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Wellington IJ, Hawthorne BC, Ford B, Dorsey CG, Quindlen KJ, Propp BE, Obopilwe E, Cagle PJ, Mazzocca AD. Biomechanical Efficacy of Tape Cerclage as an Augment or Stand-alone for Coracoclavicular Ligament Reconstruction. Am J Sports Med 2023; 51:198-204. [PMID: 36412536 DOI: 10.1177/03635465221134812] [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: 11/23/2022]
Abstract
BACKGROUND Loss of initial reduction of the acromioclavicular joint after coracoclavicular (CC) ligament reconstruction remains a challenge for various repair techniques. Previous studies using polydioxanone suture cerclage augments for CC ligament reconstruction demonstrated poor clinical and biomechanical outcomes. Tape-style sutures have recently gained popularity because of their added stiffness and strength relative to traditional sutures. These tape cerclage systems have yet to be biomechanically studied in CC ligament reconstruction. PURPOSE To determine the efficacy of a tape cerclage system as an augment to CC ligament reconstruction. STUDY DESIGN Controlled laboratory study. METHODS A total of 24 human cadaveric shoulders were utilized. These were divided into 4 repair groups: anatomic CC ligament reconstruction (ACCR), ACCR with a tape cerclage augment (ACCR + C), tendon graft sling with a cerclage augment (TGS + C), or tape cerclage sling alone (CS). The repairs underwent superior/inferior cyclic loading to evaluate for displacement. Specimens were visually inspected for cortical erosion by the tape cerclage after cyclic loading. Finally, the constructs underwent superior plane load-to-failure testing. RESULTS Less displacement after cyclic loading was observed in the ACCR + C (mean ± SD, 0.42 ± 0.32 mm), TGS + C (0.92 ± 0.42 mm), and CS (0.93 ± 0.39 mm) groups as compared with the ACCR group (4.42 ± 3.40 mm; P = .002). ACCR + C (813.3 ± 257.5 N), TGS + C (558.0 ± 120.7 N), and CS (759.5 ± 173.7 N) demonstrated significantly greater load at failure relative to ACCR (329.2 ± 118.2 N) (P < .001). ACCR + C (60.88 ± 17.3 N/mm), TGS + C (44.97 ± 9.15 N/mm), and CS (54.52 ± 14.24 N/mm) conferred greater stiffness than ACCR (27.43 ± 6.94 N/mm) (P = .001). No cortical erosion was demonstrated in any specimen after cyclic loading. CONCLUSION In a cadaveric model at time zero, repairs utilizing a tape cerclage system confer significantly greater load to failure and stiffness, as well as decreased displacement with cyclic loading, when compared with traditional ACCR repair. CLINICAL RELEVANCE Tape cerclage augmentation may provide a useful augment for CC ligament reconstruction.
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Affiliation(s)
- Ian J Wellington
- University of Connecticut Health Center, Farmington, Connecticut, USA
| | | | - Brian Ford
- University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Caitlin G Dorsey
- University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Kevin J Quindlen
- University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Bennett E Propp
- University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Elifho Obopilwe
- University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Paul J Cagle
- Mount Sinai Hospital, New York City, New York, USA
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Verstraete O, Van Tongel A, De Wilde L, Peeters I. Acromioclavicular reconstruction techniques after acromioclavicular joint injuries: A systematic review of biomechanical studies. Clin Biomech (Bristol, Avon) 2023; 101:105847. [PMID: 36521410 DOI: 10.1016/j.clinbiomech.2022.105847] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 11/19/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND Residual horizontal instability after surgical treatment for acromioclavicular joint injuries is seen as a potential cause of suboptimal clinical outcomes. Biomechanical studies have demonstrated that the acromioclavicular capsule/ligaments are the primary restraints for anteroposterior translation. However, limited studies have addressed the biomechanics of a reconstruction of the acromioclavicular capsule/ligaments. The aim of this systematic review was to evaluate the biomechanical role of acromioclavicular capsule/ligament reconstruction techniques after an acromioclavicular joint injury. METHODS A search was carried out on the databases Medline and EMBASE, and was conducted according to the PRISMA guidelines. Biomechanical studies addressing horizontal and vertical displacement or joint stiffness after reconstructing the acromioclavicular capsule/ligament with or without coracoclavicular ligament reconstruction, were included. FINDINGS Nineteen studies were included in this review after screening and eligibility assessment. Five of them investigated different sole acromioclavicular capsule/ligament reconstruction techniques. In 10 studies, a sole coracoclavicular ligament reconstruction was compared to a coracoclavicular ligament reconstruction with additional acromioclavicular capsule/ligament reconstruction. The remaining 4 studies compared different acromioclavicular capsule/ligament with coracoclavicular reconstruction techniques with each other. INTERPRETATION Several testing protocols to evaluate acromioclavicular capsule/ligament reconstruction have been described and can make it difficult to compare the results of the different studies. Acromioclavicular capsule/ligament reconstruction may provide increased anteroposterior and rotational stability but an optimal reconstruction technique, which mimics all biomechanical characteristics of the native joint is not yet available.
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Affiliation(s)
- Olivier Verstraete
- Department of Orthopaedic Surgery and Traumatology, Ghent University Hospital, Corneel Heymanslaan 10, B-9000 Ghent, Belgium.
| | - Alexander Van Tongel
- Department of Orthopaedic Surgery and Traumatology, Ghent University Hospital, Corneel Heymanslaan 10, B-9000 Ghent, Belgium
| | - Lieven De Wilde
- Department of Orthopaedic Surgery and Traumatology, Ghent University Hospital, Corneel Heymanslaan 10, B-9000 Ghent, Belgium
| | - Ian Peeters
- Department of Orthopaedic Surgery and Traumatology, Ghent University Hospital, Corneel Heymanslaan 10, B-9000 Ghent, Belgium
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Berthold DP, Muench LN, Dyrna F, Mazzocca AD, Garvin P, Voss A, Scheiderer B, Siebenlist S, Imhoff AB, Beitzel K. Current concepts in acromioclavicular joint (AC) instability - a proposed treatment algorithm for acute and chronic AC-joint surgery. BMC Musculoskelet Disord 2022; 23:1078. [PMID: 36494652 PMCID: PMC9733089 DOI: 10.1186/s12891-022-05935-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 10/30/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND There exists a vast number of surgical treatment options for acromioclavicular (AC) joint injuries, and the current literature has yet to determine an equivocally superior treatment. AC joint repair has a long history and dates back to the beginning of the twentieth century. MAIN BODY Since then, over 150 different techniques have been described, covering open and closed techniques. Low grade injuries such as Type I-II according to the modified Rockwood classification should be treated conservatively, while high-grade injuries (types IV-VI) may be indicated for operative treatment. However, controversy exists if operative treatment is superior to nonoperative treatment, especially in grade III injuries, as functional impairment due to scapular dyskinesia or chronic pain remains concerning following non-operative treatment. Patients with a stable AC joint without overriding of the clavicle and without significant scapular dysfunction (Type IIIA) may benefit from non-interventional approaches, in contrast to patients with overriding of the clavicle and therapy-resistant scapular dysfunction (Type IIIB). If these patients are considered non-responders to a conservative approach, an anatomic AC joint reconstruction using a hybrid technique should be considered. In chronic AC joint injuries, surgery is indicated after failed nonoperative treatment of 3 to 6 months. Anatomic AC joint reconstruction techniques along with biologic augmentation (e.g. Hybrid techniques, suture fixation) should be considered for chronic high-grade instabilities, accounting for the lack of intrinsic healing and scar-forming potential of the ligamentous tissue in the chronic setting. However, complication and clinical failure rates remain high, which may be a result of technical failures or persistent horizontal and rotational instability. CONCLUSION Future research should focus on addressing horizontal and rotational instability, to restore native physiological and biomechanical properties of the AC joint.
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Affiliation(s)
- Daniel P. Berthold
- grid.6936.a0000000123222966Department of Orthopaedic Sports Medicine, Technical University of Munich, Ismaninger Str. 22, 81675 Munich, Germany ,grid.411095.80000 0004 0477 2585Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany
| | - Lukas N. Muench
- grid.6936.a0000000123222966Department of Orthopaedic Sports Medicine, Technical University of Munich, Ismaninger Str. 22, 81675 Munich, Germany
| | - Felix Dyrna
- Department of Trauma, Hand and Reconstructive Surgery University Hospital Münster, Munich, Germany
| | - Augustus D. Mazzocca
- grid.32224.350000 0004 0386 9924Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114 USA
| | - Patrick Garvin
- grid.32224.350000 0004 0386 9924Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114 USA
| | - Andreas Voss
- grid.7727.50000 0001 2190 5763Department of Trauma Surgery, University Regensburg, Regensburg, Germany
| | - Bastian Scheiderer
- grid.6936.a0000000123222966Department of Orthopaedic Sports Medicine, Technical University of Munich, Ismaninger Str. 22, 81675 Munich, Germany
| | - Sebastian Siebenlist
- grid.6936.a0000000123222966Department of Orthopaedic Sports Medicine, Technical University of Munich, Ismaninger Str. 22, 81675 Munich, Germany
| | - Andreas B. Imhoff
- grid.6936.a0000000123222966Department of Orthopaedic Sports Medicine, Technical University of Munich, Ismaninger Str. 22, 81675 Munich, Germany
| | - Knut Beitzel
- Arthroscopy and Orthopedic Sportsmedicine, ATOS Orthoparc Clinic, Cologne, Germany
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Srimongkolpitak S, Apivatgaroon A, Chernchujit B, Atiprayoon S. Arthroscopic-Assisted Coracoclavicular Stabilization With Anchorless Transosseous Double-Row Acromioclavicular Ligament Complex Repair: The Acute Acromioclavicular Joint Dislocation. Arthrosc Tech 2022; 11:e1649-e1659. [PMID: 36185118 PMCID: PMC9520079 DOI: 10.1016/j.eats.2022.05.012] [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: 04/05/2022] [Accepted: 05/20/2022] [Indexed: 02/03/2023] Open
Abstract
The current concept procedures in the acute acromioclavicular joint dislocation should be divided into 2 types of structure restoration: those that provide coracoclavicular stabilization, which affects the primary healing of the coracoclavicular ligaments by vertically stabilizing the clavicle and coracoid in their anatomical positions, and those that attempt to repair the superior acromioclavicular ligament complex, which controls both horizontal and rotational stabilization. The acute acromioclavicular joint dislocation clinical outcome will be achieved if you perform both procedures. It's difficult to stabilize the acromioclavicular joint in both vertical and horizontal planes, and most current techniques aren't always effective. In this Technical Note, we discuss an arthroscopic-assisted technique that reconstructs the coracoclavicular and acromioclavicular ligaments under image intensifier guidance to achieve bidirectional (vertical and horizontal) and rotational stability.
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Affiliation(s)
- Surasak Srimongkolpitak
- Department of Orthopedics, Faculty of Medicine, Queen Savang Vadhana Memorial Hospital, Sriracha, Chonburi,Address correspondence to Surasak Srimongkolpitak, M.D., Department of Orthopedics, Faculty of Medicine, Queen Savang Vadhana Memorial Hospital, 209 Jermjormpol Road, Si Racha District, Chon Buri Province 20110, Sriracha, Chonburi, Thailand.
| | - Adinun Apivatgaroon
- Department of Orthopedics, Faculty of Medicine, Thammasat University, Pathum Thani, Thailand
| | - Bancha Chernchujit
- Department of Orthopedics, Faculty of Medicine, Thammasat University, Pathum Thani, Thailand
| | - Surapon Atiprayoon
- Department of Orthopedics, Faculty of Medicine, Queen Savang Vadhana Memorial Hospital, Sriracha, Chonburi
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Mid-Term Outcomes of Arthroscopically-Assisted Anatomic Coracoclavicular Ligament Reconstruction Using Tendon Allograft for High-Grade Acromioclavicular Joint Dislocations. Arthroscopy 2021; 37:3025-3035. [PMID: 33940129 DOI: 10.1016/j.arthro.2021.04.035] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 04/07/2021] [Accepted: 04/15/2021] [Indexed: 02/06/2023]
Abstract
PURPOSE The purposes of this study were to assess clinical and radiographic outcomes of arthroscopically-assisted, anatomic coracoclavicular ligament reconstruction using tendon allograft (AA-ACCR) for the treatment of Rockwood type III-V injuries at minimum 2-year follow-up and to perform subgroup analyses of clinical and radiographic outcomes for acute versus chronic and type III versus type IV-V injuries. METHODS In this retrospective study of prospectively collected data, patients who underwent primary AA-ACCR for the treatment of type III-V dislocations and had minimum 2-year follow-up were included. Preoperative and postoperative patient-reported outcome scores (PROs) were collected, including American Shoulder and Elbow Surgeons score, Single Numeric Assessment Evaluation score, Short Form-12 Physical Component Summary, Quick Disabilities of the Arm Shoulder and Hand score, and patient satisfaction. Preoperative and postoperative coracoclavicular distance (CCD) was obtained. PROs and CCD were reported for the total cohort and for the subgroups. Complication and revision rates were demonstrated. RESULTS In total, 102 patients (10 women, 92 men) with a mean age of 45.0 years (range, 18-73 years) were included. There were 13 complications (12.7%) resulting in revision surgery. After exclusion of revised patients, PROs were available for 69 (77.5%). At mean follow-up of 4.7 years (range, 2.0-12.8 years), all PROs improved significantly (P < .001). Median patient satisfaction was 9.0 (interquartile range, 8.0-10.0). Median preoperative to postoperative CCD decreased significantly (P < .001). Subgroup analyses revealed significant improvements in all PROs and CCD from preoperative to postoperative for both acute and chronic, and type III and type IV-V dislocations (P < .05) with no significant differences in postoperative PROs and satisfaction between (P > .05). CONCLUSION AA-ACCR for high-grade acromioclavicular joint injuries resulted in high postoperative PROs and patient satisfaction with significant improvements from before to after surgery in those who did not undergo revision surgery. Furthermore, subgroup analyses revealed that acute and chronic, and type III and type IV-V injuries benefitted similarly from AA-ACCR. LEVEL OF EVIDENCE Level IV; therapeutic case series.
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Marín Fermín T, Hovsepian JM, Rodrigues Fernandes VM, Terzidis I, Papakostas E, Koh J. Nonanatomic and Suture-Based Coracoclavicular Joint Stabilization Techniques Provide Adequate Stability at a Lower Cost of Implants in Biomechanical Studies When Compared With Anatomic Techniques: A Systematic Review and Meta-Analysis. Arthrosc Sports Med Rehabil 2021; 3:e573-e591. [PMID: 34027471 PMCID: PMC8129474 DOI: 10.1016/j.asmr.2020.12.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 12/29/2020] [Indexed: 12/03/2022] Open
Abstract
Purpose To compare the stability and cost of the used implants in nonanatomic and anatomic acromioclavicular joint repair/reconstruction (ACCR) techniques tested in cadaveric shoulder biomechanical studies during the last decade. Methods A systematic review and meta-analysis were performed following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines and prospectively registered in PROSPERO. Two independent reviewers searched PubMed, Embase, and Virtual Health Library databases. Studies evaluating 3-direction stability under 70-N loads and load-to-failure protocols with servohydraulic testing systems were included. A meta-analysis of the mean differences of anterior, posterior, and superior direction; relative stability value in 3 directions; superior direction load-to-failure; stability/cost index; and load-to-failure/cost index was performed using a continuous random-effects model and 95% confidence interval. Results Eighteen articles were included. Both non-ACCR and ACCR techniques exceeded the minimum acceptable threshold of stability and load-to-failure. ACCR techniques were biomechanically better in terms of anterior stability (P = .04) and relative stability value (mean difference 64.08%, P = .015). However, supraphysiological stability and failure loads were achieved with non-ACCR techniques at a lower cost of implants. Techniques combining 2 clavicular tunnels separated by at least 10 mm, a mean of 2 sutures, and/or suture tapes had the greatest stability/cost index and load-to-failure/cost index among the included techniques (confidence interval 99%). Conclusions Non-ACCR and ACCR techniques exceeded the minimum acceptable threshold of stability and failure loads in controlled biomechanical testing. However, non-ACCR and techniques combining 2 clavicular tunnels separated by at least 10 mm, a mean of 2 sutures, and/or suture tapes provide supraphysiologic stability and failure loads at a lower cost of implants. Clinical Relevance Non-ACCR and suture-based techniques may provide more cost-effective and greater value treatment for acromioclavicular joint injury and could be considered in the surgical management of normal activity individuals and cost-sensitive populations.
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Affiliation(s)
- Theodorakys Marín Fermín
- Department of Traumatology. Hospital Periférico de Coche “Dr. Leopoldo Manrique Terrero,” Caracas, Venezuela
- TheMIS Orthopaedic Center, Thessaloniki, Greece
- Address correspondence to Theodorakys Marín Fermín, M.D., Hospital Periférico de Coche “Dr. Leopoldo Manrique Terrero,” Av. Intercomunal con calle Zea, Coche, PO: 1090, Caracas, Venezuela.
| | - Jean Michel Hovsepian
- Department of Orthopaedic Sports Medicine, Chirurgisches Klinikum München Süd, Munich, Germany
| | | | | | - Emmanouil Papakostas
- TheMIS Orthopaedic Center, Thessaloniki, Greece
- Aspetar Orthopedic and Sports Medicine Hospital, Doha, Qatar
| | - Jason Koh
- NorthShore University Health System, Evanston; University of Chicago Pritzker School of Medicine, Chicago; and Northwestern University School of Engineering. Evanston, Illinois, U.S.A
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Celik H, Chauhan A, Flores-Hernandez C, Dorthe E, D'Lima D, Hoenecke H. Sagittal orientation of coracoclavicular ligament reconstruction affects the stability of surgical repair. J Shoulder Elbow Surg 2020; 29:1901-1911. [PMID: 32197809 DOI: 10.1016/j.jse.2019.11.034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 11/14/2019] [Accepted: 11/23/2019] [Indexed: 02/01/2023]
Abstract
BACKGROUND The variation in the anatomic relationship between the coracoid and the clavicle affects the biomechanical stability of coracoclavicular ligament reconstruction (CCLR). METHODS Three-dimensional computed tomography reconstruction of 85 patients was analyzed. Anatomic landmarks were used to derive the coracoclavicular sagittal reconstruction angle (sRA). The lateral concave angle, which indicated the shape of the distal clavicle, and the offsets between the clavicle and coracoid were also measured. To investigate the biomechanical effects of the sRA on CCLR, 7 computed tomography scans with different sRAs were 3D printed. Two reconstructions, a single trans-coracoclavicular tunnel and a looped reconstruction technique, were performed sequentially. Models were cyclically loaded at 70 N in the anterior, posterior, and superior directions. RESULTS The mean sRA was 68° ± 9.3° (range, 47°-85°). The superoinferior offset between the clavicle and the coracoid and the lateral concave angle positively correlated with the sRA (r = 0.359 and 0.837, respectively; P ≤ .001), whereas the anteroposterior offset had a negative correlation (r = -0.925; P < .001). The sRA had a negative correlation with the anterior displacement of the clavicle (rho = -0.96; P < .001) and a positive correlation with the posterior displacement for both surgical techniques (rho = 1.0; P < .001). CONCLUSION The anatomic orientation of the native coracoclavicular ligaments is highly variable in the sagittal plane. Low sagittal angles can reduce anterior stability, whereas high sagittal angles can reduce posterior stability of CCLR.
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Affiliation(s)
- Haluk Celik
- Division of Sports Medicine, Department of Orthopaedic Surgery, Scripps Clinic, La Jolla, CA, USA; Shiley Center for Orthopaedic Research & Education (SCORE) at Scripps Clinic, La Jolla, CA, USA.
| | - Aakash Chauhan
- Division of Sports Medicine, Department of Orthopaedic Surgery, Scripps Clinic, La Jolla, CA, USA; Shiley Center for Orthopaedic Research & Education (SCORE) at Scripps Clinic, La Jolla, CA, USA
| | - Cesar Flores-Hernandez
- Shiley Center for Orthopaedic Research & Education (SCORE) at Scripps Clinic, La Jolla, CA, USA
| | - Erik Dorthe
- Shiley Center for Orthopaedic Research & Education (SCORE) at Scripps Clinic, La Jolla, CA, USA
| | - Darryl D'Lima
- Shiley Center for Orthopaedic Research & Education (SCORE) at Scripps Clinic, La Jolla, CA, USA
| | - Heinz Hoenecke
- Division of Sports Medicine, Department of Orthopaedic Surgery, Scripps Clinic, La Jolla, CA, USA; Shiley Center for Orthopaedic Research & Education (SCORE) at Scripps Clinic, La Jolla, CA, USA
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Celik H, Chauhan A, Flores-Hernandez C, Dorthe E, Goodine T, D'Lima D, Hoenecke H. Vertical and Rotational Stiffness of Coracoclavicular Ligament Reconstruction: A Biomechanical Study of 3 Different Techniques. Arthroscopy 2020; 36:1264-1270. [PMID: 32035171 DOI: 10.1016/j.arthro.2020.01.033] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 01/07/2020] [Accepted: 01/08/2020] [Indexed: 02/02/2023]
Abstract
PURPOSE To compare the biomechanical stability of 3 different coracoclavicular reconstruction techniques under rotational and vertical loading using a cadaveric model. METHODS In total, 12 cadaveric shoulders were used for testing. The native state was first tested then followed by 3 different reconstruction configurations using suture tapes and cortical buttons: coracoid loop (CL), single-bundle (SB), and double-bundle (DB). Superior displacement was measured by cycling an inferiorly directed force of 70 N to the scapula. The rotational stiffness of the scapula was determined by cycling the scapula in rotational displacement control between 15° of internal and external rotation. The rotational stiffness of the clavicle was determined by rotating the clavicle around its long axis 20° anteriorly and 30° posteriorly in rotational displacement control. All measurements were captured over 10 cycles at a rate of 200 Hz. RESULTS Both the CL and SB techniques demonstrated significantly less internal scapular rotation stiffness. (intact: 19.70 ± 9.07 cNm/deg, CL: 3.70 ± 2.63 cNm/deg, SB:4.30 ± 2.66 cNm/deg, P <.001) External scapular rotation stiffness was significantly decreased in all techniques (intact: 17.70 ± 4.43 cNm/deg, CL: 3.30 ± 1.37 cNm/deg, SB: 4.50 ± 1.56 cNm/deg, DB: 4.67 ± 1.99 cNm/deg, P < .001). The CL and SB reconstructions were significantly less stiff with regards to posterior rotation of the clavicle (intact: 5.60 ± 1.80 cNm/deg, CL: 2.90 ± 1.10 cNm/deg, SB: 1.40 ± 0.65 cNm/deg, P < .001). Anterior rotation stiffness of the clavicle was significantly lower in all of the reconstructions (intact: 6.95 ± 1.90 cNm/deg, CL: 3.08 ± 0.84 cNm/deg, SB: 3.64 ± 0.93 cNm/deg, DB: 4.48 ± 1.21 cNm/deg, P < .001). CONCLUSIONS None of the described techniques provided equivalent rotational stability in all planes compared with the native state. DB reconstruction presented stiffness characteristics closest to the native state under cyclic loading during internal scapular and posterior clavicular rotation. CLINICAL RELEVANCE Additional procedures such as tendon grafting or acromioclavicular ligament reconstruction may be required to control rotational stability.
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Affiliation(s)
- Haluk Celik
- Division of Sports Medicine, Department of Orthopaedic Surgery, Scripps Clinic, La Jolla, California, U.S.A.; Shiley Center for Orthopaedic Research & Education (SCORE), Scripps Clinic, La Jolla, California, U.S.A..
| | - Aakash Chauhan
- Division of Sports Medicine, Department of Orthopaedic Surgery, Scripps Clinic, La Jolla, California, U.S.A.; Shiley Center for Orthopaedic Research & Education (SCORE), Scripps Clinic, La Jolla, California, U.S.A
| | - Cesar Flores-Hernandez
- Shiley Center for Orthopaedic Research & Education (SCORE), Scripps Clinic, La Jolla, California, U.S.A
| | - Erik Dorthe
- Shiley Center for Orthopaedic Research & Education (SCORE), Scripps Clinic, La Jolla, California, U.S.A
| | - Thomas Goodine
- Division of Sports Medicine, Department of Orthopaedic Surgery, Scripps Clinic, La Jolla, California, U.S.A.; Shiley Center for Orthopaedic Research & Education (SCORE), Scripps Clinic, La Jolla, California, U.S.A
| | - Darryl D'Lima
- Shiley Center for Orthopaedic Research & Education (SCORE), Scripps Clinic, La Jolla, California, U.S.A
| | - Heinz Hoenecke
- Division of Sports Medicine, Department of Orthopaedic Surgery, Scripps Clinic, La Jolla, California, U.S.A.; Shiley Center for Orthopaedic Research & Education (SCORE), Scripps Clinic, La Jolla, California, U.S.A
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Masionis P, Šatkauskas I, Mikelevičius V, Ryliškis S, Bučinskas V, Griškevičius J, Martin Oliva X, Monzó Planella M, Porvaneckas N, Uvarovas V. Biomechanical evaluation of native acromioclavicular joint ligaments and two reconstruction techniques in the presence of the sternoclavicular joint: A cadaver study. J Orthop Surg (Hong Kong) 2018; 25:2309499017730424. [PMID: 28946836 DOI: 10.1177/2309499017730424] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Where is over 100 reconstruction techniques described for acromioclavicular (AC) joint reconstruction. Although, it is not clear whether the presence of the sternoclavicular (SC) joint influences the biomechanical properties of native AC ligaments and reconstruction techniques. The purpose of the present study was to investigate the biomechanical properties of native AC joint ligaments and two reconstruction techniques in cadavers with the SC joint still present. MATERIALS AND METHODS We tested eight fresh-frozen cadaver hemithoraces for superior translation (70 N load) and translation increment after 1000 cycles (loading from 20 to 70 N) in a controlled laboratory study. There were three testing groups created: native ligaments, the single coracoclavicular loop (SCL) technique, and the two coracoclavicular loops (TCL) technique. Superior translation was measured after static loading. Translation increment was calculated as the difference between superior translation after cyclic and static loading. RESULTS Native AC ligaments showed significantly lower translation than the SCL ( p = 0.023) and TCL ( p = 0.046) groups. The SCL had a significantly lower translation increment than native AC ligaments ( p = 0.028). There was no significant difference between reconstruction techniques in terms of translation ( p = 0.865) and translation increment ( p = 0.113). CONCLUSIONS Native AC joint ligaments had better static properties than both reconstruction techniques and worse dynamic biomechanical properties than the SCL technique. The SCL technique appeared to be more secure than the TCL technique. The presence of the SC joint did not have an observable influence on test results.
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Affiliation(s)
- Povilas Masionis
- 1 Medical Faculty, Clinic of Rheumatology, Traumatology Orthopaedic and Reconstructive Surgery, Centre of Orthopedics and Traumatology, Republican Vilnius University Hospital, Vilnius University, Vilnius, Lithuania
| | - Igoris Šatkauskas
- 1 Medical Faculty, Clinic of Rheumatology, Traumatology Orthopaedic and Reconstructive Surgery, Centre of Orthopedics and Traumatology, Republican Vilnius University Hospital, Vilnius University, Vilnius, Lithuania
| | - Vytautas Mikelevičius
- 1 Medical Faculty, Clinic of Rheumatology, Traumatology Orthopaedic and Reconstructive Surgery, Centre of Orthopedics and Traumatology, Republican Vilnius University Hospital, Vilnius University, Vilnius, Lithuania
| | - Sigitas Ryliškis
- 1 Medical Faculty, Clinic of Rheumatology, Traumatology Orthopaedic and Reconstructive Surgery, Centre of Orthopedics and Traumatology, Republican Vilnius University Hospital, Vilnius University, Vilnius, Lithuania
| | - Vytautas Bučinskas
- 2 Department of Mechatronics and Robotics, Vilnius Gediminas Technical University, Vilnius, Lithuania
| | - Julius Griškevičius
- 3 Department of Biomechanics, Vilnius Gediminas Technical University, Vilnius, Lithuania
| | - Xavier Martin Oliva
- 4 Medical Faculty, Department of Embryology and Human Anatomy, University of Barcelona, Barcelona, Spain
| | - Mariano Monzó Planella
- 4 Medical Faculty, Department of Embryology and Human Anatomy, University of Barcelona, Barcelona, Spain
| | - Narūnas Porvaneckas
- 1 Medical Faculty, Clinic of Rheumatology, Traumatology Orthopaedic and Reconstructive Surgery, Centre of Orthopedics and Traumatology, Republican Vilnius University Hospital, Vilnius University, Vilnius, Lithuania
| | - Valentinas Uvarovas
- 1 Medical Faculty, Clinic of Rheumatology, Traumatology Orthopaedic and Reconstructive Surgery, Centre of Orthopedics and Traumatology, Republican Vilnius University Hospital, Vilnius University, Vilnius, Lithuania
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Wang D, Bluth BE, Ishmael CR, Cohen JR, Wang JC, Petrigliano FA. Early complications of acromioclavicular joint reconstruction requiring reoperation. Knee Surg Sports Traumatol Arthrosc 2017; 25:2020-2024. [PMID: 27311450 DOI: 10.1007/s00167-016-4206-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2016] [Accepted: 06/08/2016] [Indexed: 01/20/2023]
Abstract
PURPOSE Prior studies have reported high complication rates with acromioclavicular joint reconstruction (ACJR). However, many of these reports have suffered from small sample sizes and inclusion of older surgical techniques. The purpose of this study was to determine the rates of early complications requiring reoperation in patients treated with ACJR. METHODS From 2007 to 2011, patients who were treated with ACJR were identified using the PearlDiver database, a large insurance database in the USA. The following reoperations were then queried from this patient cohort: irrigation and debridement within 30 days of index surgery, manipulation under anaesthesia (MUA) of the shoulder joint within 3 months of index surgery, and revision ACJR, distal clavicle excision, and removal of hardware within 6 months of index surgery. RESULTS In total, 2106 patients treated with ACJR were identified. The reoperation rates for irrigation and debridement, MUA, revision ACJR, distal clavicle excision, and removal of hardware were 2.6, 1.3, 4.2, 2.8, and 6.2 %, respectively. Patients ≥35 years of age and females more likely to undergo a reoperation after ACJR. Specifically, patients ≥35 years of age were more likely to undergo MUA and revision ACJR, while patients ≥50 years of age were more likely to undergo an irrigation and debridement. Females were more likely than males to undergo revision ACJR and distal clavicle excision. CONCLUSIONS Older patients and females were more likely to experience postoperative complications requiring reoperations, including revision ACJR, distal clavicle excision, and irrigation and debridement. By analysing a large cohort of patients across multiple centres and providers, this study provides valuable insight into the recent complication profiles of ACJR, allowing surgeons to appropriately counsel patients on the risks of these procedures. LEVEL OF EVIDENCE IV.
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Affiliation(s)
- Dean Wang
- Department of Orthopaedic Surgery, David Geffen School of Medicine, University of California, Los Angeles (UCLA), 10833 Le Conte Ave, 76-143 CHS, Box 956902, Los Angeles, CA, 90095-6902, USA.
| | - Benjamin E Bluth
- Department of Orthopaedic Surgery, David Geffen School of Medicine, University of California, Los Angeles (UCLA), 10833 Le Conte Ave, 76-143 CHS, Box 956902, Los Angeles, CA, 90095-6902, USA
| | - Chad R Ishmael
- Department of Orthopaedic Surgery, David Geffen School of Medicine, University of California, Los Angeles (UCLA), 10833 Le Conte Ave, 76-143 CHS, Box 956902, Los Angeles, CA, 90095-6902, USA
| | - Jeremiah R Cohen
- Department of Orthopaedic Surgery, David Geffen School of Medicine, University of California, Los Angeles (UCLA), 10833 Le Conte Ave, 76-143 CHS, Box 956902, Los Angeles, CA, 90095-6902, USA
| | - Jeffrey C Wang
- Orthopaedic Spine Service, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Frank A Petrigliano
- Department of Orthopaedic Surgery, David Geffen School of Medicine, University of California, Los Angeles (UCLA), 10833 Le Conte Ave, 76-143 CHS, Box 956902, Los Angeles, CA, 90095-6902, USA
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Acromioclavicular joint dislocations: coracoclavicular reconstruction with and without additional direct acromioclavicular repair. Knee Surg Sports Traumatol Arthrosc 2017; 25:2025-2031. [PMID: 26685688 DOI: 10.1007/s00167-015-3920-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Accepted: 11/30/2015] [Indexed: 10/22/2022]
Abstract
PURPOSE To evaluate different stabilisation techniques for acromioclavicular (AC) joint separations, including direct AC repair, and to compare the properties of the stabilised and native joints. METHODS An established in vitro testing model for the AC joint was used to analyse joint stability after surgical reconstruction [double TightRope (DTR), DTR with AC repair (DTR + AC), single TR with AC repair (TR + AC), and PDS sling with AC repair (PDS + AC)]. Twenty-four human cadaveric shoulders were randomised by age into four testing groups. Joint stiffness was measured by applying an axial load during defined physiological ranges of motion. Similar tests were performed for the native joints, after dissecting the coracoclavicular and AC ligaments, and after surgical reconstruction. Cyclic loading was performed for 1000 cycles with 20-70 N and vertical load to failure determined after cyclic testing. RESULTS Axial stiffness for all TR groups was significantly higher than for the native joint (DTR 38.94 N/mm, p = 0.005; DTR + AC 37.79 N/mm, p = 0.015; TR + AC 45.61 N/mm, p < 0.001 vs. native 26.05 N/mm). The axial stiffness of the PDS + AC group was similar to that of the native joint group (21.4 N/mm, n.s.). AC repair did not significantly influence rotational stiffness. Load to failure was similar and >600 N in all groups (n.s.). CONCLUSION Reconstruction of AC dislocations with one or two TRs leads to stable results with a higher stiffness than the native joints. For the PDS + AC group, axial stiffness was similar to the native situation, although there might be a risk of elongation. Direct AC repair showed no significantly increased stability in comparison with reconstructions without direct AC repair. Thus, a direct AC repair seems to be dispensable in clinical practice, while TRs or PDS cerclages appear to provide sufficiently stable results.
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A Novel Surgical Technique for Fixation of Recurrent Acromioclavicular Dislocations: AC Dog Bone Technique in Combination with Autogenous Semitendinosus Tendon Graft. Case Rep Med 2017; 2017:5457625. [PMID: 28620415 PMCID: PMC5460454 DOI: 10.1155/2017/5457625] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 04/06/2017] [Accepted: 04/23/2017] [Indexed: 11/17/2022] Open
Abstract
Various surgical techniques have been described for the fixation of acromioclavicular (AC) dislocations. However, recurrent dislocation is one of the main complications associated with the majority of these techniques. We report a case of postoperative AC joint redislocation. In order to overcome recurrent dislocation after revision surgery, a reconstruction of the conoid and trapezoid ligament with the use of a free tendon graft in combination with a FiberTape was provided within a novel surgical technique. After 12 months, the patient was very satisfied with the functional outcome. The patient achieved excellent results in the Constant (98 points), SPADI (0 points), and QuickDASH score (0 points). The described technique results in an anatomic reconstruction of the AC joint. The nonrigid nature of the intervention seems to restore the normal arthrokinematics by reconstructing the coracoclavicular ligaments with an autograft which is then protected by the AC Dog Bone artificial ligaments during the healing period. The arthroscopic approach to the AC joint with minimal exposure reduces the risks and complications of the intervention. This is the first case in literature that utilizes the artificial dog bone ligament securing the autograft in an anatomic AC reconstruction.
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Braun S, Imhoff AB, Martetschläger F. [Arthroscopically assisted techniques for treatment of acute and chronic acromioclavicular joint injuries]. Unfallchirurg 2016; 118:407-14. [PMID: 25964020 DOI: 10.1007/s00113-015-0004-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Acute and chronic acromioclavicular (AC) joint dislocation is frequently encountered in the routine clinical practice. This injury can lead to significant impairment of shoulder girdle function. Therapy based on the severity of injury is recommended to re-establish correct shoulder function. The static radiographic Rockwood classification is used to define the degree of dislocation but the clinical aspects and functional x-ray imaging of horizontal AC joint instability should also be considered for selection of the appropriate procedure. Rockwood grades I and II injuries are treated non-operatively with early functional exercise. The approach for Rockwood grade III injuries should be individual and patient-specific, with non-surgical procedures for low functional requirement patients with a high risk for surgical interventions. For patients with high demands on shoulder function surgery is recommended. A detailed diagnostic assessment frequently reveals Rockwood grade III injuries to be type IV injuries. Rockwood types IV and V AC joint dislocations require surgery for sustained stability. Treatment of acute injuries is recommended within 1-3 weeks after trauma but there is no clear evidence of a cut-off for the presence of chronic injuries. Various surgical techniques have been described in the literature. This article presents an arthroscopically assisted technique that addresses both vertical and horizontal instability of the AC joint.
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Affiliation(s)
- S Braun
- Abteilung und Poliklinik für Sportorthopädie, Klinikum rechts der Isar, Technische Universität München, München, Deutschland,
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14
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GRIŠKEVIČIUS JULIUS, ŠEŠOK ANDŽELA, MIZERAS DEIVIDAS, MASIONIS POVILAS, RYLIŠKIS SIGITAS. BIOMECHANICAL COMPARISON OF THE CORACOCLAVICULAR SPACE FIXATION USING THREE DIFFERENT SUTURE TECHNIQUES. J MECH MED BIOL 2016. [DOI: 10.1142/s0219519416500421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Coracoclavicular space fixation with suture loops is a well-known surgical technique for the treatment of dislocations. However, out of 100 different surgical treatments no single one has been established as a gold standard. The following research aims to improve the technique and focuses on a development of new fixation technique using composite sutures, which would withstand forces during ligament healing process. Three different fixation techniques (one loop and two separate suture loops and W-system) were tested on a custom built mechanical testing device. Applied load was continuously increased at a loading rate of 30[Formula: see text]N/min until the failure of the sutures. Ultimate tensile strength and suture elongation at failure were measured. The W-system had statistically significant higher load to failure and higher stiffness compared to one loop and two separate loops techniques. Biomechanical properties of a suture fixation technique can be improved by connecting them into one system to create particular arrangement of the sutures. The measurements can be easily repeated and this testing protocol can serve as a good starting point to standardize procedures of evaluation of different joint fixation techniques and to develop new ones.
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Affiliation(s)
- JULIUS GRIŠKEVIČIUS
- Department of Biomechanics, Vilnius Gediminas Technical University, J. Basanavicius str. 28, MR–II 2–109 Vilnius, LT–03224, Lithuania
| | - ANDŽELA ŠEŠOK
- Department of Biomechanics, Vilnius Gediminas Technical University, J. Basanavicius str. 28, MR–II 2–109 Vilnius, LT–03224, Lithuania
| | - DEIVIDAS MIZERAS
- Department of Biomechanics, Vilnius Gediminas Technical University, J. Basanavicius str. 28, MR–II 2–109 Vilnius, LT–03224, Lithuania
| | - POVILAS MASIONIS
- Vilnius University Clinic of Rheumatology, Orthopaedic and Reconstructive Surgery, Centre of Orthopaedic and Traumatology, Republican Vilnius University Hospital, Šiltnamių str. 29, Vilnius LT-04130, Lithuania
| | - SIGITAS RYLIŠKIS
- Vilnius University Clinic of Rheumatology, Orthopaedic and Reconstructive Surgery, Centre of Orthopaedic and Traumatology, Republican Vilnius University Hospital, Šiltnamių str. 29, Vilnius LT-04130, Lithuania
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Liu X, Huangfu X, Zhao J. Arthroscopic treatment of acute acromioclavicular joint dislocation by coracoclavicular ligament augmentation. Knee Surg Sports Traumatol Arthrosc 2015; 23:1460-1466. [PMID: 24318508 DOI: 10.1007/s00167-013-2800-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Accepted: 11/25/2013] [Indexed: 10/25/2022]
Abstract
PURPOSE Coracoclavicular (CC) ligament augmentation has been a method to treat acromioclavicular (AC) joint dislocation in recent years. The purpose of this paper is to describe our arthroscopic CC ligament augmentation technique in treating type III and V acute AC joint dislocations and to report the early clinical and radiological results. METHODS From 2010 to 2011, twelve patients suffering from acute type III or V AC joint dislocations were arthroscopically treated in our department, by CC ligament augmentation after AC joint reduction. The post-operative outcomes were assessed through physical examination, radiographic examination and the Constant-Murley Shoulder Score. RESULTS All patients post-operatively experienced anatomical reduction in their AC joint dislocation. No intraoperative complications occurred. At a mean follow-up at 24 months (ranging from 18 to 32 months), the mean Constant-Murley Shoulder Score significantly improved from 24.3 pre-operatively to 91.1 post-operatively. No neurovascular complications or secondary degenerative changes of the AC joint were detected in any of the patients. In one case, a second dislocation occurred 1 month post-operation because the patient had had another traumatic injury. This patient accepted a revision operation, but his AC joint eventually fixated into a subluxated position after his second injury. CONCLUSION Based on the resultant successful repair in all cases, the arthroscopic CC ligament augmentation method has thus far proven to be a safe and reliable technique for treatment of acute type III or V AC joint dislocation. CLINICAL RELEVANCE The arthroscopic CC ligament augmentation with a flip button/polyethylene belt repair is an efficient method to treat acute type III and V AC joint dislocations which should be popularized. LEVEL OF EVIDENCE IV.
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Affiliation(s)
- Xudong Liu
- Sports Medicine Service, Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Xuhui District, Shanghai, 200233, People's Republic of China
| | - Xiaoqiao Huangfu
- Sports Medicine Service, Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Xuhui District, Shanghai, 200233, People's Republic of China.
| | - Jinzhong Zhao
- Sports Medicine Service, Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Xuhui District, Shanghai, 200233, People's Republic of China
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Saier T, Venjakob AJ, Minzlaff P, Föhr P, Lindell F, Imhoff AB, Vogt S, Braun S. Value of additional acromioclavicular cerclage for horizontal stability in complete acromioclavicular separation: a biomechanical study. Knee Surg Sports Traumatol Arthrosc 2015; 23:1498-1505. [PMID: 24554242 DOI: 10.1007/s00167-014-2895-7] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Accepted: 02/03/2014] [Indexed: 12/22/2022]
Abstract
PURPOSE To evaluate whether isolated anatomical coracoclavicular (CC) ligament reconstruction with two suture-button devices provides equal horizontal acromioclavicular joint (ACJ) stability compared to additional ACJ suture tape cerclage. METHODS A servohydraulic testing machine was used to assess horizontal ACJ translation in 12 fresh-frozen human shoulders during 5,000 cycles of dynamic anteroposterior directed loading (70 N). Horizontal ACJ stability was assessed for native specimen (n = 6) and compared to specimen with dissected AC ligaments but intact CC ligaments (n = 6). After complete AC/CC dissection, an anatomical CC reconstruction was performed with two suture-button devices (n = 6) and compared to the additional ACJ suture tape cerclage (n = 6). RESULTS Native specimen showed an mean horizontal amplitude of 10.8 mm [standard deviation (SD) 3.29]. After 5,000 cycles of horizontal loading (70 N), mean amplitude increased by 1.5 mm (SD 0.75, p = 0.005). Specimen with dissected AC ligaments started at an mean amplitude of 14.1 mm (SD 4.11), which was increased by 0.9 mm (SD 0.56, n.s.) after loading. Initially, amplitude of specimen with anatomical CC reconstruction was 13.2 mm (SD 2.75), which increased by 2.9 mm (SD 1.45, p = 0.001) after loading. The specimen with additional AC cerclage initially showed an amplitude of 10.6 mm (SD 2.35). After loading, translation was increased by 3.0 mm (SD 0.97, p = 0.001). There was no failure of any surgical reconstruction in the tests. CONCLUSION The results of this study suggest that only combined AC and CC reconstruction can adequately re-establish physiological horizontal ACJ stability. Therefore, it is likely that a combined surgical procedure with double suture-button devices and AC suture tape cerclage can adequately re-establish horizontal AC joint stability in case of an acute injury (≥type Rockwood IV and may allow superior clinical outcomes for patients, especially if early functional rehabilitation is intended).
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Affiliation(s)
- Tim Saier
- Department for Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technische Universität München, Ismaningerstr. 22, 81675, Munich, Germany
- Berufsgenossenschaftliche Unfallklinik Murnau, Prof.-Küntscher-Str. 8, 82418, Murnau, Germany
| | - Arne J Venjakob
- Department for Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technische Universität München, Ismaningerstr. 22, 81675, Munich, Germany
| | - Philipp Minzlaff
- Department for Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technische Universität München, Ismaningerstr. 22, 81675, Munich, Germany
| | - Peter Föhr
- Department of Biomechanics, Klinikum rechts der Isar, Technische Universität München, Ismaningerstr. 22, 81675, Munich, Germany
| | - Filip Lindell
- Department of Biomechanics, Klinikum rechts der Isar, Technische Universität München, Ismaningerstr. 22, 81675, Munich, Germany
| | - Andreas B Imhoff
- Department for Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technische Universität München, Ismaningerstr. 22, 81675, Munich, Germany.
| | - Stephan Vogt
- Department for Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technische Universität München, Ismaningerstr. 22, 81675, Munich, Germany
| | - Sepp Braun
- Department for Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technische Universität München, Ismaningerstr. 22, 81675, Munich, Germany
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Biomechanical analysis of acromioclavicular joint dislocation repair using coracoclavicular suspension devices in two different configurations. J Orthop Traumatol 2015; 16:215-9. [PMID: 25740565 PMCID: PMC4559546 DOI: 10.1007/s10195-015-0346-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Accepted: 02/13/2015] [Indexed: 11/06/2022] Open
Abstract
Background The best treatment option for some acromioclavicular (AC) joint dislocations is controversial. For this reason, the aim of this study was to evaluate the vertical biomechanical behavior of two techniques for the anatomic repair of coracoclavicular (CC) ligaments after an AC injury. Materials and methods Eighteen human cadaveric shoulders in which repair using a coracoclavicular suspension device was initiated after injury to the acromioclavicular joint were included in the study. Three groups were formed; group I (n = 6): control; group II (n = 6): repair with a double tunnel in the clavicle and in the coracoid (with two CC suspension devices); group III (n = 6): repair in a “V” configuration with two tunnels in the clavicle and one in the coracoid (with one CC suspension device). The biomechanical study was performed with a universal testing machine (Electro Puls 3000, Instron, Boulder, MA, USA), with the clamping jaws set in a vertical position. The force required for acromioclavicular reconstruction system failure was analyzed for each cadaveric piece. Results Group I reached a maximum force to failure of 635.59 N (mean 444.0 N). The corresponding force was 939.37 N (mean 495.6 N) for group II and 533.11 N (mean 343.9 N) for group III. A comparison of the three groups did not find any significant difference despite the loss of resistance presented by group III. Conclusion Anatomic repair of coracoclavicular ligaments with a double system (double tunnel in the clavicle and in the coracoid) permits vertical translation that is more like that of the acromioclavicular joint. Acromioclavicular repair in a “V” configuration does not seem to be biomechanically sufficient.
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Li Q, Hsueh PL, Chen YF. Coracoclavicular ligament reconstruction: a systematic review and a biomechanical study of a triple endobutton technique. Medicine (Baltimore) 2014; 93:e193. [PMID: 25526435 PMCID: PMC4603104 DOI: 10.1097/md.0000000000000193] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Operative intervention is recommended for complete acromioclavicular (AC) joint dislocation to restore AC stability, but the best operative technique is still controversial. Twelve fresh-frozen male cadaveric shoulders (average age, 62.8±7.8 years) were equally divided into endobutton versus the modified Weaver-Dunn groups. Each potted scapula and clavicle was fixed in a custom made jig to allow translation and load to failure testing using a Zwick BZ2.5/TS1S material testing machine (Zwick/Roell Co, Germany). A systematic review of 21 studies evaluating reconstructive methods for coracoclavicular or AC joints using a cadaveric model was also performed. From our biomechanical study, after ligament reconstruction, the triple endobutton technique demonstrated superior, anterior, and posterior displacements similar to that of the intact state (P>0.05). In the modified Weaver-Dunn reconstruction group, however, there was significantly greater anterior (P<0.001) and posterior (P=0.003) translation after ligament reconstruction. In addition, there was no significant difference after reconstruction between failure load of the triple endobutton group and that of the intact state (686.88 vs 684.9 N, P>0.05), whereas the failure load after the modified Weaver-Dunn reconstruction was decreased compared with the intact state (171.64 vs 640.86 N, P<0.001). From our systematic review of 21 studies, which involved comparison of the modified Weaver-Dunn technique with other methods, the majority showed that the modified Weaver-Dunn procedure had significantly (P<.05) greater laxity than other methods including the endobutton technique. The triple endobutton reconstruction proved superior to the modified Weaver-Dunn technique in restoration of AC joint stability and strength. Triple endobutton reconstruction of the coracoclavicular ligament is superior to the modified Weaver-Dunn reconstruction in controlling both superior and anteroposterior displacements with a failure load that approximates the intact ligament.
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Affiliation(s)
- Qi Li
- From the Department of Orthopaedics Trauma (QL, PL-H, YF-C), Shanghai Medical Trauma Center, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
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Lu N, Zhu L, Ye T, Chen A, Jiang X, Zhang Z, Zhu Q, Guo Q, Yang D. Evaluation of the coracoclavicular reconstruction using LARS artificial ligament in acute acromioclavicular joint dislocation. Knee Surg Sports Traumatol Arthrosc 2014; 22:2223-7. [PMID: 23812536 DOI: 10.1007/s00167-013-2582-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2012] [Accepted: 06/10/2013] [Indexed: 02/01/2023]
Abstract
PURPOSE The most appropriate procedure for surgical treatment of severe acromioclavicular (AC) joint dislocation was still not clear. The purpose of this study is to evaluate the outcomes of coracoclavicular (CC) reconstruction with ligament augmentation and reconstruction system (LARS) artificial ligaments for the treatment of acute complete AC joint dislocation. METHODS Twenty-four patients (16 male and 8 female, ages ranged from 21 to 45) with acute complete AC joint dislocations were treated with CC reconstruction using LARS artificial ligaments. All these dislocations were unstable injuries. Clinical evaluation was used by the Constant scores and VAS. The radiographic evaluation consisted of Zanca radiographs for bilateral AC joint and axillary radiographs for the injured shoulder. RESULTS All patients had follow-up times of 36 months (range 6-60). The Constant scores rose from 62.3 ± 6.9 preoperatively to 94.5 ± 9.3 at final evaluation (P < 0.05). Preoperative VAS scores were 5.1 ± 1.7, and the VAS scores at the last review were 0.7 ± 1.4 (P < 0.05). Follow-up radiographs showed anatomical reduction in 20 patients and slight loss of reduction in 4 patients. Calcification of CC ligament in 4 patients, degenerative change around the AC joint in 2 patient and clavicular osteolysis around screws in one patient were found. CONCLUSIONS LARS artificial ligament for reconstruction of CC can provide immediate stability and allow early shoulder mobilization with good functional results and few complications. This procedure was an effective and safe method to treat grade III and more AC joint dislocations. LEVEL OF EVIDENCE IV.
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Affiliation(s)
- Nan Lu
- Department of Orthopaedic Surgery, Shanghai Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai, 200003, China
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Simultaneous anatomic reconstruction of the acromioclavicular and coracoclavicular ligaments using a single tendon graft. Knee Surg Sports Traumatol Arthrosc 2014; 22:2216-22. [PMID: 23842800 DOI: 10.1007/s00167-013-2569-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Accepted: 06/10/2013] [Indexed: 10/26/2022]
Abstract
PURPOSE The purpose of this study was to introduce a novel surgical technique for simultaneous anatomic reconstruction of the acromioclavicular and coracoclavicular ligaments using a single tendon graft and to compare its biomechanical characteristics to those of a coracoid cerclage reconstruction of the coracoclavicular ligaments. METHODS Six matched pairs of human acromioclavicular joints with an average age of 54.8 ± 7.8 years were used. One shoulder from each pair received the single tendon acromioclavicular-coracoclavicular reconstruction; the contralateral shoulder received the coracoid cerclage reconstruction. Bovine extensor tendon was used for both techniques. The single tendon acromioclavicular-coracoclavicular reconstruction technique provided anatomic restoration of the two coracoclavicular ligaments and the superior and inferior acromioclavicular ligaments simultaneously using one coracoid hole, one acromion hole, and two clavicular holes with interference screws. Anterior-posterior and superior-inferior translations were quantified for all specimens before and after reconstruction, followed by load to failure testing. RESULTS Following coracoid cerclage reconstruction, total anterior-posterior translation was significantly greater than intact (10.0 ± 5.7 mm; p = 0.008). Following single tendon acromioclavicular-coracoclavicular reconstruction, there was no significant difference in anterior-posterior translation compared to intact (-1.6 ± 2.2 mm; n.s.). The coracoid cerclage technique demonstrated significantly greater anterior-posterior translation than the single tendon acromioclavicular-coracoclavicular technique (p = 0.007). Both techniques restored superior-inferior translation to the intact condition (n.s.). Ultimate load, deformation at ultimate load, and energy absorbed at ultimate load were significantly greater after acromioclavicular-coracoclavicular reconstruction than after coracoid cerclage reconstruction (p < 0.05). CONCLUSIONS This novel single tendon anatomic acromioclavicular-coracoclavicular reconstruction provided greater stability and stronger load to failure characteristics than the isolated coracoid cerclage reconstruction. A simultaneous acromioclavicular-coracoclavicular reconstruction technique using a single free tendon graft provided anatomic reconstruction of the conoid, trapezoid, and superior and inferior acromioclavicular ligaments and may reduce postoperative subluxation.
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Martetschläger F, Horan MP, Warth RJ, Millett PJ. Complications after anatomic fixation and reconstruction of the coracoclavicular ligaments. Am J Sports Med 2013; 41:2896-903. [PMID: 24007761 DOI: 10.1177/0363546513502459] [Citation(s) in RCA: 159] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Reconstruction of the disrupted acromioclavicular (AC) joint has historically resulted in high complication rates. As a result, there has been a move toward anatomic coracoclavicular (CC) ligament fixation and reconstruction, owing to its numerous biomechanical advantages and perceived clinical advantages. PURPOSE To report and analyze the unique complications associated with these anatomic CC ligament procedures using either cortical fixation buttons (CFBs) or tendon grafts (TGs) and to evaluate the effect that these complications have on patient outcomes. STUDY DESIGN Case series; Level of evidence, 4. METHODS From January 2006 until May 2011, a total of 59 primary anatomic CC ligament procedures were performed using either CFBs or TGs. Demographic, surgical, subjective (including the American Shoulder and Elbow Surgeons [ASES], quick Disabilities of the Arm, Shoulder and Hand [QuickDASH], Short Form-12 [SF-12], and Single Assessment Numeric Evaluation [SANE] scores), and radiographic data along with surgical complications were prospectively collected and retrospectively analyzed. Construct survivorship, defined as the maintenance of reduction of the AC joint, was calculated using the Kaplan-Meier method at 12- and 24-month intervals. RESULTS Surgical treatment for AC joint dislocations was performed in 3 women (4 shoulders) and 52 men (55 shoulders) with a mean age of 43.6 years (range, 18-71 years); 13 shoulders (22.0%) underwent fixation using the CFB technique, and 46 shoulders (78.0%) underwent reconstruction using the TG technique. The overall complication rate was 27.1% (16/59) in this study. There were 3 complications (23.1%) in the CFB group, including 1 coracoid fracture and 2 cases of hardware failure resulting in a loss of reduction. There were 13 complications (28.2%) in the TG group, including 4 graft ruptures, 2 clavicle fractures, 1 case of hardware failure, 1 hypertrophic distal clavicle, 2 cases of hardware pain, 1 suture granuloma, 1 case of adhesive capsulitis, and 1 case of axillary neuropathy. Twelve- and 24-month construct survivorship was calculated to be 86.2% and 83.2%, respectively. Of the 43 shoulders that did not have a complication, mean ASES scores significantly improved from 57.5 (range, 0-97) to 91 (range, 63-100) (P < .001), and mean SF-12 physical component summary scores significantly improved from 45 (range, 25-58) to 56 (range, 43-65.8) (P < .001) after a mean 2.4-year follow-up (range, 1.0-5.7 years). There were no significant differences in outcomes between those that did and did not experience a complication, with the exception that those with complications had significantly decreased median patient satisfaction compared with those without complications (3.5 vs 9, respectively; P = .049). CONCLUSION Anatomic procedures to treat disrupted CC ligaments using either CFBs or TGs resulted in an overall complication rate of 27.1% (16/59). Construct survivorship was calculated to be 86.2% at 12 months and 83.2% at 24 months. Good to excellent outcomes could only be reported in those patients who did not have a complication.
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Affiliation(s)
- Frank Martetschläger
- Peter J. Millett, Center for Outcomes-Based Orthopaedic Research (COOR Steadman Philippon Research Institute, 181 West Meadow Drive, Suite 1000, Vail, CO 81657. )
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Abstract
Acromioclavicular (AC) joint separations are common injuries of the shoulder girdle, especially in the young and active population. Typically the mechanism of this injury is a direct force against the lateral aspect of the adducted shoulder, the magnitude of which affects injury severity. While low-grade injuries are frequently managed successfully using non-surgical measures, high-grade injuries frequently warrant surgical intervention to minimize pain and maximize shoulder function. Factors such as duration of injury and activity level should also be taken into account in an effort to individualize each patient's treatment. A number of surgical techniques have been introduced to manage symptomatic, high-grade injuries. The purpose of this article is to review the important anatomy, biomechanical background, and clinical management of this entity.
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Affiliation(s)
- Ryan J Warth
- Steadman Philippon Research Institute, 181 W. Meadow Drive, Vail, CO, 81657, USA
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