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Wang S, Habet N, Rice OM, CarlLee TL, Moorman CT. Superiorly and transversely orienting the bicortical suspension device provides optimal anterolateral stability to the proximal tibiofibular joint: a finite-element study. Knee Surg Sports Traumatol Arthrosc 2022; 30:3767-3775. [PMID: 35585275 DOI: 10.1007/s00167-022-06991-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 04/21/2022] [Indexed: 11/30/2022]
Abstract
PURPOSE Instability of the proximal tibiofibular joint (PTFJ) can be treated with bicortical suspension (BCS) fixation. However, the ideal location, orientation, and configuration to apply one or two BCS devices are not clear. METHODS A finite-element model of the PTFJ was created from a female adult's CT dataset. Anterior and posterior ligaments at the PTFJ were modeled and suppressed to simulate stable and unstable joints. Fifty-six models simulated 56 device placements along guiding tunnel lines that connect eight entry locations on the fibular head to seven exit points on the anteromedial tibia. Doubling device stiffness created 56 more models. Combing any two placements created 1176 double-device configurations which were categorized to be crossed, divergent or parallel. Displacement of the fibular head relative to the fixed tibia under 100 N anterolateral and posteromedial forces was assessed. RESULTS Different placements had 2.1-27.9 mm translation with 0.7-8.9° internal rotation under anterolateral loading, and 1.8-5.2 mm translation with 6.1-7.9° external rotation under posteromedial loading. More transverse and superior orientations were associated with smaller anterolateral translation; more posterior and superior entry locations were associated with smaller internal rotation. The median (IQR) reductions in anterolateral translation by doubling device stiffness and by adding a second device were 0.8 (IQR 0.5-1.0) and 0.8 (IQR 0-6.1) mm, respectively. The type of double-device configurations had no significant effect on fibular motion. CONCLUSION Surgeons should drill the guiding tunnel superiorly and transversely to ensure the optimal restoration of the PTFJ anterolateral stability.
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Affiliation(s)
- Shangcheng Wang
- Department of Orthopaedic Surgery, Atrium Health Musculoskeletal Institute, 1000 Blythe Blvd, Charlotte, NC, 28203, USA. .,OrthoCarolina Research Institute, Charlotte, NC, USA.
| | - Nahir Habet
- Department of Orthopaedic Surgery, Atrium Health Musculoskeletal Institute, 1000 Blythe Blvd, Charlotte, NC, 28203, USA
| | - Olivia M Rice
- Department of Orthopaedic Surgery, Atrium Health Musculoskeletal Institute, 1000 Blythe Blvd, Charlotte, NC, 28203, USA
| | | | - Claude T Moorman
- Department of Orthopaedic Surgery, Atrium Health Musculoskeletal Institute, 1000 Blythe Blvd, Charlotte, NC, 28203, USA.,OrthoCarolina Sports Medicine, Charlotte, NC, USA
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Chang J, Zhu Z, Liao Z, Meng T, Zheng S, Cicuttini F, Winzenberg T, Wluka A, Jiang D, Han W, Ding C. A novel method for assessing proximal tibiofibular joint on MR images in patients with knee osteoarthritis. Osteoarthritis Cartilage 2018; 26:1675-1682. [PMID: 30195044 DOI: 10.1016/j.joca.2018.08.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 07/30/2018] [Accepted: 08/28/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVES To validate a method to measure the morphological parameters of the proximal tibiofibular joint (PTFJ) in patients with knee osteoarthritis (OA). METHODS 408 participants were examined in this cross-sectional subject-based study. We calculated the fibular contacting area of PTFJ (S) and its projection areas onto the horizontal plane (load-bearing area, Sτ), the sagittal plane (lateral stress-bolstering area, Sφ) and the coronal plane (posterior stress-bolstering area, Sυ). Joint space narrowing (JSN) and osteophyte was measured using radiographs. Cartilage defects, bone marrow lesions (BMLs) and cartilage volume were evaluated using magnetic resonance imaging (MRI). RESULTS The average PTFJ fibular contacting area was 2.4 cm2 (SD, ±0.7 cm2). Intra-observer and inter-observer reliabilities of measures of PTFJ morphological parameters were excellent (≥0.90). S, Sτ and Sφ were significantly associated with JSN in the medial tibiofemoral compartment (PR: 1.40, 95% CI 1.10-1.78; PR: 1.65, 95% CI 1.25-2.18 and PR: 0.53, 95% CI 0.29-0.97, respectively). There was a significantly positive association between S, Sτ and medial and/or femoral tibial cartilage defects. S, Sτ and Sυ were significantly and positively associated with medial and/or femoral tibial BMLs (PR: 1.36, 95% CI 1.12-1.64; PR: 1.47, 95% CI 1.17-1.83; and PR: 1.39, 95% CI 1.06-1.82, respectively) after adjustment. S and Sτ were significantly and negatively associated with medial tibial cartilage volume. CONCLUSIONS This novel method to assess the morphological parameters of PTFJ in MRI is reproducible. These parameters are associated with knee radiographic and MRI-based OA-related structural abnormalities, suggesting clinical construct validity. Its predictive validity needs to be examined in future longitudinal studies.
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Affiliation(s)
- J Chang
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia; Department of Orthopaedics, 4th Affiliated Hospital, Anhui Medical University, Hefei, Anhui, China
| | - Z Zhu
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China; Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Z Liao
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia; Rheumatology and Immunology Division, 3rd Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - T Meng
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - S Zheng
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - F Cicuttini
- Department of Epidemiology and Preventive Medicine, Monash University, Victoria, Australia
| | - T Winzenberg
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia; Faculty of Health, University of Tasmania, Hobart, Tasmania, Australia
| | - A Wluka
- Department of Epidemiology and Preventive Medicine, Monash University, Victoria, Australia
| | - D Jiang
- School of Engineering and ICT, University of Tasmania, Hobart, Tasmania, Australia
| | - W Han
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China; Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia.
| | - C Ding
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China; Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia; Department of Rheumatology and Immunology, 1st Affiliated Hospital, Anhui Medical University, Hefei, China.
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Nannaparaju M, Mortada S, Wiik A, Khan W, Alam M. Posterolateral corner injuries: Epidemiology, anatomy, biomechanics and diagnosis. Injury 2018; 49:1024-1031. [PMID: 29254623 DOI: 10.1016/j.injury.2017.10.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 09/03/2017] [Accepted: 10/07/2017] [Indexed: 02/02/2023]
Abstract
Increased internal and external rotational laxity of the knee may result from a wide range of pathologies in or around the knee. However, the principal cause of increased external rotational laxity is damage to the posterolateral corner (PLC). The aim of the review is to discuss the epidemiology, anatomy, biomechanics and diagnosis of PLC injuries.
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Affiliation(s)
| | - S Mortada
- Barking, Havering and Redbridge University Hospitals, Romford, UK
| | - A Wiik
- Barking, Havering and Redbridge University Hospitals, Romford, UK
| | - W Khan
- University of Cambridge, Addenbrooke's Hospital, Cambridge, UK
| | - M Alam
- Barking, Havering and Redbridge University Hospitals, Romford, UK
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Burkhart TA, Asa B, Payne MWC, Johnson M, Dunning CE, Wilson TD. Anatomy of the proximal tibiofibular joint and interosseous membrane, and their contributions to joint kinematics in below-knee amputations. J Anat 2014; 226:143-9. [PMID: 25469567 DOI: 10.1111/joa.12263] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/27/2014] [Indexed: 11/29/2022] Open
Abstract
A result of below-knee amputations (BKAs) is abnormal motion that occurs about the proximal tibiofibular joint (PTFJ). While it is known that joint morphology may play a role in joint kinematics, this is not well understood with respect to the PTFJ. Therefore, the purposes of this study were: (i) to characterize the anatomy of the PTFJ and statistically analyze the relationships within the joint; and (ii) to determine the relationships between the PTFJ characteristics and the degree of movement of the fibula in BKAs. The PTFJ was characterized in 40 embalmed specimens disarticulated at the knee, and amputated through the mid-tibia and fibula. Four metrics were measured: inclination angle (angle at which the fibula articulates with the tibia); tibial and fibular articular surface areas; articular surface concavity and shape. The specimens were mechanically tested by applying a load through the biceps femoris tendon, and the degree of motion about the tibiofibular joint was measured. Regression analyses were performed to determine the relationships between the different PTFJ characteristics and the magnitude of fibular abduction. Finally, Pearson correlation analyses were performed on inclination angle and surface area vs. fibular kinematics. The inclination angle measured on the fibula was significantly greater than that measured on the tibia. This difference may be attributed to differences in concavity of the tibial and fibular surfaces. Surface area measured on the tibia and fibula was not statistically different. The inclination angle was not statistically correlated to surface area. However, when correlating fibular kinematics in BKAs, inclination angle was positively correlated to the degree of fibular abduction, whereas surface area was negatively correlated. The characteristics of the PTFJ dictate the amount of fibular movement, specifically, fibular abduction in BKAs. Predicting BKA complications based on PTFJ characteristics can lead to recommendations in treatment.
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Affiliation(s)
- Timothy A Burkhart
- Department of Mechanical and Materials Engineering, Western University, London, ON, Canada
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Abstract
Injury to the proximal tibiofibular joint is uncommon. Previous studies regarding the anatomy of this region have predominantly focused on joint orientation. As radiographic technology has advanced, later studies have attempted to evaluate the capsular anatomy. However, no reports specifically map the ligaments to this joint. The objectives of the current study were to define specific ligamentous structures that provide stability to the proximal tibiofibular joint, describe easily identifiable and reproducible surgical landmarks to aid in surgical reconstruction, and add to the understanding of the posterolateral structures of the knee previously described by other authors. The proximal tibiofibular joint ligaments were identified in 10 fresh-frozen cadaveric specimens. Average ligament length, width, and thickness and area of the footprints of the tibial and fibular attachments were measured. Distances from the ligament footprints to known anatomic landmarks (eg, Gerdy's tubercle, tibial articular surface, and fibular styloid) were also measured. The anterior ligament tibial attachment was a mean of 15.6 mm lateral and posterior to Gerdy's tubercle and 17.3 mm anterior and inferior from the fibular styloid. Posterior ligament tibial insertion was a mean of 15.7 mm inferior to the tibial articular surface on the tibial side and 14.2 mm medial and slightly inferior from the fibular styloid. Definable ligaments provide stability to the proximal tibiofibular joint and can be reconstructed in an anatomic fashion using the landmarks and parameters described. This information allows for an anatomic reconstruction of the proximal tibiofibular joint, which should provide patients with better outcomes and fewer postoperative sequelae.
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Affiliation(s)
- Aaron See
- Department of Orthopaedic Surgery, William Beaumont Army Medical Center, El Paso, Texas, USA
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Miyatake S, Kondo E, Tsai TY, Hirschmann M, Halewood C, Jakobsen BW, Yasuda K, Amis AA. Biomechanical comparisons between 4-strand and modified Larson 2-strand procedures for reconstruction of the posterolateral corner of the knee. Am J Sports Med 2011; 39:1462-9. [PMID: 21508435 DOI: 10.1177/0363546511404135] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND The posterolateral corner (PLC) resists tibial varus angulation, external rotation, and, to a lesser extent, posterior translation. It is important that reconstructions of posterolateral knee injuries restore joint laxity and patient function, but residual laxities are often observed. HYPOTHESIS The knee laxity after a new 4-strand PLC reconstruction would be closer to normal than after a 2-strand "modified Larson" reconstruction. STUDY DESIGN Controlled laboratory study. METHODS Fourteen intact cadaveric knees were mounted in a 6 degrees of freedom rig and subjected to the following external loading conditions: a 90-N posterior tibial force, a 5-N·m external rotation torque, and 5-N·m varus moment. Knee kinematics were recorded with an active optical tracking system for the intact, PLC-deficient, modified Larson PLC reconstruction and 4-strand PLC reconstruction. RESULTS With external tibial torque, the rotational laxity in 4-strand reconstruction was significantly less than in the PLC-deficient (P < .0001) and modified Larson reconstruction (P = .0112) and did not differ significantly from intact laxity at any angle of flexion. In response to posterior load, posterior translation did not change in any of the tested conditions, while the coupled external rotation laxity in 4-strand PLC reconstruction was significantly less than in the PLC-deficient (P < .0001) and modified Larson reconstruction (P < .0486) and was not significantly different from the intact movements for both reconstructions. The varus angulation-versus-flexion curves were significantly different between the PLC-deficient and both PLC reconstructions (P < .0001). The varus laxity was not significantly different between the modified Larson reconstruction, the 4-strand reconstruction, and the intact knee. CONCLUSION This study showed that the rotational knee laxity in response to both external rotation and posterior translation load were significantly better after the 4-strand PLC reconstruction than after the modified Larson reconstruction, although significant differences were not found between the 2 procedures for varus laxity. CLINICAL RELEVANCE The 4-strand PLC reconstruction may produce a better biomechanical outcome, especially during external rotation and posterior translation tibial load. The authors suggest that this relates to load sharing among 4 graft strands crossing the joint.
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Affiliation(s)
- Shin Miyatake
- Department of Mechanical Engineering, Imperial College London, London, United Kingdom
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Laidlaw MS, Ehmer N, Matityahu A. Proximal tibiofibular joint pain after insertion of a tibial intramedullary nail: two case reports with accompanying computed tomography and cadaveric studies. J Orthop Trauma 2010; 24:e58-64. [PMID: 20502206 DOI: 10.1097/bot.0b013e3181b80278] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Intramedullary nail (IMN) fixation is a proven, efficient, and effective surgical intervention for diaphyseal tibia fractures. We present a case report of two patients who sustained diaphyseal tibial fractures, were treated with IMN fixation, and subsequently developed lateral and posterolateral knee pain secondary to interlocking screw penetration into the proximal tibiofibular joint (PTFJ). We performed a retrospective radiographic review of 50 consecutive knee computed tomographic scans to define the fibula's respective anatomic relationship to the tibia on axial computed tomographic images in addition to a cadaveric study of four IMN implants to evaluate the orientation of the medial inserted proximal oblique interlock screw with three-dimensional reconstructive fluoroscopy. The "danger zone" was found to be from 44.7 degrees to 72.1 degrees on the right and from 40.6 degrees to 73.0 degrees on the left. The cadaveric computed tomographic study showed the projected screw placement angles to be 45 degrees for the Synthes IMN, 45 degrees for the Stryker IMN, 48 degrees for the DePuy IMN, and 63 degrees for the Smith & Nephew IMN. These findings were correlated to an anatomically based "clock face" guide. To our knowledge, this report is the first to illuminate a PTFJ injury with the initial presenting complaint of lateral and posterolateral knee pain from a medially inserted proximal oblique interlocking screw after IMN for a diaphyseal tibia fracture. Using the proposed reproducible "clock face" diagram and understanding the computed tomography-derived PTFJ "danger zone" for placement of proximal oblique interlock screws for IMN fixation of tibia fractures, surgeons can avoid violation of the PTFJ.
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Affiliation(s)
- Michael S Laidlaw
- Department of Orthopaedic Surgery, University of California San Francisco, San Francisco, CA, USA
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Dirim B, Wangwinyuvirat M, Frank A, Cink V, Pretterklieber ML, Pastore D, Resnick D. Communication Between the Proximal Tibiofibular Joint and Knee via the Subpopliteal Recess: MR Arthrography with Histologic Correlation and Stratigraphic Dissection. AJR Am J Roentgenol 2008; 191:W44-51. [DOI: 10.2214/ajr.07.3406] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Bozkurt M, Yilmaz E, Akseki D, Havitcioğlu H, Günal I. The evaluation of the proximal tibiofibular joint for patients with lateral knee pain. Knee 2004; 11:307-12. [PMID: 15261218 DOI: 10.1016/j.knee.2003.08.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2003] [Accepted: 08/25/2003] [Indexed: 02/02/2023]
Abstract
In contrast to important functions of the proximal tibiofibular joint (PTFJ), there appear a few clinical and radiological studies concerning the PTFJ pathologies. Although almost all of the joints have been investigated in detail by MRI, review of the literature reveals none on the pathologies of PTFJ. Thirty-eight knees of 32 patients with lateral knee pain were evaluated clinically and radiologically. All had tenderness over the PTFJ and lateral hamstring tightness. MRI examination revealed effusion of the PTFJ in 22 knees and partial ruptures of anterior or posterior tibiofibular ligament, lateral collateral ligament or biceps femoris tendon in 25 knees. All patients were treated by manipulative physiotherapy of the PTFJ and strengthening and stretching exercises of the surrounding structures. All patients were followed-up 12-36 months (mean 28 months) after the treatment protocol, and complete relief of the symptoms was recorded in 28 of the 38 knees. Although spontaneous pain was not present in five patients, there was tenderness over the PTFJ by palpation. No change in the symptoms was recorded in five patients. These results suggest that PTFJ pathologies should be kept in mind in the evaluation of lateral knee pain and MRI examination provides useful information.
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Affiliation(s)
- Murat Bozkurt
- Department of Orthopaedics and Traumatology, Emergency Care and Traumatology Hospital, Ankara, Turkey.
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Abstract
The position of the fibula around the proximal tibia varies in different people; it was therefore hypothesized that this variation would affect the orientation of the lateral collateral ligament and the popliteofibular ligament complex. This hypothesis was studied in 10 cadaveric knees by measuring the orientation and length changes in these structures as the knee was flexed. The data were correlated with tibiofibular joint position. The strength of the ligaments was also tested. There were significant correlations between fibular head position and ligament orientation with the knee extended. The lateral collateral ligament slackened significantly with knee flexion, whereas the popliteofibular ligament complex did not. The structures became significantly steeper in the sagittal plane as the knee was flexed. The lateral collateral ligament passed through vertical at 70 degrees of knee flexion and was thus poorly oriented to withstand tibial external rotation. The lateral collateral and popliteofibular ligaments had tensile strengths of 309 and 186 N, respectively. The popliteofibular ligament is dominant when the knee is flexed, because of the slackening of the lateral collateral ligament, and so it should always be reconstructed. The anatomic variation causes some knees to have better ligament orientations to withstand posterolateral tibial displacements and, conversely, other knees may be inherently more difficult to stabilize by reconstruction.
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Affiliation(s)
- T Sugita
- Mechanical Engineering Department, Imperial College, London, England
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