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Pfeiffer TR, Günther D. [Treatment of acute knee dislocations]. UNFALLCHIRURGIE (HEIDELBERG, GERMANY) 2024; 127:35-43. [PMID: 37815539 DOI: 10.1007/s00113-023-01369-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/28/2023] [Indexed: 10/11/2023]
Abstract
A knee dislocation is a serious injury involving at least two of the four major ligamentous stabilizers of the knee. This injury results in multidirectional knee instability. In dislocation of the knee the popliteal artery and the peroneal nerve can also be damaged. Dislocations with vascular involvement are potentially threatening injuries of the lower extremities. The diagnosis of knee dislocation can be difficult due to a high rate of spontaneous reduction at the initial examination. Knee dislocations are rare and mainly occur in young men. They are mostly caused by high-energy trauma; however, they can also be caused by low-energy injuries. Obesity increases the risk of knee dislocations. The classification of a knee dislocation is based on the anatomical structures involved and the direction of dislocation. The acute treatment includes reduction and stabilization measures. Associated injuries, such as vascular, nerve, extensor mechanism and cartilage injuries as well as fractures and meniscal injuries can influence the treatment approach and the outcome. The definitive surgical treatment depends on the severity of the injury and can include ligament reconstruction or repair with bracing. The aftercare should be individually adapted with the aim to restore knee joint stability and function. Complications such as arthrofibrosis, peroneal nerve palsy, compartment syndrome, postoperative infection and recurrent instability can occur. In the long term, patients have an increased risk for the development of symptomatic osteoarthritis.
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Affiliation(s)
- Thomas R Pfeiffer
- Klinik für Orthopädie, Unfallchirurgie und Sporttraumatologie, Klinikum Köln-Merheim, Universität Witten/Herdecke, Ostmerheimerstr. 200, 51109, Köln, Deutschland
| | - Daniel Günther
- Klinik für Orthopädie, Unfallchirurgie und Sporttraumatologie, Klinikum Köln-Merheim, Universität Witten/Herdecke, Ostmerheimerstr. 200, 51109, Köln, Deutschland.
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Gensior TJ, Mester B, Achtnich A, Winkler PW, Henkelmann R, Hepp P, Glaab R, Krause M, Frosch KH, Zellner J, Schoepp C. Anatomic repair and ligament bracing as an alternative treatment option for acute combined PCL injuries involving the posteromedial or posterolateral corner-results of a multicentre study. Arch Orthop Trauma Surg 2023; 143:7123-7132. [PMID: 37691046 PMCID: PMC10635947 DOI: 10.1007/s00402-023-05015-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 07/24/2023] [Indexed: 09/12/2023]
Abstract
INTRODUCTION Combined PCL injuries involving the posteromedial/-lateral corner (PMC/PLC) usually require surgical management. Literature shows controversy regarding the standards of treatment. Suture-augmented repair leads to excellent results in acute knee dislocations but has not been investigated clinically in combined PCL injuries. The purpose of this multicentre study was to evaluate the clinical outcome of this technique in acute combined PCL injuries. MATERIALS & METHODS N = 33 patients with acute combined PCL injuries involving the PMC/PLC were treated by one-stage suture repair with ligament bracing of the PCL and suture repair of the accompanying PMC/PLC injuries with/without ligament bracing or primary augmentation by semitendinosus autograft. Outcome was assessed by IKDC questionnaire, Lysholm Score, Tegner Activity Scale and KOOS. Additional PCL stress-radiography was performed. RESULTS N = 31 patients with combined PCL injuries (female: male = 7:24; age 39.1 ± 13.8 years) with a follow-up of 16.8 ± 9.6 months were finally evaluated. 18 had PMC injuries, 13 PLC injuries. 32.2% presented with accompanying meniscal tears (70% medial meniscus). 19.4% showed cartilage injuries grade III-IV. Complications included one infection and four knee stiffnesses. Three had symptomatic postoperative instability, all affiliated to the PLC group. The IKDC was 69.8 ± 16.5, Lysholm score 85 ± 14.4 and KOOS 89.7 ± 8.1. Median loss of activity (Tegner) was 0.89 ± 1.31. Comparing PMC and PLC, all scores showed a tendency towards more favourable outcomes in the PMC group (n.s.). Stress-radiography showed an overall side-to-side difference of 3.7 ± 3.8 mm. Subgroup evaluation showed statistically significant better results (p = 0.035) of PMC (2.5 ± 1.5 mm) versus PLC (5.8 ± 5.6 mm). CONCLUSIONS One-stage suture repair with ligament bracing is a viable technique for acute combined PCL injuries and predominantly leads to good and excellent clinical outcomes. Patients with PLC injuries show a tendency towards inferior outcomes and higher instability rates compared to PMC injuries. These results may help in therapy planning and counselling patients with these rare injury pattern. LEVEL OF EVIDENCE Level II.
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Affiliation(s)
- Tobias J Gensior
- OPND Clinic Neuss-Düsseldorf, Neuss, Germany
- Trauma Committee of the AGA (Society for Arthroscopy and Joint Surgery), Zurich, Switzerland
| | - Bastian Mester
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Essen, Essen, Germany.
- Trauma Committee of the AGA (Society for Arthroscopy and Joint Surgery), Zurich, Switzerland.
| | - Andrea Achtnich
- Department of Sports Orthopaedics, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
- Ligament Committee of the AGA (Society for Arthroscopy and Joint Surgery), Zurich, Switzerland
| | - Philipp W Winkler
- Department of Sports Orthopaedics, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
- Department of Orthopaedics and Traumatology, Kepler University Hospital Linz, Linz, Austria
| | - Ralf Henkelmann
- Department of Orthopedics, Trauma and Plastic Surgery, University of Leipzig, Leipzig, Germany
- Trauma Committee of the AGA (Society for Arthroscopy and Joint Surgery), Zurich, Switzerland
| | - Pierre Hepp
- Department of Orthopedics, Trauma and Plastic Surgery, University of Leipzig, Leipzig, Germany
- Trauma Committee of the AGA (Society for Arthroscopy and Joint Surgery), Zurich, Switzerland
| | - Richard Glaab
- Department of Traumatology, Cantonal Hospital Aarau, Aarau, Switzerland
- Trauma Committee of the AGA (Society for Arthroscopy and Joint Surgery), Zurich, Switzerland
| | - Matthias Krause
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Ligament Committee of the AGA (Society for Arthroscopy and Joint Surgery), Zurich, Switzerland
| | - Karl-Heinz Frosch
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Trauma Surgery, Orthopaedics and Sports Traumatology, BG Clinic Hamburg, Hamburg, Germany
| | - Johannes Zellner
- Sporthopaedicum Regensburg, Regensburg, Germany
- Trauma Committee of the AGA (Society for Arthroscopy and Joint Surgery), Zurich, Switzerland
| | - Christian Schoepp
- Clinic for Arthroscopic Surgery, Sports Traumatology and Sports Medicine, BG Clinic Duisburg, Duisburg, Germany
- Ligament Committee of the AGA (Society for Arthroscopy and Joint Surgery), Zurich, Switzerland
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Frings J, Behrendt P, Krause M, Frosch KH. [Multiligament instabilities of the knee in sports injuries : An update of the Hamburg concept]. ORTHOPADIE (HEIDELBERG, GERMANY) 2023; 52:882-888. [PMID: 37773214 DOI: 10.1007/s00132-023-04438-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/17/2023] [Indexed: 10/01/2023]
Abstract
BACKGROUND Knee dislocation (KD) is a rare but severe injury of the knee joint, with a high rate of concomitant neurovascular injuries. The severity of the ligamentous injury, which is classified according to the Schenck classification, the mechanism of injury, concomitant injuries and individual factors determine the treatment strategy in KD. TREATMENT STRATEGY Furthermore, a clear differentiation between high-velocity (HV) and low-velocity (LV) injuries is necessary. Generally, surgical treatment within 7-10 days should be aspired. Herein, the one-stage hybrid treatment using augmented ligament sutures (ligament bracing) in combination with primary ligament reconstruction (posterolateral and ACL) leads to very good functional results in the mid-term. Ultra-low-velocity (ULV) dislocations and those with concomitant peroneal lesions require a modified approach, due to a limited prognosis. During rehabilitation, the individual progress must be closely monitored and follow an early functional approach. In approximately 20% of all cases, early arthroscopic arthrolysis shows a high success rate.
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Affiliation(s)
- Jannik Frings
- Klinik und Poliklinik für Unfallchirurgie und Orthopädie, Universitätsklinikum Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Deutschland.
| | | | - Matthias Krause
- Klinik und Poliklinik für Unfallchirurgie und Orthopädie, Universitätsklinikum Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Deutschland
| | - Karl-Heinz Frosch
- Klinik und Poliklinik für Unfallchirurgie und Orthopädie, Universitätsklinikum Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Deutschland
- Abteilung für Unfallchirurgie, Orthopädie und Sporttraumatologie, BG Klinikum Hamburg, Hamburg, Deutschland
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Fahlbusch H, Behrendt P, Akoto R, Frosch KH, Krause M. ACL reconstruction provides superior stability than ACL repair in patients with Schenck III and IV knee joint dislocations: first results of a 12 month follow-up study. Arch Orthop Trauma Surg 2023; 143:5751-5758. [PMID: 37062000 PMCID: PMC10449953 DOI: 10.1007/s00402-023-04884-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 04/09/2023] [Indexed: 04/17/2023]
Abstract
PURPOSE Acute knee dislocation is a rare but devastating multi-ligamentous knee injury with only limited evidence-based surgical technique recommendations. The aim of this study was a comparison of two different anterior cruciate ligament (ACL) restoration techniques as part of an early total surgical care concept: (1) repair of ACL with additional internal bracing (ACLIB) compared to; (2) ACL reconstruction with autograft (ACLR). METHODS Retrospective, clinical-study of patients with an acute type III or IV knee dislocation (according to Schenck classification), in which the ACL was treated with ACLIB or ACLR within 12 days. The PCL was sutured and internally braced in all cases. Medial and lateral complex injuries were repaired and additionally laterally augmented by an Arciero reconstruction. After a minimum 12 months follow-up different patient-reported outcome measurements (IKDC, Lysholm, VAS, Tegner Score) and instrumental stability assessment by Rolimeter -test and stress radiographs (Telos™) were analyzed. Groups were compared by t test with p < 0.05 considered significant. RESULTS In total, 20 patients (5 IIIM, 5 IIIL and 10 IV) were included in this study with an average follow-up of 13.7 ± 2.6 months. There were significant differences in instrumental stability testing (side-to-side difference (SSD) of anterior tibial translation: ACLIB 2.7 ± 1.5 mm vs. ACLR 1.3 ± 1.3; p = 0.0339) and stress radiography (SSD ACL: ACLIB 3.4 ± 2.2 mm vs. ACLR 0.4 ± 2.7; p = 0.0249) between groups. ACLIB group showed greater ROM in terms of flexion (SSD Flexion: ACLIB 7.8 ± 9.9° vs. ACLR 16 ± 7.0°; p = 0.0466; Total Flexion overall 125.5 ± 11.8°). No clinically relevant differences in patient-reported outcome scores (Lysholm Score: ACLIB 82 ± 16.4 vs. ACLR 85 ± 10.4; IKDC subjective score: ACLIB 70.4 ± 17 vs. ACLR 76.6 ± 8.3) were determined. CONCLUSION ACLR provides superior translational stability than ACLIB in terms of instrumental testing and stress radiography. Both techniques were equivalent with respect to PROMS and led to good and excellent clinical results. LEVEL OF EVIDENCE Retrospective cohort study, III.
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Affiliation(s)
- H Fahlbusch
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - P Behrendt
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Trauma Surgery, Orthopaedics and Sports Orthopaedics, Asklepios St. Georg, Hamburg, Germany
- Department of Anatomy, Christian-Albrechts-University, Kiel, Germany
| | - R Akoto
- Department of Trauma Surgery, Orthopaedics and Sports Traumatology, BG Hospital Hamburg, Hamburg, Germany
| | - K H Frosch
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Trauma Surgery, Orthopaedics and Sports Traumatology, BG Hospital Hamburg, Hamburg, Germany
| | - M Krause
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
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[Augmented primary sutures "internal bracing" following ligamentous elbow dislocation]. OPERATIVE ORTHOPADIE UND TRAUMATOLOGIE 2023; 35:43-55. [PMID: 36469104 PMCID: PMC9895014 DOI: 10.1007/s00064-022-00788-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 06/23/2021] [Accepted: 09/25/2021] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Aim of surgical treatment is the primary stabilization of the unstable elbow following a ligamentous elbow dislocation. INDICATIONS Ligamentous elbow dislocations are typically accompanied by injuries to the surrounding musculature and collateral ligaments of the elbow joint. Surgical treatment is indicated in case of failure of nonoperative therapy, i.e., when a dislocation can only be prevented in immobilization > 90° and pronation of the elbow or an active muscular centering of the elbow fails after 5-7 days. CONTRAINDICATIONS Contraindications for a solely "internal bracing" augmented primary suture are generally in the case of accompanying bony injuries in elbow dislocations, extensive soft-tissue injuries, and septic arthritis of the elbow. SURGICAL TECHNIQUE The augmented primary suture of the elbow is performed using both a lateral (Kocher or Kaplan) and medial (FCU split) approach to the elbow. After reduction of the elbow, the collateral ligaments are first augmented with high-strength polyethylene suture and fixed in the distal humerus together with another high-strength polyethylene augmentation suture. The extensors and flexors are then fixed to the medial and lateral epicondyle, respectively, using suture anchors. POSTOPERATIVE MANAGEMENT The aim of the postoperative management is early functional exercise of the elbow. The elbow is placed in an elbow brace to avoid varus and valgus load. RESULTS Between August 2018 and January 2020, a total of 12 patients were treated with an augmented primary suture following unstable ligamentous elbow dislocation. After a mean follow-up of 14 ± 12.7 months, the mean Mayo Elbow Performance Score was 98.5 points with a mean functional arc of 115°. None of the patients reported a recurrent dislocation or persistent instability of the elbow.
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Fahlbusch H, Krivec L, Müller S, Reiter A, Frosch KH, Krause M. Arthrofibrosis is a common but poorly defined complication in multiligament knee injuries: a systematic review. Arch Orthop Trauma Surg 2022:10.1007/s00402-022-04730-9. [PMID: 36520199 PMCID: PMC10374851 DOI: 10.1007/s00402-022-04730-9] [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: 08/21/2022] [Accepted: 12/06/2022] [Indexed: 12/23/2022]
Abstract
PURPOSE The purpose of this study is to systematically review multiligament knee injury (MLKI) outcome studies to determine definitions of arthrofibrosis (AF) and provide information about incidence, management as well as potential risk factors. METHODS A systematic literature search was performed (PubMed and Cochrane library) following the PRISMA guidelines of operatively treated MLKI (Schenck II-IV) studies reporting the incidence of AF. Twenty-five studies met the inclusion criteria. Injury pattern, timing of surgery, surgical technique, treatment of AF, rehabilitation programs and PROMS were inquired. Risk of bias and quality of evidence were assessed using the Coleman methodological score. RESULTS Twenty-five studies with a total of 709 patients with a mean age of 33.6 ± 4.8 years were included and followed 47.2 ± 32.0 months. The majority of studies (22/25) used imprecise and subjective definitions of AF. A total of 86 patients were treated for AF, resulting in an overall prevalence of 12.1% (range 2.8-57.1). Higher-grade injuries (Schenck III-IV), acute treatment and ROM (range of motion) limiting rehabilitation programs were potential risk factors for AF. The time from index surgery to manipulation anesthesia (MUA) and arthroscopic lysis of adhesions (LOA) averaged at 14.3 ± 8.8 and 27.7 ± 12.8 weeks. Prior to MUA and LOA, the ROM was 51.7° ± 23.5 and 80.2° ± 17.0, resulting in a total ROM gain after intervention of 65.0° ± 19.7 and 48.0° ± 10.6, respectively; with no reports of any complication within the follow-up. The overall methodological quality of the studies was poor as measured by the Coleman score with average 56.3 ± 12.5 (range 31-84) points. CONCLUSIONS AF is a common but poorly defined complication particularly in high-grade MLKI. Early postoperative and intensified physiotherapy is important to reduce the risk of AF. MUA and LOA are very effective treatment options and result in good clinical outcome. Prospective studies with bigger study population are needed to optimize treatment algorithms of further patients after MLKI. The protocol of this systematic review has been prospectively registered with PROSPERO (CRD42021229187, January 4th, 2021).
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Affiliation(s)
- Hendrik Fahlbusch
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Lukas Krivec
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Sebastian Müller
- Department of Orthopaedics, University Hospital Basel, Basel, Switzerland
| | - Alonja Reiter
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Karl Heinz Frosch
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Department of Trauma Surgery, Orthopaedics and Sports Traumatology, BG Hospital Hamburg, Hamburg, Germany
| | - Matthias Krause
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
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Hecker A, Schmaranzer F, Huber C, Maurer J, Egli RJ, Eberlein SC, Klenke FM. Treatment of Knee Dislocation With Primary Repair and Suture Augmentation: A Viable Solution. Orthop J Sports Med 2022; 10:23259671221132555. [PMID: 36425010 PMCID: PMC9678999 DOI: 10.1177/23259671221132555] [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: 07/31/2022] [Accepted: 08/10/2022] [Indexed: 11/18/2022] Open
Abstract
Background: Different surgical techniques have been described for the treatment of knee
dislocation (KD). Nonoperative approaches are frequently combined with
surgical reconstruction using auto- or allograft. Purpose: To evaluate the midterm results of primary surgical repair and suture
augmentation to treat KD. Study Design: Case series; Level of evidence, 4. Methods: A total of 22 patients (5 women, 17 men; mean age, 45 ± 15 years) with KD
were evaluated at a mean of 49 ± 16 months after surgical treatment that
included primary repair and suture augmentation. Magnetic resonance imaging,
stress radiographs, and outcome scores were obtained at the follow-up.
Clinical examination including hop tests and force measurements for flexion
and extension was performed. Results: The mean difference in pre- to postinjury Tegner scores was –2 ± 1. The
outcome scores showed mean values of 84 ± 15 (Lysholm), 73 ± 15
(International Knee Documentation Committee) and 65 ± 25 (Anterior Cruciate
Ligament–Return to Sport after Injury scale). Compared with the uninjured
knee, the range of motion of the injured knee was reduced by 21° ± 12°.
Twelve patients felt fit enough to perform hop tests and showed a mean
deficit of 7% ± 17%° compared with the uninjured leg. The mean force deficit
was 19% ± 18% for extension and 8% ± 16% for flexion. Stress radiographs
revealed an 11 ± 7–mm higher anteroposterior translation on the injured
side. Four patients had secondary ligament reconstructions due to persistent
instability and 7 underwent arthroscopic arthrolysis due to stiffness. A
significant increase of osteoarthritis was found for the medial, lateral,
and patellofemoral compartments (P = .007, .004, and .006,
respectively). Conclusion: Primary repair and suture augmentation of KD led to satisfactory clinical
midterm results despite persistent radiological instability and a
significant increase in osteoarthritis. This technique allows the return to
activities of daily living without subjective instability in most
nonathletic patients. Secondary ligament reconstructions should be performed
if relevant instability persists to decrease the risk of secondary meniscal
and cartilage damage.
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Affiliation(s)
- Andreas Hecker
- Department of Orthopaedic Surgery and Traumatology, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Florian Schmaranzer
- Department for Diagnostic, Interventional and Paediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Christoph Huber
- Department of Orthopaedic Surgery and Traumatology, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Jonas Maurer
- Department of Physiotherapy, Inselspital, Bern University Hospital, Bern, Switzerland
| | - Rainer J. Egli
- Department for Diagnostic, Interventional and Paediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Sophie C. Eberlein
- Department of Orthopaedic Surgery and Traumatology, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Frank M. Klenke
- Department of Orthopaedic Surgery and Traumatology, Inselspital, Bern University Hospital, University of Bern, Switzerland
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Wilson WT, Hopper GP, Banger MS, Blyth MJG, Riches PE, MacKay GM. Anterior cruciate ligament repair with internal brace augmentation: A systematic review. Knee 2022; 35:192-200. [PMID: 35366618 DOI: 10.1016/j.knee.2022.03.009] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/11/2022] [Accepted: 03/21/2022] [Indexed: 02/02/2023]
Abstract
BACKGROUND Primary repair of anterior cruciate ligament (ACL) ruptures has re-emerged as a treatment option for proximal tears, with internal brace augmentation often utilised. The aim of this study is to provide an overview of the current evidence presenting outcomes of ACL repair with internal bracing to assess the safety and efficacy of this technique. METHODS All studies reporting outcomes of arthroscopic primary repair of proximal ACL tears, augmented with internal bracing from 2014-2021 were included. Primary outcome was failure rate and secondary outcomes were subjective patient reported outcome measures (PROMs) and objective assessment of anteroposterior knee laxity. RESULTS Nine studies were included, consisting of 347 patients, mean age 32.5 years, mean minimum follow up 2 years. There were 36 failures (10.4%, CI 7.4% - 14.1%). PROMs reporting was variable across studies. KOOS, Lysholm and IKDC scores were most frequently used with mean scores > 87%. The mean Tegner and Marx scores at follow-up were 6.1 and 7.8 respectively. The mean side to side difference measured for anteroposterior knee laxity was 1.2mm. CONCLUSIONS This systematic review with meta-analysis shows that ACL repair with internal bracing is a safe technique for treatment of proximal ruptures, with a failure rate of 10.4%. Subjective scores and clinical laxity testing also revealed satisfactory results. This suggests that ACL repair with internal bracing should be considered as an alternative to ACL reconstruction for acute proximal tears, with the potential benefits of retained native tissue and proprioception, as well as negating the need for graft harvest.
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Affiliation(s)
- W T Wilson
- Department of Biomedical Engineering, University of Strathclyde, Glasgow, UK; NHS Greater Glasgow & Clyde, Glasgow, UK.
| | - G P Hopper
- NHS Greater Glasgow & Clyde, Glasgow, UK.
| | - M S Banger
- Department of Biomedical Engineering, University of Strathclyde, Glasgow, UK.
| | | | - P E Riches
- Department of Biomedical Engineering, University of Strathclyde, Glasgow, UK.
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[Combined PCL ligament bracing and ACL reconstruction in acute knee dislocation (Schenck IV) - The Hamburg Approach : Video article]. Unfallchirurg 2021; 124:856-861. [PMID: 34255102 DOI: 10.1007/s00113-021-01047-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2021] [Indexed: 11/27/2022]
Abstract
OBJECTIVE Stepwise reconstruction of knee stability and physiological kinematics in acute knee dislocation. INDICATIONS The operative technique is demonstrated in a case of multiligamentous injury of the knee with involvement of both cruciate ligaments and additional medial and lateral peripheral injuries (type IV according to Schenck classification). CONTRAINDICATIONS Critical soft tissue conditions, infections, old age, obesity, lack of compliance. SURGICAL TECHNIQUE Time-limited arthroscopy in order to primarily identify and treat posterior horn/root injuries of the meniscus and concomitant intra-articular injuries. Anatomical placement of anterior cruciate ligament (ACL) drill wires for later ACL tunnel drilling is arthroscopically guided. Subsequent conversion to an anteromedial arthrotomy and ligament bracing of the posterior cruciate ligament. The ACL is reconstructed using the ipsilateral semitendinosus tendon. Medial and lateral peripheral injures are anatomically reconstructed followed by a posterolateral augmentation in a technique described by Arciero. FOLLOW-UP Limited weight bearing for 6 weeks and stepwise increase of flexion using a standard knee brace and close clinical monitoring. EVIDENCE Ligament bracing of both cruciate ligaments is an established treatment technique in acute knee dislocations and has been proven to achieve good to excellent clinical results. In an ongoing clinical study primary ACL reconstruction as a modified treatment approach indicated superior stability in a 12-month follow-up in patients with acute knee dislocations.
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Anatomical repair and ligament bracing of Schenck III and IV knee joint dislocations leads to acceptable subjective and kinematic outcomes. Knee Surg Sports Traumatol Arthrosc 2021; 29:4188-4197. [PMID: 33688978 PMCID: PMC8595154 DOI: 10.1007/s00167-021-06501-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Accepted: 02/10/2021] [Indexed: 11/27/2022]
Abstract
PURPOSE The aim of this study was to analyze the outcomes of anatomical repair and ligament bracing for Schenck III and IV knee dislocation (KD). METHODS The results of 27 patients (15 and 12 cases of Schenck III and IV KD, respectively) after a mean follow-up of 18.1 ± 12.1 months (range 6-45 months) were retrospectively reviewed. Twenty-two patients suffered high-kinetic-energy accidents, whereas five patients suffered ultralow-velocity (ULV) trauma due to obesity. The outcome measures were the Lysholm score, Hospital for Special Surgery (HSS) knee score, Knee Society Score (KSS), Knee Injury and Osteoarthritis Outcome Score (KOOS) and Short Form 36 (SF-36) score. A kinematic 3D gait analysis with five walking trials was performed to compare the patients and healthy controls. RESULTS The mean KSS, HSS score, Lysholm score, and KOOS were 77.4 ± 14.4, 84.6 ± 11.2, 81.5 ± 10.4, and 67.3 ± 16.8, respectively. No intra- or postoperative complications occurred. The mean range of motion deficiency compared to the healthy side was 24.4 ± 18.5°. Ten patients had first-degree residual laxity of the anterior cruciate ligament; 12 and 2 patients had first- and second-degree residual laxity of the collateral ligament, respectively. Five patients underwent additional arthroscopic arthrolysis due to arthrofibrosis at an average of 6.2 ± 1.9 months (range 4-9 months) after the initial surgery. The 3D gait analysis showed no major differences in joint stability or movement between the patients and healthy controls. Only the ULV trauma patients had significantly lower outcome scores and showed larger kinematic deviations in joint movement during the gait analysis. CONCLUSION Anatomical repair with ligament bracing is a suitable surgical procedure in the treatment of KD and provides evidence in clinical practice with the benefit of early, definitive repair and preservation of the native ligaments. Patients reach acceptable subjective and objective functional outcomes, including mainly normalized gait patterns during short-term follow-up, with only minor changes in kinematics and spatial-temporal characteristics. Obese patients who suffered ULV trauma showed significantly inferior outcomes with larger deviations in joint kinematics. LEVEL OF EVIDENCE Level III.
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Otto A, Helal A, Imhoff FB, Mehl J, Herbst E, Achtnich AE, Forkel P, Imhoff AB, Schmitt A. Promising clinical and magnetic resonance imaging results after internal bracing of acute posterior cruciate ligament lesions in multiple injured knees. Knee Surg Sports Traumatol Arthrosc 2020; 28:2543-2550. [PMID: 32047998 DOI: 10.1007/s00167-020-05852-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 01/10/2020] [Indexed: 11/27/2022]
Abstract
PURPOSE The purpose of this study was to evaluate the clinical and radiological outcomes of acute posterior cruciate ligament (PCL) lesions in multiple injured knees that were surgically treated with internal bracing. METHODS Acute complete PCL lesions in multiple injured knees with subsequent internal-bracing treatment within 21 days between 2014 and 2016 were eligible for inclusion. At final follow-up, patients were assessed with Tegner, Lysholm, and IKDC scores. PCL stability and healing were verified with KT-2000, stress radiography and magnetic resonance imaging (MRI). RESULTS Fourteen patients [mean age 37.4 (± 17.8; SD) years] were evaluated after a mean follow-up of 19.9 (± 7.7; SD) months. Thirteen patients suffered complete lesions of the PCL with concomitant ligamentous injuries (Schenck I: six cases, Schenck III M: five cases, Schenck IV N: one case, Schenck V: one case). Median Tegner, mean Lysholm and mean IKDC scores at follow-up were 4 (2-7; interquartile range), 69.1 (± 16.6; SD) and 68.9 (± 18.1; SD) respectively. Posterior translation averaged 5.8 (± 2.2; SD) mm with the KT 2000 and stress radiography showed a mean posterior tibial translation of 5.5 (± 4.1; SD) mm in the side to side comparison. MRI showed adequate PCL healing. CONCLUSIONS Internal bracing as treatment for acute PCL ruptures in multiple injured knees showed adequate restoration of posterior tibial translation in a single-centre study including 14 cases. LEVEL OF EVIDENCE IV.
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Affiliation(s)
- Alexander Otto
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany.
- Department of Trauma, Orthopaedic, Plastic and Hand Surgery, University Hospital of Augsburg, Augsburg, Germany.
| | - Ahmed Helal
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
| | - Florian B Imhoff
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
| | - Julian Mehl
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
| | - Elmar Herbst
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
| | - Andrea E Achtnich
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
| | - Philipp Forkel
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
| | - Andreas B Imhoff
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
| | - Andreas Schmitt
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
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Abstract
Injury to the posterior cruciate ligament (PCL) is most commonly seen in the setting of a multiligamentous injured knee, and isolated PCL tears are rare. PCL injuries are generally treated either conservatively or by PCL reconstruction using a graft. If a proximal or distal tear is present, the injured ligament can also be treated by primary repair, in which the ligament is reattached to the tibial or femoral insertion. This has the (theoretical) advantages of preserving the native tissue, maintaining proprioception, and can be performed in a less invasive way when compared with reconstruction surgery. In this review, the appropriate patient selection, surgical indications, surgical techniques, and outcomes of primary repair of proximal and distal PCL tears will be discussed. Primary repair may be an alternative treatment for PCL reconstruction if appropriate patient selection is applied.
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Management of acute knee dislocations: anatomic repair and ligament bracing as a new treatment option-results of a multicentre study. Knee Surg Sports Traumatol Arthrosc 2019; 27:2710-2718. [PMID: 30631909 DOI: 10.1007/s00167-018-5317-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 12/04/2018] [Indexed: 01/10/2023]
Abstract
PURPOSE The literature shows no consensus regarding the best method and timing for the treatment of acute knee dislocations. Studies indicate that a one-stage procedure performed in the early stages of injury can lead to superior results. The aim of this study was to evaluate the results after performing early surgical repair with additional suture augmentation (ligament bracing) of all torn ligaments in acute knee dislocations. METHODS In this prospective multicentre study, 73 patients with an acute type III or IV knee dislocation were treated with one-stage ligament bracing within 10 days. Twenty-six patients sustained a type III medial dislocation, thirty-nine patients sustained a type III lateral dislocation, and eight patients presented a type IV dislocation. Four patients were lost to follow-up. Within the follow-up evaluation, various scores were collected (International Knee Documentation Committee IKDC Score, Tegner Score and Lysholm Score). Additional stress radiography was performed (Telos™) postoperatively. RESULTS Sixty-nine knee dislocations (Schenck III and IV) with a follow-up at a mean of 14 ± 1.6 months were evaluated. The average IKDC score was 75.5 ± 14.5, the average Lysholm score was 81.0 ± 15.5, and the median loss of activity in the Tegner score was 1 (range 0-3) point. Stress radiographs showed side-to-side differences at a mean of 3.2 ± 1.3 mm for the anterior cruciate ligament (ACL) and of 2.9 ± 2.1 mm for the posterior cruciate ligament (PCL). The operative revision rate (early and late) was 17.4%. In the early stage, one wound infection and one case of transient common peroneal nerve (CPN) paresis were successfully revised. In the later stage, four patients with knee stiffness and six cases with symptomatic knee instability needed reoperation. Patients without ultra-low velocity (ULV) dislocations or CPN showed good or excellent results in 87.5% according to the Lysholm score. CONCLUSION In cases of acute knee dislocation, primary ACL and PCL transosseous sutures with additional suture augmentation predominantly lead to good and excellent clinical results. Obese patients sustaining ultra-low velocity (ULV) dislocations and patients following injury to the CPN show inferior outcomes. In patients without ULV and CPN intraoperative and postoperative complications occurred in 10.1%. The obtained results and revision rates show that early primary suture repair is a promising option. LEVEL OF EVIDENCE Prospective multicentre study, II.
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Abstract
The internal brace is a ligament repair bridging concept using braided ultra-high-molecular-weight polyethylene suture tape and knotless bone anchors to reinforce ligament strength to allow early mobilization during early-phase healing. This concept can be used in the management of anterior cruciate ligament, posterior cruciate ligament, anterolateral ligament, medial collateral ligament, posteromedial corner, and posterolateral corner injuries. Ligament reinforcement is a concept in which a graft is reinforced and can be used in all aspects of knee ligament reconstruction. There has been a recent resurgence in ligament repair and recent evidence suggests equivalent outcome results.
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Affiliation(s)
- John Dabis
- Department of Orthopaedics, Brisbane Private Hospital, Level 6, Specialist Centre, 259 Wickham Terrace, Spring Hill, QLD 4000, Australia.
| | - Adrian Wilson
- The Wellington and Portland Children's Hospitals, Queen Anne Street Medical Centre, 18-22, Queen Anne Street, London W1G 8HU, UK
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Osti M, El Attal R, Doskar W, Höck P, Smekal V. High complication rate following dynamic intraligamentary stabilization for primary repair of the anterior cruciate ligament. Knee Surg Sports Traumatol Arthrosc 2019; 27:29-36. [PMID: 30032314 DOI: 10.1007/s00167-018-5067-3] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 07/13/2018] [Indexed: 02/08/2023]
Abstract
PURPOSE New strategies for dynamic intraligamentary stabilization (DIS) in the primary repair of anterior cruciate ligament (ACL) ruptures are currently under debate. It has been proposed that these might serve as alternative techniques to conventional ACL reconstruction procedures using tendon autografts. The aims of the present investigation were to evaluate the functional results and critically assess the complication rate following primary ACL repair with DIS and to review existing reports of favourable clinical results with the method in relation to knee joint stability and patient satisfaction. METHODS Fifty-nine patients received dynamic intraligamentary stabilization a mean of 14 days after ACL rupture. Fifty-seven patients (96.6%, male:female = 37:20; mean age 27.6 years) were available for follow-up examinations including the Tegner activity level, anteroposterior stability in comparison with the uninjured knee, subjective satisfaction, and range of knee motion. Complications after 3 and 12 months were also analyzed. Associated lesions requiring surgical measures were found in 30 patients. RESULTS A statistically significant decrease in Tegner activity levels was detected between the preoperative status (median 7) and the 12-month follow-up (median 5). The overall complication rate was 57.9%, including rerupture or non-healing (n = 10, 17.5%), repeat arthroscopy (n = 13, 22.8%) as a result of meniscus tears (n = 2, 15.4%), cyclops syndrome (n = 4, 30.8%) or restricted range of motion (n = 7, 53.8%), arthrofibrosis (n = 3, 5.3%), and implant interference (n = 7, 12.3%). Anteroposterior KT-1000 stability of 3 mm or below was achieved in 29 (50.9%) patients. CONCLUSIONS The DIS procedure does not appear to be appropriate for providing predictable results in a young and active cohort of patients following ACL rupture, as it has an unacceptably high complication rate and leads to residual anteroposterior knee joint laxity of 3 mm or more in 28 (49.1%) of cases. LEVEL OF EVIDENCE IV (prospective case series).
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Affiliation(s)
- Michael Osti
- Department for Trauma Surgery and Sports Traumatology, Academic Hospital Feldkirch, Carinagasse 47, 6800, Feldkirch, Austria
| | - Rene El Attal
- Department for Trauma Surgery and Sports Traumatology, Academic Hospital Feldkirch, Carinagasse 47, 6800, Feldkirch, Austria.
| | - Wolfgang Doskar
- AUVA Trauma Centre Klagenfurt, Waidmannsdorfer Straße 35, 9020, Klagenfurt am Wörthersee, Austria
| | - Paul Höck
- AUVA Trauma Centre Klagenfurt, Waidmannsdorfer Straße 35, 9020, Klagenfurt am Wörthersee, Austria
| | - Vinzenz Smekal
- AUVA Trauma Centre Klagenfurt, Waidmannsdorfer Straße 35, 9020, Klagenfurt am Wörthersee, Austria
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Achtnich A, Schmitt A, Forkel P, Imhoff AB, Beitzel K. [Acute injury of the posterior cruciate ligament with femoral avulsion : Arthroscopic ligament repair and bracing]. OPERATIVE ORTHOPADIE UND TRAUMATOLOGIE 2018; 31:12-19. [PMID: 30478635 DOI: 10.1007/s00064-018-0578-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 09/04/2018] [Accepted: 09/28/2018] [Indexed: 11/24/2022]
Abstract
OBJECTIVE The aim of arthroscopic bracing of the posterior cruciate ligament (PCL) is to restore anatomic and biomechanic function in acute PCL tears. Therefore, primary augmentation of the PCL by using a stable suturing system is used. INDICATIONS Acute tears of the PCL, femoral avulsions, isolated or combined in cases of multiligament injuries (knee dislocations of Schenk types II-IV). CONTRAINDICATIONS Chronic instabilities of the PCL, infection of the knee joint. SURGICAL TECHNIQUE Arthroscopic preparation of the femoral PCL footprint. Suturing of the PCL stump with non-resorbable sutures. Placement of the femoral and tibial tunnel with a specific arthroscopic PCL guide. Femoral fixation of the bracing system and the PCL augmenting sutures extracortical via a button or intraarticular with a suture anchor. Tibial fixation via a button has to be performed in a minimum of 80° of flexion and under permanent anterior drawer tension. POSTOPERATIVE MANAGEMENT Brace in full extension with posterior support 24 h/day, range of motion (ROM) restricted up to 90° of flexion and limited weight bearing with 20 kg for the first 6 weeks postoperatively. After 6 weeks, weight bearing and ROM can be increased and a solid frame brace with posterior support is recommended for the next 6 weeks.
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Affiliation(s)
- A Achtnich
- Abteilung für Sportorthopädie, Klinikum rechts der Isar, TU München, Ismaninger Str. 22, 81675, München, Deutschland.
| | - A Schmitt
- Abteilung für Sportorthopädie, Klinikum rechts der Isar, TU München, Ismaninger Str. 22, 81675, München, Deutschland
| | - P Forkel
- Abteilung für Sportorthopädie, Klinikum rechts der Isar, TU München, Ismaninger Str. 22, 81675, München, Deutschland
| | - A B Imhoff
- Abteilung für Sportorthopädie, Klinikum rechts der Isar, TU München, Ismaninger Str. 22, 81675, München, Deutschland
| | - K Beitzel
- Abteilung für Sportorthopädie, Klinikum rechts der Isar, TU München, Ismaninger Str. 22, 81675, München, Deutschland
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Vordere Kreuzbandruptur im Wachstumsalter. ARTHROSKOPIE 2018. [DOI: 10.1007/s00142-018-0206-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Schliemann B, Glasbrenner J, Rosenbaum D, Lammers K, Herbort M, Domnick C, Raschke MJ, Kösters C. Changes in gait pattern and early functional results after ACL repair are comparable to those of ACL reconstruction. Knee Surg Sports Traumatol Arthrosc 2018; 26:374-380. [PMID: 28674740 DOI: 10.1007/s00167-017-4618-3] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 06/19/2017] [Indexed: 01/12/2023]
Abstract
PURPOSE Dynamic intraligamentary stabilization (DIS) has been introduced as a new technique to repair the torn anterior cruciate ligament (ACL) and to restore knee joint kinematics after an acute ACL tear. Aim of the present study was to compare the early post-operative activity, restoration of gait pattern and functional results after DIS in comparison with primary ACL reconstruction (ACLR) for acute ACL tears. It was hypothesized that functional results, post-operative activity and changes in gait pattern after DIS are comparable to those after ACLR. METHODS Sixty patients with acute ACL tears were included in this study and underwent either DIS or ACLR with an anatomic semitendinosus autograft in a randomized manner. Patients were equipped with an accelerometric step counter for the first 6 weeks after surgery in order to monitor their early post-operative activity. 3D gait analysis was performed at 6 weeks and 6 months after surgery. Temporal-spatial, kinematic and kinetic parameters were extracted and averaged for each subject. Functional results were recorded at 6 weeks, 6 months and 12 months after surgery using the Tegner activity scale, International Knee Documentation Committee score and Lysholm score. RESULTS Patients who underwent DIS showed an increased early post-operative activity with significant differences at week 2 and 3 (p = 0.0241 and 0.0220). No significant differences between groups were found for knee kinematic and kinetic parameters or the functional scores at any time of the follow-up. Furthermore, the difference in anterior tibial translation was not significantly different between the two groups (n.s.). CONCLUSION Early functional results and changes in gait pattern after DIS are comparable to those of primary ACLR. Therefore, ACL repair may be an alternative to ACLR in this cohort of patients. LEVEL OF EVIDENCE I.
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Affiliation(s)
- Benedikt Schliemann
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Münster, Albert-Schweitzer-Campus, Building W1, 48149, Münster, Germany.
| | - Johannes Glasbrenner
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Münster, Albert-Schweitzer-Campus, Building W1, 48149, Münster, Germany
| | - Dieter Rosenbaum
- Movement Analysis Lab, Institute for Experimental Musculoskeletal Medicine, University Hospital Münster, Albert-Schweitzer-Campus 1, Building D3, 48149, Münster, Germany
| | - Katharina Lammers
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Münster, Albert-Schweitzer-Campus, Building W1, 48149, Münster, Germany
| | - Mirco Herbort
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Münster, Albert-Schweitzer-Campus, Building W1, 48149, Münster, Germany
| | - Christoph Domnick
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Münster, Albert-Schweitzer-Campus, Building W1, 48149, Münster, Germany
| | - Michael J Raschke
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Münster, Albert-Schweitzer-Campus, Building W1, 48149, Münster, Germany
| | - Clemens Kösters
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Münster, Albert-Schweitzer-Campus, Building W1, 48149, Münster, Germany
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Regauer M, Mackay G, Lange M, Kammerlander C, Böcker W. Syndesmotic InternalBrace TM for anatomic distal tibiofibular ligament augmentation. World J Orthop 2017; 8:301-309. [PMID: 28473957 PMCID: PMC5396014 DOI: 10.5312/wjo.v8.i4.301] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 12/22/2016] [Accepted: 02/13/2017] [Indexed: 02/06/2023] Open
Abstract
Reconstruction of unstable syndesmotic injuries is not trivial, and there is no generally accepted treatment guidelines. Thus, there still remain considerable controversies regarding diagnosis, classification and treatment of syndesmotic injuries. Syndesmotic malreduction is the most common indication for early re-operation after ankle fracture surgery, and widening of the ankle mortise by only 1 mm decreases the contact area of the tibiotalar joint by 42%. Outcome of ankle fractures with syndesmosis injury is worse than without, even after surgical syndesmotic stabilization. This may be due to a high incidence of syndesmotic malreduction revealed by increasing postoperative computed tomography controls. Therefore, even open visualization of the syndesmosis during the reduction maneuver has been recommended. Thus, the most important clinical predictor of outcome is consistently reported as accuracy of anatomic reduction of the injured syndesmosis. In this context the TightRope® system is reported to have advantages compared to classical syndesmotic screws. However, rotational instability of the distal fibula cannot be safely limited by use of 1 or even 2 TightRopes®. Therefore, we developed a new syndesmotic InternalBraceTM technique for improved anatomic distal tibiofibular ligament augmentation to protect healing of the injured native ligaments. The InternalBraceTM technique was developed by Gordon Mackay from Scotland in 2012 using SwiveLocks® for knotless aperture fixation of a FiberTape® at the anatomic footprints of the augmented ligaments, and augmentation of the anterior talofibular ligament, the deltoid ligament, the spring ligament and the medial collateral ligaments of the knee have been published so far. According to the individual injury pattern, patients can either be treated by the new syndesmotic InternalBraceTM technique alone as a single anterior stabilization, or in combination with one posteriorly directed TightRope® as a double stabilization, or in combination with one TightRope® and a posterolateral malleolar screw fixation as a triple stabilization. Moreover, the syndesmotic InternalBraceTM technique is suitable for anatomic refixation of displaced bony avulsion fragments too small for screw fixation and for indirect reduction of small posterolateral tibial avulsion fragments by anatomic reduction of the anterior syndesmosis with an InternalBraceTM after osteosynthesis of the distal fibula. In this paper, comprehensively illustrated clinical examples show that anatomic reconstruction with rotational stabilization of the syndesmosis can be realized by use of our new syndesmotic InternalBraceTM technique. A clinical trial for evaluation of the functional outcomes has been started at our hospital.
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Domnick C, Raschke MJ, Herbort M. Biomechanics of the anterior cruciate ligament: Physiology, rupture and reconstruction techniques. World J Orthop 2016; 7:82-93. [PMID: 26925379 PMCID: PMC4757662 DOI: 10.5312/wjo.v7.i2.82] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Revised: 09/05/2015] [Accepted: 12/02/2015] [Indexed: 02/06/2023] Open
Abstract
The influences and mechanisms of the physiology, rupture and reconstruction of the anterior cruciate ligament (ACL) on kinematics and clinical outcomes have been investigated in many biomechanical and clinical studies over the last several decades. The knee is a complex joint with shifting contact points, pressures and axes that are affected when a ligament is injured. The ACL, as one of the intra-articular ligaments, has a strong influence on the resulting kinematics. Often, other meniscal or ligamentous injuries accompany ACL ruptures and further deteriorate the resulting kinematics and clinical outcomes. Knowing the surgical options, anatomic relations and current evidence to restore ACL function and considering the influence of concomitant injuries on resulting kinematics to restore full function can together help to achieve an optimal outcome.
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Naht und Refixation des medialen Kollateralbandkomplexes bei schwerer akuter medialer Instabilität des Kniegelenks. OPERATIVE ORTHOPADIE UND TRAUMATOLOGIE 2015; 27:155-71. [DOI: 10.1007/s00064-015-0360-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2014] [Revised: 12/06/2014] [Accepted: 12/28/2014] [Indexed: 10/23/2022]
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