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Brinkman JC, Reeson E, Chhabra A. Acute Patellar Tendon Ruptures: An Update on Management. J Am Acad Orthop Surg Glob Res Rev 2024; 8:01979360-202404000-00011. [PMID: 38569093 PMCID: PMC10994452 DOI: 10.5435/jaaosglobal-d-24-00060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Accepted: 02/16/2024] [Indexed: 04/05/2024]
Abstract
Patellar tendon ruptures can be debilitating injuries. When incomplete, partial tears can be managed nonsurgically with immobilization and progressive rehabilitation. Although complete ruptures remain a relatively uncommon injury, they portend a high level of morbidity. Ruptures typically result from an acute mechanical overload to the extensor mechanism, such as with forced quadriceps contraction and knee flexion. However, chronically degenerated tendons are also predisposed to failure from low-energy injuries. Diagnosis can often be made clinically with recognition of a palpable defect to the tendon, localized patellar tendon tenderness, and inability to actively extend the knee. Diagnosis and surgical planning can be established with radiograph, ultrasonography, or magnetic resonance imaging. Surgical repair is the mainstay of treatment, and there have been many recent advances in repair technique, optimal reconstruction strategies, and supplemental fixation. Time to surgery for complete tears remains the most important prognosticator for success. Direct primary repair can be completed with transosseous tunnels, suture anchor repair, or end-to-end repair. Tendon reconstruction can be achieved with or without mechanical or biologic augments. Rehabilitation programs vary in specifics, but return to sport can be expected by 6 months postoperatively.
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Affiliation(s)
- Joseph C. Brinkman
- From the Department of Orthopedic Surgery, Mayo Clinic, Phoenix, AZ (Dr. Brinkman, Dr. Chhabra), and the Crieghton University School of Medicine, Phoenix, AZ (Ms. Reeson)
| | - Emily Reeson
- From the Department of Orthopedic Surgery, Mayo Clinic, Phoenix, AZ (Dr. Brinkman, Dr. Chhabra), and the Crieghton University School of Medicine, Phoenix, AZ (Ms. Reeson)
| | - Anikar Chhabra
- From the Department of Orthopedic Surgery, Mayo Clinic, Phoenix, AZ (Dr. Brinkman, Dr. Chhabra), and the Crieghton University School of Medicine, Phoenix, AZ (Ms. Reeson)
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Wu M, Plusch K, Ilyas AM, Rivlin M, Jones CM. Preliminary Outcomes of Scapholunate Ligament Augmentation with Internal Brace Technique. JOURNAL OF HAND SURGERY GLOBAL ONLINE 2024; 6:159-163. [PMID: 38903845 PMCID: PMC11185888 DOI: 10.1016/j.jhsg.2023.11.003] [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: 08/21/2023] [Accepted: 11/08/2023] [Indexed: 06/22/2024] Open
Abstract
Purpose Injury to the scapholunate (SL) interosseous ligament (SLIL) is a common cause of carpal instability. Internal brace augmentation has been used in various ligament repair procedures; however, further investigation of its outcomes in hand surgery is needed. This study aimed to examine outcomes for patients who underwent SLIL repair with internal brace augmentation. Methods Patients who underwent SLIL repair with the internal brace technique and had at least 1 year of follow-up were contacted. Available patients returned for an in-person evaluation with new radiographs and physical examination. If patients could not be contacted but had x-rays and physical examinations performed at greater than 1 year after surgery, these data were collected from their medical records. Participating patients completed the QuickDASH and Patient-Rated Wrist Evaluation surveys and rated their satisfaction with the surgery. Outcomes assessed included wrist range of motion, grip strength, scaphoid shift test, SL gap, SL angle, and radiographic evidence of radiocarpal arthritis. Results We collected outcomes for 14 SLIL repairs among 13 patients (12 male). Mean length of the follow-up was 41 months (n = 14, 17-64). Mean QuickDASH and Patient-Rated Wrist Evaluation scores were 6.1 (0-43.2) and 9.6 (0-65), respectively. Radiographic measurements remained stable from immediate to latest follow-up, and no radiocarpal arthritic changes were noted. However, SL gap decreased from a mean of 5.33 mm (3.4-6.7) before surgery to 3.34 mm (2-4.6) at the latest follow-up, and SL angle decreased from a mean of 79.5° (67°-97°) before surgery to 67.3° (51°-85°) at the latest follow-up. All scaphoid shift tests were stable. Conclusions Therefore, SL internal brace augmentation has favorable short-term results with improvements in pain, function, satisfaction, and carpal alignment at greater than 1 year postoperatively. This technique can be an effective option for the management of SL instability in the short term. Type of study/level of evidence Therapeutic IV.
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Affiliation(s)
- Meagan Wu
- Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA
| | - Kyle Plusch
- Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA
| | - Asif M. Ilyas
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, PA
| | - Michael Rivlin
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, PA
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Geers BA, Bishai SK. Chronic Midsubstance Patellar Tendon and Retinacular Rupture: Primary Repair Enhancement Using Bioinductive Implant Augmentation. Arthrosc Tech 2023; 12:e1595-e1600. [PMID: 37780659 PMCID: PMC10533941 DOI: 10.1016/j.eats.2023.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 05/03/2023] [Indexed: 10/03/2023] Open
Abstract
Midsubstance tears of the patellar tendon are uncommon and present a difficult injury to treat. If left untreated, these can be debilitating injuries for patients and leave them with an overall lack of function in the injured extremity. Compared to a proximal or distal patellar tendon rupture, midsubstance tears rely on tendon-to-tendon healing instead of bone to tendon healing. Given this situation, specific preoperative planning and the use of a bioinductive scaffolding allows surgeons to enhance the overall construct, while promoting a beneficial healing environment. Although the addition of bioinductive implants has grown in popularity for upper extremity injuries, few cases describe its use in the lower extremity setting. Here, we present a case of midsubstance patellar tendon repair, as well as a medial and lateral retinacular repair using a structural biological implant with Type I collagen for augmentation to enhance our overall final construct.
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Hunt KJ, Hewitt MA, Buckley SE, Bartolomei J, Myerson MS, Hogan MV, Laf Committee ISAKOS. Ligament augmentation repair is broadly applied across different orthopaedic subspecialities: an ISAKOS international survey of orthopaedic surgeons. J ISAKOS 2023; 8:239-245. [PMID: 37100118 DOI: 10.1016/j.jisako.2023.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 08/30/2022] [Accepted: 04/14/2023] [Indexed: 04/28/2023]
Abstract
OBJECTIVES To evaluate how ligament augmentation repair (LAR) techniques are currently used in different anatomic regions in orthopaedic sports medicine, and to identify the most common indications and limitations of LAR. METHODS We sent survey invitations to 4,000 members of the International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine society. The survey consisted of 37 questions total, with members only receiving some branching questions specific to their area of specialisation. Data were analysed using descriptive statistics, and the significance between groups was evaluated using chi-square tests of independence. RESULTS Of 515 surveys received, 502 were complete and included for the analysis (97% completion rate). 27% of respondents report from Europe, 26% South America, 23% Asia, 15% North America, 5.2% Oceania, and 3.4% Africa. 75% of all survey respondents report using LAR, most frequently using it for the anterior talofibular ligament ( 69%), acromioclavicular joint ( 58%), and the anterior cruciate ligament (51%). Surgeons in Asia report using LAR the most (80%), and surgeons in Africa the least (59%). LAR is most commonly indicated for additional stability (72%), poor tissue quality (54%), and more rapid return-to-play (47%). LAR users state their greatest limitation is cost (62%), while non-LAR users state their greatest reason not to use LAR is that patients do well without it (46%). We also find that the frequency of LAR use among surgeons may differ based on practice characteristics and training. For example, surgeons who treat athletes at the professional or Olympic level are significantly more likely to have a high annual use of LAR (20+ cases) compared to surgeons that treat only recreational athletes (45% and 25%, respectively, p = 0.005). CONCLUSION LAR is broadly applied in orthopaedics but its rate of use is not homogeneous. Outcomes and perceived benefits vary depending on factors such as surgeon specialty and treatment population. LEVEL OF EVIDENCE Level V.
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Affiliation(s)
- Kenneth J Hunt
- Department of Orthopedic Surgery, University of Colorado School of Medicine, 1635 Aurora Ct., 4th Floor, Aurora, CO, 80045, USA.
| | - Michael A Hewitt
- Department of Orthopedic Surgery, University of Colorado School of Medicine, 1635 Aurora Ct., 4th Floor, Aurora, CO, 80045, USA
| | - Sara E Buckley
- Department of Orthopedic Surgery, University of Colorado School of Medicine, 1635 Aurora Ct., 4th Floor, Aurora, CO, 80045, USA
| | - Jonathan Bartolomei
- Department of Orthopedic Surgery, University of Colorado School of Medicine, 1635 Aurora Ct., 4th Floor, Aurora, CO, 80045, USA
| | - Mark S Myerson
- Department of Orthopedic Surgery, University of Colorado School of Medicine, 1635 Aurora Ct., 4th Floor, Aurora, CO, 80045, USA
| | - MaCalus V Hogan
- Department of Orthopedic Surgery, University of Colorado School of Medicine, 1635 Aurora Ct., 4th Floor, Aurora, CO, 80045, USA
| | - I S A K O S Laf Committee
- Department of Orthopedic Surgery, University of Colorado School of Medicine, 1635 Aurora Ct., 4th Floor, Aurora, CO, 80045, USA
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Clinical Research Progress of Internal Brace Ligament Augmentation Technique in Knee Ligament Injury Repair and Reconstruction: A Narrative Review. J Clin Med 2023; 12:jcm12051999. [PMID: 36902785 PMCID: PMC10004357 DOI: 10.3390/jcm12051999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 02/26/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
Knee ligament injuries are most common in sports injuries. In general, ligament repair or reconstruction is necessary to restore the stability of the knee joint and prevent secondary injuries. Despite advances in ligament repair and reconstruction techniques, a number of patients still experience re-rupture of the graft and suboptimal recovery of motor function. Since Dr. Mackay's introduction of the internal brace technique, there has been continuous research in recent years using the internal brace ligament augmentation technique for knee ligament repair or reconstruction, particularly in the repair or reconstruction of the anterior cruciate ligament. This technique focuses on increasing the strength of autologous or allograft tendon grafts through the use of braided ultra-high-molecular-weight polyethylene suture tapes to facilitate postoperative rehabilitation and avoid re-rupture or failure. The purpose of this review is to present detailed research progress in the internal brace ligament enhancement technique of knee ligament injury repair as well as the reconstruction from biomechanical and histological research and clinical studies and to comprehensively assess the value of the application of this technique.
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Onggo JR, Babazadeh S, Pai V. Smaller Gap Formation With Suture Anchor Fixation Than Traditional Transpatellar Sutures in Patella and Quadriceps Tendon Rupture: A Systematic Review. Arthroscopy 2022; 38:2321-2330. [PMID: 35066110 DOI: 10.1016/j.arthro.2022.01.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 12/30/2021] [Accepted: 01/03/2022] [Indexed: 02/02/2023]
Abstract
PURPOSE The purpose of this study is to compare the biomechanical properties between traditional transosseous tunnel and suture anchor technique repair for extensor mechanism ruptures and assess for differences in the mechanism of failure of both techniques. METHODS A multi-database search (PubMed, EMBASE, and Medline) was performed according to PRISMA guidelines on November 14, 2021. All articles comparing biomechanical properties of transpatellar and suture anchor technique for extensor mechanism ruptures were included. Abstracts, reviews, case reports, studies without biomechanical analysis, conference proceedings, and non-English language studies were excluded. Outcomes pursued included gap formation, load to failure, and mechanism of failure. Relevant data from studies meeting inclusion criteria were extracted and analyzed. Study methodology was assessed using the Methodological Index for Non-Randomized Studies score. RESULTS A total of 212 knees were biomechanically assessed, including 98 patella and 114 quadricep tendon ruptures. Five patellar tendon studies were included, and all of them reported significantly smaller gap formation in suture anchor group. Gap formation for suture anchors ranged from .9 mm to 4.1 mm, while that of transpatellar group ranged from 2.9 mm to 10.3 mm. One study reported a significantly higher load to failure in the suture anchor group, while the remaining four studies reported no significant difference. Load to failure for suture anchor ranged from 259 N to 779 N, while that of the transpatellar group ranged from 287 N to 763 N. The most common mechanism of failure was anchor pullout in suture anchor and knot failure in the transpatellar group. Five quadriceps tendon studies were included, and three studies reported statistically significant smaller gap formation in the suture anchor group. Gap formation for suture anchor ranged from 1.5 mm to 5.0 mm, while that of transpatellar group ranged from 3.1 mm to 33.3 mm. Two studies reported a significantly higher load to failure in the suture anchor group, while one study reported a higher load to failure in the transpatellar repair group. Load to failure for suture anchor ranged from 286 N to 740 N, while that of transpatellar group ranged from 251 N to 691 N. The most common mechanism of failure was suture failure in the suture anchor and knot failure in the transpatellar group. CONCLUSION Suture anchor fixation displays a better biomechanical profile than traditional transpatellar techniques in terms of smaller gap formations in the repair of both patella and quadriceps tendon injuries. Anchor pullout in suture anchor fixation was present mainly with the use of titanium anchors. CLINICAL RELEVANCE These findings above may result in better retention of tendon approximation in patella and quadriceps tendon fixation postoperatively, which may result in earlier recovery. Further randomized controlled clinical trials to compare these techniques are required.
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Affiliation(s)
| | | | - Vishal Pai
- Box Hill Hospital, Melbourne, Victoria, Australia
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Lubis AMT, Prabowo I. Acute patellar tendon rupture with tibial tubercle avulsion repair using suture anchors: Tiny avulsed fragment which affects the strength of construction-a case report. Int J Surg Case Rep 2022; 96:107283. [PMID: 35751965 PMCID: PMC9240788 DOI: 10.1016/j.ijscr.2022.107283] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/04/2022] [Accepted: 06/05/2022] [Indexed: 02/07/2023] Open
Abstract
INTRODUCTION AND IMPORTANCE Patellar tendon is one of the most important components of the knee extensor mechanism, which consisted of quadriceps femoris muscle, quadriceps tendon, patellar bone and patellar tendon. The total disruption of patellar tendon will lead to disability and significant morbidity of the patient, or even worse, the patient is disabled to walk. The incidence of patellar tendon rupture is uncommon and most commonly found in the third to fourth decade of life. We present a case of total patellar tendon rupture in a teenager with primary repair with suture anchor. CASE PRESENTATION We presented a case of 14-year-old male with acute patellar tendon rupture accompanied by tibial tubercle avulsion after injury during basketball game. We treated by four-strands Krakow's suture that stitched to three sutures anchor, while cancellous screw plus washer introduced as internal fixation of bony avulsion at tibial tubercle. CLINICAL DISCUSSION Range of motion and International Knee Documentation Committee (IKDC) score had been followed up within 2 years with good result. Full range of motion and the IKDC score 89.7 were achieved without major complication such as pain and infection. The patient was able to return into sport activities. CONCLUSION The combination of cancellous screw with washer and three suture anchors lead to a good result in acute total rupture of patellar tendon with bony avulsion at tibial tubercle.
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Rigó IZ, Riano F, Kalapos R, Haugstvedt JR. Biomechanical Comparison of Modified Adams-Berger and DX technique in DRUJ Reconstruction. J Wrist Surg 2021; 10:516-522. [PMID: 34881107 PMCID: PMC8635826 DOI: 10.1055/s-0041-1728805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 03/04/2021] [Indexed: 10/21/2022]
Abstract
Background Adams-Berger ligamentoplasty is a widely accepted reconstruction for unrepairable triangular fibrocartilage complex (TFCC) injuries with instability. Failure of the reconstruction and recurrent instability is still a clinical problem. Internal brace augmentation of tendon grafts is gaining more popularity, but use in the distal radioulnar joint (DRUJ) is not yet published. Questions/Purposes The purpose of this study was to compare a novel anatomical DRUJ reconstruction with a modified Adams-Berger reconstruction to answer which technique stabilize better the DRUJ and which has enough stabilizing effect to allow early mobilization. Methods Nine matched pairs of cadaveric upper extremities were used. The dorsopalmar translations in the DRUJ that occurred with 50 N load were measured before and after detachment of the TFCC from the ulna and after ligament reconstruction with either modified Adams-Berger procedure or DX Swivelock technique. Internal brace augmented palmaris longus tendon grafts were used in all reconstruction. Results In the Adams-Berger group, the injured and the reconstructed displacements were significantly higher than the native, while in the DX group both the native and the reconstructed displacements were significantly lower than the injured. The mean (standard deviation) change of translations was 0.46 (1.94) mm after Adams-Berger and 2.51 (1.31) mm after DX reconstruction, implying significant better stabilizing effect of the latter. Conclusions DX Swivelock reconstruction showed better time zero stabilizing effect compared with Adams-Berger procedure, regaining almost normal stability of the DRUJ.
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Repair of Acute Patellar Tendon Rupture Using an Internal Brace Technique. Case Rep Orthop 2021; 2021:1086625. [PMID: 34840838 PMCID: PMC8616684 DOI: 10.1155/2021/1086625] [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: 08/03/2021] [Accepted: 11/10/2021] [Indexed: 11/17/2022] Open
Abstract
Acute patellar tendon rupture is a serious injury, resulting in the disruption of the knee extensor mechanism. Many authors recommend augmented repairs of patellar tendon ruptures to allow early active rehabilitation. An internal brace technique, which is a ligament augmentation using high-strength suture tape and knotless anchors, has been used as augmentation for the primary tendon or ligament injury. A case of acute patellar tendon rupture in a Judo player, who was successfully treated with primary repair and augmentation using an internal brace technique, is presented. In this case, the patient regained full function of the knee and returned to full sports activities postoperatively. An internal brace technique provides biomechanical stability of the repaired tendon without donor site morbidity and could be an effective procedure for the treatment of acute patellar tendon rupture.
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张 延, 王 啸, 李 继, 黄 霄. [Arthroscopic reinforced reconstruction of anterior cruciate ligament with autologous hamstring tendon and anchor suture band]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2021; 35:171-177. [PMID: 33624469 PMCID: PMC8171676 DOI: 10.7507/1002-1892.202008123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 12/15/2020] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To investigate the effectiveness of arthroscopic reinforced reconstruction of anterior cruciate ligament (ACL) with autologous hamstring tendon combined with anchor suture band. METHODS Between February 2016 and March 2018, 60 patients who were to be treated with arthroscopic ACL reconstruction and met the selection criteria were selected in the study. Among them, 30 cases were reconstructed with autologous hamstring tendon combined with anchor suture band (trial group), and 30 cases were reconstructed with simple autologous hamstring tendon (control group). There was no significant difference in gender, age, disease duration, cause of injury, injury side, and preoperative Lysholm score, Tegner score, and International Knee Documentation Committee (IKDC) score between the two groups ( P>0.05). After reconstruction, the patients in the trial group were allowed to start knee flexion and extension activities early without wearing an adjustable brace, while the patients in the control group were required to wear an adjustable brace for 12 weeks. The knee joint function (Lysholm score, Tegner score, IKDC score) and stability (Lachman test and pivot shift test) were compared between the two groups after operation. RESULTS There was no significant difference in graft diameter between the two groups ( t=1.061, P=0.115). Compared with the control group, the operation time of the trial group was significantly different ( t=4.924, P=0.000). All incisions healed primarily. In the control group, the intramuscular venous thrombosis occurred in 2 cases after operation. Both groups were followed up 18 months. The Lysholm score, Tegner score, and IKDC score of the two groups at each time point after operation were significantly higher than those before operation ( P<0.05); the above scores in the trial group were significantly higher than those in the control group at 3, 6, and 9 months after operation ( P<0.05); there was no significant difference between the two groups at 18 months after operation ( P>0.05). There was no significant difference in Lachman test results between the two groups at each time point after operation ( P>0.05). There was a significant difference in pivot shift test results at 6 months after operation between the two groups ( P<0.05); but there was no significant difference at other time points ( P>0.05). CONCLUSION The effectiveness of ACL reinforcedreconstruction with autologous hamstring tendon combined with anchor suture band is satisfactory. Compared with using autologous hamstring tendon alone, it has better initial strength and joint stability, and is more conducive to early postoperative functional exercise and functional recovery of knee joint.
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Affiliation(s)
- 延杰 张
- 河南省洛阳正骨医院(河南省骨科医院)膝部损伤科(河南洛阳 471002)Department of Knee Surgery, Luoyang Orthopedic-Traumatological Hospital of Henan Province (Henan Provincial Orthopedic Hospital), Luoyang Henan, 471002, P.R.China
| | - 啸 王
- 河南省洛阳正骨医院(河南省骨科医院)膝部损伤科(河南洛阳 471002)Department of Knee Surgery, Luoyang Orthopedic-Traumatological Hospital of Henan Province (Henan Provincial Orthopedic Hospital), Luoyang Henan, 471002, P.R.China
| | - 继超 李
- 河南省洛阳正骨医院(河南省骨科医院)膝部损伤科(河南洛阳 471002)Department of Knee Surgery, Luoyang Orthopedic-Traumatological Hospital of Henan Province (Henan Provincial Orthopedic Hospital), Luoyang Henan, 471002, P.R.China
| | - 霄汉 黄
- 河南省洛阳正骨医院(河南省骨科医院)膝部损伤科(河南洛阳 471002)Department of Knee Surgery, Luoyang Orthopedic-Traumatological Hospital of Henan Province (Henan Provincial Orthopedic Hospital), Luoyang Henan, 471002, P.R.China
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Adouni M, Mbarki R, Al Khatib F, Eilaghi A. Multiscale modeling of knee ligament biomechanics. INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN BIOMEDICAL ENGINEERING 2021; 37:e3413. [PMID: 33174350 DOI: 10.1002/cnm.3413] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 10/02/2020] [Accepted: 11/01/2020] [Indexed: 06/11/2023]
Abstract
Knee connective tissues are mainly responsible for joint stability and play a crucial role in restraining excessive motion during regular activities. The damage mechanism of these tissues is directly linked to the microscale collagen level. However, this mechanical connection is still unclear. During this investigation, a multiscale fibril-reinforced hyper-elastoplastic model was developed and statistically calibrated. The model is accounting for the structural architecture of the soft tissue, starting from the tropocollagen molecule that forms fibrils to the whole soft tissue. Model predictions are in agreement with the results of experimental and numerical studies. Further, damage initiation and propagation in the collagen fiber were computed at knee ligaments and located mainly in the superficial layers. Results indicated higher crosslink density required higher tensile stress to elicit fibril damage. This approach is aligned with a realistic simulation of a damaging process and repair attempt. To the best of our knowledge, this is the first model published in which the connective tissue stiffness is simultaneously predicted by encompassing the mesoscopic scales between the molecular and macroscopic levels.
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Affiliation(s)
- Malek Adouni
- Physical Medicine and Rehabilitation Department, Northwestern University, Chicago, Illinois, USA
- Mechanical Engineering Department, Australian College of Kuwait, Kuwait city, Kuwait
| | - Raouf Mbarki
- Mechanical Engineering Department, Australian College of Kuwait, Kuwait city, Kuwait
| | - Fadi Al Khatib
- Mechanical Engineering Department, Australian College of Kuwait, Kuwait city, Kuwait
| | - Armin Eilaghi
- Mechanical Engineering Department, Australian College of Kuwait, Kuwait city, Kuwait
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Gould HP, Weiner DA, Tomaszewski PM, Parks BG, Abbasi P, Fillar AL. High-Strength Suture Tape Augmentation Improves Cyclic Gap Formation in Transosseous Patellar Tendon Repair: A Biomechanical Study. Arthrosc Sports Med Rehabil 2020; 2:e469-e473. [PMID: 33134982 PMCID: PMC7588604 DOI: 10.1016/j.asmr.2020.05.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 05/02/2020] [Indexed: 11/06/2022] Open
Abstract
Purpose To compare gap displacement at various intervals of cyclic testing and biomechanical load to failure of a Krackow patellar tendon repair augmented with high-strength suture tape versus the standard Krackow transosseous technique for inferior pole patellar tendon rupture. Methods Twelve matched pairs of cadaveric knees were used (8 males and 4 females; mean age 79.6 years, range 57 to 96). An inferior pole patellar tendon rupture was simulated after random assignment of specimens in each pair to the standard or augmented Krackow technique. Each specimen was then repetitively cycled from 90° to 5° for 1,000 cycles. A differential variable reluctance transducer was used to measure gap displacement. After cyclic loading, load to failure was determined by pulling the tendon at a rate of 15 mm/s until a sudden decrease in load occurred. Results Compared with the control repair, specimens with augmented repair demonstrated significantly less displacement at all testing intervals up to 1,000 cycles (P < .05). Two patellar tendons failed before the end of cyclic loading, and 4 specimens had inadequate tendon length for loading. Among the 18 remaining specimens, no significant difference in load to failure was observed between the experimental group (n = 11) and the control group (n = 7) (1,006.5 ± 332.1 versus 932.8 ± 229.1 N, respectively; P = .567). Conclusions Significantly greater gap displacement was observed in the standard Krackow repair group compared with the augmented Krackow group at all cyclic loading intervals. This suggests that the Krackow transosseous procedure augmented with high-strength suture tape is biomechanically viable for inferior pole patellar tendon repair. Clinical Relevance This biomechanical study supports the use of high-strength suture tape augmentation of Krackow transosseous repair for inferior pole patellar tendon rupture.
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Affiliation(s)
- Heath P Gould
- Department of Orthopaedic Surgery, MedStar Union Memorial Hospital, Baltimore, Maryland, U.S.A
| | - David A Weiner
- Department of Orthopaedic Surgery, MedStar Union Memorial Hospital, Baltimore, Maryland, U.S.A
| | - Paul M Tomaszewski
- Department of Orthopaedic Surgery, MedStar Union Memorial Hospital, Baltimore, Maryland, U.S.A
| | - Brent G Parks
- Department of Orthopaedic Surgery, MedStar Union Memorial Hospital, Baltimore, Maryland, U.S.A
| | - Pooyan Abbasi
- Department of Orthopaedic Surgery, MedStar Union Memorial Hospital, Baltimore, Maryland, U.S.A
| | - Allison L Fillar
- Department of Orthopaedic Surgery, MedStar Union Memorial Hospital, Baltimore, Maryland, U.S.A
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Haber DB, Ruzbarsky JJ, Arner JW, Vidal AF. Revision Patellar Tendon Repair With Anchors, Allograft Augmentation, and Suspensory Fixation. Arthrosc Tech 2020; 9:e1845-e1849. [PMID: 33294350 PMCID: PMC7695753 DOI: 10.1016/j.eats.2020.08.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 08/07/2020] [Indexed: 02/03/2023] Open
Abstract
Ruptures of the patellar tendon are rare but potentially devastating injuries reported to occur most commonly in active males in their third and fourth decades of life. Repair failure rates have been reported to range between 2% and 50% based on surgical technique used. There are several inherent challenges associated with revision patellar tendon repair, including quadriceps atrophy, contracture, tissue loss, excessive scarring, and improper patella height. There remains no consensus regarding ideal revision patellar tendon repair technique. The purpose of this Technical Note is to describe our preferred method for revision patellar tendon repair using suture anchors and allograft augmentation with adjustable loop suspensory fixation. On the basis of recent studies, we have carefully chosen our fixation and augmentation methods that have shown biomechanical promise, while allowing the surgeon to carefully titrate the patellar tendon length and accommodate for some patellar tendon tissue loss.
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Affiliation(s)
- Daniel B. Haber
- Steadman Clinic and Steadman Philippon Research Institute, Vail, Colorado, U.S.A
| | - Joseph J. Ruzbarsky
- Steadman Clinic and Steadman Philippon Research Institute, Vail, Colorado, U.S.A
| | - Justin W. Arner
- Steadman Clinic and Steadman Philippon Research Institute, Vail, Colorado, U.S.A
| | - Armando F. Vidal
- Steadman Clinic and Steadman Philippon Research Institute, Vail, Colorado, U.S.A
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Park IJ, Maniglio M, Shin SS, Lim D, McGarry MH, Lee TQ. Internal Bracing Augmentation for Scapholunate Interosseous Ligament Repair: A Cadaveric Biomechanical Study. J Hand Surg Am 2020; 45:985.e1-985.e9. [PMID: 32434732 DOI: 10.1016/j.jhsa.2020.03.017] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 02/14/2020] [Accepted: 03/23/2020] [Indexed: 02/02/2023]
Abstract
PURPOSE Internal bracing (IB) is an augmentation method using high-strength nonabsorbable tape. This study compared scapholunate interosseous ligament (SLIL) repair alone, SLIL repair with IB augmentation (RIBA), and native intact SLIL (NIS) in a biomechanical cadaveric model. METHODS We used 21 specimens of fresh-frozen wrists in this study (7 matched pairs, SLIL repair-only and SLIL RIBA groups; and 7 independent fresh-frozen wrists, NIS group). In the SLIL RIBA group, augmentation using IB was performed after the repair. The specimens were preloaded and cyclically loaded in tension. Maximum extension and hysteresis were measured in all specimens. The specimens were subsequently tested for load to failure. Failure load (yield point load, mean ultimate load, and load at clinical failure) and linear stiffness were calculated. RESULTS In cyclic tensile testing, RIBA showed lower maximum extension and lower hysteresis than repair alone. In load to failure testing, the yield point load was statistically higher in the RIBA (59.3 N) group than in the repair-only (30.4 N) group but showed no significant difference compared with the NIS (90.7 N) groups. Moreover, the RIBA (98.5 N) group showed higher and lower mean ultimate loads than the repair-only (37.7 N) and NIS (211.8 N) groups, respectively. Load at clinical failure was higher with RIBA than with repair alone (3-mm extension: 70.0 vs 26.4 N; 4-mm extension: 84.1 vs 33.4 N). Repair alone and RIBA had comparable linear stiffness (38.2 vs 44.1 N/mm). CONCLUSIONS Although SLIL RIBA did not recreate biomechanical properties equivalent to those of NIS, it demonstrated a significantly higher strength than repair alone. CLINICAL RELEVANCE Repair with IB augmentation could serve as a novel surgical technique that enhances SLIL direct repair through biomechanical support.
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Affiliation(s)
- Il-Jung Park
- Orthopaedic Biomechanics Laboratory, Congress Medical Foundation, Pasadena, CA; Department of Orthopaedic Surgery, College of Medicine, The Catholic University of Korea, Seoul, South Korea.
| | - Mauro Maniglio
- Orthopaedic Biomechanics Laboratory, Congress Medical Foundation, Pasadena, CA; Department of Orthopaedics and Traumatology, Inselspital Bern, University Hospital, Bern, Switzerland
| | - Steven S Shin
- Department of Orthopaedics, Cedars-Sinai Health System, Los Angeles, CA
| | - Dohyung Lim
- Orthopaedic Biomechanics Laboratory, Congress Medical Foundation, Pasadena, CA; Department of Mechanical Engineering, Sejong University, Seoul, South Korea
| | - Michelle H McGarry
- Orthopaedic Biomechanics Laboratory, Congress Medical Foundation, Pasadena, CA
| | - Thay Q Lee
- Orthopaedic Biomechanics Laboratory, Congress Medical Foundation, Pasadena, CA
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15
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Surgical Treatment for Chronic Rupture of the Patellar Tendon Performed in 2 Stages. Arthrosc Tech 2019; 9:e159-e166. [PMID: 32021790 PMCID: PMC6993262 DOI: 10.1016/j.eats.2019.09.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 09/13/2019] [Indexed: 02/03/2023] Open
Abstract
Patellar tendon rupture is an uncommon but disabling lesion. It usually occurs in men younger than 40 years, through direct or indirect trauma. Obtaining satisfactory results with treatment of chronic injuries and re-ruptures in which the patella retracts owing to quadriceps contraction is a challenge. This is of major concern especially in cases in which the patella cannot be positioned in its anatomic position when distal traction is performed. In these cases, V-Y stretching of the quadriceps can be performed in an attempt to perform reconstruction in 1 stage. Instead, a 2-stage procedure can be chosen, in which the first stage relies on patellar trans-skeletal traction to achieve distalization of the patella. In 1981, a technique for the treatment of chronic injuries of the patellar tendon in 2 stages was described. In that procedure, the first stage consisted of transpatellar traction and the second stage was tendon-tendon suturing with fascia lata reinforcement. We describe a surgical technique performed in 2 stages; in the first stage, trans-skeletal traction is performed, and in the second stage, the technique of Kelikian et al. with our modification is performed. This technique is used in patients with chronic rupture of the patellar tendon associated with a high patella with nonreducible quadriceps shortening.
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Soreide E, Denbeigh JM, Lewallen EA, Thaler R, Xu W, Berglund L, Yao JJ, Martinez A, Nordsletten L, van Wijnen AJ, Kakar S. In vivo assessment of high-molecular-weight polyethylene core suture tape for intra-articular ligament reconstruction: an animal study. Bone Joint J 2019; 101-B:1238-1247. [PMID: 31564153 DOI: 10.1302/0301-620x.101b10.bjj-2018-1282.r2] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AIMS Options for the treatment of intra-articular ligament injuries are limited, and insufficient ligament reconstruction can cause painful joint instability, loss of function, and progressive development of degenerative arthritis. This study aimed to assess the capability of a biologically enhanced matrix material for ligament reconstruction to withstand tensile forces within the joint and enhance ligament regeneration needed to regain joint function. MATERIALS AND METHODS A total of 18 New Zealand rabbits underwent bilateral anterior cruciate ligament reconstruction by autograft, FiberTape, or FiberTape-augmented autograft. Primary outcomes were biomechanical assessment (n = 17), microCT (µCT) assessment (n = 12), histological evaluation (n = 12), and quantitative polymerase chain reaction (qPCR) analysis (n = 6). RESULTS At eight weeks, FiberTape alone or FiberTape-augmented autograft demonstrated increased biomechanical stability compared with autograft regarding ultimate load to failure (p = 0.035), elongation (p = 0.006), and energy absorption (p = 0.022). FiberTape-grafted samples also demonstrated increased bone mineral density in the bone tunnel (p = 0.039). Histological evaluation showed integration of all grafts in the bone tunnels by new bone formation, and limited signs of inflammation overall. A lack of prolonged inflammation in all samples was confirmed by quantification of inflammation biomarkers. However, no regeneration of ligament-like tissue was observed along the suture tape materials. Except for one autograft failure, no adverse events were detected. CONCLUSION Our results indicate that FiberTape increases the biomechanical performance of intra-articular ligament reconstructions in a verified rabbit model at eight weeks. Within this period, FiberTape did not adversely affect bone tunnel healing or invoke a prolonged elevation in inflammation. Cite this article: Bone Joint J 2019;101-B:1238-1247.
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Affiliation(s)
- Endre Soreide
- Department of Orthopaedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.,Division of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway and Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Janet M Denbeigh
- Department of Orthopaedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Eric A Lewallen
- Department of Orthopaedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.,Department of Biological Sciences, Hampton University, Hampton, Virginia, USA
| | - Roman Thaler
- Department of Orthopaedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Wei Xu
- Department of Orthopaedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.,Department of Orthopaedics, Second Affiliated Hospital of Soochow University, Suzhou, China
| | | | - Jie J Yao
- Department of Orthopaedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Anthony Martinez
- Department of Pathology, Musculoskeletal Disorders, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA
| | - Lars Nordsletten
- Division of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway and Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Andre J van Wijnen
- Department of Orthopaedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Sanjeev Kakar
- Department of Orthopaedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
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Ovigue J, Graveleau N, Bouguennec N. Patellar Tendon Reconstruction Using Hamstring Tendon and Adjustable Suspensory Cortical Fixation. Arthrosc Tech 2019; 8:e679-e683. [PMID: 31467837 PMCID: PMC6713845 DOI: 10.1016/j.eats.2019.03.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 03/01/2019] [Indexed: 02/03/2023] Open
Abstract
Chronic patellar tendon rupture is a rare injury; extensor mechanism impairment leads to great disability in daily life. The delayed diagnosis and reconstruction of chronic patellar tendon ruptures are technically challenging. Numerous surgical procedures have been described with bone-tendon-bone graft, hamstring graft, artificial ligament, and allograft. We describe safe, reproducible anatomic reconstruction of the patellar tendon using hamstring tendon and adjustable suspensory fixation. After harvesting of the hamstrings, the graft is prepared with 2 adjustable suspensory fixation devices. Then, a complete tibial tunnel and a patellar tunnel with a socket are drilled with the appropriate diameter, and the graft is pulled through the tunnels. Finally, the suspensory fixation devices on the tibial and patellar sides are tensioned. The aim of this procedure is to obtain complete mobility of the knee, using a procedure similar to anterior cruciate ligament reconstruction in graft preparation.
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Affiliation(s)
- Jordan Ovigue
- Sports Clinic of Bordeaux-Merignac, Mérignac, France,Laboratory of Anatomy, Hôspital Pellegrin, Bordeaux University Hospital, Bordeaux, France,Address correspondence to Jordan Ovigue, M.D., Centre of Orthopaedic Sports Surgery, Bordeaux-Mérignac 33700.
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Martetschläger F, Reifenschneider F, Fischer N, Wijdicks CA, Millett PJ, Imhoff AB, Braun S. Sternoclavicular Joint Reconstruction Fracture Risk Is Reduced With Straight Drill Tunnels and Optimized With Tendon Graft Suture Augmentation. Orthop J Sports Med 2019; 7:2325967119838265. [PMID: 31041330 PMCID: PMC6481000 DOI: 10.1177/2325967119838265] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Background: Despite the rare entity of sternoclavicular joint (SCJ) instability, a variety of different reconstruction techniques for SCJ dislocations have been described. A technique with oblique drilling has been proposed to reduce intraoperative risks. Purpose: To biomechanically investigate different cerclage reconstruction techniques and the benefit of additional reinforcement using suture tape. Study Design: Controlled laboratory study. Methods: Reconstructed artificial bone specimens were mounted on a mechanical testing machine. They were subjected to anterior and posterior translation, analyzing ultimate strength, displacement, stiffness, and elongation. For stage 1, different angulations of the drill tunnels through the sternum and clavicle were compared. Straight drill tunnels from anterior to posterior were compared with 45° oblique drill tunnels. For stage 2, three different materials for cerclage reconstruction were compared: (1) suture tape alone (FT group), (2) tendon graft alone (tendon group), and (3) tendon graft with suture tape augmentation (tendon+FT group). Results: For the FT group, in the anterior and posterior directions, straight drill holes resulted in a significantly higher load to failure (936.9 ± 122.5 N) compared with oblique ones (434.5 ± 20.2 N) (P < .0001). During cyclic testing, all specimens with straight drill holes survived the 5- to 550-N step, while all specimens with oblique ones failed during the 5- to 450-N step. Analyzing the graft material choice, the mean load to failure was 556.6 ± 174.3 N for the tendon group, 936.9 ± 122.5 N for the FT group, and 767.0 ± 110.7 N for the tendon+FT group (P = .089). The stiffness of the tendon+FT group was significantly lower than that of the FT group and significantly higher than that of the tendon group. Conclusion: Oblique tunnel placement during SCJ reconstruction, while reducing the intraoperative risk, results in decreased primary stability of the construct. Tendon graft reconstruction with suture tape augmentation leads to enhanced stability and optimizes biomechanical properties of the construct. Clinical Relevance: The surgical technique with straight drill holes has superior initial biomechanical properties and may likewise produce superior clinical outcomes in the treatment of SCJ instability. Suture tape augmentation can provide additional stability to reconstruction procedures.
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Affiliation(s)
- Frank Martetschläger
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany.,Department of Shoulder and Elbow Surgery, ATOS Clinic Munich, Munich, Germany
| | | | - Nicole Fischer
- Department of Research & Development, Arthrex GmbH, Munich, Germany
| | - Coen A Wijdicks
- Department of Research & Development, Arthrex GmbH, Munich, Germany
| | | | - Andreas B Imhoff
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
| | - Sepp Braun
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany.,Gelenkpunkt, Sport- und Gelenkchirurgie Innsbruck, Innsbruck, Austria
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19
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Schütte V, Schmidt-Hebbel A, Imhoff AB, Achtnich A. [Patellar tendon ruptures : Internal bracing and augmentation technique]. OPERATIVE ORTHOPADIE UND TRAUMATOLOGIE 2019; 31:45-55. [PMID: 30683978 DOI: 10.1007/s00064-018-0585-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 08/20/2018] [Accepted: 09/23/2018] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To report a surgical technique for the treatment of patellar tendon ruptures augmented with an internal brace suture tape. INDICATIONS Acute patellar tendon ruptures, fractures of the distal patellar pole, chronic insufficiency of the patellar tendon or revision surgery for failed repairs. CONTRAINDICATIONS Severe damage to the surrounding soft tissue. Local infection. Life-threatening conditions. SURGICAL TECHNIQUE Direct longitudinal anterior approach to the patellar tendon. Two parallel transosseous bone tunnels are drilled in the patella and tibial tuberosity with a 2.4 mm drill bit. Two separate FiberTapes® (Arthrex, Naples, FL; USA) are shuttled through the proximal and distal bone tunnels around the tendon in "X" and "O" type configuration. Patellar height is reestablished under fluoroscopic control and both FiberTapes are tied down. Both tendon ends are debrided and readapted with absorbable sutures. POSTOPERATIVE MANAGEMENT Passive motion exercise to 90° of flexion from day 1. Partial load to 20 kg of body weight with knee in locked full extension brace during first 2 weeks. Isometric exercises from week 3. Passive flexion to 110° from week 4 (adapted to pain). Free active range of motion and weight bearing from week 7. RESULTS In more than 10 years of clinical application, positive results were continuously found in acute as well as chronic patellar tendon ruptures. These results are consistent with those in the current literature.
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Affiliation(s)
- V Schütte
- Klinik für Unfall- und Wiederherstellungschirurgie, BG Klinikum Bergmannstrost, Halle/Saale, Deutschland
| | | | - A B Imhoff
- Abteilung für Sportorthopädie, Klinikum rechts der Isar, Ismaninger Str. 22, 81675, München, Deutschland.
| | - A Achtnich
- Abteilung für Sportorthopädie, Klinikum rechts der Isar, Ismaninger Str. 22, 81675, München, Deutschland
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Lissy M, Patel UJ. Surgical Technique: Repair of Patella Tendon Rupture in a Previously Harvested Tendon for an Anterior Cruciate Ligament Reconstruction. J Orthop Case Rep 2019; 9:34-40. [PMID: 32405484 PMCID: PMC7210899 DOI: 10.13107/jocr.2019.v09.i04.1468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Background: A rare cause of patellar tendon (PT) ruptures is complications after bone-PT-bone (BPTB) graft harvest for anterior cruciate ligament (ACL) reconstruction. The atypical tear pattern in these patients can be technically challenging to address. Description of Technique: A Krackow suture fixation of the medial, tibial based PT was fixed with a knotless suture anchor to the patella. A Krackow suture fixation of the lateral, patella based PT was fixed with a knotless suture anchor to the tibia. Fiber Tape was used for an Internal Brace. Patient and Methods: We retrospectively reviewed a single patient with a proximal-medial and distal-lateral PT rupture following BPTB graft harvest for an ACL reconstruction. The described repair technique was used to repair the PT rupture. Follow-up was 6-months. Range of motion (ROM), functional outcome scores, and patient-reported outcomes were assessed and recorded. Results: Six-months postoperatively, the patient has regained full knee extension and flexion to 130 degrees. The patient has good quadriceps strength, and manual muscle testing shows no deficits in the operative leg. The patient is able to perform all of her activities of daily living and is discharged from physical therapy. Conclusion: We describe a novel technique that effectively repairs the atypical PT rupture pattern seen after ACL reconstruction using BPTB autograft. This technique allows for aggressive post-operative rehabilitation in ROM and strengthening. Level of Evidence: Level V.
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Affiliation(s)
- Micah Lissy
- Department of Orthopaedics, United Health Services Sports Medicine, Vestal, New York, USA.,Department of Orthopedic Surgery, State University of New York Upstate Medical University, Syracuse, New York, USA
| | - Urvi J Patel
- Department of Orthopedic Surgery, State University of New York Upstate Medical University, Syracuse, New York, USA
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