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Chen K, Aggarwal S, Baker H, Athiviraham A. Biologic Augmentation of Isolated Meniscal Repair. Curr Rev Musculoskelet Med 2024; 17:223-234. [PMID: 38652368 PMCID: PMC11156815 DOI: 10.1007/s12178-024-09898-8] [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] [Accepted: 04/13/2024] [Indexed: 04/25/2024]
Abstract
PURPOSE OF REVIEW The limited blood supply and intrinsic healing capacity of the meniscus contributes to suboptimal tissue regeneration following injury and surgical repair. Biologic augmentation techniques have been utilized in combination with isolated meniscal repair to improve tissue regeneration. Several innovative strategies such as Platelet-Rich Plasma (PRP), fibrin clots, mesenchymal stem cells (MSCs), bone marrow stimulation, meniscal scaffolds, and meniscal wrapping, are being explored to enhance repair outcomes. This article provides a comprehensive review of recent findings and conclusions regarding biologic augmentation techniques. RECENT FINDINGS Studies on PRP reveal mixed outcomes, with some suggesting benefits in reducing failure rates of isolated meniscal repair, while others question its efficacy. Fibrin clots and PRF (Platelet-rich fibrin), although promising, show inconsistent results and lack sufficient evidence for definitive conclusions. MSCs demonstrate potential in preclinical studies, but clinical trials have been limited and inconclusive. Bone marrow stimulation appears effective in certain contexts, but its broader applicability remains uncertain. Meniscal scaffolds, including CMI (Collagen Meniscal Implants) and Actifit (polyurethane scaffolds), show encouraging short- and mid-term outcomes but have not consistently surpassed traditional methods in the long term. Meniscal wrapping is infrequently studied but demonstrates positive short-term results with certain applications. The review reveals a diverse range of outcomes for biologic augmentation in meniscal repair. While certain techniques show promise, particularly in specific scenarios, the overall efficacy of these methods has yet to reach a consensus. The review underscores the necessity for standardized, high-quality research to establish the definitive effectiveness of these biologic augmentation methods.
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Affiliation(s)
- Kevin Chen
- Pritzker School of Medicine, University of Chicago, Chicago, IL, USA
| | - Sarthak Aggarwal
- Pritzker School of Medicine, University of Chicago, Chicago, IL, USA
| | - Hayden Baker
- Department of Orthopaedic Surgery and Rehabilitation Medicine, University of Chicago, 5841 S. Maryland Ave MC 3079, Chicago, IL, 60637, USA
| | - Aravind Athiviraham
- Department of Orthopaedic Surgery and Rehabilitation Medicine, University of Chicago, 5841 S. Maryland Ave MC 3079, Chicago, IL, 60637, USA.
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Schwach M, Grange S, Klasan A, Putnis S, Philippot R, Neri T. MRI Criteria for Healing at 1 Year After Repair of a Traumatic Meniscal Tear. Am J Sports Med 2023; 51:3693-3700. [PMID: 37960860 DOI: 10.1177/03635465231207838] [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] [Indexed: 11/15/2023]
Abstract
BACKGROUND Meniscal repair for a traumatic meniscal tear is increasingly used to preserve the meniscus. Interpreting postoperative magnetic resonance imaging (MRI) scans remains challenging, especially in symptomatic patients. There is a lack of reliable MRI criteria to affirm the healed character of a traumatic meniscal injury repair. PURPOSE To identify relevant MRI criteria for meniscal healing after meniscal repair. STUDY DESIGN Case series; Level of evidence, 4. METHODS We prospectively included all patients with a traumatic meniscal injury who underwent either an isolated meniscal repair or a repair during a concomitant anterior cruciate ligament reconstruction. A standardized preoperative and postoperative clinical evaluation was performed, along with collection of functional scores-Knee injury and Osteoarthritis Outcome Score, International Knee Documentation Committee, Lysholm Score, and 36-Item Short Form Health Survey. An MRI scan was performed 1 year postoperatively and compared with the preoperative MRI scan. The following MRI aspects were analyzed: variation of morphology and fat-saturated (FS) T2 intensity signal and pre- and postoperative tear diastasis measurement. RESULTS Fifty patients (age, mean ± SD, 28.7 ± 8.5 years [range, 16-45 years]) who were 1 year postoperative were included. All patients were considered clinically healed had the same MRI characteristics. A signal change (FS T2) was observed from a high signal intensity fluid to a nonfluid moderate signal intensity. The morphology of the lesion was more complex: from the initial lesion, line ramifications appeared, creating the appearance of tree branches. The tear diastasis decreased (from 2.3 ± 0.5 mm [range, 1.3-3.5] to 1.1 ± 0.28 mm [range, 0.5-1.5]). CONCLUSION MRI criteria confirming meniscal healing after traumatic meniscal repair at 1 year were identified: a change in the intrameniscal signal becoming nonfluid and moderate in intensity; a reduction in tear diastasis to <1.5 mm; and a change in the signal morphology of the repaired meniscus.
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Affiliation(s)
- Maxime Schwach
- Orthopedic Surgery and Traumatology Department, University Hospital of Saint-Etienne, Saint Etienne, France
| | - Sylvain Grange
- Department of Radiology, University Hospital of Saint-Etienne, Saint Etienne, France
| | | | - Sven Putnis
- Avon Orthopedic Center, Southmead Hospital, Bristol, UK
| | - Rémi Philippot
- Orthopedic Surgery and Traumatology Department, University Hospital of Saint-Etienne, Saint Etienne, France
- Laboratory of Human Movement Biology, University of Lyon, University Jean Monnet, Saint Etienne, France
| | - Thomas Neri
- Orthopedic Surgery and Traumatology Department, University Hospital of Saint-Etienne, Saint Etienne, France
- Laboratory of Human Movement Biology, University of Lyon, University Jean Monnet, Saint Etienne, France
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Sánchez M, Jorquera C, Bilbao AM, García S, Beitia M, Espregueira-Mendes J, González S, Oraa J, Guadilla J, Delgado D. High survival rate after the combination of intrameniscal and intraarticular infiltrations of platelet-rich plasma as conservative treatment for meniscal lesions. Knee Surg Sports Traumatol Arthrosc 2023; 31:4246-4256. [PMID: 37302993 DOI: 10.1007/s00167-023-07470-4] [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: 02/20/2023] [Accepted: 05/30/2023] [Indexed: 06/13/2023]
Abstract
PURPOSE To evaluate the efficacy of applying a combination of intrameniscal and intraarticular infiltrations of Platelet-Rich Plasma (PRP) in patients with meniscal tears, analyzing its failure rate and clinical evolution, as well as factors that may influence the positive response to this treatment. METHODS Three hundred and ninety-two cases out of 696 met the inclusion criteria and were included in this work. Survival and patient-reported outcome measure (PROM) were collected and analyzed. Survival rate was defined as the percentage of patients who did not undergo meniscus surgery during their follow-up time. Patients were asked to complete the Knee injury and Osteoarthritis Outcome Score (KOOS) at baseline, 6 months and 18 months. Other patient- and pathology-related variables were collected. Blood and PRP samples were randomly tested as a quality control measure. Survival and comparative statistical tests, and multivariate regression were performed for the analysis of the variables. RESULTS The PRP applied had a platelet concentration factor of 1.9X in respect to blood levels, with no leukocytes or erythrocytes. Thirty-eight patients required surgical intervention after treatment reaching a survival rate of 90.3% with an estimated mean survival time of 54.4 months. The type of injury (P = 0.002) and the presence of chondropathy were risk factors for surgical intervention after PRP treatment (P = 0.043). All KOOS scores showed a significant statistical increase from baseline to 6 months (N = 93) and 18 months (N = 66) (P < 0.0001). The number of cases with minimal clinically important improvement (MCII) at 6 months and 18 months post-treatment was 65 (69.9%) and 43 (65.2%), respectively. CONCLUSION The combination of intrameniscal and intraarticular PRP infiltrations is a valid conservative treatment for meniscal injuries avoiding the need for surgical intervention. Its efficacy is higher in horizontal tears and decreases when joint degeneration is present. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- Mikel Sánchez
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, Spain
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, C/Beato Tomás de Zumárraga 10, 01008, Vitoria-Gasteiz, Spain
| | - Cristina Jorquera
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, C/Beato Tomás de Zumárraga 10, 01008, Vitoria-Gasteiz, Spain
| | - Ane Miren Bilbao
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, Spain
| | - Saínza García
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, C/Beato Tomás de Zumárraga 10, 01008, Vitoria-Gasteiz, Spain
| | - Maider Beitia
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, C/Beato Tomás de Zumárraga 10, 01008, Vitoria-Gasteiz, Spain
| | - João Espregueira-Mendes
- Clínica Espregueira-FIFA Medical Centre of Excellence, Porto, Portugal
- Dom Henrique Research Centre, Porto, Portugal
- School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Barco, Guimarães, Portugal
| | - Sergio González
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, Spain
| | - Jaime Oraa
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, Spain
| | - Jorge Guadilla
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, Spain
| | - Diego Delgado
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, C/Beato Tomás de Zumárraga 10, 01008, Vitoria-Gasteiz, Spain.
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Achieving effective long-term therapeutic results in the treatment of chronic pain of musculoskeletal origin: the place of regenerative medicine. MANUELLE MEDIZIN 2023. [DOI: 10.1007/s00337-022-00934-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Rodriguez AN, Reist H, Liechti DJ, Geeslin AG, LaPrade RF. Shuttling Technique for Directed Fibrin Clot Placement During Augmented Inside-Out Repair of Horizontal Meniscus Tears. Arthrosc Tech 2022; 11:e2205-e2211. [PMID: 36632380 PMCID: PMC9827034 DOI: 10.1016/j.eats.2022.08.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 08/15/2022] [Indexed: 11/19/2022] Open
Abstract
More meniscus tears are being repaired because this has been shown to delay the onset of osteoarthritis compared with partial meniscectomy. However, there still remains a subset of tears that may be viewed as less amenable to repair due to poorer healing potential. Fibrin clots have been used to augment healing for meniscus tears located in avascular regions due to their potential to promote healing and ability to be easily prepared at a low cost. Placement of fibrin clots within a meniscus repair can be technically challenging. Here, we describe a technique for placing a fibrin clot within a meniscus tear site repaired with an inside-out technique. A passing suture through the tear aids to shuttle the fibrin clot into the tear site and is then secured within the tear by tying down the repair sutures around the clot. This technique is efficient, less technically demanding, and can be accomplished without additional specialized instruments.
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Affiliation(s)
- Ariel N. Rodriguez
- Twin Cities Orthopedics Crosstown-Edina, Edina, Minnesota, U.S.A.,Georgetown University School of Medicine, Washington, DC, U.S.A
| | - Hailee Reist
- University of Vermont Medical Center, Burlington, Vermont, U.S.A
| | | | | | - Robert F. LaPrade
- University of Vermont Medical Center, Burlington, Vermont, U.S.A.,Address correspondence to Robert F. LaPrade, M.D., Ph.D., Twin Cities Orthopedics, Edina-Crosstown, 4010 W 65th St., Edina, MN 55435, U.S.A.
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Abstract
Meniscal lesions often occur in association with anterior cruciate ligament (ACL) tears at the moment of the injury or, secondarily, as a consequence of knee instability. Both ACL and meniscus lesions are associated with a higher risk of osteoarthritis. Adequate treatment of these lesions reduces the rate of degenerative changes in the affected knee. Meniscal tears should be addressed concomitantly with ACL reconstruction and the treatment must be oriented towards preserving the meniscal tissue anytime this is possible. Several options for approaching a meniscus tear are available. The meniscal suture should always be considered, and, if possible, meniscectomy should be the last choice. “Masterly neglect” is a valuable option in selected cases.
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