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Abudaqqa RY, Abed AR, Toubasi AA, Hantouly AT, Al Mas AJ, Abushaaban FA, Arun KP, Elshoeibi AM. Stand-Alone Tibial Interference Screw Fixation and Tibial Interference Screw Plus Tibial Staple Fixation Produce Comparable Outcomes After Primary Anterior Cruciate Ligament Reconstruction Using Hamstring Autografts. Arthrosc Sports Med Rehabil 2023; 5:100810. [PMID: 37881192 PMCID: PMC10594557 DOI: 10.1016/j.asmr.2023.100810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 08/31/2023] [Indexed: 10/27/2023] Open
Abstract
Purpose To investigate the impact of adding a metal staple alongside the interference screw in tibial side graft fixation during anterior cruciate ligament reconstruction (ACLR). Methods All patients treated with autograft hamstring ACLR at our institution between January 2017 and December 2021 with a minimum 1-year follow-up were reviewed retrospectively. Patients treated with a stand-alone interference screw for tibial side fixation were compared with those treated with a combination of interference screw and staple. The primary outcome was failure of the reconstructed graft. Secondary outcomes were operative time, complication rate, and reoperation rate. Results A total of 497 patients met the study's inclusion and exclusion criteria. A combination of staple and interference screw was used in 167 patients (33.6%), whereas a standalone interference screw was used in 330 patients. There was no significant difference between the 2 groups in terms of operative time, complication rate, or failure rate. The mean follow-up was 23.25 (±13.29) months. Conclusions Our results demonstrate that augmenting the interference screw with a staple for tibial-side fixation in ACLR does not have a significant impact on operative time, reoperation rate, complications, or failure rates. Level of Evidence Level III, retrospective cohort study.
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Affiliation(s)
- Raed Y. Abudaqqa
- Hamad Medical Corporation, Orthopedic Department, Alkhor Hospital, Qatar
| | - Ahmad R. Abed
- Hamad Medical Corporation, Orthopedic Department, Alkhor Hospital, Qatar
| | | | | | - Ali J. Al Mas
- Hamad Medical Corporation, Orthopedic Department, Alkhor Hospital, Qatar
| | | | - Kariyal P. Arun
- Hamad Medical Corporation, Orthopedic Department, Alkhor Hospital, Qatar
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Götschi T, Hodel S, Kühne N, Bachmann E, Li X, Zimmermann SM, Snedeker JG, Fucentese SF. Osteoconductive Scaffold Placed at the Femoral Tunnel Aperture in Hamstring Tendon ACL Reconstruction: A Randomized Controlled Trial. Orthop J Sports Med 2023; 11:23259671231174478. [PMID: 37347015 PMCID: PMC10280525 DOI: 10.1177/23259671231174478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 02/22/2023] [Indexed: 06/23/2023] Open
Abstract
Background Bone tunnel enlargement after single-bundle anterior cruciate ligament reconstruction remains an unsolved problem that complicates revision surgery. Hypothesis Positioning of an osteoconductive scaffold at the femoral tunnel aperture improves graft-to-bone incorporation and thereby decreases bone tunnel widening. Study Design Randomized controlled trial; Level of evidence, 1. Methods In a 1:1 ratio, 56 patients undergoing primary anterior cruciate ligament reconstruction were randomized to receive femoral fixation with cortical suspension fixation and secondary press-fit fixation at the tunnel aperture of the tendon graft only (control) or with augmentation by an osteoconductive scaffold (intervention). Adverse events, patient-reported outcomes, and passive knee stability were recorded over 2 years after the index surgery. Three-dimensional bone tunnel widening was assessed using computed tomography at the time of surgery and 4.5 months and 1 year postoperatively. Results The intervention group exhibited a similar number of adverse events as the control group (8 vs 10; P = .775) including 2 partial reruptures in both groups. The approach was feasible, although 1 case was encountered where the osteoconductive scaffold was malpositioned without adversely affecting the patient's recovery. There was no difference between the intervention and control groups in femoral bone tunnel enlargement, as expressed by the relative change in tunnel volume from surgery to 4.5 months (mean ± SD, 36% ± 25% vs 40% ± 25%; P = .644) and 1 year (19% ± 20% vs 17% ± 25%; P =.698). Conclusion Press-fit graft fixation with an osteoconductive scaffold positioned at the femoral tunnel aperture is safe but does not decrease femoral bone tunnel enlargement at postoperative 1 year. Registration NCT03462823 (ClinicalTrials.gov identifier).
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Affiliation(s)
- Tobias Götschi
- Department of Orthopaedics, Balgrist
University Hospital, University of Zurich, Zurich, Switzerland
- Institute for Biomechanics, ETH Zurich,
Zurich, Switzerland
| | - Sandro Hodel
- Department of Orthopaedics, Balgrist
University Hospital, University of Zurich, Zurich, Switzerland
| | - Nathalie Kühne
- Department of Orthopaedics, Balgrist
University Hospital, University of Zurich, Zurich, Switzerland
| | | | - Xiang Li
- ZuriMED Technologies AG, Zurich,
Switzerland
| | - Stefan M. Zimmermann
- Department of Orthopaedics, Balgrist
University Hospital, University of Zurich, Zurich, Switzerland
| | - Jess G. Snedeker
- Department of Orthopaedics, Balgrist
University Hospital, University of Zurich, Zurich, Switzerland
- Institute for Biomechanics, ETH Zurich,
Zurich, Switzerland
| | - Sandro F. Fucentese
- Department of Orthopaedics, Balgrist
University Hospital, University of Zurich, Zurich, Switzerland
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Milam RJ, Drayer NJ, Wallace CS, Kang DG, Masini BD. Late tibial interference screw extrusion following anterior cruciate ligament reconstruction: A case report. Orthop Rev (Pavia) 2022; 14:37078. [PMID: 35936809 PMCID: PMC9353698 DOI: 10.52965/001c.37078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 05/21/2022] [Indexed: 01/27/2024] Open
Abstract
INTRODUCTION Interference screws are used as back-up fixation in anterior cruciate ligament reconstructions. Historically these were composed of metal, but recently surgeons have switched to using bioabsorbable screws as they cause less symptoms and are biomedically advantageous. Usually these screws are absorbed by the body within one to two years after surgery. CASE PRESENTATION A 32-year-old male presented with aseptic extrusion of his intact tibial bioabsorbable interference screw eight years following successful anterior cruciate ligament reconstruction. MANAGEMENT AND OUTCOMES Patient underwent laboratory evaluation and magnetic resonance imaging to rule out infection as an underlying cause. He went on to heal the wound without complication. CONCLUSION Late aseptic extrusion of tibial interference screw can occur; however, infectious etiologies should be carefully ruled out.
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Affiliation(s)
| | - Nicholas J Drayer
- Winn Army Community Hospital, Department of Orthopaedics, Fort Stewart, GA
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Xu B, Yin Y, Zhu Y, Yin Y, Fu W. Comparison of Bioabsorbable and Metallic Interference Screws for Graft Fixation During ACL Reconstruction: A Meta-analysis of Randomized Controlled Trials. Orthop J Sports Med 2021; 9:23259671211021577. [PMID: 34423056 PMCID: PMC8377324 DOI: 10.1177/23259671211021577] [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: 01/10/2021] [Accepted: 02/23/2021] [Indexed: 02/05/2023] Open
Abstract
Background Bioabsorbable interference screws and metallic interference screws are both widely used for graft fixation, but it remains unclear which screw type is superior. Purpose To compare clinical outcomes and complications between bioabsorbable and metallic interference screws for anterior cruciate ligament reconstruction (ACLR). Study Design Systematic review; Level of evidence, 1. Methods The literature was searched for relevant randomized controlled trials published between 1966 and 2020. Two investigators independently assessed risk of bias in the included studies, and data were pooled to calculate mean differences (MDs) for continuous outcomes and risk ratios (RRs) for dichotomous outcomes, together with 95% CIs. Meta-analysis was performed using a random- or fixed-effects model, depending on the heterogeneity in the data. Results Included were 14 randomized controlled trials involving 1032 patients who underwent ACLR: 528 patients with bioabsorbable screws and 504 patients with metallic screws. The 2 groups did not differ significantly in International Knee Documentation Committee score (RR, 1.04; 95% CI, 0.97 to 1.11), Lysholm score (MD, 0.59; 95% CI, -0.46 to 1.63), range of motion deficit (RR, 0.95; 95% CI, 0.67 to 1.34), positive pivot-shift test (RR, 0.87; 95% CI, 0.61 to 1.24), positive Lachman test (RR, 0.82; 95% CI, 0.48 to 1.39), or KT-1000 arthrometer value (MD, 0.01; 95% CI, -0.16 to 0.18). However, bioabsorbable screws were associated with a significantly higher risk of complications (RR, 1.70; 95% CI, 1.16 to 2.50), such as graft rupture, joint effusion, and infection. Conclusion The results of this review showed that there was no difference between metallic and bioabsorbable screws for ACLR in terms of subjective knee function or knee laxity, but metallic interference screws had fewer complications.
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Affiliation(s)
- Baoyun Xu
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu City, Sichuan, China
| | - Yuling Yin
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu City, Sichuan, China
| | - Yanling Zhu
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu City, Sichuan, China
| | - Yu Yin
- Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing, China
| | - Weili Fu
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu City, Sichuan, China
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Barbosa NC, Campos JP, Capelão V, Kandhari V, Vieira TD, Sonnery-Cottet B. A comprehensive scoping review of tibial cysts after anterior cruciate ligament reconstruction. J Exp Orthop 2021; 8:40. [PMID: 34151381 PMCID: PMC8215013 DOI: 10.1186/s40634-021-00356-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 05/19/2021] [Indexed: 11/10/2022] Open
Abstract
Purpose The purpose of this study was to perform a scoping review of published literature reporting on surgical management of tibial cysts which developed after ACLR. Methods A scoping review was conducted following the Arksey and O’Malley framework for scoping studies and Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) extension for scoping reviews (PRISMA-ScR) guidelines. A search strategy using the terms [“Tibial Cyst” AND “ACL”], [“Pretibial Cyst” AND “ACL”] was applied to the PUBMED database. Results Thirty-seven studies published between 1990 and 2019 were a part of this scoping review. Non-absorbable implants for tibial graft fixation were used in 10 studies (comprising a total 21 patients), while bio-absorbable implants were used in 27 studies (comprising a total 115 patients). Incidence of tibial cyst was reported in 3 studies (434 primary ACLRs) from whom 3.9% (n = 17) developed tibial cyst. Tibial cyst development in relation to use of bio-absorbable screws for tibial ACL graft fixation was reported in 16 studies (42.1%). Use of bio-absorbable screws with another factor was found to be related to tibial cyst development in another 1 study (2.6%). Most common symptoms were presence of mass or swelling, pain, tenderness, drainage, instability and effusion. Conclusion This scoping review demonstrated that tibial cysts is more frequently related to bioabsorbable screws, however it can also occur due to other causes. Current literature on tibial cyst after ACLR is of low-quality evidence. Future research is required to better understand aetiology, risk factors for cyst formation and the best possible mode of management. Level of evidence IV Supplementary Information The online version contains supplementary material available at 10.1186/s40634-021-00356-9.
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Affiliation(s)
- Nuno Camelo Barbosa
- Hospital Pedro Hispano, Hospital Pedro Hispano Rua Dr. Eduardo Torres, Matosinhos, Portugal.
| | - João Pedro Campos
- Hospital Pedro Hispano, Hospital Pedro Hispano Rua Dr. Eduardo Torres, Matosinhos, Portugal
| | | | | | - Thais Dutra Vieira
- Centre Orthopédique Santy, Hopital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Bertrand Sonnery-Cottet
- Centre Orthopédique Santy, Hopital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
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Radiographic assessment of bone tunnels after anterior cruciate ligament reconstruction: A comparison of hamstring tendon and bone-patellar tendon-bone autografting technique. Jt Dis Relat Surg 2021; 32:122-128. [PMID: 33463427 PMCID: PMC8073458 DOI: 10.5606/ehc.2021.75694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 09/04/2020] [Indexed: 12/02/2022] Open
Abstract
Objectives
This study aims to compare the postoperative change of femoral and tibial tunnel widths after hamstring tendon (HT) and bone-patellar tendon-bone (BPTB) autografting in primary anterior cruciate ligament (ACL) reconstruction surgery with the anteromedial portal technique. Patients and methods
This case-control and retrospective study included 39 patients (36 males, 3 females; mean age 30.1±7.9; range, 17 to 44 years) who underwent primary ACL reconstruction surgery with either BPTB autografting method (BPTB group, n=18) or HT autografting method (HT group, n=21) between March 2014 and December 2016. Femoral fixation was achieved with bioabsorbable screw in BPTB group and endobutton in HT group. Tibial fixation was achieved with bioabsorbable interference screw in both groups. Femoral and tibial tunnel widths of groups were compared on digital radiographs. Results
When we compared the baseline values with the second-year results, the mean of femoral tunnel widths were significantly lower on radiographs at the second-year evaluation in both groups (p<0.001 for all). However, the means of tibial tunnel widths were significantly lower only in the BPTB group (p<0.001 for BPTB group and p=0.616 for HT group). Change levels of anteroposterior and lateral widths were more prominent in BPTB group than HT group (p<0.001 for all). Conclusion
Changes in tunnel widths show us superior ossification in BPTB grafting. This can be explained by superior bone-to-bone healing. As a result of radiological evaluation, we think that BPTB grafting can be more strong and durable.
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Shiwaku K, Suzuki T, Matsumura T, Takashima H, Otsubo H, Yamashita T. Bioabsorbable interference screws can be used with less tunnel widening in anatomic rectangular tunnel anterior cruciate ligament reconstruction with a bone-patellar-tendon-bone graft. Knee 2020; 27:1293-1299. [PMID: 33010741 DOI: 10.1016/j.knee.2020.06.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Revised: 04/18/2020] [Accepted: 06/30/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND The purpose of this study was to investigate postoperative tunnel widening after rectangular tunnel bone-patellar-tendon-bone graft anterior cruciate ligament reconstruction using newer-generation bioabsorbable interference screws. METHODS Forty-six patients who had undergone primary rectangular tunnel bone-patellar-tendon-bone graft anterior cruciate ligament reconstruction using MILAGRO bioabsorbable interference screws (DePuy Synthes, Warsaw, IN, USA) for femoral fixation and for whom computed tomography was performed at two weeks and one year postoperatively were included in this prospective study. To assess the tunnel widening, the cross-sectional area of the femoral tunnel aperture (compared between two weeks and one year postoperatively) was assessed using computed tomography. Cyst formation, postoperative screw breakage, screw migration, and graft migration were also evaluated using computed tomography one year postoperatively. RESULTS Mean tunnel widening was 1.9%, and the cross-sectional area of the femoral tunnel aperture was not significantly different between two weeks and one year postoperatively. Postoperative cyst formation, screw breakage, screw migration, and graft migration were not observed in any patient. CONCLUSIONS After rectangular tunnel bone-patellar-tendon-bone graft anterior cruciate ligament reconstruction using bioabsorbable interference screws for femoral fixation, tunnel widening was not observed via computed tomography analysis at two weeks and one year postoperatively.
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Affiliation(s)
- Kousuke Shiwaku
- Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Tomoyuki Suzuki
- Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan.
| | - Takashi Matsumura
- Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Hiroyuki Takashima
- Division of Radiology and Nuclear Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | | | - Toshihiko Yamashita
- Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan
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Mousavi SH, Masoumi O, Akbariaghdam H, Mohammadsharifi G. Investigation of Hamstring Tendon Graft Fixation for the Reconstruction of Anterior Cruciate Ligament using Interference Screw Merely or in Combination with Supplementary Staple: A Clinical Trial. Adv Biomed Res 2020; 9:52. [PMID: 33457335 PMCID: PMC7792865 DOI: 10.4103/abr.abr_257_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 01/21/2020] [Accepted: 05/18/2020] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Hamstring graft tendon for anterior cruciate ligament (ACL) reconstruction is a common approach worldwide. Tibial side graft fixation to achieve appropriate stability is a serious concern, worldwide. The current study aims to compare the outcomes of mere use of interference screw for fixation of hamstring tendon graft versus the use of interference screw plus supplementary staple. MATERIALS AND METHODS This is a randomized clinical trial conducted on 53 patients who underwent ACL reconstruction from 2016 to 2018. The study population was randomly divided into two groups: graft fixation with interference screw only and interference screw plus supplementary staple. Postoperative recovery time, postoperative clinical examinations, and the scale of the International Knee Documentation Committee were assessed for participants and compared between two groups. RESULTS Comparison of two groups regarding demographic information, including age, gender distribution, postoperative recovery time, and body mass index, showed no statistical difference (P > 0.05). Postoperative Pivot test was insignificantly positive in 4 (16.7%) cases of screw interference with supplementary staple while it was positive in 3 (10.7%) cases with screw interference only approach (P = 0.98). IKCD index was not statistically different between two groups postoperatively (P = 0.72), while IKCD scores changed significantly following the surgical procedure, regardless of the type of the surgical procedure (P < 0.001). CONCLUSION Use of supplementary staple beside interference screw was as successful as mere use of interference screw for fixation of hamstring tendon autologous graft of the ACL reconstruction, regarding force withstanding. The comparison of the two approaches revealed no remarkable difference.
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Affiliation(s)
- Sayed Hamid Mousavi
- Department of Orthopedics, Kashani Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Omid Masoumi
- Department of Orthopedics, Al-Zahra Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hossein Akbariaghdam
- Department of Orthopedics, Kashani Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ghasem Mohammadsharifi
- Department of Orthopedics, Al-Zahra Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
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Wang Y, Lei G, Zeng C, Wei J, He H, Li X, Zhu Z, Wang H, Wu Z, Wang N, Ding X, Li H. Comparative Risk-Benefit Profiles of Individual Devices for Graft Fixation in Anterior Cruciate Ligament Reconstruction: A Systematic Review and Network Meta-analysis. Arthroscopy 2020; 36:1953-1972. [PMID: 32360701 DOI: 10.1016/j.arthro.2020.04.023] [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: 09/28/2019] [Revised: 04/05/2020] [Accepted: 04/10/2020] [Indexed: 02/08/2023]
Abstract
PURPOSE To compare the efficacy and safety of individual devices for femoral and/or tibial graft fixation in anterior cruciate ligament (ACL) reconstruction. METHODS The PubMed, Embase, Cochrane Library, and Web of Science databases were searched from inception to December 12, 2018. Randomized controlled trials comparing individual devices for ACL graft fixation were included. Bayesian network meta-analysis was performed to assess the efficacy profile using the following outcomes: Lysholm score, International Knee Documentation Committee (IKDC) category, laxity, range of motion, and Tegner score. The incidence of infection, effusion, and graft rupture for each device was reported. RESULTS We included 57 randomized controlled trials involving 4,304 patients aged 23.8 to 40.9 years. The female proportion ranged from 0% to 100%. The length of follow-up ranged from 6 to 144 months. Of the 13 studied femoral fixation devices, none was significantly different from the others regarding the Lysholm score, IKDC category, range of motion, and Tegner score. Bioabsorbable interference screws (standardized mean difference, 1.3; 95% credible interval, 0.0-2.5) showed higher laxity than the EndoPearl at a borderline level of statistical significance, but the difference varied substantially within multiple sensitivity analyses. Infection (2.0%) was most commonly seen with the EndoPearl, whereas the bone mulch screw had the highest incidence of effusion (5.5%) and graft rupture (5.5%). For the 9 studied tibial fixation devices, no significant difference was observed in the aforementioned efficacy measurements. Bioabsorbable interference screws with staples had the highest incidence of infection (11.1%) and effusion (15.6%), whereas graft rupture was most commonly seen with the bone plug (4.0%). CONCLUSIONS Graft fixation devices in ACL reconstruction share a similar efficacy profile in terms of the Lysholm score, IKDC category, range of motion, and Tegner score but not laxity. On the other hand, safety profiles seem to vary among different devices. These findings can support surgeons, alongside their experience and preference, as well as the relative cost of each device, in delivering an individualized plan for an optimal operation. LEVEL OF EVIDENCE Level II, meta-analysis of Level I and II studies.
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Affiliation(s)
- Yilun Wang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Guanghua Lei
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, China; National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China; Hunan Engineering Research Center of Osteoarthritis, Changsha, China
| | - Chao Zeng
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China; Division of Rheumatology, Allergy, and Immunology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, U.S.A.; The Mongan Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, U.S.A
| | - Jie Wei
- Division of Rheumatology, Allergy, and Immunology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, U.S.A.; The Mongan Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, U.S.A.; Health Management Center, Xiangya Hospital, Central South University, Changsha, China
| | - Hongyi He
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Xiaoxiao Li
- Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, China
| | - Zhenglei Zhu
- Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, China
| | - Haochen Wang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Ziying Wu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Ning Wang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Xiang Ding
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Hui Li
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.
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10
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Sundaraj K, Salmon LJ, Heath EL, Winalski CS, Colak C, Vasanji A, Roe JP, Pinczewski LA. Bioabsorbable Versus Titanium Screws in Anterior Cruciate Ligament Reconstruction Using Hamstring Autograft: A Prospective, Randomized Controlled Trial With 13-Year Follow-up. Am J Sports Med 2020; 48:1316-1326. [PMID: 32302205 DOI: 10.1177/0363546520911024] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Bioabsorbable screws for anterior cruciate ligament reconstruction (ACLR) have been a popular choice, with theoretical advantages in imaging and surgery. Titanium and poly-L-lactic acid with hydroxyapatite (PLLA-HA) screws have been compared, but with less than a decade of follow-up. PURPOSE/HYPOTHESIS The purpose was to compare long-term outcomes of hamstring autograft ACLR using either PLLA-HA screws or titanium screws. We hypothesized there would be no difference at 13 years in clinical scores or tunnel widening between PLLA-HA and titanium screw types, along with high-grade resorption and ossification of PLLA-HA screws. STUDY DESIGN Randomized controlled trial; Level of evidence, 1. METHODS Forty patients undergoing ACLR were randomized to receive either a PLLA-HA screw or a titanium screw for ACL hamstring autograft fixation. Blinded evaluation was performed at 2, 5, and 13 years using the International Knee Documentation Committee score, Lysholm knee score, and KT-1000 arthrometer. Magnetic resonance imaging (MRI) was performed at 2 or 5 years and 13 years to evaluate tunnel volumes, ossification around the screw, graft integration, and cyst formation. Computed tomography (CT) of patients with PLLA-HA was performed at 13 years to evaluate tunnel volumes and intratunnel ossification. RESULTS No differences were seen in clinical outcomes at 2, 5, or 13 years between the 2 groups. At 13 years, tibial tunnel volumes were smaller for the PLLA-HA group (2.17 cm3) compared with the titanium group (3.33 cm3; P = .004). By 13 years, the PLLA-HA group had complete or nearly complete resorption on MRI or CT scan. CONCLUSION Equivalent clinical results were found between PLLA-HA and titanium groups at 2, 5, and 13 years. Although PLLA-HA screws had complete or nearly complete resorption by 13 years, tunnel volumes remained largely unchanged, with minimal ossification.
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Affiliation(s)
- Keran Sundaraj
- North Sydney Orthopaedic and Sports Medicine, Sydney, Australia
| | - Lucy J Salmon
- North Sydney Orthopaedic and Sports Medicine, Sydney, Australia
| | - Emma L Heath
- North Sydney Orthopaedic and Sports Medicine, Sydney, Australia
| | | | - Ceylan Colak
- Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | | | - Justin P Roe
- North Sydney Orthopaedic and Sports Medicine, Sydney, Australia
| | - Leo A Pinczewski
- North Sydney Orthopaedic and Sports Medicine, Sydney, Australia.,University of Notre Dame, Sydney, Australia
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11
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Patel NA, Choi JH, Wang D. Tibial Fixation Techniques for Soft-Tissue Grafts in Anterior Cruciate Ligament Reconstruction. JBJS Rev 2019; 7:e7. [PMID: 31880625 DOI: 10.2106/jbjs.rvw.19.00047] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Nilay A Patel
- Department of Orthopaedic Surgery, University of California Irvine, Orange, California
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12
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Kartus J, Cote MP. Invention Versus Gold Standard: A Hands-On Research Pearl on Study Design and Statistical Concerns. Arthroscopy 2018; 34:3266-3270. [PMID: 30414700 DOI: 10.1016/j.arthro.2018.08.044] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 08/25/2018] [Accepted: 08/30/2018] [Indexed: 02/02/2023]
Abstract
This article points out what is important to consider when planning to perform and analyze a commonly seen study involving a comparison of an innovation with something established. A hands-on guide on how to perform this type of research trial and how to choose proper statistical methods is given.
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Affiliation(s)
- Jüri Kartus
- NU-Hospital Group, Trollhättan, Sweden; University of Gothenburg, Gothenburg, Sweden.
| | - Mark P Cote
- UConn Health, Farmington, Connecticut, U.S.A
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Passive anterior tibia translation in anterior cruciate ligament-injured, anterior cruciate ligament-reconstructed and healthy knees: a systematic review. Musculoskelet Surg 2018; 103:121-130. [PMID: 30328030 PMCID: PMC6656892 DOI: 10.1007/s12306-018-0572-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Accepted: 10/06/2018] [Indexed: 01/01/2023]
Abstract
Abstract Anterior tibia translation (ATT) is mainly prevented by the anterior cruciate ligament. Passive ATT tests are commonly used to diagnose an anterior cruciate ligament (ACL) injury, to select patients for an ACL reconstruction (ACLR), and as an outcome measure after an ACLR. The aim of this review was to present an overview of possible factors determining ATT. A second purpose was to give a summary of the ATT measured in the literature in healthy, ACL-injured and ACLR knees and a comparison between those groups. A literature search was conducted with PubMed. Inclusion criteria were full-text primary studies published in English between January 2006 and October 2016. Studies included reported ATT in explicit data in healthy as well as ACL-injured or ACLR knees or in ACL-injured as well as ACLR knees. Sixty-one articles met inclusion criteria. Two articles measured the ATT in healthy as well as ACL-injured knees, 51 in ACL-injured as well as in ACLR knees, three in ACLR as well as in healthy knees and three in healthy, ACL-injured and ACLR knees. A difference in ATT is found between healthy, contralateral, ACLR and ACL-injured knees and between chronic and acute ACL injury. Graft choices and intra-articular injuries are factors which could affect the ATT. The mean ATT was lowest to highest in ACLR knees using a bone–patella tendon–bone autograft, ACLR knees using a hamstring autograft, contralateral healthy knees, healthy knees, ACLR knees with an allograft and ACL-injured knees. Factors which could affect the ATT are graft choice, ACL injury or reconstruction, intra-articular injuries and whether an ACL injury is chronic or acute. Comparison of ATT between studies should be taken with caution as a high number of different measurement methods are used. To be able to compare studies, more consistency in measuring devices used should be introduced to measuring ATT. The clinical relevance is that an autograft ACLR might give better results than an allograft ACLR as knee laxity is greater when using an allograft tendon. Level of evidence III.
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Persson A, Gifstad T, Lind M, Engebretsen L, Fjeldsgaard K, Drogset JO, Forssblad M, Espehaug B, Kjellsen AB, Fevang JM. Graft fixation influences revision risk after ACL reconstruction with hamstring tendon autografts. Acta Orthop 2018; 89:204-210. [PMID: 29171322 PMCID: PMC5901519 DOI: 10.1080/17453674.2017.1406243] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Background and purpose - A large number of fixation methods of hamstring tendon autograft (HT) are available for anterior cruciate ligament reconstruction (ACLR). Some studies report an association between fixation method and the risk of revision ACLR. We compared the risk of revision of various femoral and tibial fixation methods used for HT in Scandinavia 2004-2011. Materials and methods - A register-based study of 38,666 patients undergoing primary ACLRs with HT, with 1,042 revision ACLRs. The overall median follow-up time was 2.8 (0-8) years. Fixation devices used in a small number of patients were grouped according to design and the point of fixation. Results - The most common fixation methods were Endobutton (36%) and Rigidfix (31%) in the femur; and interference screw (48%) and Intrafix (34%) in the tibia. In a multivariable Cox regression model, the transfemoral fixations Rigidfix and Transfix had a lower risk of revision (HR 0.7 [95% CI 0.6-0.8] and 0.7 [CI 0.6-0.9] respectively) compared with Endobutton. In the tibia the retro interference screw had a higher risk of revision (HR 1.9 [CI 1.3-2.9]) compared with an interference screw. Interpretation - The choice of graft fixation influences the risk of revision after primary ACLR with hamstring tendon autograft.
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Affiliation(s)
- Andreas Persson
- Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway,University of Bergen, Faculty of Medicine and Dentistry, Department of Clinical Medicine, Bergen, Norway,Correspondence:
| | - Tone Gifstad
- Department of Orthopaedic Surgery, Trondheim University Hospital, Trondheim, Norway,Norwegian University of Science and Technology, Trondheim, Norway
| | - Martin Lind
- Department of Orthopaedics, Aarhus University Hospital, Aarhus, Denmark
| | - Lars Engebretsen
- Department of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway,Faculty of Medicine, University of Oslo, Oslo, Norway,Oslo Sports Trauma Center, Norwegian School of Sport Sciences, Oslo, Norway
| | - Knut Fjeldsgaard
- Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Jon Olav Drogset
- Department of Orthopaedic Surgery, Trondheim University Hospital, Trondheim, Norway,Norwegian University of Science and Technology, Trondheim, Norway
| | - Magnus Forssblad
- Stockholm Sports Trauma Research Center, Karolinska Institutet, Stockholm, Sweden
| | - Birgitte Espehaug
- Centre for Evidence-Based Practice, Bergen University College, Bergen, Norway
| | - Asle B Kjellsen
- Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Jonas M Fevang
- Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
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Eysturoy NH, Nissen KA, Nielsen T, Lind M. The Influence of Graft Fixation Methods on Revision Rates After Primary Anterior Cruciate Ligament Reconstruction. Am J Sports Med 2018; 46:524-530. [PMID: 29337596 DOI: 10.1177/0363546517748924] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND The method of graft fixation in primary anterior cruciate ligament (ACL) reconstruction is important for initial stability of the graft. Poor graft fixation can result in failure of the reconstruction. The effect of ACL graft fixation principles and fixation implant combinations on the risk of revision after ACL reconstruction is not well understood. PURPOSE The study aimed to compare the risk of revision among 4 categories of femoral fixation divided by their principle of function using a hamstring tendon (HT) graft only. Furthermore, this study aimed to compare the risk of revision among the most frequently used combinations (tibia and femur) of graft fixation implants in a national patient cohort. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS The authors divided the femoral fixation constructs into 4 categories by their principle of function: cortical suspensory fixation, adjustable cortical suspensory fixation, intratunnel transfixation, and interference screw (aperture) fixation. Data on revision rates and graft fixation methods were extracted from the Danish ACL Reconstruction Registry. The study included patients who underwent primary ACL reconstruction with either an HT or patellar tendon (PT) graft and were followed up at 2 to 10 years. Revision rates at 2-year and full follow-up were extracted for the category of graft fixation in the femur as well as for the most common implant combinations (those involving >175 patients). Patients with infrequently used fixation devices were excluded from this analysis. The HT group included 14 frequently used combinations (n > 175), and there were 2 such combinations in the PT group. A total of 13,200 ACL reconstructions were included in the study. For ACL reconstruction with an HT graft, there were 4680 with cortical suspensory fixation, 577 with adjustable cortical suspensory fixation, 5921 with intratunnel transfixation, and 617 with interference screw fixation. There were 1405 ACL reconstructions with a PT graft. RESULTS When only comparing primary ACL reconstructions using an HT graft, cortical suspensory fixation exhibited a significantly higher risk of revision at 2-year follow-up than the other categories of femoral fixation (hazard ratio [HR], 1.24 [95% CI, 1.07-1.44]; P < .05). Intratunnel transfixation exhibited a significantly lower risk of revision (HR, 0.83 [95% CI, 0.73-0.94]; P < .05). Comparing the most frequently used femoral/tibial fixation implant combinations with the mean risk of revision, Endobutton/Intrafix and Endobutton/Biosure PEEK for HT grafts exhibited an increased risk of revision, with an relative risk (RR) of 1.36 (95% CI, 1.03-1.81; P < .05) and 1.55 (95% CI, 1.15-2.09; P < .05), respectively. The Atlantech metal screw/metal screw and Softsilk/Softsilk combinations (both for PT grafts) exhibited a significantly decreased risk of revision, with an RR of 0.41 (95% CI, 0.18-0.91; P < .05) and 0.36 (95% CI, 0.15-0.87; P < .05), respectively. CONCLUSION When comparing ACL graft fixation methods in the 4 categories using an HT graft, cortical suspensory fixation was found to have a significantly increased risk of revision, while intratunnel transfixation exhibited a lower risk of revision. Both Endobutton/Intrafix and Endobutton/Biosure PEEK implant combinations exhibited a significantly higher risk of revision. For PT grafts, Atlantech metal screw/metal screw and Softsilk/Softsilk exhibited a significantly lower risk of revision.
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Affiliation(s)
- Niclas H Eysturoy
- Division of Sports Traumatology, Department of Orthopedics, Aarhus University Hospital, Aarhus, Denmark
| | - Kåre Amtoft Nissen
- Division of Sports Traumatology, Department of Orthopedics, Aarhus University Hospital, Aarhus, Denmark
| | - Torsten Nielsen
- Division of Sports Traumatology, Department of Orthopedics, Aarhus University Hospital, Aarhus, Denmark
| | - Martin Lind
- Division of Sports Traumatology, Department of Orthopedics, Aarhus University Hospital, Aarhus, Denmark
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de Padua VBC, Vilela JCR, Espindola WA, Godoy RCG. BONE TUNNEL ENLARGEMENT WITH NON-METALLIC INTERFERENCE SCREWS IN ACL RECONSTRUCTION. ACTA ORTOPEDICA BRASILEIRA 2018; 26:305-308. [PMID: 30464710 PMCID: PMC6220656 DOI: 10.1590/1413-785220182605199995] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2018] [Accepted: 06/26/2018] [Indexed: 11/21/2022]
Abstract
OBJECTIVE To compare the widening of bone tunnels between poly-etheretherketone (PEEK), absorbable polylactic acid DL (PLDL) and tricalcium phosphate (TCP) interference screws in anterior cruciate ligament (ACL) reconstruction. METHODS Three groups of patients undergoing ACL reconstruction with at least 1 year of follow-up using the out-in drilling technique and hamstring as a graft were assessed. The patients were divided according to the type of interference screw used (PEEK, PLDL and TCP). Computed tomography (CT) was performed to measure the greatest femoral and tibial tunnel widening regarding to the initial tunnel, and then it was compared between groups. RESULTS Mean widening in group 1 (PEEK) was 39.56% (SD 16%) in the femoral tunnel and 33.65% (SD 20%) in the tibia. In group 2 (PLDL) mean widening was 48.43% in the femoral tunnel (SD 18%) and 35.24% (SD 13%) in the tibial tunnel. In group 3 (TCP) mean widening was 44.51% in the femur (SD 14%) and 36.83% in the tibia (SD 14%). The comparison between groups (PLDL-PEEK, PLDL-TCP, PEEK-TCP) shows no statistically significant difference. CONCLUSION Bone tunnel enlargement values after ACL reconstruction with the use of different types of materials (bioinert and biomaterials) of interference screws (PEEK, PLDL and TCP) were similar. Level of Evidence III, Comparative retrospective study.
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Affiliation(s)
- Vitor Barion Castro de Padua
- Associação Beneficíente Hospital Universitário (ABHU), Marília, SP, Brazil
- Clínica Traumato-Ortopédica Prof. Dr. Hilário Maldonado, Marília, SP, Brazil
| | - Júlio Cesar Rodrigues Vilela
- Associação Beneficíente Hospital Universitário (ABHU), Marília, SP, Brazil
- Clínica Traumato-Ortopédica Prof. Dr. Hilário Maldonado, Marília, SP, Brazil
| | - Wendel Aculha Espindola
- Associação Beneficíente Hospital Universitário (ABHU), Marília, SP, Brazil
- Clínica Traumato-Ortopédica Prof. Dr. Hilário Maldonado, Marília, SP, Brazil
| | - Rafael Cassiolato Garcia Godoy
- Associação Beneficíente Hospital Universitário (ABHU), Marília, SP, Brazil
- Clínica Traumato-Ortopédica Prof. Dr. Hilário Maldonado, Marília, SP, Brazil
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Karikis I, Ejerhed L, Sernert N, Rostgård-Christensen L, Kartus J. Radiographic Tibial Tunnel Assessment After Anterior Cruciate Ligament Reconstruction Using Hamstring Tendon Autografts and Biocomposite Screws: A Prospective Study With 5-Year Follow-Up. Arthroscopy 2017; 33:2184-2194. [PMID: 28822635 DOI: 10.1016/j.arthro.2017.06.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Revised: 06/14/2017] [Accepted: 06/19/2017] [Indexed: 02/02/2023]
Abstract
PURPOSE To radiographically assess the tibial tunnel up to 5 years after anterior cruciate ligament (ACL) reconstruction using hamstring tendon autografts and biocomposite interference screws. METHODS Fifty-one patients underwent anatomic single-bundle ACL reconstruction with metal interference screws in the femur and biocomposite interference screws in the tibia. Standardized digital radiographs with weight-bearing anteroposterior and lateral views of the index knee were taken in the early postoperative period and at 2 and 5 years postoperatively. Of 51 patients, 40 (78%) underwent radiographic assessment on all 3 occasions. Subjective and objective clinical assessments were obtained preoperatively and at the 5-year follow-up. RESULTS The mean follow-up period was 65 months (±3.9 months), with a minimum of 59 months. The width of the tibial tunnel on the anteroposterior view was 9.4 mm (±1.4 mm) in the early postoperative period and 9.2 mm (±1.5 mm) at 5 years (P = .64). The corresponding widths on the lateral view were 9.6 mm (±1.5 mm) in the early postoperative period and 9.0 mm (±1.4 mm) at 5 years (P = .014). In 33 of 40 patients (83%) the width of the tibial tunnel had decreased on 1 or both views at 5 years compared with the early postoperative period. The study group had improved significantly at the 5-year follow-up compared with the preoperative assessments in terms of the KT-1000 arthrometer laxity tests (MEDmetric, San Diego, CA), pivot-shift test, Tegner activity scale, and Lysholm knee score (P < .001). No correlations were found between the tunnel widths and the KT-1000 assessment. CONCLUSIONS In 83% of patients, the width of the tibial tunnel had decreased on 1 or both radiographic views at 5 years compared with the early postoperative period after ACL reconstruction using biocomposite interference screws. LEVEL OF EVIDENCE Level II, prospective study.
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Affiliation(s)
- Ioannis Karikis
- Department of Orthopaedics, NU Hospital Group, Trollhättan/Uddevalla, Sweden; Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
| | - Lars Ejerhed
- Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Department of Research and Development, NU Hospital Group, Trollhättan, Sweden
| | - Ninni Sernert
- Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Department of Research and Development, NU Hospital Group, Trollhättan, Sweden
| | | | - Jüri Kartus
- Department of Orthopaedics, NU Hospital Group, Trollhättan/Uddevalla, Sweden; Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Department of Research and Development, NU Hospital Group, Trollhättan, Sweden
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18
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Pinczewski LA, Salmon LJ. Editorial Commentary: The Acrid Bioscrew in Anterior Cruciate Ligament Reconstruction of the Knee. Arthroscopy 2017; 33:2195-2197. [PMID: 29198356 DOI: 10.1016/j.arthro.2017.08.229] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 08/04/2017] [Indexed: 02/02/2023]
Abstract
Bioresorbable screws have been widely adopted for graft fixation in knee anterior cruciate ligament (ACL) reconstruction on the promise of screw resorbtion and replacement by bone. When considering the value of bioresorbable screws, it is imperative to understand that the "A" in PGA and PLA, the base ingredient of all bioscrews, is for Acid. All resorb by a process of hydrolysis; the speed and extent of resorbtion is determined by both the acidity of the screw and the environment in which it is placed. Regrettably, the promise of reliable, predictable screw resorbtion and replacement by bone remains elusive, despite the addition of "osteoconductive" materials. For the most part, bioresorbables are associated with good clinical outcomes for ACL reconstruction; they are not "dangerous," just disappointing with respect to bony replacement. We propose that nonresorbing inert plastics such as PEEK (polyether ether ketone) may be better suited for the purpose of graft fixation devices for ACL reconstruction.
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Delayed Tibial Osteomyelitis after Anterior Cruciate Ligament Reconstruction with Hamstrings Autograft and Bioabsorbable Interference Screw: A Case Report and Review of the Literature. Case Rep Orthop 2017; 2017:6383526. [PMID: 29163995 PMCID: PMC5661094 DOI: 10.1155/2017/6383526] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2017] [Revised: 09/01/2017] [Accepted: 09/07/2017] [Indexed: 12/05/2022] Open
Abstract
Osteomyelitis following arthroscopically assisted anterior cruciate ligament (ACL) reconstruction has rarely been reported in the literature. We report a case of a 20-year-old female who had delayed tibial osteomyelitis and a pretibial cyst with culture-positive, oxacillin sensitive Staphylococcus epidermidis 15 months after an ACL reconstruction with hamstring autograft. Soft tissue fixation within the tibial tunnel was with a poly-L-D-lactic acid (PLDLA) bioabsorbable interference screw. The patient underwent surgical treatment with curettage, debridement, hardware removal, and bone grafting of the tibial tunnel followed by a course of intravenous antibiotics. Arthroscopic evaluation demonstrated an intact ACL graft without any evidence of intra-articular infection. The patient returned to collegiate athletics without any complications. While the most common biologic complications include pretibial cysts, granuloma formation, tunnel widening, and inflammatory reactions, infection is exceedingly rare. Late infection and osteomyelitis are also rare but can occur and should be considered in the differential diagnosis.
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Wang JH, Lee ES, Lee BH. Paradoxical tunnel enlargement after ACL reconstruction with hamstring autografts when using β-TCP containing interference screws for tibial aperture fixation- prospectively comparative study. BMC Musculoskelet Disord 2017; 18:398. [PMID: 28915914 PMCID: PMC5602947 DOI: 10.1186/s12891-017-1757-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Accepted: 09/07/2017] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Tibial aperture fixation with a bioabsorbable interference screw is a popular fixation method in anterior cruciate ligament reconstruction (ACLR). An interference screw containing β-tricalcium phosphate (β-TCP) to improve bony integration and biocompatibility was recently introduced. This study aims to compare the clinical outcomes and radiological results of tunnel enlargement effect between the 2 bioabsorbable fixative devices of pure poly-L-lactic acid (PLLA) interference screws and β-TCP-containing screws, for tibial interference fixation in ACLR using hamstring autografts. METHODS Eighty consecutive patients who had undergone double-bundle ACLR between 2011 to 2012 were prospectively reviewed and randomly divided into two groups based on the type of tibial interference screw: 28 were assigned to the pure PLLA screw group (Group A), while the other 29 were assigned to the β-TCP-containing screw fixation group (Group B). Clinical evaluations and radiological analyses were conducted in both groups with a minimum 2- year follow-up. RESULTS There was no significant difference in subjective or objective clinical outcome between the 2 groups. In radiological analyses, the use of a β-TCP-containing screw reduced tunnel widening in the portion of the tunnel with screw engagement compared to the pure PLLA screw, while the use of a β-TCP-containing screw resulted in greater tunnel enlargement in the proximal portion of the tunnel without screw engagement than use of a pure PLLA screw. CONCLUSION Use of a β-TCP-containing interference screw in tibial aperture fixation reduced tunnel enlargement in the vicinity of the screw, whereas greater enlargement occurred proximal to the screw end relative to use of a pure PLLA interference screw. These paradoxical enlargements in use of β-TCP containing screws suggest that for reducing tunnel enlargement, the length of the interference screw should be as fit as possible with tunnel length in terms of using soft grafts. LEVEL OF EVIDENCE II, Prospectively comparative study. TRIAL REGISTRATION Retrospectively registered with ClinicalTrials.gov. (NCT02754674) , Date of trial registration: February 10, 2016.
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Affiliation(s)
- Joon Ho Wang
- Department of Orthopaedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, 06351, South Korea.,Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, South Korea.,Department of Medical Device Management and Research, SAIHST, Sungkyunkwan University, Seoul, South Korea
| | - Eun Su Lee
- Department of Orthopaedic Surgery, Dongbu Jaeil Hospital, Seoul, Republic of Korea
| | - Byung Hoon Lee
- Department of Orthopaedic Surgery, Kang-Dong Sacred Heart Hospital, Hallym University Medical Center, Gil-dong, Seoul, 134-701, South Korea.
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Browning WM, Kluczynski MA, Curatolo C, Marzo JM. Suspensory Versus Aperture Fixation of a Quadrupled Hamstring Tendon Autograft in Anterior Cruciate Ligament Reconstruction: A Meta-analysis. Am J Sports Med 2017; 45:2418-2427. [PMID: 28068159 DOI: 10.1177/0363546516680995] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Hamstring grafts have become a popular choice for anterior cruciate ligament (ACL) reconstruction; however, the most effective means of fixation of these soft tissue grafts is unknown. PURPOSE To determine whether suspensory or aperture fixation of hamstring tendon autografts provides better stability and clinical outcomes in ACL reconstruction. STUDY DESIGN Meta-analysis. METHODS A literature search of studies reporting single-bundle ACL reconstructions using 4-stranded hamstring tendon autografts with aperture or suspensory fixation with a minimum 24-month follow-up was conducted. Stability and clinical outcomes were compared for aperture versus suspensory fixation. Knee stability was measured with the Lachman or pivot-shift test or KT-1000 arthrometer side-to-side difference (SSD), and outcomes were determined with the International Knee Documentation Committee (IKDC), Tegner, and Lysholm scores as well as graft failures. A random-effects model with a pooled estimate for the between-study variance was used to estimate proportions or means for each outcome and its corresponding 95% CI. RESULTS Forty-one studies were included, of which 20 utilized suspensory fixation techniques and 21 utilized aperture fixation techniques. A >3-mm SSD was seen more often in the aperture group than the suspensory group, which was statistically significant ( P < .0001), but there was no significant difference between groups for a >5-mm SSD ( P = .53). The aperture group demonstrated significantly more graft ruptures than did the suspensory group ( P = .03). There were no statistically significant differences in Lachman grade 0 ( P = .76), grade 1 ( P = .89), and grade 2 ( P = .55) or pivot-shift grade 0 ( P = .72), grade 1 ( P = .97), and grade 2 ( P = .28). There was no statistically significant difference in mean continuous IKDC ( P = .80), Tegner ( P = .34), or Lysholm ( P = .84) scores. CONCLUSION This meta-analysis demonstrated improved overall arthrometric stability and fewer graft ruptures using suspensory fixation compared with aperture fixation of a quadrupled hamstring tendon autograft in ACL reconstruction. There were no differences in IKDC, Lysholm, Lachman, and pivot-shift outcomes between suspensory and aperture fixation.
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Affiliation(s)
| | - Melissa A Kluczynski
- Department of Orthopaedics, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA
| | - Christian Curatolo
- Department of Orthopaedics, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA
| | - John M Marzo
- Department of Orthopaedics, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA
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Resorbable screw and sheath versus resorbable interference screw and staples for ACL reconstruction: a comparison of two tibial fixation methods. Knee Surg Sports Traumatol Arthrosc 2017; 25:1264-1271. [PMID: 27120190 DOI: 10.1007/s00167-016-4135-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Accepted: 04/14/2016] [Indexed: 10/21/2022]
Abstract
PURPOSE The anterior cruciate ligament (ACL) reconstruction is one of the most performed and successful orthopaedic procedures. The results are considered independent by the choice of the graft and the fixation devices. A growing interest on resorbable non-metallic fixation devices versus standard metallic fixation devices has been noted over recent years with few clinical experiences reported in the literature. The aim of this study is to compare the clinical and radiological outcomes of patients undergoing ACL reconstruction using autologous hamstring tendons with tibial fixation by a centrally placed resorbable screw and sheath to a combination of an eccentrically placed resorbable interference screw and supplementary staple fixation. METHODS Ninety patients undergoing an isolated, single-bundle, primary ACL reconstruction with autologous hamstring tendons, using the same femoral fixation, were randomized to a tibial fixation with a centrally placed resorbable screw and sheath, BioIntrafix (group A), or an eccentrically placed resorbable interference screw, BioRCI, and two non-resorbable staples (group B). The latter has represented for many years our standard fixation method. Clinical evaluations (KOOS, IKDC, KT-2000™ side-to-side difference) and radiological analyses were conducted in both groups with a minimum follow-up of 2 years. RESULTS We assisted in a satisfactory pain relief and functional improvements, without significant clinical and radiological differences in both groups. No further surgery was needed in patients with the screw/sheath tibial fixation. Seven patients with the screw/staples tibial fixation needed the surgical removal of the fixation devices due to pes anserinus irritation or local infection years after the index operation. Other parameters such as the tunnel enlargement were not statistically different in the two groups. CONCLUSIONS Good clinical and radiological outcomes of ACL reconstruction by a screw/sheath tibial fixation have been reported showing comparable results with respect to screw/staples fixation. There were no failures associated with loss of fixation with either of tibial fixation methods. A fewer number of surgical removals of tibial devices were also recorded in patients treated by the screw/sheath fixation system, related to the absence of local intolerance or infection compared to subjects with a standard tibial fixation.
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Anterior cruciate ligament reconstruction tunnel size: causes of tunnel enlargement and implications for single versus two-stage revision reconstruction. Skeletal Radiol 2017; 46:161-169. [PMID: 27885380 DOI: 10.1007/s00256-016-2535-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 11/07/2016] [Accepted: 11/14/2016] [Indexed: 02/02/2023]
Abstract
Anterior cruciate ligament (ACL) reconstructions have increased over the past 25 years. The increased incidence of ACL reconstructions has translated into a larger number of graft failures and revision ACL procedures. It is important to understand the causes of graft failure when evaluating for a revision ACL reconstruction and to appreciate changes in tunnel anatomy over time prior to planning revision surgery. In this manuscript, tunnel size for ACL reconstruction and implications for single-stage versus two-stage revision ACL reconstruction will be discussed, as well as causes of tunnel enlargement, including mechanical and biological factors.
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Wylie JD, Marchand LS, Burks RT. Etiologic Factors That Lead to Failure After Primary Anterior Cruciate Ligament Surgery. Clin Sports Med 2017; 36:155-172. [DOI: 10.1016/j.csm.2016.08.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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26
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Debieux P, Franciozi CES, Lenza M, Tamaoki MJ, Magnussen RA, Faloppa F, Belloti JC. Bioabsorbable versus metallic interference screws for graft fixation in anterior cruciate ligament reconstruction. Cochrane Database Syst Rev 2016; 7:CD009772. [PMID: 27450741 PMCID: PMC6458013 DOI: 10.1002/14651858.cd009772.pub2] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
BACKGROUND Anterior cruciate ligament (ACL) tears are frequently treated with surgical reconstruction with grafts, frequently patella tendon or hamstrings. Interference screws are often used to secure the graft in bone tunnels in the femur and tibia. This review examines whether bioabsorbable interference screws give better results than metal interference screws when used for graft fixation in ACL reconstruction. OBJECTIVES To assess the effects (benefits and harms) of bioabsorbable versus metallic interference screws for graft fixation in ACL reconstruction. SEARCH METHODS We searched the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register, CENTRAL (the Cochrane Library), MEDLINE, Embase, LILACS, trial registers and reference lists of articles. Date of search: January 2016. SELECTION CRITERIA We included randomised controlled trials and quasi-randomised trials comparing bioabsorbable with metallic interferences screws in ACL reconstruction. The main outcomes sought were subjective-rated knee function, failure of treatment, and activity level. DATA COLLECTION AND ANALYSIS At least two review authors selected eligible trials, independently assessed risk of bias, and cross-checked data. Data were pooled whenever relevant and possible. Requests for further information were sent to the original study authors. MAIN RESULTS We included 12 trials (11 randomised and one quasi-randomised) involving a total of 944 participants, and reporting follow-up results for 774. Participants in the 12 trials underwent ACL reconstruction with either hamstring tendon grafts (five trials) or patellar tendon grafts (seven trials). Trials participants were randomly allocated to bioabsorbable or metallic interference screws for graft fixation in both femur and tibia (seven trials); femur only (three trials); tibia only (one trial); location was not reported in the remaining trial. A variety of materials was used for the bioabsorbable screws, Poly-L-lactic acid (PLLA) being the most common. The metallic screws, where reported, were titanium.All trials were at high risk of bias, which invariably included performance bias. Seven trials were at high risk of attrition bias and eight at high risk of reporting bias. The quasi-randomised trial was assessed as being at high risk for selection bias. Based on these study limitations and insufficiency of the available data, we judged the quality of evidence for all outcomes was very low.The majority of the available data for patient-reported knee function was presented as Lysholm scores (0 to 100; higher scores = better function). There was very low quality but consistent evidence of no clinically important differences between the two groups in Lysholm scores at 12 months follow-up (mean difference (MD) -0.08, 95% confidence interval (CI) -1.48 to 1.32; three trials, 168 participants); 24 months (MD 0.35, 95% CI -1.27 to 1.98; three trials, 113 participants) or five or more years follow-up (MD 1.23, 95% CI -2.00 to 4.47; two trials, 71 participants). This lack of between-group differences was also reported for Lysholm scores in several trials that did not provide sufficient data for pooling as well as for other self-reported knee function scores reported in several trials.Treatment failure was represented by the summed data for implant breakage during surgery and major postoperative complications (implant failure, graft rupture, symptomatic foreign body reactions, effusion and treated arthrofibrosis and related conditions) that were usually described in the trial reports as requiring further substantive treatment. There is very low-quality evidence of greater treatment failure in the bioabsorbable screw group (60/451 versus 29/434; risk ratio (RR) 1.94 favouring metallic screw fixation, 95% CI 1.29 to 2.93; 885 participants, 11 studies). In a population with an assumed risk (based on the median control group risk) of 56 participants per 1000 having treatment failure after metallic screw fixation, this equates to 53 more (95% CI 17 to 108 more) per 1000 participants having treatment failure after bioabsorbable screw fixation. All 16 intraoperative complications in the bioabsorbable screw group were implant breakages upon screw insertion. Treatment failure defined as postoperative complications only still favoured the metallic screw group but the 95% CI also included the potential for a greater risk of treatment failure after metallic screw fixation: 44/451 versus 29/434; RR 1.44, 95% CI 0.93 to 2.23. Based on the assumed risk of 56 participants per 1000 having postoperative treatment failure after metallic screw fixation, this equates to 25 more (95% CI 4 fewer and 69 more) per 1000 participants having this outcome after bioabsorbable screw fixation.There was very low-quality evidence of very similar activity levels in the two groups at 12 and 24 months follow-up measured via the Tegner score (0 to 10; higher scores = greater activity): 12 months (MD 0.08, 95% CI -0.39 to 0.55; 122 participants, two studies); 24 months (MD 0.01, 95% CI -0.54 to 0.57; 72 participants, two studies). AUTHORS' CONCLUSIONS There is very low-quality evidence of no difference in self-reported knee function and levels of activity between bioabsorbable and metallic interference screws for graft fixation in ACL reconstruction. There is very low-quality evidence that bioabsorbable screws may be associated with more overall treatment failures, including implant breakage during surgery. Further research does not appear to be a priority, but if undertaken, should also examine costs.
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Affiliation(s)
| | - Carlos ES Franciozi
- Universidade Federal de São PauloDepartment of Orthopaedics and TraumatologyRua Borges Lagoa, 783 ‐ 5th FloorSão PauloBrazil04038‐032
| | - Mário Lenza
- Hospital Israelita Albert EinsteinOrthopaedic and Trauma DepartmentSão PauloBrazil
| | - Marcel Jun Tamaoki
- Universidade Federal de São PauloDepartment of Orthopaedics and TraumatologyRua Borges Lagoa, 783 ‐ 5th FloorSão PauloBrazil04038‐032
| | - Robert A Magnussen
- The Ohio State University Medical CenterOrthopaedic Surgery2050 Kenny RdColumbusUSA43221
| | - Flávio Faloppa
- Universidade Federal de São PauloDepartment of Orthopaedics and TraumatologyRua Borges Lagoa, 783 ‐ 5th FloorSão PauloBrazil04038‐032
| | - João Carlos Belloti
- Universidade Federal de São PauloDepartment of Orthopaedics and TraumatologyRua Borges Lagoa, 783 ‐ 5th FloorSão PauloBrazil04038‐032
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Long Z, Kawaguchi S, Nagamune K. Development of Manual Measurement System with Stereo Markers for Lachman Test. JOURNAL OF ADVANCED COMPUTATIONAL INTELLIGENCE AND INTELLIGENT INFORMATICS 2016; 20:385-392. [DOI: 10.20965/jaciii.2016.p0385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/25/2024]
Abstract
The objective of this paper is to develop a manual measurement system (MMS) for the Lachman test using stereo markers. A novel calculation method that is fit for stereo markers is proposed to analyze knee joint motion in real-time based on the extraction of markers attached on the femur and tibia. In our experiments, knee extension movement and tibial translation are performed with imitation bones to evaluate the accuracy of the system. Further, a simulation of the Lachman test is performed in vivo measurement. The mean error of the knee extension movement in ten cases (range 0° to 90°) was 0.41° with a standard deviation of 0.44°. The mean error of the tibial translation was approximately 0.3 ± 0.9 mm. Experimental results confirmed the acceptable performance of the proposed measurement system, which can be considered for application in clinical manual tests.
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Abstract
Biodegradable implants allow clarity in postoperative imaging, easier revision, and fewer concerns about associated tissue damage. It is important to appreciate that different biodegradable materials have different properties and different degradation rates. Faster degradation can be associated with a greater inflammatory response. However, inflammation is a normal part of the degradation process. The concern arises when the inflammation is clinically significant.
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Gabler CM, Jacobs CA, Howard JS, Mattacola CG, Johnson DL. Comparison of Graft Failure Rate Between Autografts Placed via an Anatomic Anterior Cruciate Ligament Reconstruction Technique: A Systematic Review, Meta-analysis, and Meta-regression. Am J Sports Med 2016; 44:1069-79. [PMID: 25999439 DOI: 10.1177/0363546515584043] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Recent data from the Danish anterior cruciate ligament (ACL) registry demonstrated increased reoperation rates for hamstring tendon autografts when an anatomic ACL reconstruction is performed. This is consistent with reports of greater time needed for hamstring tendon autografts to mature compared with other autografts. PURPOSE To review the literature comparing graft failure rate between patellar and hamstring tendon autografts placed anatomically and to determine if there are differences in return to preinjury activity levels between autografts. STUDY DESIGN Systematic review with meta-analysis and meta-regression. METHODS The PubMed, MEDLINE, SPORTDiscus, and CINAHL databases were used to identify studies published from January 1, 2000, through March 7, 2014. To compare postoperative outcomes between patellar tendon and hamstring tendon autografts, summary event rates for graft failure and return to preinjury activity level were calculated. A meta-analysis was performed to calculate a summary odds ratio (OR) for graft failure between autografts using the studies that directly compared the 2 autografts. Meta-regression analyses were performed to assess the influence of postoperative follow-up time on graft failure rate. RESULTS A total of 28 studies reported graft failures for patellar tendon (6 studies) and hamstring tendon (26 studies) autografts used with anatomic ACL reconstruction; 4 of the 28 were comparison studies. Graft failure rate was not significantly different between patellar tendon (7.0% [95% CI, 4.6%-10.5%]) and hamstring tendon autografts (3.9% [95% CI, 2.7%-5.6%]). The odds of graft failure were slightly higher for hamstring tendon autografts (OR, 1.21 [95% CI, 0.63-2.33]), but this difference was not significant (P = .57). The rate of patients returning to preinjury activity levels was not significantly different between patellar (n = 1 study; 58.1% [95% CI, 40.4%-73.9%]) and hamstring tendon autografts (n = 5 studies; 75.6% [95% CI, 43.7%-92.5%]). Overall graft failure rate was positively associated with postoperative follow-up time, but this effect was only significant with hamstring tendon autografts (P < .05). CONCLUSION Differences in graft failure rate between patellar tendon and hamstring tendon autografts were not significant. Although follow-up time was only found to have a significant influence on hamstring tendon graft failure rates, this was likely due to the smaller sample of studies assessing patellar tendon graft failures. Differences in return to preinjury activity levels could not be determined due to the lack of studies assessing that outcome. Both patellar and hamstring tendon autografts demonstrate a low risk of failure and moderately high return to activity level after anatomic ACL reconstruction.
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Affiliation(s)
- Conrad M Gabler
- Department of Rehabilitation Sciences, Athletic Training Program, University of Kentucky, Lexington, Kentucky, USA
| | - Cale A Jacobs
- Department of Orthopedics & Sports Medicine, Lexington Clinic, Lexington, Kentucky, USA
| | - Jennifer Sebert Howard
- Department of Orthopaedic Surgery & Sports Medicine, University of Kentucky, Lexington, Kentucky, USA
| | - Carl G Mattacola
- Department of Rehabilitation Sciences, Athletic Training Program, University of Kentucky, Lexington, Kentucky, USA
| | - Darren L Johnson
- Department of Orthopaedic Surgery & Sports Medicine, University of Kentucky, Lexington, Kentucky, USA
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Persson A, Kjellsen AB, Fjeldsgaard K, Engebretsen L, Espehaug B, Fevang JM. Registry data highlight increased revision rates for endobutton/biosure HA in ACL reconstruction with hamstring tendon autograft: a nationwide cohort study from the Norwegian Knee Ligament Registry, 2004-2013. Am J Sports Med 2015; 43:2182-8. [PMID: 25977524 DOI: 10.1177/0363546515584757] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Compared with a patellar tendon autograft (PT), a hamstring tendon autograft (HT) has an increased risk of revision after anterior cruciate ligament reconstruction (ACLR). There are no studies analyzing whether this can be explained by inferior fixation devices used in HT reconstruction or whether the revision risk of ACLR with an HT or a PT is influenced by the graft fixation. PURPOSE To compare the risk of revision and the revision rates between the most commonly used combinations of fixation for HTs with PTs. STUDY DESIGN Cohort study; Level of evidence, 2. METHODS This study included all patients registered in the Norwegian Knee Ligament Registry from 2004 through 2013 who underwent primary PT or HT ACLR with no concomitant ligament injury and known graft fixation. The 2-year revision rates were calculated using the Kaplan-Meier analysis. Hazard ratios (HRs) for revision at 2 years were calculated using multivariate Cox regression models. RESULTS A total of 14,034 patients with primary ACLR were identified: 3806 patients with PTs and 10,228 patients with HTs; the mean follow-up time was 4.5 years. In the HT group, 5 different combinations of fixation in the femur/tibia were used in more than 500 patients: Endobutton/RCI screw (n = 2339), EZLoc/WasherLoc (n = 1352), Endobutton/Biosure HA (n = 1209), Endobutton/Intrafix (n = 687), and TransFix II/metal interference screw (MIS) (n = 620). The crude 2-year revision rate for patients with PTs was 0.7% (95% CI, 0.4%-1.0%), and for patients with HTs, it ranged between the groups from 1.5% (95% CI, 0.5%-2.4%) for TransFix II/MIS to 5.5% (95% CI, 4.0%-7.0%) for Endobutton/Biosure HA. When adjusted for detected confounding factors and compared with patients with PTs, the HR for revision at 2 years was increased for all HT combinations used in more than 500 patients, and the combinations Endobutton/Biosure HA and Endobutton/Intrafix had the highest HRs of 7.3 (95% CI, 4.4-12.1) and 5.5 (95% CI, 3.1-9.9), respectively. CONCLUSION The choice of fixation after ACLR with an HT has a significant effect on a patient's risk of revision. In this study population, none of the examined combinations of HT fixation had a revision rate as low as that for a PT.
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Affiliation(s)
- Andreas Persson
- Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Asle B Kjellsen
- Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Knut Fjeldsgaard
- Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Lars Engebretsen
- Department of Orthopaedic Surgery, University of Oslo, Oslo, Norway Oslo Sports Trauma Research Center, Department of Sport Medicine, Norwegian School of Sport Sciences, Oslo, Norway
| | - Birgitte Espehaug
- The Norwegian Arthroplasty Register, Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Jonas M Fevang
- Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
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Arama Y, Salmon LJ, Sri-Ram K, Linklater J, Roe JP, Pinczewski LA. Bioabsorbable Versus Titanium Screws in Anterior Cruciate Ligament Reconstruction Using Hamstring Autograft: A Prospective, Blinded, Randomized Controlled Trial With 5-Year Follow-up. Am J Sports Med 2015; 43:1893-901. [PMID: 26109611 DOI: 10.1177/0363546515588926] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Longer-term results of bioabsorbable screws for anterior cruciate ligament reconstruction (ACLR) have been reported, but results are specific to the exact screw material and design. Titanium and poly-L-lactic acid with hydroxyapatite (PLLA-HA) screw outcomes have been compared only to 2 years. PURPOSE/HYPOTHESIS The purpose of this study was to compare the clinical and radiologic outcomes of the PLLA-HA screw versus titanium screw for hamstring tendon ACLR over a 5-year follow-up period. The hypothesis was that there are no differences in clinical scores or tunnel widening between the PLLA-HA and the titanium screws and that the PLLA-HA screw as seen on magnetic resonance imaging (MRI) should show high-grade resorption and ossification response over 5 years. STUDY DESIGN Randomized controlled trial; Level of evidence, 1. METHODS A total of 40 patients undergoing ACLR were randomized to receive either a PLLA-HA screw (PLLA-HA group) or a titanium screw (titanium group) for ACL fixation. Blinded evaluation was performed at 2 and 5 years with the International Knee Documentation Committee and Lysholm knee score, KT-1000 arthrometer, single-legged hop test, and MRI to evaluate tunnel and screw volumes, periscrew ossification, graft integration, and cyst formation. RESULTS There was no difference in any clinical outcome measure at 2- or 5-year follow-up between the 2 groups. At 2 years, the femoral tunnel in the PLLA-HA group was smaller than that in the titanium group (P = .02); at 5 years, there was no difference. At 2 years, the femoral PLLA-HA screw was a mean 76% of its original volume, and by 5 years, it was 36%. At 2 years, the tibial PLLA-HA screw mean volume was 68% of its original volume, and by 5 years, it was 46%. At 5 years in the PLLA-HA group, 88% of femoral tunnels and 56% of tibial tunnels demonstrated a significant ossification response. There was no increase in cyst formation in the PLLA-HA group and no screw breakages. CONCLUSION There were equivalent clinical results between the PLLA-HA and titanium groups at 2- and 5-year follow-ups. The PLLA-HA screw was not associated with increased tunnel widening or cyst formation when compared with the titanium screw. The PLLA-HA screw demonstrated progressive screw resorption and gradual but incomplete ossification over 5 years.
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Affiliation(s)
- Yuval Arama
- North Sydney Orthopaedic and Sports Medicine Centre, Sydney, Australia
| | - Lucy J Salmon
- North Sydney Orthopaedic and Sports Medicine Centre, Sydney, Australia
| | - Kesavan Sri-Ram
- North Sydney Orthopaedic and Sports Medicine Centre, Sydney, Australia
| | | | - Justin P Roe
- North Sydney Orthopaedic and Sports Medicine Centre, Sydney, Australia The Mater Hospital, Sydney, Australia
| | - Leo A Pinczewski
- North Sydney Orthopaedic and Sports Medicine Centre, Sydney, Australia The Mater Hospital, Sydney, Australia Notre Dame University, Sydney, Australia
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Bioabsorbable versus metallic interference screws in anterior cruciate ligament reconstruction: a systematic review of overlapping meta-analyses. Arthroscopy 2015; 31:561-8. [PMID: 25557919 DOI: 10.1016/j.arthro.2014.11.011] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Revised: 09/21/2014] [Accepted: 11/05/2014] [Indexed: 02/02/2023]
Abstract
PURPOSE Multiple meta-analyses of randomized controlled trials have been conducted to compare clinical and functional outcomes after anterior cruciate ligament (ACL) reconstruction using metallic interference screw (MIS) versus bioabsorbable interference screw (BIS) fixation, but discrepancies in their findings have prevented a consensus conclusion. The purposes of this study were (1) to conduct a systematic review of meta-analyses comparing MISs and BISs in ACL reconstruction, (2) to provide surgical treatment recommendations for ACL graft fixation based on the highest available evidence, and (3) to propose future research avenues in areas of practice lacking high-level evidence. METHODS The literature was systematically reviewed to identify meta-analyses comparing MISs and BISs in ACL reconstruction. Data were extracted for clinical and functional outcomes, and methodologic quality was assessed using the validated Quality of Reporting of Meta-analyses and Oxman-Guyatt systems. To determine which meta-analyses provided the current best available evidence, the Jadad decision algorithm was used. RESULTS One Level I and 2 Level II meta-analyses were included. None showed differences between BISs and MISs in validated outcome scores, pivot-shift testing, KT arthrometry (MEDmetric, San Diego, CA), or loss of knee motion. Subgroup analyses found no differences in clinical outcomes or knee stability across biomaterials. All meta-analyses were of high quality according to the Quality of Reporting of Meta-analyses and Oxman-Guyatt systems. Two meta-analyses were determined by the Jadad algorithm to represent the current best available evidence. Both studies showed prolonged knee effusion with BIS use, with 1 also showing an increased incidence of femoral tunnel widening and screw breakage with BIS use. CONCLUSIONS Whereas clinical and functional outcomes are similar with MISs and BISs, prolonged knee effusion, femoral tunnel widening, and screw breakage are more common with BIS use. Future cost-effectiveness analyses may help weigh the known advantages of BISs against their costs and adverse-event profile. LEVEL OF EVIDENCE Level II, systematic review of Level I and II studies.
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Speziali A, Delcogliano M, Tei M, Placella G, Bartoli M, Menghi A, Cerulli G. Fixation techniques for the anterior cruciate ligament reconstruction: early follow-up. A systematic review of level I and II therapeutic studies. Musculoskelet Surg 2014; 98:179-87. [PMID: 25269758 DOI: 10.1007/s12306-014-0338-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Accepted: 09/11/2014] [Indexed: 12/16/2022]
Abstract
The purpose of our study was that to systematically review the fixation techniques for the ACL reconstruction and associated clinical outcomes at the early follow-up. Systematic search on three electronic databases (Cochrane register, Medline and Embase) of fixation devices used for primary ACL reconstruction with doubled semitendinosus and gracilis and bone-patellar tendon-bone autografts in randomized clinical trials of level I and II of evidence published from January 2001 to December 2011. Therapeutic studies collected were with a minimum 12-month follow-up, and the clinical outcomes were evaluated by at least one of International Knee Documentation Committee, Lysholm and Tegner functional scales and at least one of the following knee stability tests: arthrometric AP tibial translation, Lachman test and pivot-shift test. Nineteen articles met the inclusion criteria. At the femoral side cross-pin, metallic interference screw, bioabsorbable interference screw, and suspensory device were used in 32.3, 27.3, 24.8, 15.5% of patients, respectively. At the tibial side fixation was achieved with metallic interference screw, bioabsorbable interference screw, screw and plastic sheath, screw post and cross-pin in 38.7, 31, 15.7, 12.8, and 1.7% of patients, respectively. Side-to-side anterior-posterior tibial translation was 1.9 ± 0.9, 1.5 ± 0.9, 1.5 ± 0.8, 2.2 ± 0.4 mm for metallic interference screw, bioabsorbable screw, cross-pin and suspensory device, respectively. At least two-third of all the patients achieved good-to-excellent clinical outcomes. Rate of failure was 6.1, 3.3, 1.7 and 1.2% for bioabsorbable interference screw, metallic interference screw, cross-pin and suspensory device, respectively. Clinical outcomes are good to excellent in almost two-third of the patients but several pitfalls that affect the current fixation techniques as graft tensioning such as graft-tunnel motion are still unaddressed.
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Affiliation(s)
- Andrea Speziali
- Institute of Orthopedics and Traumatology, Catholic University, 'Agostino Gemelli' Hospital, Rome, Italy,
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Ntagiopoulos PG, Demey G, Tavernier T, Dejour D. Comparison of resorption and remodeling of bioabsorbable interference screws in anterior cruciate ligament reconstruction. INTERNATIONAL ORTHOPAEDICS 2014; 39:697-706. [DOI: 10.1007/s00264-014-2530-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Accepted: 09/04/2014] [Indexed: 11/24/2022]
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Cox CL, Spindler KP, Leonard JP, Morris BJ, Dunn WR, Reinke EK. Do newer-generation bioabsorbable screws become incorporated into bone at two years after ACL reconstruction with patellar tendon graft?: A cohort study. J Bone Joint Surg Am 2014; 96:244-50. [PMID: 24500587 PMCID: PMC3903138 DOI: 10.2106/jbjs.l.01652] [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] [Indexed: 02/01/2023]
Abstract
BACKGROUND Bioabsorbable interference screws are used frequently for graft fixation in ACL (anterior cruciate ligament) reconstruction. The resorption properties of many available screws that are marketed as bioabsorbable are not well defined. The CALAXO (Smith & Nephew Endoscopy) and MILAGRO (DePuy Synthes) bioabsorbable screws contain polymers of poly(lactic-co-glycolic acid) (PLGA) plus additives to encourage osseointegration over time. The purpose of this study was to evaluate radiographic and magnetic resonance imaging (MRI) properties and compare patient-reported outcomes at a minimum of two years of follow-up after ACL reconstruction using CALAXO or MILAGRO bioabsorbable interference screws. METHODS A cohort of patients who underwent ACL reconstruction in which the fixation used was either CALAXO or MILAGRO screws returned for repeat radiographs for evaluation of tunnel widening, repeat MRI for evaluation of graft integrity and screw breakdown, and completion of the pain and symptom items of the KOOS (Knee injury and Osteoarthritis Outcome Score) questionnaire. RESULTS At a mean of three years (range, 2.5 to 4.0 years) after surgery, thirty-one patients with sixty-two CALAXO screws and thirty-six patients with seventy-two MILAGRO screws returned for repeat evaluation. Two blinded, independent reviewers found no significant differences between the two screw types when comparing radiographs for tibial or femoral tunnel widening or MRIs for graft integrity, tibial and femoral foreign body reactions, or femoral screw degradation. Both reviewers found a significant difference between the two screw types when comparing tibial screw degradation properties (p < 0.01). All analyzed CALAXO screws were rated as partially intact or degraded; the MILAGRO screws were more likely to be rated as intact. No significant differences were noted between the two screw types when comparing the two KOOS subscales. CONCLUSIONS CALAXO screws in the tibial tunnel were more likely to be rated as degraded or partially degraded compared with MILAGRO screws at a mean of three years after implantation for ACL reconstruction. Although these newer-generation bioabsorbable screws were designed to promote osseointegration, no tunnel narrowing was noted, and in the majority of cases the remains of the screws were present at approximately three years.
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Affiliation(s)
- Charles L. Cox
- Vanderbilt Sports Medicine, Vanderbilt University Medical Center, 4200 Medical Center East, South Tower, Nashville, TN 37232. E-mail address for K.P. Spindler:
| | - Kurt P. Spindler
- Vanderbilt Sports Medicine, Vanderbilt University Medical Center, 4200 Medical Center East, South Tower, Nashville, TN 37232. E-mail address for K.P. Spindler:
| | - James P. Leonard
- Vanderbilt Sports Medicine, Vanderbilt University Medical Center, 4200 Medical Center East, South Tower, Nashville, TN 37232. E-mail address for K.P. Spindler:
| | - Brent J. Morris
- Vanderbilt Sports Medicine, Vanderbilt University Medical Center, 4200 Medical Center East, South Tower, Nashville, TN 37232. E-mail address for K.P. Spindler:
| | - Warren R. Dunn
- Vanderbilt Sports Medicine, Vanderbilt University Medical Center, 4200 Medical Center East, South Tower, Nashville, TN 37232. E-mail address for K.P. Spindler:
| | - Emily K. Reinke
- Vanderbilt Sports Medicine, Vanderbilt University Medical Center, 4200 Medical Center East, South Tower, Nashville, TN 37232. E-mail address for K.P. Spindler:
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Laupattarakasem P, Laopaiboon M, Kosuwon W, Laupattarakasem W. Meta-analysis comparing bioabsorbable versus metal interference screw for adverse and clinical outcomes in anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2014; 22:142-53. [PMID: 23238925 DOI: 10.1007/s00167-012-2340-8] [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: 05/05/2012] [Accepted: 12/04/2012] [Indexed: 12/01/2022]
Abstract
PURPOSE To compare bioabsorbable screw (BS) against metal screw (MS) primarily on adverse effects and secondarily on clinical outcomes after single-bundle primary anterior cruciate ligament reconstruction. METHODS Electronic searches were performed using search strategies meeting the mentioned purposes. Retrieved articles were selected for randomised controlled trials (RCTs) reporting at least 1-year follow-up. Potential studies were selected under inclusion and exclusion criteria. Risk of biases and data extraction was completed by two review authors. Discrepancies were resolved through discussion. Mean difference and risk ratio with 95 % confidence interval (CI) were used for continuous and binary outcomes, respectively. Heterogeneity was assessed using I (2). Pooled treatment effects with 95 % CI were estimated using the fixed- or random-effect model where appropriate. RESULTS Eleven RCTs with 878 randomly allocated patients were included, and 711 patients (81 %) with eligible follow-up time up to 8 years were analysed. Comparing with the MS group, BS group using medial hamstring graft showed evidence of larger tunnel widening on the femoral side measured from radiographs or magnetic resonance imaging, though data could not be pooled because diverse measurement methods had been used. Significantly higher rates of effusion and screw breakage, and fewer cases of complete tunnel healing were reported in the BS group. Nevertheless, functional and clinical results were not deteriorated by the presence of these adverse effects for both short- and longer-term follow-ups. CONCLUSION This is the first systematic review focusing on adverse effects of the BS, such as larger tunnel widening and higher rates of other complications. With these effects, routine use of the BS should be balanced with the advantages claimed. Cost-effectiveness is another issue, and well-designed RCTs are needed to better validate the implication.
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Affiliation(s)
- Pat Laupattarakasem
- Department of Orthopaedics, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
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Papalia R, Vasta S, D'Adamio S, Giacalone A, Maffulli N, Denaro V. Metallic or bioabsorbable interference screw for graft fixation in anterior cruciate ligament (ACL) reconstruction? Br Med Bull 2014; 109:19-29. [PMID: 24357733 DOI: 10.1093/bmb/ldt038] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
BACKGROUND Approximately 100,000 anterior cruciate ligament (ACL) reconstructions are performed in the USA each year. Interference screw fixation is considered the standard for rigid fixation of the graft and provides higher fixation strength compared with other devices such as staples or buttons. The present study summarizes the latest evidence comparing the effectiveness of the available classes of interference screws for fixation of ACL grafts. SOURCES A comprehensive search of the CINAHL, PubMed, Google Scholar, Embase Biomedical databases and the Cochrane Central Registry of Controlled Trials was performed in March 2013. Twelve studies met our inclusion criteria. AREAS OF AGREEMENT Most studies showed no intergroup difference in terms of outcomes measured with validated clinical scores such as IKDC (International Knee Documentation Committee), Lysholm score and Tegner activity level. There was no significant difference regarding range of motion. Knee stability as evaluated with pivot shift and KT arthrometer showed a significant difference only in one study, favouring metallic interference screws. Tunnel widening is much more evident and marked patients who underwent ACL reconstruction with bioabsorbable screws, with no influence on the final clinical results achieved. Complication rates between the two screw classes were similar. The average modified Coleman methodology score was 74.67. AREAS OF UNCERTAINTY/RESEARCH NEED: The data comparing the outcomes achieved by two different materials for fixation, bioabsorbable and metallic, to be used during single-bundle ACL reconstruction, showed no significant difference in the final patient outcomes, in terms of clinical scores, clinical evaluation and imaging.
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Affiliation(s)
- Rocco Papalia
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University of Rome, Via Alvaro del Portillo 200, Rome, Italy
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Wasserstein D, Khoshbin A, Dwyer T, Chahal J, Gandhi R, Mahomed N, Ogilvie-Harris D. Risk factors for recurrent anterior cruciate ligament reconstruction: a population study in Ontario, Canada, with 5-year follow-up. Am J Sports Med 2013; 41:2099-107. [PMID: 23857886 DOI: 10.1177/0363546513493580] [Citation(s) in RCA: 100] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Anterior cruciate ligament reconstruction (ACLR) is routinely performed for symptomatic instability. Although it is a common procedure, there remain differences in surgical technique. Hospital administrative records in a public health care system were used to investigate the effect of patient, provider, and surgical factors on the risk of revision ACLR. PURPOSE To define the rate and risk factors for ACL reoperation in Ontario, Canada, including both ipsilateral revision and contralateral primary procedures. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS All primary elective ACLR procedures performed in Ontario (July 2003 to March 2008) in patients aged 15 to 60 years were identified via physician billing and hospital databases. Revision and contralateral ACLR were sought until January 2012. Patient factors (age, sex, comorbidity, income quintile, length of index hospital admission), provider factors (surgeon volume, academic hospital status), and surgical factors (allograft vs autograft; fixation type [screw, button, staple]; concomitant operative procedures) were used as covariates in a Cox proportional hazards survivorship model to generate hazard ratios (HRs) with confidence intervals (CIs) (α = .05). Kaplan-Meier survivorship curves with ACL revision as the end point were generated. RESULTS A total of 12,967 ACLR procedures with a mean follow-up of 5.2 years were eligible for study using preset criteria. The revision rate was 2.6% (mean ± SD, 2.91 ± 1.71 years to revision). The rate of primary contralateral ACLR was 4.6% (mean, 2.95 ± 1.81 years). In the Cox model, younger age (15-19 years) (HR, 2.1; 95% CI, 1.5-2.9; P < .001), ACLR performed at an academic hospital (HR, 1.6; 95% CI, 1.2-2.1; P < .001), and the use of allograft (HR, 1.7; 95% CI, 1.1-2.6; P = .02) significantly increased the risk of revision ACLR. Only younger age (HR, 2.1; 95% CI, 1.6-2.7; P < .001) was associated with an increased risk of contralateral ACLR. CONCLUSION Contralateral ACLR was more frequent than revision ACLR in this population, while both surgical procedures were most common in patients younger than 20 years. Academic hospital status, but not surgeon volume, as well as the use of allograft also increased the risk for revision ACLR.
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Affiliation(s)
- David Wasserstein
- University of Toronto Orthopaedic Sports Medicine (UTOSM) at Women’s College Hospital, Toronto, Ontario, Canada.
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Clanton TO, Betech AA, Bott AM, Matheny LM, Hartline B, Hanson TW, McGarvey WC. Complications after tendon transfers in the foot and ankle using bioabsorbable screws. Foot Ankle Int 2013; 34:486-90. [PMID: 23399887 DOI: 10.1177/1071100713477625] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Tendon transfers are commonly used for correction of pathology or deformity of the foot and ankle. Bioabsorbable implants have been developed as an alternative to metal interference screws. The purpose of this study was to document complications following tendon transfers of the foot and ankle using bioabsorbable poly-L-lactide interference screws. METHODS A retrospective chart review was used to identify patients in whom either of the 2 senior authors had performed a tendon transfer of the foot and ankle using a bioabsorbable interference screw between 1999 and 2005. A minimum of 6 months of follow-up was required for inclusion in the study. In all, 31 patients were identified who met the inclusion criteria with an average follow-up of 75 weeks. All screws were made of poly-L-lactide (PLLA). RESULTS Complications were identified in 12 (39%) of patients. All of the complications reported were known complications of the tendon transfer procedure itself, and were not directly related to the bioabsorbable screw. CONCLUSIONS Based on these early results, PLLA implants appear safe and effective for tendon transfers of the foot and ankle. However, until long-term outcomes are available, judicious use of these implants is recommended.
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Dave LYH, Leong OK, Karim SA, Chong CH. Tunnel enlargement 5 years after anterior cruciate ligament reconstruction: a radiographic and functional evaluation. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2013; 24:217-23. [DOI: 10.1007/s00590-013-1175-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2012] [Accepted: 01/27/2013] [Indexed: 11/29/2022]
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Han DLY, Nyland J, Kendzior M, Nawab A, Caborn DNM. Intratunnel versus extratunnel fixation of hamstring autograft for anterior cruciate ligament reconstruction. Arthroscopy 2012; 28:1555-66. [PMID: 22560484 DOI: 10.1016/j.arthro.2012.02.021] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2012] [Revised: 02/23/2012] [Accepted: 02/24/2012] [Indexed: 02/07/2023]
Abstract
PURPOSE To determine which is more effective: intratunnel or extratunnel anterior cruciate ligament soft-tissue graft fixation. A secondary purpose was to determine whether groups displayed differing relations between objective International Knee Documentation Committee (IKDC) grade and the timing of full weight bearing (FWB), jogging/running, and return to sports. The study hypotheses were that intratunnel fixation would display a greater percentage of normal or nearly normal objective IKDC grades and enable earlier FWB, return to jogging/running, and return to sports. METHODS We performed a systematic review of prospective, Studies with Level I or II evidence published from 2000 to 2011 with at least 2 years' follow-up that used interference screw hamstring autograft fixation (intratunnel group) or button, staple, or post hamstring autograft fixation (extratunnel group) for primary anterior cruciate ligament reconstruction. We also compared IKDC grades; Tegner and Lysholm scores; instrumented anterior laxity and pivot-shift test findings; timing of FWB, jogging/running, and return to sports; and modified Coleman Methodology Scores. RESULTS The groups showed comparable modified Coleman Methodology Scores, objective IKDC grades, Lysholm and Tegner scores, instrumented anterior laxity and pivot-shift test findings, and return-to-sports timing. The intratunnel group displayed earlier FWB and jogging/running; however, return-to-sports timing did not differ between groups. Early FWB and the percentage of patients with normal or nearly normal objective IKDC grades were directly related for the extratunnel group. CONCLUSIONS Patients who received intratunnel fixation were released earlier to FWB and jogging/running, supporting the study hypotheses. Groups did not differ in return-to-sports timing or objective IKDC grades, not supporting the study hypotheses. Early FWB in the extratunnel group was related to a greater percentage of patients having normal or nearly normal objective IKDC grades. Return-to-sports timing and having a normal objective IKDC grade were related in both groups; however, this relation was stronger with intratunnel fixation. LEVEL OF EVIDENCE Level II, systematic review of Level I and II studies.
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Affiliation(s)
- Dave Lee Yee Han
- Division of Sports Medicine, Department of Orthopaedic Surgery, University of Louisville, Louisville, Kentucky 40202, USA
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Tibor LM, Long JL, Schilling PL, Lilly RJ, Carpenter JE, Miller BS. Clinical outcomes after anterior cruciate ligament reconstruction: a meta-analysis of autograft versus allograft tissue. Sports Health 2012; 2:56-72. [PMID: 23015924 PMCID: PMC3438864 DOI: 10.1177/1941738109347984] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Clinical outcomes of autograft and allograft anterior cruciate ligament (ACL) reconstructions are mixed, with some reports of excellent to good outcomes and other reports of early graft failure or significant donor site morbidity. OBJECTIVE To determine if there is a difference in functional outcomes, failure rates, and stability between autograft and allograft ACL reconstructions. DATA SOURCES Medline, Cochrane Central Register of Controlled Trials (Evidence Based Medicine Reviews Collection), Cochrane Database of Systematic Reviews, Web of Science, CINAHL, and SPORTDiscus were searched for articles on ACL reconstruction. Abstracts from annual meetings of the American Academy of Orthopaedic Surgeons, American Orthopaedic Society for Sports Medicine, and Arthroscopy Association of North America were searched for relevant studies. STUDY SELECTION INCLUSION CRITERIA FOR STUDIES WERE AS FOLLOWS: primary unilateral ACL injuries, mean patient age less than 41 years, and follow-up for at least 24 months postreconstruction. Exclusion criteria for studies included the following: skeletally immature patients, multiligament injuries, and publication dates before 1990. DATA EXTRACTION Joint stability measures included Lachman test, pivot-shift test, KT-1000 arthrometer assessment, and frequency of graft failures. Functional outcome measures included Tegner activity scores, Cincinnati knee scores, Lysholm scores, and IKDC (International Knee Documentation Committee) total scores. RESULTS More than 5000 studies were identified. After full text review of 576 studies, 56 were included, of which only 1 directly compared autograft and allograft reconstruction. Allograft ACL reconstructions were more lax when assessed by the KT-1000 arthrometer. For all other outcome measures, there was no statistically significant difference between autograft and allograft ACL reconstruction. For all outcome measures, there was strong evidence of statistical heterogeneity between studies. The sample size necessary for a randomized clinical trial to detect a difference between autograft and allograft reconstruction varied, depending on the outcome. CONCLUSIONS With the current literature, only KT-1000 arthrometer assessment demonstrated more laxity with allograft reconstruction. A randomized clinical trial directly comparing allograft to autograft ACL reconstruction is warranted, but a multicenter study would be required to obtain an adequate sample size.
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Affiliation(s)
| | - Joy L. Long
- Lancaster Orthopaedic Group, Lancaster, Pennsylvania
| | | | | | | | - Bruce S. Miller
- University of Michigan, Ann Arbor, Michigan
- Address correspondence to Bruce S. Miller, MD, MS, MedSport, Department of Orthopaedic Surgery, University of Michigan, 24 Frank Lloyd Wright Drive, Ann Arbor, MI 48106 (e-mail: )
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Pivot shift as an outcome measure for ACL reconstruction: a systematic review. Knee Surg Sports Traumatol Arthrosc 2012; 20:767-77. [PMID: 22218828 DOI: 10.1007/s00167-011-1860-y] [Citation(s) in RCA: 164] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2011] [Accepted: 12/21/2011] [Indexed: 01/13/2023]
Abstract
PURPOSE To identify and evaluate the evidence for the pivot shift test as an outcome measure following ACL reconstruction. Achieving rotatory control of the knee post anterior cruciate ligament (ACL) reconstruction has been shown to increase patient satisfaction, decrease functional instability and potentially delay the development of osteoarthritis. The pivot shift is able to assess this rotatory component of knee laxity and appears to have the potential to become a benchmark in gauging the success of ACL surgery. Multiple confounding factors and discrepancies in performing the maneuver itself however put its usefulness in question. Thus, the literature was reviewed to assess whether the pivot shift was able to correlate with final functional outcomes. METHODS Two reviewers searched two databases (MEDLINE and EMBASE) for randomized control trials that involved anterior cruciate ligament reconstruction in the last 5 years. All non-clinical studies were excluded. A quality assessment of the included studies was performed using the Jadad scale by a reviewer. The number of studies using the Pivot Shift Test as well as the test's relationship with functional outcome was evaluated. RESULTS The literature search yielded 274 studies, of which 65 papers were included. The average Jadad quality score for papers reporting pivot shift as an outcome measure was 2.4, with the most frequent score being 3. Forty seven of 65 studies described the Pivot Shift Test as an outcome measure following ACL reconstruction. Of the 47 studies that included pivot shift as an outcome measure, 40 (85%) correlated with the final functional outcomes. CONCLUSION The pivot shift test is an important test following ACL reconstruction, and it correlates with functional outcomes.
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Kong CG, In Y, Kim GH, Ahn CY. Cross Pins versus Endobutton Femoral Fixation in Hamstring Anterior Cruciate Ligament Reconstruction: Minimum 4-Year Follow-Up. Knee Surg Relat Res 2012; 24:34-9. [PMID: 22570850 PMCID: PMC3341815 DOI: 10.5792/ksrr.2012.24.1.34] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2011] [Revised: 09/15/2011] [Accepted: 11/06/2011] [Indexed: 01/10/2023] Open
Abstract
PURPOSE We aimed to compare cross-pin fixation and Endobutton femoral fixation for hamstring anterior cruciate ligament (ACL) reconstruction with respect to clinical and radiographic results, including tunnel widening and the progression of knee osteoarthritis (OA). MATERIALS AND METHODS Between August 2002 and August 2005, 126 autogenous hamstring ACL reconstructions were performed using either cross pins or Endobutton for femoral fixation. Fifty-six of 75 patients in the cross-pin group and 35 of 51 patients in the Endobutton group were followed up for a minimum of 4 years. We compared the clinical and radiological results between the groups using the International Knee Documentation Committee (IKDC) evaluation form, the KT-2000 arthrometer side to side difference, the amount of tunnel widening and the advancement of OA on radiographs. RESULTS There were no significant differences in the IKDC grades between the groups at the 4 year follow-up. There was no significant difference in the side to side difference according to KT-2000 arthrometer testing. Also, there were no significant differences in terms of tunnel widening or advancement of OA on radiographs. CONCLUSIONS Endobutton femoral fixation showed good results that were comparable to those of cross pins fixation in hamstring ACL reconstruction.
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Affiliation(s)
- Chae-Gwan Kong
- Department of Orthopaedic Surgery, Uijongbu St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea
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Johnston M, Morse A, Arrington J, Pliner M, Gasser S. Resorption and remodeling of hydroxyapatite-poly-L-lactic acid composite anterior cruciate ligament interference screws. Arthroscopy 2011; 27:1671-8. [PMID: 21978431 DOI: 10.1016/j.arthro.2011.06.036] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2010] [Revised: 06/27/2011] [Accepted: 06/28/2011] [Indexed: 02/02/2023]
Abstract
PURPOSE The purpose of this study was to evaluate the progression of hydroxyapatite-poly-L-lactic acid (HA-PLLA) interference screw resorption and remodeling in patients after anterior cruciate ligament (ACL) reconstruction. METHODS Sixty-five patients undergoing ACL reconstruction with patellar tendon autograft or allograft fixed at both the femur and tibia with HA-PLLA screws were evaluated. We evaluated 10 patients each at 2, 3, and 4 years postoperatively, whereas 35 patients were evaluated at 5 years postoperatively. In all patients a physical examination was performed and functional outcome scores and computed tomography (CT) analysis were obtained at follow-up. RESULTS Screw tract densities determined by CT at 5 years postoperatively were higher than muscle and were similar to the surrounding bone. At 4 years, 80% to 90% of screws were completely resorbed. At 5-year follow-up, 29% of patients showed complete ossification of the screw tract in the femur versus 34% in the tibia. There was no tunnel widening or sclerosis noted. Subjective and objective clinical results remained high throughout the study period. CONCLUSIONS The HA-PLLA interference screws are slowly resorbed over time, and the majority are completely resorbed between 3 and 4 years after ACL reconstruction with patellar tendon autograft or allograft. Osteoconductivity and remodeling were confirmed by CT scans, and no tunnel widening, sclerosis, cysts, or inflammatory changes were noted. LEVEL OF EVIDENCE Level IV, therapeutic case series.
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Affiliation(s)
- Matt Johnston
- Celebration Orthopaedic & Sports Medicine Institute, Florida, USA
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De Wall M, Scholes CJ, Patel S, Coolican MRJ, Parker DA. Tibial fixation in anterior cruciate ligament reconstruction: a prospective randomized study comparing metal interference screw and staples with a centrally placed polyethylene screw and sheath. Am J Sports Med 2011; 39:1858-64. [PMID: 21622815 DOI: 10.1177/0363546511406234] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND The use of hamstring tendons for anterior cruciate ligament reconstruction has increased in popularity over recent years. However, concerns with the stability of graft fixation on the tibial side remain. Centrally placed interference screw/sheath implants have demonstrated promising results in biomechanical studies. HYPOTHESIS Centrally placed, polyethylene screw and sheath implants will provide clinically equivalent fixation to the standard metal interference screw and supplemental staple fixation. STUDY DESIGN Randomized controlled trial; Level of evidence, 1. METHODS A total of 113 consecutive patients undergoing isolated, unilateral, primary anterior cruciate ligament reconstruction with hamstring autografts were randomized to tibial fixation with metal interference screw and staples (RCI) or with a centrally placed polyethylene screw and sheath implant (INTRAFIX). Prospective assessment of subjective outcomes was performed using Lysholm, Mohtadi, and International Knee Documentation Committee (IKDC) scores. RESULTS At minimum 2-year follow-up, there were no significant differences between the 2 groups in terms of instrumented stability testing (KT-1000 arthrometer) or subjective assessment of knee outcomes (IKDC, Lysholm, Mohtadi). Both fixation methods demonstrated a significant, but not different, increase in outcomes scores from preoperative to postoperative evaluation. There were 7 failures (5 INTRAFIX, 2 RCI) caused by reinjury, but no statistically significant differences were observed between the 2 fixation methods. CONCLUSION The centrally placed polyethylene screw and sheath provided equivalent clinical outcomes at minimum 2-year follow-up to standard tibial fixation with metal interference screw and staples.
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Affiliation(s)
- Mathew De Wall
- Sydney Orthopaedic Research Institute, Chatswood NSW, Australia
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Emond CE, Woelber EB, Kurd SK, Ciccotti MG, Cohen SB. A comparison of the results of anterior cruciate ligament reconstruction using bioabsorbable versus metal interference screws: a meta-analysis. J Bone Joint Surg Am 2011; 93:572-80. [PMID: 21411708 DOI: 10.2106/jbjs.j.00269] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Graft fixation during anterior cruciate ligament (ACL) reconstruction can be achieved with use of either bioabsorbable screws or metal screws. Although bioabsorbable screws and metal screws have similar fixation strengths, bioabsorbable screws eliminate the need for removal. In addition, postoperative imaging is easier to interpret when bioabsorbable screws are used. Bioabsorbable screws may be associated with an increased inflammatory response, an increased risk of screw breakage, incomplete screw absorption, or tunnel widening. We investigated the outcomes associated with the use of bioabsorbable screws as compared with metal screws for ACL reconstruction. Our hypothesis was that there is no significant difference in outcomes between these screw types for ACL reconstruction. METHODS We systematically searched electronic databases to identify randomized controlled trials in which bioabsorbable screws were compared with metal screws for ACL reconstruction. Therapeutic studies with a minimum twelve-month mean follow-up were considered for inclusion. Clinical outcomes (International Knee Documentation Committee [IKDC], Lysholm, Tegner activity scores), laxity testing, and reported complications were evaluated in the meta-analysis. Additionally, imaging assessment of tunnel widening was evaluated. RESULTS Eight studies matched the inclusion criteria. These studies comprised a total of 745 patients undergoing ACL reconstruction (including 378 patients managed with bioabsorbable screws and 367 patients managed with metal screws). No significant differences were identified between the two screw types with respect to IKDC, Lysholm, or Tegner activity scores or with respect to the results of laxity testing with arthrometry. The complication rates were also statistically similar in the two groups. The variability in imaging assessment of tunnel widening among the studies precluded meta-analysis. CONCLUSIONS The clinical results associated with bioabsorbable screws and metal screws are statistically similar. Laxity evaluation demonstrated no significant differences between bioabsorbable screws and metal screws. The complication rates associated with bioabsorbable screws and metal screws were also similar. The results of this meta-analysis support the hypothesis that there are no significant differences in the outcomes associated with bioabsorbable screws as compared with metal screws for ACL reconstruction. LEVEL OF EVIDENCE Therapeutic Level II. See Instructions to Authors for a complete description of levels of evidence.
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Affiliation(s)
- Christopher E Emond
- Rothman Institute, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
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Drogset JO, Straume LG, Bjørkmo I, Myhr G. A prospective randomized study of ACL-reconstructions using bone-patellar tendon-bone grafts fixed with bioabsorbable or metal interference screws. Knee Surg Sports Traumatol Arthrosc 2011; 19:753-9. [PMID: 21234545 PMCID: PMC3076560 DOI: 10.1007/s00167-010-1353-4] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2009] [Accepted: 11/30/2010] [Indexed: 01/30/2023]
Abstract
INTRODUCTION Bioabsorbable screws are, at the expense of metal screws, increasingly used as fixation device in ACL-reconstructions. The possible advantages with bioabsorbable screws are better postoperative MRI evaluations and easier revision surgery. PURPOSE The aim of this study was to compare the clinical outcome after ACL-reconstructions with BPTB-grafts fixed with metal interference screws or bioabsorbable screws 7 years postoperatively. The resorption of the bioabsorbable screws was also analyzed. METHODS Between 2000 and 2001, 41 patients with ACL deficient knees were randomized for the use of BPTB-graft fixed with either metal interference screws or bioabsorbable poly-L: -lactic acid screws. This is a 7-year follow-up with clinical examinations of both groups and, MRI of the patients with bioabsorbable screws. RESULTS The clinical and functional results were satisfactory in both groups. There were no significant differences between the groups in any parameter measured, except for better Pivot shift results in the bioscrew group (P = 0.04). The MRI evaluation showed degradation of the bioscrews. A residual screw tract which appeared threaded was seen in the tibia in 11 of the 16 patients. There was no sign of bony ingrowth in the previous screw site in the tibia in any of the patients. CONCLUSION The potential advantages of using PLLA-screws compared to metal screws are not sufficient to warrant the routine use of PLLA-screws in ACL-reconstructions. LEVEL OF EVIDENCE I.
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Affiliation(s)
- Jon Olav Drogset
- Trondheim University Hospital, Norwegian University of Science and Technology, Trondheim, Norway
| | | | - Ingrid Bjørkmo
- Norwegian University of Science and Technology, Trondheim, Norway
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Abstract
Widening of the tibial and femoral tunnels can present a substantial obstacle during revision anterior cruciate ligament reconstruction because of the associated bone loss and poor graft fixation. Delayed incorporation of soft-tissue grafts into bone and decreased graft stability are of particular concern. The degree to which mechanical (eg, graft position, fixation method) and biologic (eg, increased cytokine levels, synovial fluid propagation) factors contribute to tunnel widening remains unclear. Radiography, CT, and MRI can be used to characterize the extent of widening and aid in preoperative planning. Although many management methods exist, revision surgery remains difficult. Controversy persists regarding the clinical significance, contributing factors, prophylactic measures, and effective management of tunnel widening following anterior cruciate ligament reconstruction.
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Sadat-Ali M, Azzam Q, Bluwi M, Al-Umran AS. Case report: Fibroxanthoma: a complication of a biodegradable screw. Clin Orthop Relat Res 2010; 468:2284-7. [PMID: 19936858 PMCID: PMC2895830 DOI: 10.1007/s11999-009-1170-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2009] [Accepted: 11/04/2009] [Indexed: 01/31/2023]
Abstract
BACKGROUND Biodegradable interference screws in anterior cruciate ligament (ACL) reconstruction have gained popularity because of their similar or superior fixation strength in comparison to metallic interference screws and because they do not cause imaging artifacts and do not need to be removed. CASE DESCRIPTION We report the case of a 23-year-old man who presented with slowly progressive firm swelling of 2 months' duration at the site of the tibial tunnel 3 years after ACL reconstruction using a biodegradable interference screw. After curettage and débridement, the material was sent for histopathologic examination, which was reported as a fibroxanthoma. LITERATURE REVIEW Reported complications are osteolysis around the screw, allergic reaction, sterile abscess formation, ganglion cyst formation, and intraarticular migration. A fibroxanthoma consists of fibroblasts and mononuclear or multinucleated cells with large lipid-filled histiocytes (foam cells). The cells are negative for S-100 and keratin and positive for anti-human macrophage marker HAM-56. PURPOSES AND CLINICAL RELEVANCE Use of biodegradable screws is associated with high healing rates and low complication rates; however, awareness of their potential complications may help in early recognition and prevention of associated morbidity.
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Affiliation(s)
- Mir Sadat-Ali
- The University Department of Orthopaedic Surgery, College of Medicine, King Faisal University, Dammam, Saudi Arabia.
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