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Mazy D, Lu D, Leclerc S, Laor B, Wang J, Pinvicy A, Moldovan F, Nault ML. Animal models used in meniscal repair research from ex vivo to in vivo: A systematic review. J Orthop 2024; 55:23-31. [PMID: 38638113 PMCID: PMC11021913 DOI: 10.1016/j.jor.2024.03.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Accepted: 03/30/2024] [Indexed: 04/20/2024] Open
Abstract
This systematic review, registered with Prospero, aims to identify an optimal animal model for meniscus repair research, moving from ex vivo experimentation to in vivo studies. Data sources included PubMed, Medline, all Evidence-Based Medicine Reviews, Web of Science, and Embase searched in March 2023. Studies were screened using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Extracted data including animal model, type of experiment, type of tear, surgical techniques, and measured outcomes, were recorded, reviewed, and analyzed by four independent reviewers. The SYstematic Review Centre for Laboratory animal Experimentation (SYRCLE) Rob tool was used for critical appraisal and risk of bias assessment. Out of 11,719 studies, 72 manuscripts were included for data extraction and analysis; 41 ex vivo extra-articular studies, 20 ex vivo intra-articular studies, and only 11 in vivo studies. Six animal models were employed: porcine, bovine, lapine, caprine, canine, and ovine. Longitudinal lesions were the most frequently studied tear pattern and sutures the most common repair technique. Studied outcomes focused mainly on biomechanical assessments and gross observations. This systematic review can guide researchers in their choice of animal model for meniscus repair research; it highlighted the strengths of the porcine, caprine, and bovine models for ex vivo cadaveric studies, while the porcine and caprine models were found to be more suited to in vivo studies due to their similarities with human anatomy. Research teams should familiarize themselves with the advantages and disadvantages of various animal models before initiating protocols to improve standardization in the field.
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Affiliation(s)
- David Mazy
- CHU Sainte-Justine, 7905-3175 Côte Ste-Catherine, Montréal, QC, H3T 1C5, Canada
- Department of Surgery, Université de Montréal, 2900 boul. Edouard-Montpetit, Montreal, QC, H3T 1J4, Canada
| | - Daisy Lu
- CHU Sainte-Justine Azrieli Research Center, 7905-3175 Côte Ste-Catherine, Montréal, QC H3T 1C5, Canada
| | - Sebastien Leclerc
- CHU Sainte-Justine Azrieli Research Center, 7905-3175 Côte Ste-Catherine, Montréal, QC H3T 1C5, Canada
| | - Boaz Laor
- Faculty of Medecine, McGill university, 1650 Cedar Ave, Montreal, Quebec, H3G 1A4, Canada
| | - Jessica Wang
- CHU Sainte-Justine Azrieli Research Center, 7905-3175 Côte Ste-Catherine, Montréal, QC H3T 1C5, Canada
| | - Alix Pinvicy
- CHU Sainte-Justine, 7905-3175 Côte Ste-Catherine, Montréal, QC, H3T 1C5, Canada
| | - Florina Moldovan
- CHU Sainte-Justine Azrieli Research Center, 7905-3175 Côte Ste-Catherine, Montréal, QC H3T 1C5, Canada
| | - Marie-Lyne Nault
- CHU Sainte-Justine, 7905-3175 Côte Ste-Catherine, Montréal, QC, H3T 1C5, Canada
- Department of Surgery, Université de Montréal, 2900 boul. Edouard-Montpetit, Montreal, QC, H3T 1J4, Canada
- CIUSSS Hôpital du Sacré-Cœur de Montréal (HSCM), Department of Orthopedic surgery, 5400 boul. Gouin Ouest, Montreal, QC, H4J 1C5, Canada
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Bachmaier S, Krych AJ, Smith PA, Herbort M, Ritter D, LaPrade RF, Wijdicks CA. Primary Fixation and Cyclic Performance of Single-Stitch All-Inside and Inside-Out Meniscal Devices for Repairing Vertical Longitudinal Meniscal Tears. Am J Sports Med 2022; 50:2705-2713. [PMID: 35787211 DOI: 10.1177/03635465221107086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Primary device fixation and the resistance against gap formation during repetitive loading influence the quality of meniscal repair. There are limited biomechanical data comparing primary tensioning and cyclic behavior of all-inside versus inside-out repair. HYPOTHESIS All-inside devices provide higher initial load on the meniscal repair than inside-out fixation, and stiffer constructs show higher resistance against gap formation during cyclic loading. STUDY DESIGN Controlled laboratory study. METHODS In total, 60 longitudinal bucket-handle tears in human cadaveric menisci were created and repaired with a single stitch and randomly assigned to 4 all-inside groups (TrueSpan, FastFix 360, Stryker AIR, FiberStich) and 2 inside-out groups (suture repair [IO-S], suture tape [IO-ST]). Residual load after repair tensioning (50 N) and relief displacement were measured. Constructs underwent cyclic loading between 2 and 20 N over 500 cycles (0.75 Hz) with cyclic stiffness, gap formation, and final peak elongation measured. Ultimate load and stiffness were analyzed during pull to failure (3.15 mm/s). RESULTS All-inside repair demonstrated significantly higher primary fixation strength than inside-out repair. The significantly highest load (mean ± SD; 20.1 ± 0.9 N; P < .037) and relief displacement (-2.40 ± 0.32 mm; P < .03) were for the knotless soft anchoring FiberStich group. The lowest initial load (9.0 ± 1.5 N; P < .001) and relief displacement (-1.39 ± 0.26 mm; P < .045) were for the IO-S repair group. The final gap formation (500th cycle) of FiberStich (0.75 ± 0.37 mm; P < .02) was significantly smaller than others and that of the IO-S (1.47 ± 0.33 mm; P < .045) significantly larger. The construct stiffness of the FiberStich and IO-ST groups was significantly greater at the end of cyclic testing (16.7 ± 0.80 and 15.5 ± 1.42 N/mm; P < .042, respectively) and ultimate failure testing (23.4 ± 3.6 and 20.6 ± 2.3 N/mm; P < .005). The FastFix 360 (86.4 ± 4.8 N) and Stryker AIR (84.4 ± 4.6 N) groups failed at a significantly lower load than the IO-S group (P < .02) with loss of anchor support. The FiberStich (146.8 ± 23.4 N), TrueSpan (142.0 ± 17.8 N), and IO-ST (139.4 ± 7.3 N) groups failed at significantly higher loads (P < .02) due to suture tearing. CONCLUSION Overall, primary fixation strength of inside-out meniscal repair was significantly lower than all-inside repair in this cadaveric tissue model. Although absolute differences among groups were small, meniscal repairs with higher construct stiffness (IO-ST, FiberStich) demonstrated increased resistance against gap formation and failure load. CLINICAL RELEVANCE Knotless single-stitch all-inside meniscal repair with a soft anchor resulted in less gapping, but the overall clinical significance on healing rates remains unclear.
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Affiliation(s)
| | - Aaron J Krych
- Department of Orthopedic Surgery and Sports Medicine Center, Mayo Clinic, Rochester, Minnesota, USA
| | | | | | - Daniel Ritter
- Department of Orthopedic Research, Arthrex, Munich, Germany
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Oosten J, Yoder R, DiBartola A, Bowler J, Sparks A, Duerr R, Magnussen R, Kaeding C, Flanigan D. Several Techniques Exist With Favorable Biomechanical Outcomes in Radial Meniscus Tear Repair-A Systematic Review. Arthroscopy 2022; 38:2557-2578.e4. [PMID: 35189305 DOI: 10.1016/j.arthro.2022.02.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 02/04/2022] [Accepted: 02/04/2022] [Indexed: 02/08/2023]
Abstract
PURPOSE To compare biomechanical properties of various radial tear repair techniques in the medial and lateral menisci. METHODS A search was performed for key words regarding mechanical properties of repair of radial meniscal tears in PubMed, Embase, CINAHL, Scopus, and Cochrane databases, yielding 1791 articles. Articles were screened using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines against inclusion criteria and underwent Methodological Index for Non-Randomized Studies (MINORS) methodologic quality assessment. Repair constructs evaluated were classified based on repair technique, use of a transtibial augmentation, and the number, orientation, and pattern of stitches. Results published across different studies were compared but not subjected to meta-analysis due to variability in testing procedures and heterogeneity of repair methods. RESULTS We identified 20 studies that performed mechanical testing on 21 different radial meniscal tear repair techniques. The greatest reported mean load-to-failure (LtF) were the transtibial 2-tunnel + 4 horizontal inside-out sutures (191.2 N ± 17.3, cadaver) and all-inside double vertical repair (146.3 N ± 36.2, porcine). The transtibial technique improved LtF and displacement of an inside-out (IO) horizontal repair. All-inside vertical repairs demonstrated greater LtF, stiffness, and displacement compared with IO horizontal repairs in 2 studies. Compared with IO double horizontal repairs, all-inside double vertical or IO double horizontal repairs with reinforcing stitches parallel to the tear exhibited greater LtF in 3 studies and stiffness in 2 studies. Two studies reported that parallel reinforcing stitches significantly reduced suture tear-through compared with similar, nonreinforced repairs. Mean MINORS score for all studies analyzed was 19.88 ± 1.47 points. CONCLUSIONS A systematic review demonstrated that there may be alternatives to traditional IO horizontal repairs for radial meniscus tears. Less-invasive all-inside vertical techniques reinforced with suture parallel to the tear instead of standard IO horizontal sutures may improve strength of repair. In addition, transtibial 2-tunnel augmentation may also increase strength of radial meniscus tear repairs. CLINICAL RELEVANCE There may be alternatives to IO horizontal repairs for radial meniscus tears.
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Affiliation(s)
- James Oosten
- College of Medicine, Ohio State University, Columbus, Ohio, U.S.A
| | - Robert Yoder
- College of Medicine, Ohio State University, Columbus, Ohio, U.S.A
| | - Alex DiBartola
- Department of Orthopedics, Wexner Medical Center, Ohio State University, Columbus, Ohio, U.S.A
| | - Josh Bowler
- Department of Orthopedics, Wexner Medical Center, Ohio State University, Columbus, Ohio, U.S.A
| | - Alex Sparks
- College of Medicine, Ohio State University, Columbus, Ohio, U.S.A
| | - Robert Duerr
- Department of Orthopedics, Wexner Medical Center, Ohio State University, Columbus, Ohio, U.S.A
| | - Robert Magnussen
- Department of Orthopedics, Wexner Medical Center, Ohio State University, Columbus, Ohio, U.S.A
| | - Christopher Kaeding
- Department of Orthopedics, Wexner Medical Center, Ohio State University, Columbus, Ohio, U.S.A
| | - David Flanigan
- Department of Orthopedics, Wexner Medical Center, Ohio State University, Columbus, Ohio, U.S.A..
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Vasta S, Papalia R, Albo E, Maffulli N, Denaro V. Top orthopedic sports medicine procedures. J Orthop Surg Res 2018; 13:190. [PMID: 30064451 PMCID: PMC6069744 DOI: 10.1186/s13018-018-0889-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Accepted: 07/12/2018] [Indexed: 12/14/2022] Open
Abstract
Orthopedic sports medicine is a subspecialty of Orthopedics that focuses on managing pathological conditions of the musculoskeletal system arising from sports practice. When dealing with athletes, timing is the most difficult issue to face. Typically, athletes aim to return to play as soon as possible and at the pre-injury level. This means that management should be optimized to combine the need for prompt return to sport and to the biologic healing time of the musculo-skeletal. This poses a great challenge to sport medicine surgeons, who need to follow with attention to the latest scientific evidence to offer their patients the best available treatment options. We briefly review the most commonly performed orthopedic sports medicine procedures, outlining the presently available scientific evidence on their indications and outcomes.
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Affiliation(s)
- Sebastiano Vasta
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico, University of Rome, Via Alvaro del Portillo, 200, Rome, Italy
| | - Rocco Papalia
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico, University of Rome, Via Alvaro del Portillo, 200, Rome, Italy.
| | - Erika Albo
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico, University of Rome, Via Alvaro del Portillo, 200, Rome, Italy
| | - Nicola Maffulli
- Department of Musculoskeletal Disorders, University of Salerno School of Medicine, Salerno, Italy.,Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Mile End Hospital, London, UK
| | - Vincenzo Denaro
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico, University of Rome, Via Alvaro del Portillo, 200, Rome, Italy
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Astur DC, Pavei BS, Kaleka CC, Cohen M. Multiple hybrid sutures of bucket handle injury on the lateral and medial meniscus of the knee. BMJ Case Rep 2017; 2017:bcr-2017-222232. [PMID: 29170181 DOI: 10.1136/bcr-2017-222232] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
The objective of the study is to show possibilities of several combinations of suture techniques in a rare bicompartmental bucket handle injury. According to specific injury characteristics, combined suturing techniques were used. The option for different meniscal suture techniques in the two knee compartments allowed the patient, after completing the treatment, to return to his activities with a preserved meniscus. Although meniscectomy continues to be a chosen technique in bucket handle injury, we attempted to show a case of bicompartmental meniscal suture with different techniques. In this, which could be a case of rapid resolution and quick return to activities with bicompartmental meniscectomy, we chose to preserve the menisci with more complex techniques and longer rehabilitation, believing that the preservation of this structure could be extremely valuable in the long term.
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Affiliation(s)
- Diego Costa Astur
- Departamento de Ortopedia e Traumatologia from UNIFESP/EPM, Universidade Federal de São Paulo, CETE- Centro de Traumatologia do Esporte, São Paulo, Brazil
| | | | | | - Moises Cohen
- Orthopaedic and Traumatology Department, Universidade Federal de São Paulo, CETE - Centro de Traumatologia do Esporte, São Paulo, Brazil
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