessel. Following earlier success of single-arm BRS studies, randomized controlled trials of Absorb bioresorbable vascular scaffold (Abbott Vascular, Santa Clara, CA, USA) showed poor long-term clinical outcomes, particularly in terms of scaffold thrombosis. BRS made from magnesium alloy provide a promising alternative in terms of radial force, strut thickness and, potentially lower thrombogenicity. A recent clinical study demonstrated that magnesium-based BRS seems to be promising with regards to the risk of scaffold thrombosis. In this review, our aim is to describe the issues that prevented Absorb BVS from achieving favorable outcomes, provide current status of existing BRS technologies and the challenges that newer generation BRSs need to overcome, and the results of clinical studies for commercially available magnesium-based BRS, which remain the only BRS actively studied in clinical practice.
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Affiliation(s)
- Masaru Seguchi
- Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München, Technical University Munich, Munich, Germany.
| | - Alp Aytekin
- Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München, Technical University Munich, Munich, Germany
| | - Tobias Lenz
- Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München, Technical University Munich, Munich, Germany
| | - Philipp Nicol
- Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München, Technical University Munich, Munich, Germany
| | - Hector A Alvarez-Covarrubias
- Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München, Technical University Munich, Munich, Germany; Hospital de Cardiología, Centro Médico Nacional Siglo XXI, IMMS, Ciudad de México, México
| | - Erion Xhepa
- Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München, Technical University Munich, Munich, Germany
| | - Grace R Klosterman
- Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München, Technical University Munich, Munich, Germany
| | - Alicia Beele
- Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München, Technical University Munich, Munich, Germany
| | - Emina Sabic
- Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München, Technical University Munich, Munich, Germany
| | - Léa Utsch
- Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München, Technical University Munich, Munich, Germany
| | - Aseel Alyaqoob
- Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München, Technical University Munich, Munich, Germany
| | - Michael Joner
- Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München, Technical University Munich, Munich, Germany; Deutsches Zentrum für Herz- und Kreislauf-Forschung (DZHK) e.V. (German Center for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany
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Haddad RN, Adel Hassan A, Al Soufi M, Kasem M. A word of caution: Early failure of Magmaris® bioresorbable stent after pulmonary artery stenting. Catheter Cardiovasc Interv 2023; 101:131-134. [PMID: 36413609 DOI: 10.1002/ccd.30487] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 10/31/2022] [Accepted: 11/04/2022] [Indexed: 11/23/2022]
Abstract
Bioresorbable scaffolds (BRS) have been advocated as the fourth revolution in interventional cardiology medical devices with promising technology to improve the treatment of coronary artery disease with an event-free future. We describe the first reported use and early collapse of the Magmaris® Resorbable Magnesium Scaffold (RMS) stent (BIOTRONIK AG, Switzerland) to relieve left pulmonary artery severe stenosis in a newborn after the Norwood procedure. The stent collapse was detected 2 weeks after implantation and urgently treated with a balloon-expandable stent. This complication raises the alarm about the need to keep implanted RMS under scrutiny. The possibility of faster scaffold resorption in small babies or lack of sufficient radial force of RMS to resist acute vessel recoil has led to ineffective relief of branch pulmonary artery stenosis and failure to enable a safe short-term bridge to Stage II palliation.
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Affiliation(s)
- Raymond N Haddad
- Department of Pediatric Cardiology, Hotel Dieu de France University Medical Center, Saint Joseph University, Beirut, Lebanon
| | - Ahmed Adel Hassan
- Department of Pediatric Cardiology, Heart Centre of Excellence, Al Jalila Children's Speciality Hospital, Dubai, United Arab Emirates
| | - Mahmoud Al Soufi
- Department of Pediatric Cardiology, Heart Centre of Excellence, Al Jalila Children's Speciality Hospital, Dubai, United Arab Emirates
| | - Mohamed Kasem
- Department of Pediatric Cardiology, Heart Centre of Excellence, Al Jalila Children's Speciality Hospital, Dubai, United Arab Emirates
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Zong J, He Q, Liu Y, Qiu M, Wu J, Hu B. Advances in the development of biodegradable coronary stents: A translational perspective. Mater Today Bio 2022; 16:100368. [PMID: 35937578 PMCID: PMC9352968 DOI: 10.1016/j.mtbio.2022.100368] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 06/25/2022] [Accepted: 07/13/2022] [Indexed: 11/17/2022] Open
Abstract
Implantation of cardiovascular stents is an important therapeutic method to treat coronary artery diseases. Bare-metal and drug-eluting stents show promising clinical outcomes, however, their permanent presence may create complications. In recent years, numerous preclinical and clinical trials have evaluated the properties of bioresorbable stents, including polymer and magnesium-based stents. Three-dimensional (3D) printed-shape-memory polymeric materials enable the self-deployment of stents and provide a novel approach for individualized treatment. Novel bioresorbable metallic stents such as iron- and zinc-based stents have also been investigated and refined. However, the development of novel bioresorbable stents accompanied by clinical translation remains time-consuming and challenging. This review comprehensively summarizes the development of bioresorbable stents based on their preclinical/clinical trials and highlights translational research as well as novel technologies for stents (e.g., bioresorbable electronic stents integrated with biosensors). These findings are expected to inspire the design of novel stents and optimization approaches to improve the efficacy of treatments for cardiovascular diseases. Bioresorbable stents can overcome the limitations of non-degradable stents. 3D printing of shape-memory polymeric stents can lead to better clinical outcomes. Advances in Mg-, Fe- and Zn-based stents from a translational perspective. Electronic stents integrated with biosensors can covey stent status in real time. Development in the assessment of stent performance in vivo.
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Affiliation(s)
- Jiabin Zong
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Quanwei He
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yuxiao Liu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Min Qiu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jiehong Wu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Corresponding author.
| | - Bo Hu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Corresponding author.
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9
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Bioresorbable vascular metallic scaffolds: Current status and research trends. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2022. [DOI: 10.1016/j.cobme.2022.100411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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10
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Shang T, Wang K, Tang S, Shen Y, Zhou L, Zhang L, Zhao Y, Li X, Cai L, Wang J. The Flow-Induced Degradation and Vascular Cellular Response Study of Magnesium-Based Materials. Front Bioeng Biotechnol 2022; 10:940172. [PMID: 35875490 PMCID: PMC9301134 DOI: 10.3389/fbioe.2022.940172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 05/23/2022] [Indexed: 11/24/2022] Open
Abstract
Magnesium (Mg)-based materials are considered as potential materials for biodegradable vascular stents, and some Mg-based stents have obtained regulatory approval. However, the development and application of Mg-based stents are still restricted by the rapid degradation rate of Mg and its alloys. In order to screen out the desirable Mg-based materials for stents, the degradation behavior still needs further systematic study, especially the degradation behavior under the action of near-physiological fluid. Currently, the commonly used Mg-based vascular stent materials include pure Mg, AZ31, and WE43. In this study, we systematically evaluated their corrosion behaviors in a dynamic environment and studied the effect of their degradation products on the behavior of vascular cells. The results revealed that the corrosion rate of different Mg-based materials was related to the composition of the elements. The dynamic environment accelerated the corrosion of Mg-based materials. All the same, AZ31 still shows good corrosion resistance. The effect of corrosive products on vascular cells was beneficial to re-endothelialization and inhibition of smooth muscle cell proliferation at the implantation site of vascular stent materials.
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Ashammakhi N, GhavamiNejad A, Tutar R, Fricker A, Roy I, Chatzistavrou X, Hoque Apu E, Nguyen KL, Ahsan T, Pountos I, Caterson EJ. Highlights on Advancing Frontiers in Tissue Engineering. TISSUE ENGINEERING. PART B, REVIEWS 2022; 28:633-664. [PMID: 34210148 PMCID: PMC9242713 DOI: 10.1089/ten.teb.2021.0012] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 07/15/2021] [Indexed: 01/05/2023]
Abstract
The field of tissue engineering continues to advance, sometimes in exponential leaps forward, but also sometimes at a rate that does not fulfill the promise that the field imagined a few decades ago. This review is in part a catalog of success in an effort to inform the process of innovation. Tissue engineering has recruited new technologies and developed new methods for engineering tissue constructs that can be used to mitigate or model disease states for study. Key to this antecedent statement is that the scientific effort must be anchored in the needs of a disease state and be working toward a functional product in regenerative medicine. It is this focus on the wildly important ideas coupled with partnered research efforts within both academia and industry that have shown most translational potential. The field continues to thrive and among the most important recent developments are the use of three-dimensional bioprinting, organ-on-a-chip, and induced pluripotent stem cell technologies that warrant special attention. Developments in the aforementioned areas as well as future directions are highlighted in this article. Although several early efforts have not come to fruition, there are good examples of commercial profitability that merit continued investment in tissue engineering. Impact statement Tissue engineering led to the development of new methods for regenerative medicine and disease models. Among the most important recent developments in tissue engineering are the use of three-dimensional bioprinting, organ-on-a-chip, and induced pluripotent stem cell technologies. These technologies and an understanding of them will have impact on the success of tissue engineering and its translation to regenerative medicine. Continued investment in tissue engineering will yield products and therapeutics, with both commercial importance and simultaneous disease mitigation.
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Affiliation(s)
- Nureddin Ashammakhi
- Department of Bioengineering, Henry Samueli School of Engineering, University of California, Los Angeles, California, USA
- Department of Biomedical Engineering, College of Engineering, Michigan State University, Michigan, USA
| | - Amin GhavamiNejad
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, Canada
| | - Rumeysa Tutar
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Annabelle Fricker
- Department of Materials Science and Engineering, Faculty of Engineering, University of Sheffield, Sheffield, United Kingdom
| | - Ipsita Roy
- Department of Materials Science and Engineering, Faculty of Engineering, University of Sheffield, Sheffield, United Kingdom
- Faculty of Medicine, National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Xanthippi Chatzistavrou
- Department of Chemical Engineering and Material Science, College of Engineering, Michigan State University, East Lansing, Michigan, USA
| | - Ehsanul Hoque Apu
- Department of Bioengineering, Henry Samueli School of Engineering, University of California, Los Angeles, California, USA
| | - Kim-Lien Nguyen
- Department of Radiological Sciences, David Geffen School of Medicine, University of California, Los Angeles, California, USA
- Division of Cardiology, David Geffen School of Medicine, University of California, Los Angeles, and VA Greater Los Angeles Healthcare System, Los Angeles, California, USA
| | - Taby Ahsan
- RoosterBio, Inc., Frederick, Maryland, USA
| | - Ippokratis Pountos
- Academic Department of Trauma and Orthopaedics, University of Leeds, Leeds, United Kingdom
| | - Edward J. Caterson
- Division of Plastic Surgery, Department of Surgery, Nemours/Alfred I. du Pont Hospital for Children, Wilmington, Delaware, USA
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Bossard M, Madanchi M, Avdijaj D, Attinger-Toller A, Cioffi GM, Seiler T, Tersalvi G, Kobza R, Schüpfer G, Cuculi F. Long-Term Outcomes After Implantation of Magnesium-Based Bioresorbable Scaffolds—Insights From an All-Comer Registry. Front Cardiovasc Med 2022; 9:856930. [PMID: 35498044 PMCID: PMC9046914 DOI: 10.3389/fcvm.2022.856930] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 03/08/2022] [Indexed: 12/18/2022] Open
Abstract
BackgroundThe magnesium-based sirolimus-eluting bioresorbable scaffold (Mg-BRS) Magmaris™ showed promising clinical outcomes, including low rates of both the target lesion failure (TLF) and scaffold thrombosis (ScT), in selected study patients. However, insights regarding long-term outcomes (>2 years) in all-comer populations remain scarce.MethodsWe analyzed data from a single-center registry, including patients with acute coronary syndrome (ACS) and chronic coronary syndrome (CCS), who had undergone percutaneous coronary intervention (PCI) using the Mg-BRS. The primary outcome comprised the device-oriented composite endpoint (DoCE) representing a hierarchical composite of cardiac death, ScT, target vessel myocardial infarction (TV-MI), and clinically driven target lesion revascularization (TLR) up to 5 years.ResultsIn total, 84 patients [mean age 62 ± 11 years and 63 (75%) men] were treated with the Mg-BRS devices between June 2016 and March 2017. Overall, 101 lesions had successfully been treated with the Mg-BRS devices using 1.2 ± 0.4 devices per lesion. Pre- and postdilatation using dedicated devices had been performed in 101 (100%) and 98 (97%) of all the cases, respectively. After a median follow-up time of 62 (61–64) months, 14 (18%) patients had experienced DoCEs, whereas ScT was encountered in 4 (4.9%) patients [early ScTs (<30 days) in three cases and two fatal cases]. In 4 (29%) of DoCE cases, optical coherence tomography confirmed the Mg-BRS collapse and uncontrolled dismantling.ConclusionIn contradiction to earlier studies, we encountered a relatively high rate of DoCEs in an all-comer cohort treated with the Mg-BRS. We even observed scaffold collapse and uncontrolled dismantling. This implicates that this metal-based BRS requires further investigation and may only be used in highly selected cases.
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Affiliation(s)
- Matthias Bossard
- Cardiology Division, Heart Center, Luzerner Kantonsspital, Luzern, Switzerland
- *Correspondence: Matthias Bossard
| | - Mehdi Madanchi
- Cardiology Division, Heart Center, Luzerner Kantonsspital, Luzern, Switzerland
| | - Dardan Avdijaj
- Cardiology Division, Heart Center, Luzerner Kantonsspital, Luzern, Switzerland
- Faculty of Medicine, University of Zurich, Luzern, Switzerland
| | | | | | - Thomas Seiler
- Cardiology Division, Heart Center, Luzerner Kantonsspital, Luzern, Switzerland
| | - Gregorio Tersalvi
- Cardiology Division, Heart Center, Luzerner Kantonsspital, Luzern, Switzerland
| | - Richard Kobza
- Cardiology Division, Heart Center, Luzerner Kantonsspital, Luzern, Switzerland
| | - Guido Schüpfer
- Department of Anaestesiology, Luzerner Kantonsspital, Luzern, Switzerland
| | - Florim Cuculi
- Cardiology Division, Heart Center, Luzerner Kantonsspital, Luzern, Switzerland
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13
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Chiastra C, Mazzi V, Lodi Rizzini M, Calò K, Corti A, Acquasanta A, De Nisco G, Belliggiano D, Cerrato E, Gallo D, Morbiducci U. Coronary Artery Stenting Affects Wall Shear Stress Topological Skeleton. J Biomech Eng 2022; 144:1131202. [PMID: 35015058 DOI: 10.1115/1.4053503] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Indexed: 01/09/2023]
Abstract
Despite the important advancements in the stent technology for the treatment of diseased coronary arteries, major complications still affect the post-operative long-term outcome. The stent-induced flow disturbances, and especially the altered wall shear stress (WSS) profile at the strut level, play an important role in the pathophysiological mechanisms leading to stent thrombosis (ST) and in-stent restenosis (ISR). In this context, the analysis of the WSS topological skeleton is gaining more and more interest by extending the current understanding of the association between local hemodynamics and vascular diseases. The present study aims to analyze the impact that a deployed coronary stent has on the WSS topological skeleton. Computational fluid dynamics simulations were performed in three stented human coronary artery geometries reconstructed from clinical images. The selected cases presented stents with different designs (i.e., two contemporary drug eluting stents and one bioresorbable scaffold) and included regions with stent malapposition or overlapping. A recently proposed Eulerian-based approach was applied to analyze the WSS topological skeleton features. The results highlighted that the presence of single or multiple stents within a coronary artery markedly impacts the WSS topological skeleton. In particular, repetitive patterns of WSS divergence were observed at the luminal surface, highlighting a WSS contraction action proximal to the struts and a WSS expansion action distal to the struts. This WSS action pattern was independent from the stent design. In conclusions, these findings could contribute to a deeper understanding of the hemodynamic-driven processes underlying ST and ISR.
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Affiliation(s)
- Claudio Chiastra
- PoliToBIOMed Lab, Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
| | - Valentina Mazzi
- PoliToBIOMed Lab, Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
| | - Maurizio Lodi Rizzini
- PoliToBIOMed Lab, Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
| | - Karol Calò
- PoliToBIOMed Lab, Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
| | - Anna Corti
- Laboratory of Biological Structure Mechanics (LaBS), Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Milan, Italy
| | - Alessandro Acquasanta
- PoliToBIOMed Lab, Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
| | - Giuseppe De Nisco
- PoliToBIOMed Lab, Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
| | - Davide Belliggiano
- Cardiology Division, San Luigi Gonzaga University Hospital, Orbassano, Turin, Italy
| | - Enrico Cerrato
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital, Orbassano, and Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Diego Gallo
- PoliToBIOMed Lab, Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
| | - Umberto Morbiducci
- PoliToBIOMed Lab, Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
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14
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Tonna C, Wang C, Mei D, Lamaka SV, Zheludkevich ML, Buhagiar J. Biodegradation behaviour of Fe-based alloys in Hanks' Balanced Salt Solutions: Part I. material characterisation and corrosion testing. Bioact Mater 2022; 7:426-440. [PMID: 34466743 PMCID: PMC8379481 DOI: 10.1016/j.bioactmat.2021.05.048] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 04/19/2021] [Accepted: 05/26/2021] [Indexed: 12/26/2022] Open
Abstract
Research on Fe-based biodegradable alloys for implant applications has increased considerably over the past decade. However, there is limited information on the influence of testing electrolytes on corrosion product formation and general corrosion progress. In this work, the effect of Hanks' Balanced Salt Solution (HBSS) with or without Ca2+ on the corrosion of Fe, Fe35Mn and (Fe35Mn)5Ag powder-processed coupons has been studied using potentiodynamic polarisation, Electrochemical Impedance Spectroscopy (EIS), and preliminary localised measurement of pH and dissolved oxygen concentration in close proximity to the metal surface. Both Fe35Mn and (Fe35Mn)5Ag alloys showed accelerated corrosion when compared to pure Fe based on potentiodynamic testing results, with FeMnAg exhibiting the highest corrosion rate in Ca2+-containing HBSS. The results indicate that in Ca2+-containing HBSS, the formation of a partially protective Ca/P layer decelerates the corrosion progress, whereas the Fe- and Mn-phosphates formed in Ca2+-free HBSS do not have the same effect. The Ca/P layer on (Fe35Mn)5Ag experienced a reduction in resistance following several hours of testing, indicating partial loss of its protective effect.
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Affiliation(s)
- Christabelle Tonna
- Department of Metallurgy and Materials Engineering, University of Malta, Msida, Malta
| | - Cheng Wang
- Institute of Surface Science, Helmholtz-Zentrum Hereon, Geesthacht, 21502, Germany
| | - Di Mei
- Institute of Surface Science, Helmholtz-Zentrum Hereon, Geesthacht, 21502, Germany
- School of Materials Science and Engineering & Henan Key Laboratory of Advanced Magnesium Alloy, Zhengzhou University, Zhengzhou, 450001, PR China
| | - Sviatlana V. Lamaka
- Institute of Surface Science, Helmholtz-Zentrum Hereon, Geesthacht, 21502, Germany
| | - Mikhail L. Zheludkevich
- Institute of Surface Science, Helmholtz-Zentrum Hereon, Geesthacht, 21502, Germany
- Institute for Materials Science, Faculty of Engineering, Kiel University, Kiel, 24103, Germany
| | - Joseph Buhagiar
- Department of Metallurgy and Materials Engineering, University of Malta, Msida, Malta
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15
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Comparison of a Bioresorbable, Magnesium-Based Sirolimus-Eluting Stent with a Permanent, Everolimus-Eluting Metallic Stent for Treating Patients with Acute Coronary Syndrome: the PRAGUE-22 Study. Cardiovasc Drugs Ther 2021; 36:1129-1136. [PMID: 34505954 PMCID: PMC9652234 DOI: 10.1007/s10557-021-07258-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/03/2021] [Indexed: 11/28/2022]
Abstract
Background Magnesium-based bioresorbable Magmaris stents are rapidly resorbed. Few randomized studies have evaluated the efficacy of such stents in patients with acute coronary syndrome. Aim To investigate late lumen loss as assessed via quantitative coronary angiography (QCA) and optical coherence tomography (OCT) in patients with acute coronary syndrome treated with Magmaris stents or permanent, everolimus-eluting metallic Xience stents. Methods and Results This PRAGUE-22 study was a two-centre, investigator-initiated, randomized study. Fifty patients were randomized based on the inclusion criteria for acute coronary syndrome and the anatomical suitability to receive Magmaris or Xience stents. The patient characteristics did not differ between the Magmaris group (n = 25) and Xience group (n = 25). The mean ages were 57.0 ± 10.5 vs. 55.5 ± 9.2 years (p = 0.541) and the total implanted stent length was 24.6 ± 10.7 mm vs. 27.6 ± 11.1 mm (p = 0.368), respectively. Four clinical events occurred in the Magmaris group and one in the Xience group during 12 months of follow-up. The extent of late lumen loss (assessed via QCA) at 12 months was greater in the Magmaris group than in the Xience group (0.54 ± 0.70 vs. 0.11 ± 0.37 mm; p = 0.029). The late lumen loss diameter (measured via OCT) in the Magmaris group was also significantly larger than that in the Xience group (0.59 ± 0.37 vs. 0.22 ± 0.20 mm; p = 0.01). Conclusion Implantation of a magnesium-based bioresorbable stent in patients with acute coronary syndrome is associated with a greater extent of late lumen loss at the 12-month follow-up compared with implantation of a permanent, everolimus-eluting metallic stent. Trial Registration: ISRCTN89434356
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16
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Wang L, Jiao L, Pang S, Yan P, Wang X, Qiu T. The Development of Design and Manufacture Techniques for Bioresorbable Coronary Artery Stents. MICROMACHINES 2021; 12:mi12080990. [PMID: 34442612 PMCID: PMC8398368 DOI: 10.3390/mi12080990] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/18/2021] [Accepted: 08/18/2021] [Indexed: 02/02/2023]
Abstract
Coronary artery disease (CAD) is the leading killer of humans worldwide. Bioresorbable polymeric stents have attracted a great deal of interest because they can treat CAD without producing long-term complications. Bioresorbable polymeric stents (BMSs) have undergone a sustainable revolution in terms of material processing, mechanical performance, biodegradability and manufacture techniques. Biodegradable polymers and copolymers have been widely studied as potential material candidates for bioresorbable stents. It is a great challenge to find a reasonable balance between the mechanical properties and degradation behavior of bioresorbable polymeric stents. Surface modification and drug-coating methods are generally used to improve biocompatibility and drug loading performance, which are decisive factors for the safety and efficacy of bioresorbable stents. Traditional stent manufacture techniques include etching, micro-electro discharge machining, electroforming, die-casting and laser cutting. The rapid development of 3D printing has brought continuous innovation and the wide application of biodegradable materials, which provides a novel technique for the additive manufacture of bioresorbable stents. This review aims to describe the problems regarding and the achievements of biodegradable stents from their birth to the present and discuss potential difficulties and challenges in the future.
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Affiliation(s)
- Liang Wang
- School of Mechanical Engineering, Beijing Institute of Technology, No. 5 Zhongguancun South Street, Haidian District, Beijing 100081, China; (L.W.); (S.P.)
| | - Li Jiao
- Key Laboratory of Fundamental Science for Advanced Machining Beijing Institute of Technology, No. 5 Zhongguancun South Street, Haidian District, Beijing 100081, China; (L.J.); (P.Y.); (X.W.)
| | - Shuoshuo Pang
- School of Mechanical Engineering, Beijing Institute of Technology, No. 5 Zhongguancun South Street, Haidian District, Beijing 100081, China; (L.W.); (S.P.)
| | - Pei Yan
- Key Laboratory of Fundamental Science for Advanced Machining Beijing Institute of Technology, No. 5 Zhongguancun South Street, Haidian District, Beijing 100081, China; (L.J.); (P.Y.); (X.W.)
| | - Xibin Wang
- Key Laboratory of Fundamental Science for Advanced Machining Beijing Institute of Technology, No. 5 Zhongguancun South Street, Haidian District, Beijing 100081, China; (L.J.); (P.Y.); (X.W.)
| | - Tianyang Qiu
- Key Laboratory of Fundamental Science for Advanced Machining Beijing Institute of Technology, No. 5 Zhongguancun South Street, Haidian District, Beijing 100081, China; (L.J.); (P.Y.); (X.W.)
- Correspondence:
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17
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Verheye S, Wlodarczak A, Montorsi P, Torzewski J, Bennett J, Haude M, Starmer G, Buck T, Wiemer M, Nuruddin AAB, Yan BP, Lee MK. BIOSOLVE-IV-registry: Safety and performance of the Magmaris scaffold: 12-month outcomes of the first cohort of 1,075 patients. Catheter Cardiovasc Interv 2021; 98:E1-E8. [PMID: 32881396 PMCID: PMC8359313 DOI: 10.1002/ccd.29260] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 05/07/2020] [Accepted: 08/22/2020] [Indexed: 12/03/2022]
Abstract
OBJECTIVES We aimed to assess the safety and performance of the Magmaris sirolimus-eluting bioresorbable magnesium scaffold in a large patient population. BACKGROUND Magmaris has shown good outcomes in small-sized controlled trials, but further data are needed to confirm its usability, safety, and performance. METHODS BIOSOLVE-IV is an international, single arm, multicenter registry including patients with a maximum of two single de novo lesions. Follow-up is scheduled up to 5 years; the primary outcome is target lesion failure (TLF) at 12 months. RESULTS A total of 1,075 patients with 1,121 lesions were enrolled. Mean patient age was 61.3 ± 10.5 years and 19.2% (n = 206) presented with non-ST-elevation myocardial infarction (NSTEMI). Lesions were 3.2 ± 0.3 mm in diameter and 14.9 ± 4.2 mm long; 5.1% (n = 57) were bifurcation lesions. Device success was 97.3% (n = 1,129) and procedure success 98.9% (n = 1,063). The Kaplan-Meier estimate of TLF at 12 months was 4.3% [95% confidence interval, CI: 3.2, 5.7] consisting of 3.9% target lesion revascularizations, 0.2% cardiac death, and 1.1% target-vessel myocardial infarction. Definite/probable scaffold thrombosis occurred in five patients (0.5% [95% CI: 0.2, 1.1]), thereof four after early discontinuation of antiplatelet/anticoagulation therapy. CONCLUSION BIOSOLVE-IV confirms the safety and performance of the Magmaris scaffold in a large population with excellent device and procedure success and a very good safety profile up to 12 months in a low-risk population.
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Affiliation(s)
- Stefan Verheye
- Interventional CardiologyZNA Cardiovascular Center MiddelheimAntwerpBelgium
| | | | - Piero Montorsi
- Department of Clinical Sciences and Community HealthUniversity of Milan and Centro Cardiologico Monzino, IRCCSMilanItaly
| | - Jan Torzewski
- Cardiovascular Center Oberallgäu‐KemptenKemptenGermany
| | - Johan Bennett
- Department of Cardiovascular MedicineUniversity Hospitals LeuvenLeuvenBelgium
| | - Michael Haude
- Medical Clinic I Städtische Kliniken Neuss Lukaskrankenhaus GmbHNeussGermany
| | | | - Thomas Buck
- Department of CardiologyHerz Zentrum Westfalen, Klinikum WestfalenDortmundGermany
| | - Marcus Wiemer
- Department of Cardiology and Intensive CareJohannes Wesling University Hospital Ruhr University BochumMindenGermany
| | | | - Bryan P.‐Y. Yan
- Division of Cardiology, Department of Medicine and TherapeuticsPrince of Wales HospitalHong KongHong Kong
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18
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Recent advances and directions in the development of bioresorbable metallic cardiovascular stents: Insights from recent human and in vivo studies. Acta Biomater 2021; 127:1-23. [PMID: 33823325 DOI: 10.1016/j.actbio.2021.03.058] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 03/24/2021] [Accepted: 03/25/2021] [Indexed: 12/12/2022]
Abstract
Over the past two decades, significant advancements have been made regarding the material formulation, iterative design, and clinical translation of metallic bioresorbable stents. Currently, magnesium-based (Mg) stent devices have remained at the forefront of bioresorbable stent material development and use. Despite substantial advances, the process of developing novel absorbable stents and their clinical translation is time-consuming, expensive, and challenging. These challenges, coupled with the continuous refinement of alternative bioresorbable metallic bulk materials such as iron (Fe) and zinc (Zn), have intensified the search for an ideal absorbable metallic stent material. Here, we discuss the most recent pre-clinical and clinical evidence for the efficacy of bioresorbable metallic stents and material candidates. From this perspective, strategies to improve the clinical performance of bioresorbable metallic stents are considered and critically discussed, spanning material alloy development, surface manipulations, material processing techniques, and preclinical/biological testing considerations. STATEMENT OF SIGNIFICANCE: Recent efforts in using Mg, Fe, and Zn based materials for bioresorbable stents include elemental profile changes as well as surface modifications to improve each of the three classes of materials. Although a variety of alloys for absorbable metallic stents have been developed, the ideal absorbable stent material has not yet been discovered. This review focuses on the state of the art for bioresorbable metallic stent development. It covers the three bulk materials used for degradable stents (Mg, Fe, and Zn), and discusses their advances from a translational perspective. Strategies to improve the clinical performance of bioresorbable metallic stents are considered and critically discussed, spanning material alloy development, surface manipulations, material processing techniques, and preclinical/biological testing considerations.
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19
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High Magnesium and Sirolimus on Rabbit Vascular Cells-An In Vitro Proof of Concept. MATERIALS 2021; 14:ma14081970. [PMID: 33919969 PMCID: PMC8070902 DOI: 10.3390/ma14081970] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/09/2021] [Accepted: 04/10/2021] [Indexed: 12/30/2022]
Abstract
Drug-eluting bioresorbable scaffolds represent the last frontier in the field of angioplasty and stenting to treat coronary artery disease, one of the leading causes of morbidity and mortality worldwide. In particular, sirolimus-eluting magnesium-based scaffolds were recently introduced in clinical practice. Magnesium alloys are biocompatible and dissolve in body fluids, thus determining high concentrations of magnesium in the local microenvironment. Since magnesium regulates cell growth, we asked whether high levels of magnesium might interfere with the antiproliferative action of sirolimus. We performed in vitro experiments on rabbit coronary artery endothelial and smooth muscle cells (rCAEC and rSMC, respectively). The cells were treated with sirolimus in the presence of different concentrations of extracellular magnesium. Sirolimus inhibits rCAEC proliferation only in physiological concentrations of magnesium, while high concentrations prevent this effect. On the contrary, high extracellular magnesium does not rescue rSMC growth arrest by sirolimus and accentuates the inhibitory effect of the drug on cell migration. Importantly, sirolimus and magnesium do not impair rSMC response to nitric oxide. If translated into a clinical setting, these results suggest that, in the presence of sirolimus, local increases of magnesium concentration maintain normal endothelial proliferative capacity and function without affecting rSMC growth inhibition and response to vasodilators.
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20
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Cerrato E, Mejía-Rentería H, Franzè A, Quadri G, Belliggiano D, Biscaglia S, Lo Savio L, Spataro F, Erriquez A, Giacobbe F, Vergara-Uzcategui C, di Girolamo D, Tebaldi M, Varbella F, Campo G, Escaned J. Quantitative flow ratio as a new tool for angiography-based physiological evaluation of coronary artery disease: a review. Future Cardiol 2021; 17:1435-1452. [PMID: 33739146 DOI: 10.2217/fca-2020-0199] [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] [Indexed: 01/10/2023] Open
Abstract
The functional evaluation of coronary stenoses has obtained important clinical results in recent years, resulting in strong guideline recommendations. Nonetheless, the use of coronary wire-based functional evaluation has not yet become part of the routine in catheterization laboratories for several reasons, including the need to advance a wire into the coronary vessel to interrogate the stenosis. Angiography-derived indexes have been introduced to expand the current use of physiology to estimate the functional meaning of a stenosis on the basis of angiographic data only. The most studied and validated angiography-derived index is certainly the quantitative flow ratio. This article will summarize the basics of the quantitative flow ratio, the related validation studies and its current and future applications.
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Affiliation(s)
- Enrico Cerrato
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital, Orbassano & Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Hernan Mejía-Rentería
- Department of Cardiology, Hospital Clinico San Carlos, Instituto de Investigación Sanitaria San Carlos & Universidad Complutense de Madrid, Madrid, Spain
| | - Alfonso Franzè
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital, Orbassano & Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Giorgio Quadri
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital, Orbassano & Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Davide Belliggiano
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital, Orbassano & Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Simone Biscaglia
- Cardiovascular Institute, Azienda Ospedaliero-Universitaria di Ferrara, Cona, Italy.,Maria Cecilia Hospital, GVM Care & Research, Cotignola, RA, Italy
| | - Luca Lo Savio
- Interventional Cardiology Unit, Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Fabio Spataro
- Interventional Cardiology Unit, Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Andrea Erriquez
- Cardiovascular Institute, Azienda Ospedaliero-Universitaria di Ferrara, Cona, Italy.,Maria Cecilia Hospital, GVM Care & Research, Cotignola, RA, Italy
| | - Federico Giacobbe
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital, Orbassano & Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Carlos Vergara-Uzcategui
- Department of Cardiology, Hospital Clinico San Carlos, Instituto de Investigación Sanitaria San Carlos & Universidad Complutense de Madrid, Madrid, Spain
| | | | - Matteo Tebaldi
- Cardiovascular Institute, Azienda Ospedaliero-Universitaria di Ferrara, Cona, Italy.,Maria Cecilia Hospital, GVM Care & Research, Cotignola, RA, Italy
| | - Ferdinando Varbella
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital, Orbassano & Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Gianluca Campo
- Cardiovascular Institute, Azienda Ospedaliero-Universitaria di Ferrara, Cona, Italy.,Maria Cecilia Hospital, GVM Care & Research, Cotignola, RA, Italy
| | - Javier Escaned
- Department of Cardiology, Hospital Clinico San Carlos, Instituto de Investigación Sanitaria San Carlos & Universidad Complutense de Madrid, Madrid, Spain
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21
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Cerrato E, Belliggiano D, Quadri G, Erriquez A, Anselmino M, Quirós A, Franzè A, Ferrari F, Rolfo C, Mejia‐Renteria H, Escaned J, Gonzalo N, Campo G, Varbella F. Anatomical and functional healing after resorbable magnesium scaffold implantation in human coronary vessels: A combined optical coherence tomography and quantitative flow ratio analysis. Catheter Cardiovasc Interv 2020; 98:1038-1046. [DOI: 10.1002/ccd.29397] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 09/18/2020] [Accepted: 11/09/2020] [Indexed: 11/12/2022]
Affiliation(s)
- Enrico Cerrato
- Interventional Cardiology Unit San Luigi Gonzaga University Hospital, Orbassano, and Rivoli Infermi Hospital, Rivoli Turin Italy
| | - Davide Belliggiano
- Division of Cardiology, "Città della Salute e della Scienza di Torino" Hospital, Department of Medical Sciences University of Turin Turin Italy
| | - Giorgio Quadri
- Interventional Cardiology Unit San Luigi Gonzaga University Hospital, Orbassano, and Rivoli Infermi Hospital, Rivoli Turin Italy
| | - Andrea Erriquez
- Cardiovascular Institute Azienda Ospedaliero‐Universitaria di Ferrara, Cona, Italy; Maria Cecilia Hospital, GVM Care & Research Cotignola Italy
| | - Matteo Anselmino
- Division of Cardiology, "Città della Salute e della Scienza di Torino" Hospital, Department of Medical Sciences University of Turin Turin Italy
| | - Alicia Quirós
- Departmento de Matemáticas Universidad de León León Spain
| | - Alfonso Franzè
- Interventional Cardiology Unit San Luigi Gonzaga University Hospital, Orbassano, and Rivoli Infermi Hospital, Rivoli Turin Italy
| | - Fabio Ferrari
- Interventional Cardiology Unit San Luigi Gonzaga University Hospital, Orbassano, and Rivoli Infermi Hospital, Rivoli Turin Italy
| | - Cristina Rolfo
- Interventional Cardiology Unit San Luigi Gonzaga University Hospital, Orbassano, and Rivoli Infermi Hospital, Rivoli Turin Italy
| | - Hernan Mejia‐Renteria
- Cardiology Department, Hospital Clinico San Carlos IDISSC & Universidad Complutense de Madrid Madrid Spain
| | - Javier Escaned
- Cardiology Department, Hospital Clinico San Carlos IDISSC & Universidad Complutense de Madrid Madrid Spain
| | - Nieves Gonzalo
- Cardiology Department, Hospital Clinico San Carlos IDISSC & Universidad Complutense de Madrid Madrid Spain
| | - Gianluca Campo
- Cardiovascular Institute Azienda Ospedaliero‐Universitaria di Ferrara, Cona, Italy; Maria Cecilia Hospital, GVM Care & Research Cotignola Italy
| | - Ferdinando Varbella
- Interventional Cardiology Unit San Luigi Gonzaga University Hospital, Orbassano, and Rivoli Infermi Hospital, Rivoli Turin Italy
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22
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Cerrato E, Quadri G, Franzé A, Rolfo C, Mariani F, Ferrari F, Tomassini F, Varbella F. One-Year OCT Follow-Up Results of Overlapping Resorbable Magnesium Scaffolds: Mind the Gap! CARDIOVASCULAR REVASCULARIZATION MEDICINE 2020; 21:126-129. [PMID: 32741590 DOI: 10.1016/j.carrev.2020.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 06/02/2020] [Accepted: 07/01/2020] [Indexed: 11/28/2022]
Abstract
In this paper we are reporting an unexpected evolution after multiple Resorbable Magnesium Scaffolds (RMS) implantations in overlap.
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Affiliation(s)
- Enrico Cerrato
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital and Rivoli Infermi Hospital, Rivoli, Turin, Italy.
| | - Giorgio Quadri
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital and Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Alfonso Franzé
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital and Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Cristina Rolfo
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital and Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Fabio Mariani
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital and Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Fabio Ferrari
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital and Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Francesco Tomassini
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital and Rivoli Infermi Hospital, Rivoli, Turin, Italy
| | - Ferdinando Varbella
- Interventional Cardiology Unit, San Luigi Gonzaga University Hospital and Rivoli Infermi Hospital, Rivoli, Turin, Italy
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23
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Xu XH, Yang X, Zheng CG, Cui Y. Recent advances in the design of cardiovascular materials for biomedical applications. Regen Med 2020; 15:1637-1645. [PMID: 32552423 DOI: 10.2217/rme-2019-0135] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Biomaterials dominate the field of cardiovascular therapeutics, a multitude of which have been used to repair and replace injured heart tissue. This field has evolved beyond the simple selection of compatible materials and now focuses on the rational design of controlled structures that integrate with the cardiovascular system. However, the compatibility of these materials with the blood presents a major limitation to their clinical application. In this context, surface modification strategies can enhance blood compatibility and several recent advances in this area have emerged. This review summarizes the recent applications of biomaterials in cardiovascular therapies, the improvements in their biocompatibility and the surface modification technologies that have the potential to improve clinical outcomes.
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Affiliation(s)
- Xun-Hong Xu
- Emergency Department, Chun'an First People's Hospital, Zhejiang Provincial People's Hospital Chun'an Branch, Hangzhou 311700, Zhejiang Province, China
| | - Xue Yang
- Key Laboratory of Tumor Molecular Diagnosis & Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou 310014, China.,Clinical Research Institute, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou 310014, China
| | - Cheng-Gen Zheng
- Department of Cardiology, Chun'an First People's Hospital, Zhejiang Provincial People's Hospital Chun'an Branch, Hangzhou 311700, Zhejiang Province, China
| | - Yong Cui
- Department of Cardiothoracic Surgery, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou 310014, China
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24
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Hernández-Escobar D, Champagne S, Yilmazer H, Dikici B, Boehlert CJ, Hermawan H. Current status and perspectives of zinc-based absorbable alloys for biomedical applications. Acta Biomater 2019; 97:1-22. [PMID: 31351253 DOI: 10.1016/j.actbio.2019.07.034] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 07/01/2019] [Accepted: 07/19/2019] [Indexed: 12/22/2022]
Abstract
Absorbable metals have the potential to serve as the next generation of temporary medical implant devices by safely dissolving in the human body upon vascular tissue healing and bone regeneration. Their implementation in the market could greatly reduce the need of costly and risky additional surgeries for either implant replacement or removal, often required in current permanent implants. Despite the extensive research done over the last two decades on magnesium (Mg) and iron (Fe) based alloys, they have not generally shown a satisfactory combination of mechanical properties, biocompatibility and controlled degradation rate in the physiological environment. Consequently, zinc (Zn) based alloys were introduced in the last few years as alternative materials to overcome the limitations of Fe and Mg-based alloys. The blend of different alloying elements and processing conditions have led to a wide variety of Zn-based alloys having tunable mechanical properties and corrosion rates. This review provides the most recent progress in the development of absorbable Zn-based alloys for biomedical implant applications, primarily for cardiovascular and orthopedic devices. Their biocompatibility, processability and metallurgical aspects, as well as their mechanical behavior and corrosion properties are presented and discussed, including their opportunities, limitations and future research directions. STATEMENT OF SIGNIFICANCE: Temporary orthopedic bioimplants have become increasingly popular as they offer an alternative to prevent complications, like infections or secondary surgeries, often related to the implantation of permanent devices. Iron and magnesium alloys were extensively studied as candidates for absorbable medical applications, but they generally failed to provide a desirable mechanical performance and corrosion characteristics in the physiological environment. Zinc was introduced in the last decade as a potential implant material after showing outstanding biocompatibility and biodegradability. This review summarizes the research advances to date and provides a thorough discussion of the future challenges of absorbable zinc alloys to satisfy the demanding clinical benchmarks for absorbable medical applications. Their biocompatibility, mechanical, and corrosion aspects, both in vitro and in vivo, are comprehensively reviewed and assessed accordingly.
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