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Lin CW, Chiang ER, Chen SH, Chen P, Liu HJ, Chiu JCH. Global Compressive Loading from an Ultra-Thin PEEK Button Augment Enhances Fibrocartilage Regeneration of Rotator Cuff Enthesis. Bioengineering (Basel) 2023; 10:bioengineering10050565. [PMID: 37237635 DOI: 10.3390/bioengineering10050565] [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: 04/03/2023] [Revised: 05/02/2023] [Accepted: 05/06/2023] [Indexed: 05/28/2023] Open
Abstract
A PEEK button is developed to improve the tendon-to-bone compression area. In total, 18 goats were divided into 12-week, 4-week, and 0-week groups. All underwent bilateral detachment of the infraspinatus tendon. In the 12-week group, 6 were fixed with a 0.8-1 mm-thick PEEK augment (A-12, Augmented), and 6 were fixed with the double-row technique (DR-12). Overall, 6 infraspinatus were fixed with PEEK augment (A-4) and without PEEK augment (DR-4) in the 4-week group. The same condition was performed in the 0-week groups (A-0 and DR-0). Mechanical testing, immunohistochemistry assessment, cell responses, tissue alternation, surgical impact, remodeling, and the expression of type I, II, and III collagen of the native tendon-to-bone insertion and new footprint areas were evaluated. The average maximum load in the A-12 group (393.75 (84.40) N) was significantly larger than in the TOE-12 group (229.17 (43.94) N) (p < 0.001). Cell responses and tissue alternations in the 4-week group were slight. The new footprint area of the A-4 group had better fibrocartilage maturation and more type III collagen expression than in DR-4 group. This result proved the novel device is safe and provides superior load-displacement to the double-row technique. There is a trend toward better fibrocartilage maturation and more collagen III secretions in the PEEK augmentation group.
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Affiliation(s)
- Chia-Wei Lin
- Orthopedic Department, Wuri Lin Shin Hospital, Taichung 414, Taiwan
- Department of Clinical Research, De Novo Orthopedics Inc., Taichung 414, Taiwan
| | - En-Rung Chiang
- Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, Taipei 112, Taiwan
- Department of Surgery, School of Medicine, National Yang-Ming University, Taipei 112, Taiwan
| | - Shih-Hao Chen
- Department of Orthopedic Surgery, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung 427, Taiwan
- Department of Orthopaedics, Tzu-Chi University, Hualien 970, Taiwan
| | - Poyu Chen
- Department of Orthopedic Surgery, Linkou Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
- Department of Occupational Therapy, Graduate Institute of Behavioral Sciences, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
- Healthy Aging Research Center, Chang Gung University, Taoyuan 333, Taiwan
| | - Heng-Jui Liu
- Department of Clinical Research, De Novo Orthopedics Inc., Taichung 414, Taiwan
| | - Joe Chih-Hao Chiu
- Department of Orthopedic Surgery, Linkou Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
- Bone and Joint Research Center, Linkou Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
- Comprehensive Sports Medicine Center (CSMC), Linkou Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
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Rivera P, Villegas C, Cabezas R, Pérez B, Torres A, de Dicastillo CL, Garrido L, Galvez P, Araya C, Romero J. Development of PLA suture materials by extrusion, electrospinning and supercritical CO2 impregnation of ibuprofen and naproxen. J Supercrit Fluids 2023. [DOI: 10.1016/j.supflu.2023.105854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Li X, Lin Y, Liu M, Meng L, Li C. A review of research and application of polylactic acid composites. J Appl Polym Sci 2022. [DOI: 10.1002/app.53477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Affiliation(s)
- Xiangrui Li
- Key Laboratory of Wood Materials Science and Engineering, School of Materials Science and Engineering Beihua University Jilin China
| | - Yu Lin
- Key Laboratory of Wood Materials Science and Engineering, School of Materials Science and Engineering Beihua University Jilin China
| | - Mingli Liu
- Key Laboratory of Wood Materials Science and Engineering, School of Materials Science and Engineering Beihua University Jilin China
| | - Lipeng Meng
- Forestry Resource Utilization Institute Jilin Forestry Scientific Research Institute Jilin China
| | - Chunfeng Li
- Key Laboratory of Wood Materials Science and Engineering, School of Materials Science and Engineering Beihua University Jilin China
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Revisability of polyetheretherketone suture anchors utilised in primary and revision Bankart repair. J Orthop Sci 2020; 25:830-835. [PMID: 31839390 DOI: 10.1016/j.jos.2019.11.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 10/15/2019] [Accepted: 11/08/2019] [Indexed: 11/23/2022]
Abstract
BACKGROUND Polyetheretherketone (PEEK) suture anchors are frequently used in Bankart shoulder stabilisation. This study analyzed the primary stability and revisability of PEEK anchors in-vitro in case of primary Bankart repair and revision Bankart repair after failed primary repair. METHODS To simulate primary Bankart repair, 12 anchors (Arthrex PEEK PushLock® 3.5 mm) were implanted in 1, 3, 5, 7, 9 and 11 o'clock positions in cadaveric human glenoids and then cyclically tested. To simulate revision Bankart repair, 12 anchors were implanted in the same manner, over-drilled and 12 new anchors of the same diameter were implanted into the same bone socket as the primary anchors and then cyclically tested. The maximum failure loads (Fmax), system displacements, force at clinical failure and modes of failure were recorded. RESULTS One primary anchor failed prematurely due to a technical problem. Three out of 12 revision anchors (25%) dislocated while setting the 25 N preload. The Fmax, the displacement and clinical failure of the remaining 9 revision anchors were non-significant when compared to the 11 primary repair anchors. The main mode of failure in the primary and revision Bankart surgery group was suture slippage. Anchor dislocations were observed four times in the primary and once in the revision repair groups. CONCLUSIONS Revision Bankart repair using PEEK anchors of the same diameter in a pre-existing bone socket is possible but bears high risk of premature anchor failure and can jeopardize the reconstruction. PEEK suture anchor in revision Bankart surgery should be implanted in a new bone socket if possible.
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Kim JH, Kim YS, Park I, Lee HJ, Han SY, Jung S, Shin SJ. A Comparison of Open-Construct PEEK Suture Anchor and Non-Vented Biocomposite Suture Anchor in Arthroscopic Rotator Cuff Repair: A Prospective Randomized Clinical Trial. Arthroscopy 2020; 36:389-396. [PMID: 31864818 DOI: 10.1016/j.arthro.2019.08.049] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 08/22/2019] [Accepted: 08/23/2019] [Indexed: 02/02/2023]
Abstract
PURPOSE To compare radiologic bone ingrowth and the clinical outcomes of an open-construct (PEEK) (polyether ether ketone) suture anchor with those of a non-vented biocomposite suture anchor in patients with arthroscopic rotator cuff repair. METHODS Sixty-nine patients were randomly allocated into 2 groups based on type of suture anchors used for rotator cuff repair; group 1: open-construct PEEK anchor (36 patients), group 2: non-vented biocomposite anchor (33 patients). The status of bone ingrowth into the anchor and the presence of cyst formation were evaluated at 6 months postoperatively by computed tomography scan using the Modified Barber's ossification scale. The American Shoulder and Elbow Surgeons score, Constant score, and visual analog scale score for pain and range of motion were evaluated. Magnetic resonance imaging or ultrasonography was performed at 12 months postoperatively to examine the integrity of the repaired rotator cuff tendon. RESULTS Significant improvements in shoulder function and pain relief were observed regardless of the anchor used (both Group 1 and 2; P < .001). No differences were found in functional scores and range of motion between the 2 groups. Group 1 showed better bone ingrowth grades than group 2 (poor 2.8 vs 24.2%, fair 27.8 vs 39.4%, good 38.9 vs 33.3%, and excellent 30.6 vs 3.0%; P < .001). The rate of cyst formation around the anchor on the 6 months' postoperative computed tomography (group 1: 14% and group 2: 12%) and re-tear rate at 12 months (5% each) showed no difference between the 2 groups. CONCLUSIONS Shoulder function was improved after complete rotator cuff repair and similar clinical outcomes were achieved regardless of suture anchor material and shape. However, the open-construct PEEK anchor provided better bone ingrowth into the anchor than the non-vented biocomposite anchor at 6 months after arthroscopic rotator cuff repair. LEVEL OF EVIDENCE Level I; Prospective Randomized Trial.
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Affiliation(s)
- Jong-Ho Kim
- Department of Orthopedic Surgery, Wonkwang University Sanbon Hospital, Wonkwang University of School of Medicine, Gunpo, Gyeonggi-do, Korea
| | - Yang-Soo Kim
- Department of Orthopedic Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea
| | - In Park
- Department of Orthopedic Surgery, Ewha Womans University Seoul Hospital, Ewha Womans University, Seoul, Korea
| | - Hyo-Jin Lee
- Department of Orthopedic Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea
| | - Sang-Yup Han
- Department of Orthopedic Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea
| | - Sehoon Jung
- Department of Orthopedic Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea
| | - Sang-Jin Shin
- Department of Orthopedic Surgery, Ewha Womans University Seoul Hospital, Ewha Womans University, Seoul, Korea.
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Liu S, Wu G, Chen X, Zhang X, Yu J, Liu M, Zhang Y, Wang P. Degradation Behavior In Vitro of Carbon Nanotubes (CNTs)/Poly(lactic acid) (PLA) Composite Suture. Polymers (Basel) 2019; 11:polym11061015. [PMID: 31181799 PMCID: PMC6630379 DOI: 10.3390/polym11061015] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 06/05/2019] [Accepted: 06/05/2019] [Indexed: 12/20/2022] Open
Abstract
Poly(lactic acid) (PLA) suture can be absorbed by the human body, and so have wide applications in modern surgery operations. The degradation period of PLA suture is expected to meet with the healing time of different types of wounds. In order to control the degradation period of the PLA suture, the carbon nanotubes (CNTs) were composited with PLA suture, and the degradation experiment in vitro was performed on sutures. The structure and properties of sutures during degradation, such as surface morphology, breaking strength, elongation, mass and chemical structure, were tracked and analyzed. The results indicated that the degradation brought about surface defects and resulted in 13.5 weeks for the strength valid time of the original PLA suture. By contrast, the strength valid time of the CNTs/PLA suture was increased to 26.6 weeks. Whilst the toughness of both the pure PLA and CNTs/PLA sutures decreased rapidly and almost disappeared after 3 to 4 weeks of degradation. The mass loss demonstrated that the time required for complete degradation of the two sutures was obviously different, the pure PLA suture 49 weeks, while CNTs/PLA sutures 63 to 73 weeks. The research proved that CNTs delayed PLA degradation and prolonged its strength valid time in degradation.
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Affiliation(s)
- Shuqiang Liu
- College of Textile Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
| | - Gaihong Wu
- College of Textile Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
| | - Xiaogang Chen
- School of Materials, The University of Manchester, Manchester M13 9PL, UK.
| | - Xiaofang Zhang
- College of Textile Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
| | - Juanjuan Yu
- College of Textile Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
| | - Mingfang Liu
- College of Textile Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
| | - Yao Zhang
- College of Textile Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
| | - Peng Wang
- College of Textile Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
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Wu HL, Bremner DH, Wang HJ, Wu JZ, Li HY, Wu JR, Niu SW, Zhu LM. Fabrication and investigation of a biocompatible microfilament with high mechanical performance based on regenerated bacterial cellulose and bacterial cellulose. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017. [DOI: 10.1016/j.msec.2017.05.073] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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