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Mania S, Beeler S, Wirth S, Viehöfer A. Talocalcaneal Ligament Reconstruction Kinematic Simulation for Progressive Collapsing Foot Deformity. Foot Ankle Int 2024; 45:166-174. [PMID: 38083852 PMCID: PMC10860361 DOI: 10.1177/10711007231213361] [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: 02/13/2024]
Abstract
BACKGROUND In progressive collapsing foot deformity (PCFD), an internal and plantar rotation of the talus relative to the calcaneus may result in painful peritalar subluxation. Medial soft tissue procedures (eg, spring ligament repair) aim to correct the talar position via the navicular bone if bony correction alone is not sufficient. The effect of the medial soft tissue reconstruction on the talar reposition remains unclear. We hypothesized that a subtalar talocalcaneal ligament reconstruction might be favorable in PCFD to correct talar internal malposition directly. This pilot study aims to evaluate the anatomical feasibility and kinematic behavior of a subtalar ligament reconstruction in PCFD. METHODS Three-dimensional surface model from 10 healthy ankles were produced. A total of 1089 different potential ligament courses were evaluated in a standardized manner. A motion of inversion/eversion and talar internal/external in relation to the calcaneus were simulated and the ligament strain, expressed as a positive length variation, for each ligament was analyzed. The optimal combination for the ligament reconstruction with increased length in internal rotation of the talus, isometric kinematic behavior in inversion/eversion, and extraarticular insertion on talus and calcaneus was selected. RESULTS A laterodistal orientation of the talar insertion point in respect to the subtalar joint axis and laterodistal deviation of the calcaneal insertion point presents the highest ligament lengthening in internal talar rotation (+0.56 mm [3.8% of total length]) and presented a near-isometric performance in inversion/eversion (+0.01 to -0.01 mm [0.1% of total length]). CONCLUSION This kinematic model shows that a ligament reconstruction in the subtalar space presents a pattern of length variation that may stabilize the internal talar rotation without impeding the physiological subtalar motion. CLINICAL RELEVANCE This study investigates the optimal location, feasibility, and kinematic behavior of a ligament reconstruction that could help stabilize peritalar subluxation in progressive collapsing foot deformity. [Formula: see text].
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Affiliation(s)
- Sylvano Mania
- Department of Orthopaedics, Balgrist University Hospital, University of Zürich, Zürich, Switzerland
| | - Silvan Beeler
- Department of Orthopaedics, Balgrist University Hospital, University of Zürich, Zürich, Switzerland
| | - Stephan Wirth
- Department of Orthopaedics, Balgrist University Hospital, University of Zürich, Zürich, Switzerland
| | - Arnd Viehöfer
- Department of Orthopaedics, Balgrist University Hospital, University of Zürich, Zürich, Switzerland
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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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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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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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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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Iglesias-Durán E, Guerra-Pinto F, García-Esteo F, Vilá-Rico J. Anatomic Arthroscopic Graft Reconstruction of the Interosseous Talocalcaneal Ligament for Subtalar Instability. Arthrosc Tech 2020; 9:e1903-e1906. [PMID: 33381399 PMCID: PMC7768199 DOI: 10.1016/j.eats.2020.08.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 08/14/2020] [Indexed: 02/03/2023] Open
Abstract
Instabilities of the subtalar joint are commonly overlooked or mismanaged, and chronic instability is a debilitating condition leading to premature joint degeneration. Several methods of treatment have been described, mainly screw fixation, arthrodesis, or ligament reconstruction. Most studies describe open methods for ligament reconstruction. We describe an original technique for "all-inside" arthroscopic graft reconstruction of the interosseous talocalcaneal ligament for subtalar instability.
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Affiliation(s)
- Elvira Iglesias-Durán
- Department of Orthopaedic Surgery and Traumatology. Hospital Asepeyo, Madrid, Spain,Department of Orthopaedic Surgery and Traumatology, Hospital Quirónsalud Juan Bravo 39, Madrid, Spain,Address correspondence to Elvira Iglesias Durán, c/Alcalde Sainz de Baranda 29. 2º. 28009 Madrid, Spain.
| | - Francisco Guerra-Pinto
- Hospital Ortopédico de Sant’Ana, Parede, Portugal,Hospital da Cruz Vermelha Portuguesa, Lisboa, Portugal,NOVA Medical School, Lisboa, Portugal,University of Barcelona, Barcelona, Spain
| | - Francisco García-Esteo
- Department of Orthopaedic Surgery and Traumatology, Hospital Universitario Fundación Jiménez Díaz, Madrid, Spain,Department of Anatomy, Faculty of Medicine, Universidad Francisco de Vitoria, Madrid, Spain
| | - Jesús Vilá-Rico
- Department of Orthopaedic Surgery and Traumatology, Hospital Quirónsalud Juan Bravo 39, Madrid, Spain,Department of Orthopaedic Surgery and Traumatology, Hospital Universitario 12 de Octubre, Madrid, Spain,Department of Surgery, Universidad Complutense, Madrid, Spain
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