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Bajaj S, Chhabra A, Taneja AK. 3D isotropic MRI of ankle: review of literature with comparison to 2D MRI. Skeletal Radiol 2024; 53:825-846. [PMID: 37978990 DOI: 10.1007/s00256-023-04513-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/01/2023] [Accepted: 11/06/2023] [Indexed: 11/19/2023]
Abstract
The ankle joint has complex anatomy with different tissue structures and is commonly involved in traumatic injuries. Magnetic resonance imaging (MRI) is the primary imaging modality used to assess the soft tissue structures around the ankle joint including the ligaments, tendons, and articular cartilage. Two-dimensional (2D) fast spin echo/turbo spin echo (FSE/TSE) sequences are routinely used for ankle joint imaging. While the 2D sequences provide a good signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) with high spatial resolution, there are some limitations to their use owing to the thick slices, interslice gaps leading to partial volume effects, limited fluid contrast, and the need to acquire separate images in different orthogonal planes. The 3D MR imaging can overcome these limitations and recent advances have led to technical improvements that enable its widespread clinical use in acceptable time periods. The volume imaging renders the advantage of reconstructing into thin continuous slices with isotropic voxels enabling multiplanar reconstructions that helps in visualizing complex anatomy of the structure of interest throughout their course with improved sharpness, definition of anatomic variants, and fluid conspicuity of lesions and injuries. Recent advances have also reduced the acquisition time of the 3D datasets making it more efficient than 2D sequences. This article reviews the recent technical developments in the domain 3D MRI, compares imaging with 3D versus 2D sequences, and demonstrates the use-case scenarios with interesting cases, and benefits of 3D MRI in evaluating various ankle joint components and their lesions.
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Affiliation(s)
- Suryansh Bajaj
- Department of Radiology, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Avneesh Chhabra
- Musculoskeletal Radiology Division, Department of Radiology, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390, USA
- Department of Orthopaedic Surgery, UT Southwestern Medical Center, Dallas, TX, USA
- Johns Hopkins University, Baltimore, MD, USA
- Walton Center of Neurosciences, Liverpool, UK
- University of Dallas, Richardson, TX, USA
| | - Atul Kumar Taneja
- Musculoskeletal Radiology Division, Department of Radiology, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390, USA.
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Fritz B, de Cesar Netto C, Fritz J. Multiaxial 3D MRI of the Ankle: Advanced High-Resolution Visualization of Ligaments, Tendons, and Articular Cartilage. Foot Ankle Clin 2023; 28:529-550. [PMID: 37536817 DOI: 10.1016/j.fcl.2023.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
MRI is a valuable tool for diagnosing a broad spectrum of acute and chronic ankle disorders, including ligament tears, tendinopathy, and osteochondral lesions. Traditional two-dimensional (2D) MRI provides a high image signal and contrast of anatomic structures for accurately characterizing articular cartilage, bone marrow, synovium, ligaments, tendons, and nerves. However, 2D MRI limitations are thick slices and fixed slice orientations. In clinical practice, 2D MRI is limited to 2 to 3 mm slice thickness, which can cause blurred contours of oblique structures due to volume averaging effects within the image slice. In addition, image plane orientations are fixated and cannot be changed after the scan, resulting in 2D MRI lacking multiplanar and multiaxial reformation abilities for individualized image plane orientations along oblique and curved anatomic structures, such as ankle ligaments and tendons. In contrast, three-dimensional (3D) MRI is a newer, clinically available MRI technique capable of acquiring high-resolution ankle MRI data sets with isotropic voxel size. The inherently high spatial resolution of 3D MRI permits up to five times thinner (0.5 mm) image slices. In addition, 3D MRI can be acquired image voxel with the same edge length in all three space dimensions (isotropism), permitting unrestricted multiplanar and multiaxial image reformation and postprocessing after the MRI scan. Clinical 3D MRI of the ankle with 0.5 to 0.7 mm isotropic voxel size resolves the smallest anatomic ankle structures and abnormalities of ligament and tendon fibers, osteochondral lesions, and nerves. After acquiring the images, operators can align image planes individually along any anatomic structure of interest, such as ligaments and tendons segments. In addition, curved multiplanar image reformations can unfold the entire course of multiaxially curved structures, such as perimalleolar tendons, into one image plane. We recommend adding 3D MRI pulse sequences to traditional 2D MRI protocols to visualize small and curved ankle structures to better advantage. This article provides an overview of the clinical application of 3D MRI of the ankle, compares diagnostic performances of 2D and 3D MRI for diagnosing ankle abnormalities, and illustrates clinical 3D ankle MRI applications.
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Affiliation(s)
- Benjamin Fritz
- Department of Radiology, Balgrist University Hospital, Forchstrasse 340, Zurich 8008, Switzerland; Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | - Cesar de Cesar Netto
- Department of Orthopaedics and Rehabilitation, University of Iowa, 200 Hawkins Drive, Iowa City, IA 52242, USA
| | - Jan Fritz
- Department of Radiology, Division of Musculoskeletal Radiology, NYU Grossman School of Medicine, 660 1st Avenue, New York, NY 10016, USA.
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Kudo S, Aoyagi T, Kobayashi T, Koshino Y, Edama M. Ultrasound Imaging of Subtalar Joint Instability for Chronic Ankle Instability. Healthcare (Basel) 2023; 11:2227. [PMID: 37570468 PMCID: PMC10418656 DOI: 10.3390/healthcare11152227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/03/2023] [Accepted: 08/04/2023] [Indexed: 08/13/2023] Open
Abstract
The purpose of this study was to develop the assessment of subtalar joint instability with chronic ankle instability (CAI) using ultrasonography. Forty-six patients with anterior talofibular ligament (ATFL) abnormalities and a history of ankle sprain were divided into CAI (21.2 ± 5.9 y/o, 7 males and 17 females) and asymptomatic groups (21.0 ± 7.4 y/o, 9 males and 12 females) on the basis of subjective ankle instability assessed using the CAIT and the Ankle Instability Instrument Tool (AIIT). Twenty-six age-matched feet participated in a control group (18.9 ± 7.0 y/o, 9 males and 17 females). Ultrasound measurements of the width of the posterior subtalar joint facet were obtained at rest and maximum ankle inversion (subtalar joint excursion; STJE). The differences in STJE among the three groups were assessed by one-way ANOVA. The relationship between STJE and subjective ankle instability was assessed using Spearman's correlation tests. The STJE value was significantly greater in the CAI group (2.3 ± 0.8 mm) than in the asymptomatic (1.0 ±0.4 mm) and control groups (0.8 ±0.2 mm) (p < 0.001, effect size: 0.64). STJE had significant negative correlations with CAIT (r = -0.71, p < 0.01), and significant positive correlations with AIIT (r = 0.74, p < 0.01). The cut-off value to distinguish between the CAI and asymptomatic groups was 1.7 mm using the ROC curve.
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Affiliation(s)
- Shintarou Kudo
- Department of Physical Therapy, Morinomiya University of Medical Sciences, Osaka 559-8611, Japan;
| | - Tsutomu Aoyagi
- Department of Physical Therapy, Morinomiya University of Medical Sciences, Osaka 559-8611, Japan;
- Department of the Rehabilitation, Oyamadai Orthopedics Clinic Tokyo Arthroscopy Center, Tokyo 158-0082, Japan
| | - Takumi Kobayashi
- Department of Rehabilitation, Hokkaido Chitose College of Rehabilitation, Chitose 066-0055, Japan;
| | - Yuta Koshino
- Faculty of Health Sciences, Hokkaido University, Sapporo 060-0812, Japan;
| | - Mutsuaki Edama
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata 950-3102, Japan;
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Bell KL, King BW, Sangeorzan BJ. Acute and Chronic Subtalar Joint Instability: Does It Really Exist? Foot Ankle Clin 2023; 28:427-444. [PMID: 37137632 DOI: 10.1016/j.fcl.2022.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Acute and chronic subtalar instability and commonly coexistent with other hindfoot pathology but can be difficult to diagnose. A high degree of clinical suspicion is required as most imaging modalities and clinical maneuvers are poor at detecting isolated subtalar instability. The initial treatment is similar to ankle instability, and a wide variety of operative interventions have been presented in the literature for persistent instability. Outcomes are variable and limited.
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Affiliation(s)
- Kerri Lynne Bell
- Orthopaedic Surgery, Henry Ford Health, 2799 West Grand Boulevard K12, Detroit, MI 48202, USA
| | - Brandon William King
- Orthopaedic Surgery, Henry Ford Health, 2799 West Grand Boulevard K12, Detroit, MI 48202, USA.
| | - Bruce J Sangeorzan
- Orthopaedic Surgery, Harborview Medical Center, University of Washington, Seattle, WA 98104, USA
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Tan CY, Thevendran G. Subtalar instability. J Orthop Surg (Hong Kong) 2023; 31:10225536231182350. [PMID: 37449802 DOI: 10.1177/10225536231182350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/18/2023] Open
Abstract
Subtalar instability is a confusing yet important condition in patients with lateral ankle instability. The author will explore subtalar kinematics, and how they are closely related to the joint stability of the subtalar joint, both with respect to its intrinsic ligaments and its extrinsic ligaments. As subtalar instability is difficult to diagnose, this article will provide readers with a better understanding of its clinical presentation. Discussions will also include useful radiographic modalities and the most recent evidence regarding their accuracy. The last section discusses surgical options and what the readers need to know in order to make a decision.
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Hegazy MA, Khairy HM, Hegazy AA, Sebaei MAEF, Sadek SI. Talus bone: normal anatomy, anatomical variations and clinical correlations. Anat Sci Int 2023:10.1007/s12565-023-00712-y. [PMID: 37017903 DOI: 10.1007/s12565-023-00712-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 02/28/2023] [Indexed: 04/06/2023]
Abstract
Talus is a pivotal bone that assists in easy and correct locomotion and transfers body weight from the shin to the foot. Despite its small size, it is implicated in many clinical disorders. Familiarity with the anatomy of the talus and its anatomical variations is essential for the diagnosis of any disorder related to these variations. Furthermore, orthopedic surgeons must be fully aware by this anatomy during podiatry procedures. In this review, we attempt to present its anatomy in a simple, updated and comprehensive manner. We have also added the anatomical variations and some clinical points relevant to the unique and complex anatomy of talus. The talus has no muscle attachment. However, it does have many ligaments attached to it and others around it to keep it in place. Moreover, the bone plays a pig role in movements due to its involvement in many joints. Most of its surface is covered with articular cartilage. Therefore, its blood supply is relatively poor. This puts the talus at greater risk for poor healing as well as more complications in the event of injury than any other bone. We hope this review will make it easier for clinicians to pursue and understand the updated essential knowledge of one of the most complex bone anatomies that they need in their clinical practice.
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Affiliation(s)
| | - Hossam Mohammed Khairy
- Orthopedic Surgery Department, Faculty of Medicine, Zagazig University, Zagazig City, 44519, Egypt
| | - Abdelmonem Awad Hegazy
- Basic Medical Science Department, Faculty of Dentistry, Zarqa University, Zarqa City, 13110, Jordan.
- Human Anatomy and Embryology Department, Faculty of Medicine, Zagazig University, Zagazig City, 44519, Egypt.
| | | | - Sami Ibrahim Sadek
- Orthopedic Surgery Department, Faculty of Medicine, Zagazig University, Zagazig City, 44519, Egypt
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Khan I, Peters J, Welck M, Saifuddin A. Sinus tarsi and sinus tarsi syndrome: An imaging review. Eur J Radiol 2023; 161:110725. [PMID: 36773427 DOI: 10.1016/j.ejrad.2023.110725] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 12/14/2022] [Accepted: 01/31/2023] [Indexed: 02/05/2023]
Abstract
The sinus tarsi is a funnel-shaped region at the junction of mid-foot and hind-foot which contains fat, vessels, nerves and ligaments. The ligaments help stabilise the subtalar joint and maintain the longitudinal arch of the foot. The nerve endings contain proprioceptive fibres indicating a role for the sinus tarsi in movement of the foot. Sinus tarsi syndrome is a clinical entity characterised by lateral hind-foot pain with worsening on palpation and weight-bearing, and perceived instability. It is associated with both traumatic and non-traumatic causes. Magnetic resonance imaging is the imaging modality of choice for assessment of the sinus tarsi and sinus tarsi syndrome. In this review article, we review the anatomy and various aetiologies of sinus tarsi syndrome, along with the imaging appearances.
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Affiliation(s)
- Imran Khan
- Department of Radiology, University Hospitals of Leicester NHS Trust, Leicester General Hospital, Leicester LE5 4PW, United Kingdom.
| | - Jonathan Peters
- Royal National Orthopaedic Hospital NHS Trust, Brockley Hill, Stanmore HA7 4LP, United Kingdom
| | - Matt Welck
- Foot and Ankle Reconstruction Unit, Royal National Orthopaedic Hopsital NHS Trust, Brockley Hill, Stanmore HA7 4LP, United Kingdom
| | - Asif Saifuddin
- Department of Radiology, Royal National Orthopaedic Hospital NHS Trust, Brockley Hill, Stanmore HA7 4LP, United Kingdom
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Michels F, Vereecke E, Matricali G. Role of the intrinsic subtalar ligaments in subtalar instability and consequences for clinical practice. Front Bioeng Biotechnol 2023; 11:1047134. [PMID: 36970618 PMCID: PMC10036586 DOI: 10.3389/fbioe.2023.1047134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Accepted: 02/28/2023] [Indexed: 03/12/2023] Open
Abstract
Subtalar instability (STI) is a disabling complication after an acute lateral ankle sprain and remains a challenging problem. The pathophysiology is difficult to understand. Especially the relative contribution of the intrinsic subtalar ligaments in the stability of the subtalar joint is still controversial. Diagnosis is difficult because of the overlapping clinical signs with talocrural instability and the absence of a reliable diagnostic reference test. This often results in misdiagnosis and inappropriate treatment. Recent research offers new insights in the pathophysiology of subtalar instability and the importance of the intrinsic subtalar ligaments. Recent publications clarify the local anatomical and biomechanical characteristics of the subtalar ligaments. The cervical ligament and interosseous talocalcaneal ligament seem to play an important function in the normal kinematics and stability of the subtalar joint. In addition to the calcaneofibular ligament (CFL), these ligaments seem to have an important role in the pathomechanics of subtalar instability (STI). These new insights have an impact on the approach to STI in clinical practice. Diagnosis of STI can be performed be performed by a step-by-step approach to raise the suspicion to STI. This approach consists of clinical signs, abnormalities of the subtalar ligaments on MRI and intraoperative evaluation. Surgical treatment should address all the aspects of the instability and focus on a restoration of the normal anatomical and biomechanical properties. Besides a low threshold to reconstruct the CFL, a reconstruction of the subtalar ligaments should be considered in complex cases of instability. The purpose of this review is to provide a comprehensive update of the current literature focused on the contribution of the different ligaments in the stability of the subtalar joint. This review aims to introduce the more recent findings in the earlier hypotheses on normal kinesiology, pathophysiology and relation with talocrural instability. The consequences of this improved understanding of pathophysiology on patient identification, treatment and future research are described.
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Affiliation(s)
- Frederick Michels
- Orthopaedic Department AZ Groeninge, Kortrijk, Belgium
- MIFAS by GRECMIP (Minimally Invasive Foot and Ankle Society), Merignac, France
- ESSKA-AFAS Ankle Instability Group, Kortrijk, Belgium
- Institute for Orthopaedic Research and Training (IORT), Department of Development and Regeneration, Faculty of Medicine, KU Leuven, Leuven, Belgium
- EFAS European Foot and Ankle Society, Brussels, Belgium
- *Correspondence: Frederick Michels,
| | - Evie Vereecke
- Department Development and Regeneration, Faculty of Medicine, University of Leuven Campus Kortrijk, Kortrijk, Belgium
| | - Giovanni Matricali
- Institute for Orthopaedic Research and Training (IORT), Department of Development and Regeneration, Faculty of Medicine, KU Leuven, Leuven, Belgium
- Department of Orthopaedics, Foot and Ankle Unit, University Hospitals Leuven, KU Leuven, Leuven, Belgium
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Michels F, Stockmans F, Pottel H, Matricali G. Reconstruction of the cervical ligament in patients with chronic subtalar instability. Foot Ankle Surg 2022; 28:1286-1292. [PMID: 35752537 DOI: 10.1016/j.fas.2022.06.006] [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: 02/23/2022] [Revised: 05/24/2022] [Accepted: 06/12/2022] [Indexed: 02/04/2023]
Abstract
PURPOSE Diagnosis and treatment of subtalar instability (STI) remains complicated and challenging. The purpose of this study was to investigate the outcome of an anatomical reconstruction of the cervical ligament in patients with suspected chronic STI. METHODS This prospective study assessed the results of a surgical reconstruction of the cervical ligament using a gracilis tendon graft in a group of 14 patients (16 feet). Diagnosis of STI was performed using a predefined algorithm including clinical signs, MRI and peroperative evaluation. All patients had symptoms of chronic hindfoot instability despite prolonged non-surgical treatment. At final follow-up the outcome was assessed using the Karlsson score, the Foot and Ankle Outcome Score and the American Orthopaedic Foot and Ankle Society score. RESULTS After an average follow up of 22.6 months (range, 15-36), all patients reported significant improvement compared to their preoperative symptoms. The mean preoperative Karlsson score improved from 36.4 ± 13.5 (median 37, range 10-55) to a mean postoperative Karlsson score was 89.6 ± 8.5 (median 90, range 72-100) (P < 0.0001). The cervical ligament reconstruction was combined with other procedures in 13 cases: calcaneofibular ligament (CFL) reconstruction (3), CFL and anterior talofibular ligament reconstruction (7), bifurcate ligament reconstruction (3). CONCLUSION Anatomical reconstruction of the cervical ligament is a valid technique to treat patients with STI. It is a safe procedure and produces good clinical results with minimal complications. This technique can be considered in more complex cases and can be combined with other procedures according to the specific location of the instability. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Frederick Michels
- Orthopaedic Department, AZ Groeninge, President Kennedylaan 4, 8500 Kortrijk, Belgium; MIFAS by GRECMIP (Minimally Invasive Foot and Ankle Society), Merignac, France; EFAS (European Foot and Ankle Society); ESSKA-AFAS Ankle Instability Group, Belgium; Institute for Orthopaedic Research and Training (IORT), Department of Development and Regeneration, Faculty of Medicine, KU Leuven, Leuven, Belgium; Dept. Development and Regeneration, Faculty of Medicine, University of Leuven campus Kortrijk, Etienne Sabbelaan 53, 8500 Kortrijk, Belgium.
| | - Filip Stockmans
- Orthopaedic Department, AZ Groeninge, President Kennedylaan 4, 8500 Kortrijk, Belgium; Dept. Development and Regeneration, Faculty of Medicine, University of Leuven campus Kortrijk, Etienne Sabbelaan 53, 8500 Kortrijk, Belgium.
| | - Hans Pottel
- Department of Public Health and Primary Care, Catholic University Leuven, Kortrijk, Belgium.
| | - Giovanni Matricali
- Institute for Orthopaedic Research and Training (IORT), Department of Development and Regeneration, Faculty of Medicine, KU Leuven, Leuven, Belgium; Department of Orthopaedics, Foot and Ankle Unit, University Hospitals Leuven, KU Leuven, Leuven, Belgium.
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Michels F, Taylan O, Stockmans F, Vereecke E, Scheys L, Matricali G. The different subtalar ligaments show significant differences in their mechanical properties. Foot Ankle Surg 2022; 28:1014-1020. [PMID: 35190275 DOI: 10.1016/j.fas.2022.02.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 02/01/2022] [Accepted: 02/14/2022] [Indexed: 02/04/2023]
Abstract
BACKGROUND Today, the relative contribution of each ligamentous structure in the stability of the subtalar joint is still unclear. The purpose of this study is to assess the material properties of the different ligamentous structures of the subtalar joint. METHODS Eighteen paired fresh-frozen cadaveric feet were used to obtain bone-ligament-bone complexes of the calcaneofibular ligament (CFL), the cervical ligament (CL) and the anterior capsular ligament-interosseous talocalcaneal ligament complex (ACaL-ITCL). The samples were subjected to uniaxial testing to calculate their respective stiffness and failure load. RESULTS The stiffness of ACaL-ITCL complex (mean: 150 ± 51 N/mm, 95% confidence interval (CI): 125.0-176.6 N/mm) was significantly higher than both CFL (mean: 55.8 ± 23.0 N/mm, CI: 43.8-67.7 N/mm) and CL (mean: 63.9 ± 38.0 N/mm, CI: 44.4-83.3 N/mm). The failure load of both the ACaL-ITCL complex (mean:382.5 ± 158 N, CI: 304.1-460.8 N) and the CFL (mean:320.4 ± 122.0 N, CI: 257.5-383.2 N) were significantly higher than that of the CL (mean:163.5 ± 58.0 N, CI: 131.3-195.7 N). The injury pattern demonstrated a partial rupture in all CFL and ACaL-ITCL specimens and in 60% of the CL specimens. CONCLUSION The CFL, CL and ACaL-ITCL show significant differences in their intrinsic mechanical properties. Both the CFL and CL are more compliant ligaments and seem to be involved in the development of subtalar instability. Based on the material properties, a gracilis tendon graft seems more appropriate than a synthetic ligament to reconstruct a CL or CFL. A partial rupture was the most commonly seen injury pattern in all ligaments. A fibular avulsion of the CFL was only rarely seen. The injury patterns need further investigation as they are important to optimize diagnosis and treatment.
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Affiliation(s)
- Frederick Michels
- Orthopaedic Department, AZ Groeninge, President Kennedylaan 4, 8500 Kortrijk, Belgium; MIFAS by GRECMIP (Minimally Invasive Foot and Ankle Society), Merignac, France; ESSKA-AFAS Ankle Instability Group; Institute for Orthopaedic Research and Training (IORT), Department of Development and Regeneration, Faculty of Medicine, KU Leuven, Leuven, Belgium.
| | - Orçun Taylan
- Institute for Orthopaedic Research and Training (IORT), Department of Development and Regeneration, Faculty of Medicine, KU Leuven, Leuven, Belgium.
| | - Filip Stockmans
- Orthopaedic Department, AZ Groeninge, President Kennedylaan 4, 8500 Kortrijk, Belgium; Dept. Development and Regeneration, Faculty of Medicine, University of Leuven campus Kortrijk, Etienne Sabbelaan 53, 8500 Kortrijk, Belgium.
| | - Evie Vereecke
- Dept. Development and Regeneration, Faculty of Medicine, University of Leuven campus Kortrijk, Etienne Sabbelaan 53, 8500 Kortrijk, Belgium.
| | - Lennart Scheys
- Institute for Orthopaedic Research and Training (IORT), Department of Development and Regeneration, Faculty of Medicine, KU Leuven, Leuven, Belgium.
| | - Giovanni Matricali
- Institute for Orthopaedic Research and Training (IORT), Department of Development and Regeneration, Faculty of Medicine, KU Leuven, Leuven, Belgium; Department of Orthopaedics, Foot and Ankle Unit, University Hospitals Leuven, KU Leuven, Leuven, Belgium.
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Effect of Ligament Mapping from Different Magnetic Resonance Image Quality on Joint Stability in a Personalized Dynamic Model of the Human Ankle Complex. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12105087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Background. Mechanical models of the human ankle complex are used to study the stabilizing role of ligaments. Identification of ligament function may be improved via image-based personalized approach. The aim of this study is to compare the effect of the ligament origin and insertion site definitions obtained with different magnetic resonance imaging (MRI) modalities on the mechanical behaviour of a dynamic model of the ankle complex. Methods. MRI scans, both via 1.5 T and 3.0 T, were performed on a lower-limb specimen, free from anatomical defects, to obtain morphological information on ligament-to-bone attachment sites. This specimen was used previously to develop the dynamic model. A third ligament attachment site mapping scheme was based on anatomical dissection of the scanned specimen. Following morphological comparison of the ligament attachment sites, their effect on the mechanical behaviour of the ankle complex, expressed by three-dimensional load–displacement properties, was assessed through the model. Results. Large differences were observed in the subtalar ligament attachment sites between those obtained through the two MRI scanning modalities. The 3.0 T MRI mapping was more consistent with dissection than the 1.5 T MRI. Load–displacement curves showed similar mechanical behaviours between the three mappings in the frontal plane, but those obtained from the 3.0 T MRI mapping were closer to those obtained from dissection. Conclusions. The state-of-the-art 3.0 T MRI image analysis resulted in more realistic mapping of ligament fibre origin and insertion site definitions; corresponding load–displacement predictions from a subject-specific model of the ankle complex showed a mechanical behaviour more similar to that using direct ligament attachment observations.
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Comparative Analysis of Subtalar Ligaments Between Patients With Talocalcaneal Coalition and Control Subjects Using 3-Dimensional Magnetic Resonance Imaging. J Comput Assist Tomogr 2022; 46:440-446. [DOI: 10.1097/rct.0000000000001290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Fenech M, Wylie B. Sonographic anatomy and imaging of the dorsal supportive ligaments of the Chopart joint complex. SONOGRAPHY 2022. [DOI: 10.1002/sono.12300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Michelle Fenech
- College of Clinical Sciences, School of Health, Medical and Applied Sciences CQUniversity Rockhampton Queensland Australia
| | - Bridie Wylie
- Qscan Radiology Clinics Brisbane Queensland Australia
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A high rate of talocalcaneal interosseous ligament tears was found in chronic lateral ankle instability with sinus tarsi pain. Knee Surg Sports Traumatol Arthrosc 2021; 29:3543-3550. [PMID: 34590165 DOI: 10.1007/s00167-021-06651-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 07/01/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE To evaluate the arthroscopic findings of subtalar joints, including interosseous talocalcaneal ligament (ITCL) tear, in patients with chronic lateral ankle instability (CLAI) and sinus tarsi pain. METHODS A total of 118 ankles (109 patients) having CLAI with sinus tarsi pain who had undergone subtalar arthroscopy and lateral ankle ligament surgery were evaluated. The medical records, radiologic images, and the arthroscopic images and videos were reviewed. ITCL tears were classified into 4 grades: grade 0 (no tear), grade 1 (mild), grade 2 (moderate), and grade 3 (severe). The efficacy of magnetic resonance imaging (MRI) in diagnosing ITCL tears was also evaluated by comparing preoperative official readings of MRI to arthroscopic findings. The pre- and postoperative functional scores were also assessed. RESULTS The overall tear rate of ITCL was 107/118 (90.7%). There were 29 ankles (23.6%) with grade 1, 42 ankles (35.6%) with grade 2, and 36 ankles (30.5%) with grade 3 tears. Isolated lateral ankle instability (LAI) was diagnosed in 43 ankles (36.4%), subtalar instability (STI) in 30 ankles (25.4%), and LAI with STI in 45 ankles (38.1%). There was a statistically significant relationship between the ITCL tear grade and the final diagnosis. ITCL tear was confirmed or suspected in 81 ankles (68.6%) on preoperative MRI. Pain Visual Analog Score and functional outcome scores including the American Orthopaedic Foot & Ankle Society and Karlsson-Peterson scores showed significant improvement after the surgery. CONCLUSION A high rate (90.7%) of ITCL tears was noted in CLAI patients with sinus tarsi pain. ITCL damage may play an important role in subtalar instability in patients with CLAI and sinus tarsi pain. Subtalar arthroscopic evaluation for ITCL tear is important for correct diagnosis for CLAI with sinus tarsi pain. LEVEL OF EVIDENCE IV.
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15
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Jung HG, Moon SG, Yoon DY, Jang H, Kang JH. Feasibility of MRI for the evaluation of interosseous ligament vertical segment via subtalar arthroscopy correlation: comparison of 2D and 3D MR images. BMC Musculoskelet Disord 2021; 22:869. [PMID: 34641837 PMCID: PMC8513297 DOI: 10.1186/s12891-021-04759-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 10/05/2021] [Indexed: 11/28/2022] Open
Abstract
Background Interosseous ligament vertical segment (IOLV) and calcaneofibular ligament (CFL) have been reported to be important in stabilizing the subtalar joint. Unlike CFL, there is not much information regarding the comparison of MRI results with surgical evaluation of IOLV and the comparison between 2D and 3D MRI on IOLV evaluation. The feasibility of MRI in IOLV evaluation has yet to be reported. The purpose of this study was to evaluate the validity and reliability of MRI in IOLV tear detection via correlation with arthroscopic results. We also compared the diagnostic performance of 2D and 3D MR images. Methods In this retrospective study, 52 patients who underwent subtalar arthroscopy after ankle MRI were enrolled. Arthroscopic results confirmed IOLV tear in 25 cases and intact IOLV in 27 cases. Two radiologists independently evaluated the IOLV tears using only conventional 2D images, followed by isotropic 3D images, and comparison with arthroscopic results. Results Only the 2D sequences interpreted by two readers showed a sensitivity of 64.0–96.0%, a specificity of 29.6–44.4%, a positive predictive value of 51.6–56.4%, and a negative predictive value of 57.1–88.9%. Addition of isotropic 3D sequences changed the sensitivity to 60.0–80.0%, specificity to 63.0–77.8%, positive predictive value to 64.3–76.9%, and negative predictive value to 66.7–80.8%. The overall diagnostic performance of isotropic 3D sequences (AUC values: 0.679–0.816) was higher than that of 2D sequences (AUC values: 0.568–0.647). Inter-observer and intra-observer agreement between the two readers was moderate-to-good for both 2D and 3D sequences. The diagnostic accuracy in 19 patients with tarsal sinus fat obliteration tended to increase from 26.3–42.1% to 57.9–73.7% with isotropic 3D sequences compared with 2D sequences. Conclusions Isotropic 3D MRI was feasible for the assessment of IOLV tear prior to subtalar arthroscopy. Additional 3D sequences showed higher diagnostic accuracy compared with conventional 2D sequences in IOLV evaluation. Isotropic 3D sequences may be more valuable in detecting IOLV tear in case of tarsal sinus fat obliteration.
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Affiliation(s)
- Hong-Geun Jung
- Department of Orthopedic Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, Gwangjin-gu, Seoul, South Korea
| | - Sung Gyu Moon
- Department of Radiology, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul, 05030, South Korea.
| | - Deuk Young Yoon
- Department of Radiology, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul, 05030, South Korea
| | - Hyemin Jang
- Department of Radiology, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul, 05030, South Korea
| | - Ji Hee Kang
- Department of Radiology, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul, 05030, South Korea
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16
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Fritz B, Fritz J, Sutter R. 3D MRI of the Ankle: A Concise State-of-the-Art Review. Semin Musculoskelet Radiol 2021; 25:514-526. [PMID: 34547816 DOI: 10.1055/s-0041-1731332] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Magnetic resonance imaging (MRI) is a powerful imaging modality for visualizing a wide range of ankle disorders that affect ligaments, tendons, and articular cartilage. Standard two-dimensional (2D) fast spin-echo (FSE) and turbo spin-echo (TSE) pulse sequences offer high signal-to-noise and contrast-to-noise ratios, but slice thickness limitations create partial volume effects. Modern three-dimensional (3D) FSE/TSE pulse sequences with isotropic voxel dimensions can achieve higher spatial resolution and similar contrast resolutions in ≤ 5 minutes of acquisition time. Advanced acceleration schemes have reduced the blurring effects of 3D FSE/TSE pulse sequences by affording shorter echo train lengths. The ability for thin-slice partitions and multiplanar reformation capabilities eliminate relevant partial volume effects and render modern 3D FSE/TSE pulse sequences excellently suited for MRI visualization of several oblique and curved structures around the ankle. Clinical efficiency gains can be achieved by replacing two or three 2D FSE/TSE sequences within an ankle protocol with a single isotropic 3D FSE/TSE pulse sequence. In this article, we review technical pulse sequence properties for 3D MRI of the ankle, discuss practical considerations for clinical implementation and achieving the highest image quality, compare diagnostic performance metrics of 2D and 3D MRI for major ankle structures, and illustrate a broad spectrum of ankle abnormalities.
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Affiliation(s)
- Benjamin Fritz
- Department of Radiology, University Hospital Balgrist, Zurich, Switzerland.,Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | - Jan Fritz
- New York University Grossman School of Medicine, New York University, New York, New York
| | - Reto Sutter
- Department of Radiology, University Hospital Balgrist, Zurich, Switzerland.,Faculty of Medicine, University of Zurich, Zurich, Switzerland
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Abstract
Advanced imaging modalities have, in very recent years, enabled a considerable leap in understanding progressive collapsing foot deformity, evolving from a simple confirmation of clinical diagnostic using basic measurements to minute understanding of soft tissue and bone involvements. MRI and weight-bearing cone-beam computed tomography are enabling the development of new 3-dimensional measurement modalities. The identification of key articular and joint markers of advanced collapse will allow surgeons to better indicate treatments and assess chances of success with conservative therapies and less invasive surgical procedures, with the hope of improving patient outcomes.
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18
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Pereira BS, Andrade R, Espregueira-Mendes J, Marano RPC, Oliva XM, Karlsson J. Current Concepts on Subtalar Instability. Orthop J Sports Med 2021; 9:23259671211021352. [PMID: 34435065 PMCID: PMC8381447 DOI: 10.1177/23259671211021352] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 02/23/2021] [Indexed: 12/19/2022] Open
Abstract
Subtalar instability remains a topic of debate, and its precise cause is still unknown. The mechanism of injury and clinical symptoms of ankle and subtalar instabilities largely overlap, resulting in many cases of isolated or combined subtalar instability that are often misdiagnosed. Neglecting the subtalar instability may lead to failure of conservative or surgical treatment and result in chronic ankle instability. Understanding the accurate anatomy and biomechanics of the subtalar joint, their interplay, and the contributions of the different subtalar soft tissue structures is fundamental to correctly diagnose and manage subtalar instability. An accurate diagnosis is crucial to correctly identify those patients with instability who may require conservative or surgical treatment. Many different nonsurgical and surgical approaches have been proposed to manage combined or isolated subtalar instability, and the clinician should be aware of available treatment options to make an informed decision. In this current concepts narrative review, we provide a comprehensive overview of the current knowledge on the anatomy, biomechanics, clinical and imaging diagnosis, nonsurgical and surgical treatment options, and outcomes after subtalar instability treatment.
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Affiliation(s)
- Bruno S. Pereira
- Facultad de Medicina, University of Barcelona, Casanova, 143, 08036
Barcelona, Spain
- Clínica Espregueira - FIFA Medical Centre of Excellence, Porto,
Portugal
- Dom Henrique Research Centre, Porto, Portugal
- Hospital Privado de Braga, Lugar da Igreja Nogueira, Braga,
Portugal
| | - Renato Andrade
- Clínica Espregueira - FIFA Medical Centre of Excellence, Porto,
Portugal
- Dom Henrique Research Centre, Porto, Portugal
- Porto Biomechanics Laboratory (LABIOMEP), Faculty of Sports,
University of Porto, Porto, Portugal
- Porto Biomechanics Laboratory (LABIOMEP), University of Porto,
Porto, Portugal
| | - João Espregueira-Mendes
- Clínica Espregueira - FIFA Medical Centre of Excellence, Porto,
Portugal
- Dom Henrique Research Centre, Porto, Portugal
- School of Medicine, Minho University, Braga, Portugal
- 3B’s–PT Government Associate Laboratory, Braga/Guimarães,
Portugal
- 3B’s Research Group– Biomaterials, Biodegradables and Biomimetics,
University of Minho, Headquarters of the European Institute of Excellence on Tissue
Engineering and Regenerative Medicine, Barco, Guimarães, Portugal
| | | | - Xavier Martin Oliva
- Facultad de Medicina, University of Barcelona, Casanova, 143, 08036
Barcelona, Spain
- Orthopedic Surgery Department, Clínica Ntra. Sra. Del Remei,
Barcelona, Spain
| | - Jón Karlsson
- Department of Orthopaedics, Sahlgrenska Academy, Sahlgrenska
University Hospital, Gothenburg University, Gothenburg, Sweden
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19
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Kim BH, Lee SY. Validity and Reliability of a Novel Instrument for the Measurement of Subtalar Joint Axis of Rotation. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18105494. [PMID: 34065532 PMCID: PMC8160632 DOI: 10.3390/ijerph18105494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 05/16/2021] [Accepted: 05/17/2021] [Indexed: 11/25/2022]
Abstract
Inclination of the subtalar joint (STJ) in the sagittal and transverse planes may be highly associated with ankle pathology. However, the validity and reliability of measuring the inclination of the STJ axis of rotation (AoR) is not well established. This study aimed to develop a custom-made STJ locator (STJL) and evaluate its reliability and validity. To establish the reliability and validity of the measurement device for STJ AoR, 38 healthy male participants were recruited. For the reliability analysis, test–retest was used, and for validity analysis, Pearson’s correlation and Bland–Altman plot analyses were performed. In the reliability analysis of the STJL, a higher correlation was observed with the sagittal plane (0.930) and transverse plane (0.748) (standard error of measurement: 0.56–0.78; minimal detectable difference: 1.57–2.16). In the validity analysis between radiography and STJL, a significantly higher value of 0.798 was obtained with radiography (42.5) and STJL (43.5) with the sagittal plane. The custom-made STJL may be used in the clinical setting as its validity and intraclass correlation coefficient were high, indicating consistent measurements. Further studies including motion analysis are necessary to provide more information regarding the relationship between STJ AoR inclinations and STJ movements.
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Affiliation(s)
- Byong Hun Kim
- Department of Physical Education, Yonsei University, Seoul 03722, Korea;
- International Olympic Committee Research Centre Korea, Yonsei University, Seoul 03722, Korea
| | - Sae Yong Lee
- Department of Physical Education, Yonsei University, Seoul 03722, Korea;
- International Olympic Committee Research Centre Korea, Yonsei University, Seoul 03722, Korea
- Institute of Convergence Science, Yonsei University, Seoul 03722, Korea
- Correspondence: ; Tel.: +82-2-2123-6189; Fax: +82-2-2123-8375
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20
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Huflage H, Luetkens KS, Kunz AS, Conrads N, Jakubietz RG, Jakubietz MG, Pennig L, Goertz L, Bley TA, Schmitt R, Grunz JP. Improved diagnostic accuracy for ulnar-sided TFCC lesions with radial reformation of 3D sequences in wrist MR arthrography. Eur Radiol 2021; 31:9399-9407. [PMID: 34003353 PMCID: PMC8589820 DOI: 10.1007/s00330-021-08024-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 03/30/2021] [Accepted: 04/27/2021] [Indexed: 01/06/2023]
Abstract
Objectives Triangular fibrocartilage complex (TFCC) injuries frequently cause ulnar-sided wrist pain and can induce distal radioulnar joint instability. With its complex three-dimensional structure, diagnosis of TFCC lesions remains a challenging task even in MR arthrograms. The aim of this study was to assess the added diagnostic value of radial reformatting of isotropic 3D MRI datasets compared to standard planes after direct arthrography of the wrist. Methods Ninety-three patients underwent wrist MRI after fluoroscopy-guided multi-compartment arthrography. Two radiologists collectively analyzed two datasets of each MR arthrogram for TFCC injuries, with one set containing standard reconstructions of a 3D thin-slice sequence in axial, coronal and sagittal orientation, while the other set comprised an additional radial plane view with the rotating center positioned at the ulnar styloid. Surgical reports (whenever available) or radiological reports combined with clinical follow-up served as a standard of reference. In addition, diagnostic confidence and assessability of the central disc and ulnar-sided insertions were subjectively evaluated. Results Injuries of the articular disc, styloid and foveal ulnar attachment were present in 20 (23.7%), 10 (10.8%) and 9 (9.7%) patients. Additional radial planes increased diagnostic accuracy for lesions of the styloid (0.83 vs. 0.90; p = 0.016) and foveal (0.86 vs. 0.94; p = 0.039) insertion, whereas no improvement was identified for alterations of the central cartilage disc. Readers’ confidence (p < 0.001) and assessability of the ulnar-sided insertions (p < 0.001) were superior with ancillary radial reformatting. Conclusions Access to the radial plane view of isotropic 3D sequences in MR arthrography improves diagnostic accuracy and confidence for ulnar-sided TFCC lesions. Key Points • In multi-compartment arthrography of the wrist, ancillary radial plane view aids assessability of the foveal and styloid ulnar-sided insertions of the triangular fibrocartilage complex. • Assessment of peripheral TFCC injuries is more accurate with access to radial multiplanar reconstructions. • Additional radial planes provide greater diagnostic confidence.
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Affiliation(s)
- Henner Huflage
- Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Oberdürrbacher Straße 6, 97080, Würzburg, Germany.
| | - Karsten Sebastian Luetkens
- Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Oberdürrbacher Straße 6, 97080, Würzburg, Germany
| | - Andreas Steven Kunz
- Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Oberdürrbacher Straße 6, 97080, Würzburg, Germany
| | - Nora Conrads
- Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Oberdürrbacher Straße 6, 97080, Würzburg, Germany
| | - Rafael Gregor Jakubietz
- Department of Trauma-, Hand-, Plastic- and Reconstructive Surgery, University Hospital Würzburg, Oberdürrbacher Straße 6, 97080, Würzburg, Germany
| | - Michael Georg Jakubietz
- Department of Trauma-, Hand-, Plastic- and Reconstructive Surgery, University Hospital Würzburg, Oberdürrbacher Straße 6, 97080, Würzburg, Germany
| | - Lenhard Pennig
- Institute for Diagnostic and Interventional Radiology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Straße 62, 50937, Cologne, Germany
| | - Lukas Goertz
- Institute for Diagnostic and Interventional Radiology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Straße 62, 50937, Cologne, Germany
| | - Thorsten Alexander Bley
- Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Oberdürrbacher Straße 6, 97080, Würzburg, Germany
| | - Rainer Schmitt
- Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Oberdürrbacher Straße 6, 97080, Würzburg, Germany.,Department of Radiology, University Hospital LMU Munich, Marchioninistrasse 15, 81377, Munich, Germany
| | - Jan-Peter Grunz
- Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Oberdürrbacher Straße 6, 97080, Würzburg, Germany
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21
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Xu Y, He L, Han Y, Duan D, Ouyang L. Evaluation of 3-Dimensional Magnetic Resonance Imaging (3D MRI) in Diagnosing Anterior Talofibular Ligament Injury. Med Sci Monit 2021; 27:e927920. [PMID: 33453097 PMCID: PMC7816539 DOI: 10.12659/msm.927920] [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] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND It is challenging to entirely show the anterior talofibular ligament (ATFL) and accurately diagnose ATFL injury with traditional 2-dimensional (2D) magnetic resonance imaging (MRI). With the introduction of 3.0T MRI, a 3-dimensional (3D) MRI sequence can achieve images with high spatial resolution. This study aimed to evaluate the accuracy of 3D MRI and compare it with 2D MRI in diagnosing ATFL injury. MATERIAL AND METHODS This was a prospective study in which 45 patients with clinically suspected ATFL injury underwent 2D MRI, 3D MRI, and 3D model reconstruction followed by arthroscopic surgery between February 2018 and April 2019. Two radiologists who had over 11 and 13 years of musculoskeletal experience assessed the injury of ATFL in consensus without any clinical clues. Arthroscopic surgery results were the standard reference of MRI accuracy. RESULTS The 3D MRI results of ATFL injury showed the sensitivity of diagnosis of complete tears of 83% and specificity of 82%. The partial tears diagnosis sensitivity was 78%, and specificity was 100%. The sensitivity of diagnosis of sprains was 100%, and the specificity was 97%. The 3D MRI accuracy of diagnosis was 98% for no injury, 98% for sprain, 91% for partial tear, and 82% for complete tear. The difference in the diagnosis of sprain and partial tears by 3D MRI and 2D MRI was statistically significant (P<0.05). A 3D reconstruction model was successfully created for all patients. CONCLUSIONS 3D MRI may be a reliable and accurate method to detect ATFL injury. The 3D reconstruction model using 3D MRI sequences has excellent prospects in application.
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Affiliation(s)
- Yan Xu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Lei He
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Yu Han
- Department of Orthopedic Surgery, Shanghai Key Laboratory of Orthopedic Implants, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China (mainland)
| | - Deyu Duan
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Liu Ouyang
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
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22
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Liu C, Zhu JX, Hu YL, Jiao C, Guo QW, Ao YF. Secondary Effects of the Rupture and Reconstruction of the Interosseous Talocalcaneal Ligament on the Peritalar Joints. Med Sci Monit 2021; 27:e925292. [PMID: 33402662 PMCID: PMC7798367 DOI: 10.12659/msm.925292] [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] [Indexed: 11/29/2022] Open
Abstract
Background The interosseous talocalcaneal ligament (ITCL) is the main soft-tissue contributor to subtalar joint stability. The role of ITCL reconstruction in retaining this stability is minimally reported. Therefore, we conducted this study to investigate the effects of rupture and reconstruction of the ITCL on the subtalar and peritalar joints. Material/Methods This experimental study randomly divided 72 rabbits into 3 equal groups of 24 rabbits each. Group I underwent reconstruction surgery, group II underwent resection, and group III was the control group. The cartilages between the talocrural and calcaneocrural joints, and between the subtalar and talonavicular joints on both sides were assessed by gross observation, ink staining, histology, and immunohistochemistry at weeks 4, 8, 16, and 32, postoperatively. Results In group II, the quantitative ink staining analysis revealed degeneration of the articular cartilages on the talonavicular joint (T=2.070, P=0.038) and the posterior subtalar joint (T=2.121, P=0.034) compared with the 2 sides of the same rabbit at 4 and 8 postoperative weeks. Comparing the operated sides of all the groups showed the posterior subtalar joints (Hc=9.563, P=0.008) and talonavicular joints (Hc=9.714, P=0.008) had an obvious difference at postoperative week 4; and in the calcaneocrural joints (Hc=6.750, P=0.034), it was noticed at postoperative week 8. Histology and immunohistochemistry findings confirm these observations. Conclusions An ITCL resection can lead to the progressive degeneration of the talonavicular and posterior subtalar joints, while an ITCL reconstruction can be beneficial in restoring the stability of these joints, preventing or postponing their degeneration, and protecting the articular cartilages.
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Affiliation(s)
- Chen Liu
- Department of Orthopaedics, Peking University International Hospital, Beijing, China (mainland)
| | - Jing-Xian Zhu
- Institute of Sports Medicine, Peking University Third Hospital, Beijing, China (mainland)
| | - Yue-Lin Hu
- Institute of Sports Medicine, Peking University Third Hospital, Beijing, China (mainland)
| | - Chen Jiao
- Institute of Sports Medicine, Peking University Third Hospital, Beijing, China (mainland)
| | - Qin-Wei Guo
- Institute of Sports Medicine, Peking University Third Hospital, Beijing, China (mainland)
| | - Ying-Fang Ao
- Institute of Sports Medicine, Peking University Third Hospital, Beijing, China (mainland)
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Michels F, Matricali G, Vereecke E, Dewilde M, Vanrietvelde F, Stockmans F. The intrinsic subtalar ligaments have a consistent presence, location and morphology. Foot Ankle Surg 2021; 27:101-109. [PMID: 32169330 DOI: 10.1016/j.fas.2020.03.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 02/01/2020] [Accepted: 03/02/2020] [Indexed: 02/04/2023]
Abstract
BACKGROUND Chronic subtalar instability is a disabling complication after acute ankle sprains. Currently, the literature describing the anatomy of the intrinsic subtalar ligaments is limited and equivocal which causes difficulties in diagnosis and treatment of subtalar instability. The purpose of this study is to assess the anatomical characteristics of the subtalar ligaments and to clarify some points of confusion. METHODS In 16 cadaveric feet, the dimensions and locations of the subtalar ankle ligaments were assessed and measured. CT-scans before dissection and after indication of the footprints with radio-opaque paint allowed to generate 3D models and assess the footprint characteristics. RESULTS The cervical ligament (CL) had similar dimensions as the lateral ligaments: anterior length 13.9 ± 1.5 mm, posterior length 18.5 ± 2.9 mm, talar width 13.6 ± 2.2 mm, calcaneal width 15.8 ± 3.7 mm. The anterior capsular ligament (ACaL) and interosseous talocalcaneal ligament (ITCL) were found to be smaller structures with consistent dimensions and locations. CONCLUSION This study identified consistent characteristics of the intrinsic subtalar ligaments and clarifies the local anatomical situation. The dimensions and footprints of the intrinsic ligaments of the subtalar joint suggest a more important role of the CL and ACaL in the stability of the subtalar joint. The results of this study are relevant to improve diagnostic tools and offer some guidelines when reconstructing the injured ligaments.
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Affiliation(s)
- Frederick Michels
- Orthopaedic Department, AZ Groeninge, President Kennedylaan 4, 8500 Kortrijk, Belgium; GRECMIP - MIFAS (Groupe de Recherche et d'Etude en Chirurgie Mini-Invasive du Pied - Minimally Invasive Foot and Ankle Society), Merignac, France.
| | - Giovanni Matricali
- Department of Development and Regeneration, KU Leuven, Leuven, Belgium; Department of Orthopaedics, Foot and Ankle Unit, University Hospitals Leuven, KU Leuven, Leuven, Belgium; Institute of Orthopaedic Research and Training, KU Leuven, Leuven, Belgium
| | - Evie Vereecke
- Dept. Development and Regeneration, Faculty of Medicine, University of Leuven Campus Kortrijk, Etienne Sabbelaan 53, 8500 Kortrijk, Belgium
| | - Miloud Dewilde
- Dept. Development and Regeneration, Faculty of Medicine, University of Leuven Campus Kortrijk, Etienne Sabbelaan 53, 8500 Kortrijk, Belgium
| | - Frederik Vanrietvelde
- Radiology Department, AZ Groeninge Kortrijk, President Kennedylaan 4, 8500 Kortrijk, Belgium
| | - Filip Stockmans
- Orthopaedic Department, AZ Groeninge, President Kennedylaan 4, 8500 Kortrijk, Belgium; Dept. Development and Regeneration, Faculty of Medicine, University of Leuven Campus Kortrijk, Etienne Sabbelaan 53, 8500 Kortrijk, Belgium
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Fukano M, Fukubayashi T, Kumai T. In vivo talocrural and subtalar kinematics during the stance phase of walking in individuals with repetitive ankle sprains. J Biomech 2020; 101:109651. [DOI: 10.1016/j.jbiomech.2020.109651] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 01/15/2020] [Accepted: 01/20/2020] [Indexed: 01/25/2023]
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25
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Michels F, Clockaerts S, Van Der Bauwhede J, Stockmans F, Matricali G. Does subtalar instability really exist? A systematic review. Foot Ankle Surg 2020; 26:119-127. [PMID: 30827926 DOI: 10.1016/j.fas.2019.02.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 01/08/2019] [Accepted: 02/09/2019] [Indexed: 02/04/2023]
Abstract
BACKGROUND Subtalar joint instability (STI) is considered as a potential source of chronic lateral hindfoot instability. However, clinical diagnosis of STI is still challenging. This systematic review was conducted to assess the consistency of the clinical entity "subtalar instability", to investigate the reliability of available diagnostic tools and to provide a critical overview of related studies. METHODS A systematic review of the Medline, Web of Sciences and EMBASE databases was performed for studies reporting on tests to investigate subtalar instability or lesions of the subtalar ligaments. To investigate the relation with chronic STI, studies focusing on sinus tarsi syndrome (STS) or acute lesions of the subtalar ligaments were also included in the search strategy and were assessed separately. RESULTS This review identified 25 studies focusing on different topics: chronic STI (16), acute lesions of the subtalar ligaments (5) and STS (4). Twelve studies, assessing STI, demonstrated the existence of a subgroup with instability complaints related to abnormal increased subtalar motion (7) or abnormalities of the subtalar ligaments (6). We found insufficient evidence for measuring subtalar tilting using stress radiographs. MRI was able to assess abnormalities of the ligaments and stress-MRI detected abnormally increased motion. CONCLUSION Complaints of instability can be related to subtalar ligaments injuries and an abnormally increased motion of the subtalar joint. Stress radiographs should be interpreted with caution and should not have the status of a reference test. Clinical diagnosis should rely on several parameters including MRI.
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Affiliation(s)
- Frederick Michels
- Orthopaedic Department, AZ Groeninge, President Kennedylaan 4, 8500, Kortrijk, Belgium.
| | - Stefan Clockaerts
- Orthopaedic Department, AZ Groeninge, President Kennedylaan 4, 8500, Kortrijk, Belgium; Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, KU Leuven, Leuven, Belgium
| | - Jan Van Der Bauwhede
- Orthopaedic Department, AZ Groeninge, President Kennedylaan 4, 8500, Kortrijk, Belgium
| | - Filip Stockmans
- Orthopaedic Department, AZ Groeninge, President Kennedylaan 4, 8500, Kortrijk, Belgium; Department of Development and Regeneration, Faculty of Medicine, University of Leuven campus Kortrijk, Etienne Sabbelaan 53, 8500, Kortrijk, Belgium
| | - Giovanni Matricali
- Department of Development and Regeneration, KU Leuven, Leuven, Belgium; Department of Orthopaedics, Foot and Ankle Unit, University Hospitals Leuven, KU Leuven, Leuven, Belgium; Institute of Orthopaedic Research and Training, KU Leuven, Leuven, Belgium
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26
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Peña Fernández M, Hoxha D, Chan O, Mordecai S, Blunn GW, Tozzi G, Goldberg A. Centre of Rotation of the Human Subtalar Joint Using Weight-Bearing Clinical Computed Tomography. Sci Rep 2020; 10:1035. [PMID: 31974489 PMCID: PMC6978465 DOI: 10.1038/s41598-020-57912-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 01/06/2020] [Indexed: 11/09/2022] Open
Abstract
Accurate in vivo quantification of subtalar joint kinematics can provide important information for the clinical evaluation of subtalar joint function; the analysis of outcome of surgical procedures of the hindfoot; and the design of a replacement subtalar joint prosthesis. The objective of the current study was to explore the potential of full weight-bearing clinical computed tomography (CT) to evaluate the helical axis and centre of rotation of the subtalar joint during inversion and eversion motion. A subject specific methodology was proposed for the definition of the subtalar joint motion combining three-dimensional (3D) weight-bearing imaging at different joint positions with digital volume correlation (DVC). The computed subtalar joint helical axis parameters showed consistency across all healthy subjects and in line with previous data under simulated loads. A sphere fitting approach was introduced for the computation of subtalar joint centre of rotation, which allows to demonstrate that this centre of rotation is located in the middle facet of the subtalar joint. Some translation along the helical axis was also observed, reflecting the elasticity of the soft-tissue restraints. This study showed a novel technique for non-invasive quantitative analysis of bone-to-bone motion under full weight-bearing of the hindfoot. Identifying different joint kinematics in patients with ligamentous laxity and instability, or in the presence of stiffness and arthritis, could help clinicians to define optimal patient-specific treatments.
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Affiliation(s)
- Marta Peña Fernández
- Zeiss Global Centre, School of Mechanical and Design Engineering, University of Portsmouth, Portsmouth, PO1 3DJ, UK.
| | - Dorela Hoxha
- Zeiss Global Centre, School of Mechanical and Design Engineering, University of Portsmouth, Portsmouth, PO1 3DJ, UK
| | - Oliver Chan
- UCL Institute of Orthopaedics & Musculoskeletal Science, Division of Surgery & Interventional Science, Royal National Orthopaedic Hospital, Stanmore, HA7 4LP, UK
| | - Simon Mordecai
- UCL Institute of Orthopaedics & Musculoskeletal Science, Division of Surgery & Interventional Science, Royal National Orthopaedic Hospital, Stanmore, HA7 4LP, UK
| | - Gordon W Blunn
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, PO1 2DT, UK
| | - Gianluca Tozzi
- Zeiss Global Centre, School of Mechanical and Design Engineering, University of Portsmouth, Portsmouth, PO1 3DJ, UK
| | - Andy Goldberg
- UCL Institute of Orthopaedics & Musculoskeletal Science, Division of Surgery & Interventional Science, Royal National Orthopaedic Hospital, Stanmore, HA7 4LP, UK
- MSK Lab, Faculty of Medicine, Department of Surgery & Cancer, Imperial College London, Level 2, Faculty Building, South Kensington Campus, London, SW7 2AZ, UK
- The London Ankle & Arthritis Centre, The Wellington Hospital, Wellington Place, London, NW8 9LE, UK
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27
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Krähenbühl N, Weinberg MW, Davidson NP, Mills MK, Hintermann B, Saltzman CL, Barg A. Currently used imaging options cannot accurately predict subtalar joint instability. Knee Surg Sports Traumatol Arthrosc 2019; 27:2818-2830. [PMID: 30367197 DOI: 10.1007/s00167-018-5232-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 10/17/2018] [Indexed: 02/07/2023]
Abstract
PURPOSE To give a systematic overview of current diagnostic imaging options and surgical treatment for chronic subtalar joint instability. METHODS A systematic literature search across the following sources was performed: PubMed, ScienceDirect, and SpringerLink. Twenty-three imaging studies and 19 outcome studies were included. The Quality Assessment of Diagnostic Accuracy Studies 2 (QUADAS 2) tool was used to assess the methodologic quality of the imaging articles, while the modified Coleman Score was used to assess the methodologic quality of the outcome studies. RESULTS Conventional radiographs were most frequently used to assess chronic subtalar joint instability. Talar tilt, anterior talar translation, and subtalar tilt were the three most commonly used measurement methods. Surgery often included calcaneofibular ligament reconstruction. CONCLUSION Current imaging options do not reliably predict subtalar joint instability. Distinction between chronic lateral ankle instability and subtalar joint instability remains challenging. Recognition of subtalar joint instability as an identifiable and treatable cause of ankle pain requires vigilant clinical investigation. LEVEL OF EVIDENCE Systematic Review of Level III and Level IV Studies, Level IV.
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Affiliation(s)
- Nicola Krähenbühl
- Department of Orthopaedics, University of Utah, 590 Wakara Way, Salt Lake City, UT, 84108, USA
| | - Maxwell W Weinberg
- Department of Orthopaedics, University of Utah, 590 Wakara Way, Salt Lake City, UT, 84108, USA
| | - Nathan P Davidson
- Department of Orthopaedics, University of Utah, 590 Wakara Way, Salt Lake City, UT, 84108, USA
| | - Megan K Mills
- Department of Radiology and Imaging Sciences, University of Utah, 30 N. 1900 E. #1A071, Salt Lake City, UT, 84132, USA
| | - Beat Hintermann
- Department of Orthopaedics, Kantonsspital Baselland, Rheinstrasse 26, 4410, Liestal, Switzerland
| | - Charles L Saltzman
- Department of Orthopaedics, University of Utah, 590 Wakara Way, Salt Lake City, UT, 84108, USA
| | - Alexej Barg
- Department of Orthopaedics, University of Utah, 590 Wakara Way, Salt Lake City, UT, 84108, USA.
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Abstract
Subtalar joint stability is ensured by the osseous geometry of the talocalcaneal joint and the complex array of the ligaments at the medial and lateral aspect of the ankle joint, the sinus and canalis tarsi, and the talocalcaneonavicular joint, respectively. There is still a substantial lack of knowledge about the interaction of the ankle and subtalar joint complex. Subtalar joint instability appears to be more frequent than is generally assumed. The diagnosis of chronic subtalar joint instability makes the application of a comprehensive algorithm necessary. There is ongoing debate about the preferable techniques for restoration of subtalar joint stability.
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Affiliation(s)
- Thomas Mittlmeier
- Department of Trauma, Hand and Reconstructive Surgery, Rostock University Medical Center, Schillingallee 35, Rostock D-18057, Germany.
| | - Stefan Rammelt
- University Center for Orthopedics and Traumatology, University Hospital "Carl Gustav Carus", TU Dresden, Fetscherstr. 74, Dresden D-01307, Germany
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