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Aytekin CE, Turhan Y, Karaduman ZO, Arıcan M, Saglam S, Coskun SK, Uludag V. Investıgatıon of the effects of treatment with enoxaparın sodıum and hyperbarıc oxygen therapy on the recovery of rats wıth achılles tendon rupture. BMC Musculoskelet Disord 2024; 25:556. [PMID: 39020358 PMCID: PMC11256415 DOI: 10.1186/s12891-024-07694-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Accepted: 07/15/2024] [Indexed: 07/19/2024] Open
Abstract
PURPOSE In this study, we aimed to investigate the effects of hyperbaric oxygen therapy and enoxaparin sodium, which are known to accelerate bone tissue healing as well as tendon and soft tissue healing, on the healing of Achilles tendon rupture. METHODS Thirty-six rats were used in the present study. All rats were divided into groups of nine. The groups were the enoxaparin sodium group, enoxaparin sodium and hyperbaric oxygen group, hyperbaric oxygen group and control group. After 21 days, the process was completed, and the rats were sacrificed. Achilles tendon samples were evaluated histopathologically. RESULTS The groups were compared according to the results of statistical analysis based on the histopathological data. There was no significant difference between the groups in terms of acute inflammation (p = 0.785) or chronic inflammation (p = 0.827) scores, but there were significant differences in neovascularization (p = 0.009), proliferation (p < 0.001) and fibrosis (p = 0.006) scores. CONCLUSION Our study showed that the use of enoxaparin sodium and hyperbaric oxygen had a positive effect on the healing of the Achilles tendon. Based on these results, we believe that the use of enoxaparin sodium and hyperbaric oxygen therapy after Achilles tendon rupture will be beneficial for healing and preventing complications.
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Affiliation(s)
- Cafer Erman Aytekin
- Faculty of Medicine, Department of Orthopaedics and Traumatology, Duzce University, Duzce, Türkiye
| | - Yalcın Turhan
- Faculty of Medicine, Department of Orthopaedics and Traumatology, Duzce University, Duzce, Türkiye
| | - Zekeriya Okan Karaduman
- Faculty of Medicine, Department of Orthopaedics and Traumatology, Duzce University, Duzce, Türkiye.
| | - Mehmet Arıcan
- Faculty of Medicine, Department of Orthopaedics and Traumatology, Duzce University, Duzce, Türkiye
| | - Sönmez Saglam
- Faculty of Medicine, Department of Orthopaedics and Traumatology, Duzce University, Duzce, Türkiye
| | | | - Veysel Uludag
- Faculty of Medicine, Department of Orthopaedics and Traumatology, Duzce University, Duzce, Türkiye
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Leite CBG, Leite MS, Varone BB, Santos GBD, Silva MDS, Pereira CAM, Lattermann C, Demange MK. Hyperbaric oxygen therapy enhances graft healing and mechanical properties after anterior cruciate ligament reconstruction: An experimental study in rabbits. J Orthop Res 2024; 42:1210-1222. [PMID: 38225877 DOI: 10.1002/jor.25787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 12/26/2023] [Accepted: 01/03/2024] [Indexed: 01/17/2024]
Abstract
Hyperbaric oxygen therapy (HBOT) has proven successful in wound healing. However, its potential effects on anterior cruciate ligament (ACL) injuries remain uncertain. This study aimed to investigate the impact of HBOT on graft healing following ACL reconstruction in rabbits. Male New Zealand rabbits underwent ACL reconstruction and were randomly divided into two groups: the HBOT group and the ambient air group. The HBOT group received 100% oxygen at 2.5 atmospheres absolute for 2 h daily for 5 consecutive days, starting from the first day after surgery. The ambient air group was maintained in normal room air throughout the entire period. After 12 weeks following the surgery, animals were euthanized, and their knees were harvested for analysis. The HBOT group demonstrated superior graft maturation and integration in comparison to the ambient air group, as evidenced by lower graft signal intensity on magnetic resonance imaging, decreased femoral and tibial tunnel size, and higher bone mineral density values on high-resolution peripheral quantitative computed tomography scans. Additionally, biomechanical testing indicated that the HBOT group had greater load to failure and stiffness values than the ambient air group. In conclusion, the adjuvant use of HBOT improved ACL graft maturation and integration, reduced tunnel widening, and enhanced the biomechanical properties of the graft. These results may provide important insights into the potential clinical application of HBOT as a therapeutic intervention to enhance graft healing after ACL reconstruction, paving the way for further research in this area.
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Affiliation(s)
- Chilan Bou Ghosson Leite
- Instituto de Ortopedia e Traumatologia, Hospital das Clinicas, HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, Brazil
- Department of Orthopedic Surgery, Center for Cartilage Repair and Sports Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Magno Santos Leite
- Laboratório de Poluição Atmosférica Experimental LIM05, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo (USP), São Paulo, Brazil
| | - Bruno Butturi Varone
- Instituto de Ortopedia e Traumatologia, Hospital das Clinicas, HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Gustavo Bispo Dos Santos
- Instituto de Ortopedia e Traumatologia, Hospital das Clinicas, HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, Brazil
| | | | - Cesar Augusto Martins Pereira
- Instituto de Ortopedia e Traumatologia, Hospital das Clinicas, HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Christian Lattermann
- Department of Orthopedic Surgery, Center for Cartilage Repair and Sports Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Marco Kawamura Demange
- Instituto de Ortopedia e Traumatologia, Hospital das Clinicas, HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, Brazil
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Nadeau N, Richards S. The potential for hyperbaric oxygen therapy in ACL reconstruction. J Orthop Res 2024. [PMID: 38814158 DOI: 10.1002/jor.25911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Accepted: 05/15/2024] [Indexed: 05/31/2024]
Affiliation(s)
- Nicolas Nadeau
- Hackensack Meridian School of Medicine, Nutley, New Jersey, USA
| | - Sean Richards
- Hackensack Meridian School of Medicine, Nutley, New Jersey, USA
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Augustine R, Camci-Unal G. Scaffolds with high oxygen content support osteogenic cell survival under hypoxia. Biomater Sci 2023; 11:5560-5575. [PMID: 37401619 PMCID: PMC10533211 DOI: 10.1039/d3bm00650f] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/05/2023]
Abstract
Regeneration of large bone defects is a significant clinical challenge with variable success, but tissue engineering strategies are promising for rapid and effective bone regeneration. Maintaining an adequate oxygen level within implanted scaffolds is a major obstacle in bone tissue engineering. We developed a new oxygen-generating scaffold by electrospinning polycaprolactone with calcium peroxide (CaO2) nanocuboids (CPNCs) and characterized the physical, chemical, and biological properties of the resulting composites. Our scaffolds are highly porous and composed of submicron fibers that include CPNC as confirmed with XRD and FTIR analyses. Scaffolds containing CPNC provided controlled oxygen release for 14-days and supported cell proliferation while protecting preosteoblasts from hypoxia-induced cell death. Oxygen-generating scaffolds also facilitated bone mimetic defect contraction in vitro. The results suggest that our approach can be used to develop tissue-engineered products which target bone defects.
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Affiliation(s)
- Robin Augustine
- Department of Chemical Engineering, University of Massachusetts, Lowell, Massachusetts 01854, USA.
| | - Gulden Camci-Unal
- Department of Chemical Engineering, University of Massachusetts, Lowell, Massachusetts 01854, USA.
- Department of Surgery, University of Massachusetts Medical School, Worcester, Massachusetts 01605, USA
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