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Liu Y, Gao Z, Yu X, Lin W, Lian H, Meng Z. Recent Advances in the Fabrication and Performance Optimization of Polyvinyl Alcohol Based Vascular Grafts. Macromol Biosci 2024:e2400093. [PMID: 38801024 DOI: 10.1002/mabi.202400093] [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: 03/01/2024] [Revised: 05/11/2024] [Indexed: 05/29/2024]
Abstract
Cardiovascular disease is one of the diseases with the highest morbidity and mortality rates worldwide, and coronary artery bypass grafting (CABG) is a fast and effective treatment. More researchers are investigating in artificial blood vessels due to the limitations of autologous blood vessels. Despite the availability of large-diameter vascular grafts (Ø > 6 mm) for clinical use, small-diameter vascular grafts (Ø < 6 mm) have been a challenge for researchers to overcome in recent years. Vascular grafts made of polyvinyl alcohol (PVA) and PVA-based composites have excellent biocompatibility and mechanical characteristics. In order to gain a clearer and more specific understanding of the progress in PVA vascular graft research, particularly regarding the preparation methods, principles, and functionality of PVA vascular graft, this article discusses the mechanical properties, biocompatibility, blood compatibility, and other properties of PVA vascular graft prepared or enhanced with different blends using various techniques that mimic natural blood vessels. The findings reveal the feasibility and promising potential of PVA or PVA-based composite materials as vascular grafts.
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Affiliation(s)
- Yixuan Liu
- School of Medical Devices, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Zichun Gao
- School of Medical Devices, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Xinrong Yu
- School of Medical Devices, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Wenjiao Lin
- Qingmao Technology (Shenzhen) Co., LTD, Shenzhen, China
| | - He Lian
- School of Medical Devices, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Zhaoxu Meng
- School of Medical Devices, Shenyang Pharmaceutical University, Shenyang, 110016, China
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Hayashi H, Contento J, Matsushita H, Mass P, Cleveland V, Aslan S, Dave A, Santos RD, Zhu A, Reid E, Watanabe T, Lee N, Dunn T, Siddiqi U, Nurminsky K, Nguyen V, Kawaji K, Huddle J, Pocivavsek L, Johnson J, Fuge M, Loke YH, Krieger A, Olivieri L, Hibino N. Patient-specific tissue engineered vascular graft for aortic arch reconstruction. JTCVS OPEN 2024; 18:209-220. [PMID: 38690440 PMCID: PMC11056495 DOI: 10.1016/j.xjon.2024.02.012] [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: 11/10/2023] [Revised: 01/21/2024] [Accepted: 02/05/2024] [Indexed: 05/02/2024]
Abstract
Objectives The complexity of aortic arch reconstruction due to diverse 3-dimensional geometrical abnormalities is a major challenge. This study introduces 3-dimensional printed tissue-engineered vascular grafts, which can fit patient-specific dimensions, optimize hemodynamics, exhibit antithrombotic and anti-infective properties, and accommodate growth. Methods We procured cardiac magnetic resonance imaging with 4-dimensional flow for native porcine anatomy (n = 10), from which we designed tissue-engineered vascular grafts for the distal aortic arch, 4 weeks before surgery. An optimal shape of the curved vascular graft was designed using computer-aided design informed by computational fluid dynamics analysis. Grafts were manufactured and implanted into the distal aortic arch of porcine models, and postoperative cardiac magnetic resonance imaging data were collected. Pre- and postimplant hemodynamic data and histology were analyzed. Results Postoperative magnetic resonance imaging of all pigs with 1:1 ratio of polycaprolactone and poly-L-lactide-co-ε-caprolactone demonstrated no specific dilatation or stenosis of the graft, revealing a positive growth trend in the graft area from the day after surgery to 3 months later, with maintaining a similar shape. The peak wall shear stress of the polycaprolactone/poly-L-lactide-co-ε-caprolactone graft portion did not change significantly between the day after surgery and 3 months later. Immunohistochemistry showed endothelization and smooth muscle layer formation without calcification of the polycaprolactone/poly-L-lactide-co-ε-caprolactone graft. Conclusions Our patient-specific polycaprolactone/poly-L-lactide-co-ε-caprolactone tissue-engineered vascular grafts demonstrated optimal anatomical fit maintaining ideal hemodynamics and neotissue formation in a porcine model. This study provides a proof of concept of patient-specific tissue-engineered vascular grafts for aortic arch reconstruction.
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Affiliation(s)
- Hidenori Hayashi
- Division of Cardiac Surgery, Department of Surgery, University of Chicago, Chicago, Ill
| | | | - Hiroshi Matsushita
- Division of Cardiac Surgery, Department of Surgery, University of Chicago, Chicago, Ill
| | - Paige Mass
- Department of Cardiology, Children's National Hospital, Washington, DC
| | - Vincent Cleveland
- Department of Cardiology, Children's National Hospital, Washington, DC
| | - Seda Aslan
- Department of Mechanical Engineering, Johns Hopkins University, Baltimore, Md
| | - Amartya Dave
- Division of Cardiac Surgery, Department of Surgery, University of Chicago, Chicago, Ill
| | - Raquel dos Santos
- Division of Cardiac Surgery, Department of Surgery, University of Chicago, Chicago, Ill
| | - Angie Zhu
- Division of Cardiac Surgery, Department of Surgery, University of Chicago, Chicago, Ill
| | - Emmett Reid
- Division of Cardiac Surgery, Department of Surgery, University of Chicago, Chicago, Ill
| | - Tatsuya Watanabe
- Division of Cardiac Surgery, Department of Surgery, University of Chicago, Chicago, Ill
| | - Nora Lee
- Division of Cardiac Surgery, Department of Surgery, University of Chicago, Chicago, Ill
| | - Tyler Dunn
- Division of Cardiac Surgery, Department of Surgery, University of Chicago, Chicago, Ill
| | - Umar Siddiqi
- Division of Cardiac Surgery, Department of Surgery, University of Chicago, Chicago, Ill
| | - Katherine Nurminsky
- Division of Cardiac Surgery, Department of Surgery, University of Chicago, Chicago, Ill
| | - Vivian Nguyen
- Department of Biomedical Engineering, Illinois Institute of Technology, Chicago, Ill
| | - Keigo Kawaji
- Department of Biomedical Engineering, Illinois Institute of Technology, Chicago, Ill
| | | | - Luka Pocivavsek
- Division of Vascular Surgery, Department of Surgery, University of Chicago, Chicago, Ill
| | | | - Mark Fuge
- Department of Mechanical Engineering, University of Maryland, College Park, Md
| | - Yue-Hin Loke
- Department of Cardiology, Children's National Hospital, Washington, DC
| | - Axel Krieger
- Department of Mechanical Engineering, Johns Hopkins University, Baltimore, Md
| | - Laura Olivieri
- Department of Pediatric Cardiology, University of Pittsburgh Medical Center, Pittsburgh, Pa
| | - Narutoshi Hibino
- Division of Cardiac Surgery, Department of Surgery, University of Chicago, Chicago, Ill
- Department of Cardiovascular Surgery, Advocate Children's Hospital, Oak Lawn, Ill
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Hülsmann J, Fraune T, Dodawatta B, Reuter F, Beutner M, Beck V, Hackert-Oschätzchen M, Ohl CD, Bettenbrock K, Janiga G, Wippermann J, Wacker M. Integrated biophysical matching of bacterial nanocellulose coronary artery bypass grafts towards bioinspired artery typical functions. Sci Rep 2023; 13:18274. [PMID: 37880281 PMCID: PMC10600183 DOI: 10.1038/s41598-023-45451-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 10/19/2023] [Indexed: 10/27/2023] Open
Abstract
Revascularization via coronary artery bypass grafting (CABG) to treat cardiovascular disease is established as one of the most important lifesaving surgical techniques worldwide. But the shortage in functionally self-adaptive autologous arteries leads to circumstances where the clinical reality must deal with fighting pathologies coming from the mismatching biophysical functionality of more available venous grafts. Synthetic biomaterial-based CABG grafts did not make it to the market yet, what is mostly due to technical hurdles in matching biophysical properties to the complex demands of the CABG niche. But bacterial Nanocellulose (BNC) Hydrogels derived by growing biofilms hold a naturally integrative character in function-giving properties by its freedom in designing form and intrinsic fiber architecture. In this study we use this integral to combine impacts on the luminal fiber matrix, biomechanical properties and the reciprocal stimulation of microtopography and induced flow patterns, to investigate biomimetic and artificial designs on their bio-functional effects. Therefore, we produced tubular BNC-hydrogels at distinctive designs, characterized the structural and biomechanical properties and subjected them to in vitro endothelial colonization in bioreactor assisted perfusion cultivation. Results showed clearly improved functional properties and gave an indication of successfully realized stimulation by artery-typical helical flow patterns.
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Affiliation(s)
- Jörn Hülsmann
- Department for Cardiac Surgery, Medical Faculty, Otto von Guericke University, Magdeburg, Germany.
| | - Theresa Fraune
- Department for Cardiac Surgery, Medical Faculty, Otto von Guericke University, Magdeburg, Germany
| | - Baratha Dodawatta
- Laboratory of Fluid Dynamics and Technical Flows, Otto von Guericke University, Magdeburg, Germany
| | - Fabian Reuter
- Department Soft Matter, Otto von Guericke University, Magdeburg, Germany
| | - Martin Beutner
- Chair of Manufacturing Technology with Focus Machining, Institute of Manufacturing Technology and Quality Management, Otto von Guericke University, Magdeburg, Germany
| | - Viktoria Beck
- Department for Cardiac Surgery, Medical Faculty, Otto von Guericke University, Magdeburg, Germany
| | - Matthias Hackert-Oschätzchen
- Chair of Manufacturing Technology with Focus Machining, Institute of Manufacturing Technology and Quality Management, Otto von Guericke University, Magdeburg, Germany
| | - Claus Dieter Ohl
- Department Soft Matter, Otto von Guericke University, Magdeburg, Germany
| | - Katja Bettenbrock
- Max Plank Institute for Dynamics of Complex Technical Systems, Magdeburg, Germany
| | - Gabor Janiga
- Laboratory of Fluid Dynamics and Technical Flows, Otto von Guericke University, Magdeburg, Germany
| | - Jens Wippermann
- Department for Cardiac Surgery, Medical Faculty, Otto von Guericke University, Magdeburg, Germany
| | - Max Wacker
- Department for Cardiac Surgery, Medical Faculty, Otto von Guericke University, Magdeburg, Germany
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Di Francesco D, Pigliafreddo A, Casarella S, Di Nunno L, Mantovani D, Boccafoschi F. Biological Materials for Tissue-Engineered Vascular Grafts: Overview of Recent Advancements. Biomolecules 2023; 13:1389. [PMID: 37759789 PMCID: PMC10526356 DOI: 10.3390/biom13091389] [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: 08/25/2023] [Revised: 09/11/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
The clinical demand for tissue-engineered vascular grafts is still rising, and there are many challenges that need to be overcome, in particular, to obtain functional small-diameter grafts. The many advances made in cell culture, biomaterials, manufacturing techniques, and tissue engineering methods have led to various promising solutions for vascular graft production, with available options able to recapitulate both biological and mechanical properties of native blood vessels. Due to the rising interest in materials with bioactive potentials, materials from natural sources have also recently gained more attention for vascular tissue engineering, and new strategies have been developed to solve the disadvantages related to their use. In this review, the progress made in tissue-engineered vascular graft production is discussed. We highlight, in particular, the use of natural materials as scaffolds for vascular tissue engineering.
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Affiliation(s)
- Dalila Di Francesco
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (D.D.F.); (S.C.); (L.D.N.)
- Laboratory for Biomaterials and Bioengineering, CRC-I, Department of Min-Met-Materials Engineering, University Hospital Research Center, Regenerative Medicine, Laval University, Quebec City, QC G1V 0A6, Canada;
| | - Alexa Pigliafreddo
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (D.D.F.); (S.C.); (L.D.N.)
| | - Simona Casarella
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (D.D.F.); (S.C.); (L.D.N.)
| | - Luca Di Nunno
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (D.D.F.); (S.C.); (L.D.N.)
| | - Diego Mantovani
- Laboratory for Biomaterials and Bioengineering, CRC-I, Department of Min-Met-Materials Engineering, University Hospital Research Center, Regenerative Medicine, Laval University, Quebec City, QC G1V 0A6, Canada;
| | - Francesca Boccafoschi
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (D.D.F.); (S.C.); (L.D.N.)
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