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Zhang L, Sun X, Jiang L, Zhou X, Shi H, Yang Y, Cai M, Wang G. The morphology of osseous structure in subtalar joint with chronic ankle instability. Foot Ankle Surg 2024; 30:74-78. [PMID: 37748980 DOI: 10.1016/j.fas.2023.09.008] [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] [Received: 02/18/2023] [Revised: 07/22/2023] [Accepted: 09/19/2023] [Indexed: 09/27/2023]
Abstract
BACKGROUND Osseous structures have been demonstrated as risk factors for chronic ankle instability (CAI). Previously, the researchers only focused on the osseous structures of ankle, but ignored the osseous structures of subtalar joint(STJ). Accordingly, the aim of our study was to investigate the morphological characteristics of STJ osseous structures in CAI. METHODS 52 patients with CAI and 52 sex- and age- matched control subjects were enrolled from The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University. The lateral radiographs of ankle in weight-bearing were used to compare the diversity of the two groups. Specifically, The Length of calcaneus, Calcaneal facet height and Absolute foot height, Böhler's angle, Gissane's angle, Calcaneal inclination angle, Talocalcaneal angle, Tibiotalar angle, Tibiocalcaneal angle, Talar-horizontal angle, talar declination angle, facet inclination angle were gauged in the two groups. RESULTS The Böhler's angle, Calcaneal inclination, Talocalcaneal angle, Tibiotalar angle, Talar-horizontal angle, Talar declination angle, Facet inclination angle and Absolute foot height of CAI group were significantly higher than normal control group (P < 0.05). There were no significant differences in Gissane's angle, Tibiocalcaneal angle, Length of calcaneus and Calcaneal facet height between patients with CAI and normal controls (P > 0.05). CONCLUSIONS The osseous structures of STJ in CAI patients are different from normal people in morphology. Therefore, we should pay more attention to the changes of STJ anatomical parameters in the diagnosis and prevention of CAI. LEVEL OF EVIDENCE Ⅲ.
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Affiliation(s)
- Lei Zhang
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, China; Center for Orthopedic Diseases Research, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, China
| | - Xinghao Sun
- School of Clinical Medicine, Southwest Medical University, Luzhou 646000, China
| | - Lu Jiang
- School of Traditional Chinese and Western Medicine, Southwest Medical University, Luzhou 646000, China
| | - Xin Zhou
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, China; Center for Orthopedic Diseases Research, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, China
| | - Houyin Shi
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, China; Center for Orthopedic Diseases Research, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, China
| | - Yuening Yang
- School of Clinical Medicine, Southwest Medical University, Luzhou 646000, China
| | - Mingyang Cai
- School of Traditional Chinese and Western Medicine, Southwest Medical University, Luzhou 646000, China
| | - Guoyou Wang
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, China; Center for Orthopedic Diseases Research, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, China.
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Recurrence of Equinus Foot in Cerebral Palsy following Its Correction-A Meta-Analysis. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9030339. [PMID: 35327713 PMCID: PMC8947726 DOI: 10.3390/children9030339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/21/2022] [Accepted: 02/26/2022] [Indexed: 11/23/2022]
Abstract
Background: Recurrence in cerebral palsy (CP) patients who have undergone operative or non-operative correction varies greatly from one study to another. Therefore, we conducted this meta-analysis to determine the pooled rate of equinus recurrence following its correction either surgically or non-surgically. Methods: Nine electronic databases were searched from inception to 6 May 2021, and the search was updated on 13 August 2021. We included all studies that reported the recurrence rate of equinus following its correction among CP patients. The primary outcome was recurrence, where data were reported as a pooled event (PE) rate and its corresponding 95% confidence interval (CI). We used the Cochrane’s risk of bias (RoB-II) tool and ROBINS-I tool to assess the quality of included randomized and non-randomized trials, respectively. We conducted subgroup analyses to identify the sources of heterogeneity. Results: The overall rate of recurrence was 0.15 (95% CI: 0.05−0.18; I2 = 88%; p < 0.01). Subgroup analyses indicated that the laterality of CP, study design, and intervention type were significant contributors to heterogeneity. The recurrence rate of equinus differed among interventions; it was highest in the multilevel surgery group (PE = 0.27; 95% CI: 0.19−0.38) and lowest in the Ilizarov procedure group (PE = 0.10; 95% CI: 0.04−0.24). Twelve studies had a low risk of bias, eight had a moderate risk, and nine had a serious risk of bias. Conclusion: The recurrence of equinus following its correction, either surgically or non-surgically, in CP patients is notably high. However, due to the poor quality of available evidence, our findings should be interpreted with caution. Future studies are still warranted to determine the actual risk of equinus recurrence in CP.
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Zhang J, Li Y, Liu L, Chen L, Liu Z, Duan Q, Pu B. Post-traumatic severe ankle valgus and forefoot supination deformities treated by staged surgery using ilizarov technique and limited osteotomy: A case report. Medicine (Baltimore) 2021; 100:e28385. [PMID: 34941169 PMCID: PMC8701961 DOI: 10.1097/md.0000000000028385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 12/02/2021] [Indexed: 01/05/2023] Open
Abstract
RATIONALE Post-traumatic ankle valgus deformities are relatively rare. Old post-traumatic ankle deformity compounded by abundant scar contracture tissue formation around the joint is a big challenge for orthopedics. Conventional one-stage corrective osteotomy with internal fixation always results in many knotty postoperative complications, such as soft tissue avascular necrosis, implant-related infections, and distinct lower limb discrepancy. Here, we describe a patient with old post-traumatic severe ankle valgus and forefoot supination deformities and obtained satisfactory clinical results following multi-stage surgery using the Ilizarov technique and limited osteotomy. Even more encouraging, any complications of conventional one-stage surgery were successfully avoided through our treatment regimen. PATIENT CONCERNS A 24-year-old healthy man had post-traumatic 90-degree hindfoot valgus and forefoot supination deformities of the right foot for more than 10 years. The complicated issue was the vast, poorly vascularized scar contracture tissues tightly adhered to the bones of the lateral malleolus and dorsum pedis. DIAGNOSES Old post-traumatic severe ankle valgus and forefoot supination deformities and scar contracture of soft tissues of the foot and ankle joint. INTERVENTIONS In the first stage, Ilizarov external fixation was used to stretch the scar contracture tissue of the lateral malleolus. In the second stage, limited osteotomy of the tibiotalar joint and progressive closure of the osteotomy site were performed. In the third stage, Chopart joint osteotomy and slow forefoot pronation by external frame were performed. OUTCOMES Our treatment regimen not only guaranteed soft tissue safety, but also avoided infection and obvious lower limb discrepancy. At the 1-year follow-up, the patient acquired aesthetic and functional right foot. LESSONS Although relatively rare, old post-traumatic severe ankle valgus and forefoot supination deformities can be corrected using Ilizarov external fixation technology combined with limited osteotomy. With a well-designed staged operation scheme, soft tissue avascular necrosis, infection of the wound, obvious lower limb discrepancy, and flap grafting can be avoided.
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Affiliation(s)
- Jie Zhang
- Orthopedics Department, The 2nd Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Yongmei Li
- Rehabilitation Department, The 2nd Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Luping Liu
- Orthopedics Department, The 2nd Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Leijie Chen
- Orthopedics Department, The 2nd Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Zhou Liu
- Orthopedics Department, The 2nd Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Qihui Duan
- Orthopedics Department, The 2nd Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Bo Pu
- Orthopedics Department, The 2nd Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
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Fuentes P, Cuchacovich N, Gutierrez P, Hube M, Bastías GF. Treatment of Severe Rigid Posttraumatic Equinus Deformity With Gradual Deformity Correction and Arthroscopic Ankle Arthrodesis. Foot Ankle Int 2021; 42:1525-1535. [PMID: 34142580 DOI: 10.1177/10711007211018201] [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] [Indexed: 02/01/2023]
Abstract
BACKGROUND Posttraumatic ankle equinus is associated with rigid deformity, poor skin condition, and multiple prior surgeries. Open acute correction has been described using osteotomies, talectomy, and arthrodesis, but concerns exist about skin complications, neurologic alterations, secondary limb discrepancy, and bone loss. Gradual correction using a multiplanar ring fixator and arthroscopic ankle arthrodesis (AAA) may decrease these complications. METHODS We retrospectively reviewed patients undergoing correction of posttraumatic rigid equinus with at least 1 year of follow-up after frame removal. The procedure consisted of percutaneous Achilles lengthening, gradual equinus correction using a multiplanar ring fixator, and AAA retaining the fixator in compression with screw augmentation. Frame removal depended on signs of union on the computed tomography scan. Visual analog scale (VAS) and Foot Function Index (FFI) scores were assessed as well as preoperative and postoperative x-rays. Complications were noted throughout the follow-up period. RESULTS Five patients were treated with a mean age of 35 years and mean follow-up of 31 months. Deformities were gradually corrected into a plantigrade foot over an average duration of 6 weeks. Union was achieved in all patients with a mean time of an additional 25 weeks, for a mean total frame time of 31 weeks. The mean preoperative tibiotalar angle was 151 degrees and was corrected to 115 degrees. FFI score improved from a mean of 87 to 24 and VAS from 8 to 2. CONCLUSION Posttraumatic rigid equinus can be treated effectively using gradual correction followed by integrated AAA in a safe and reproducible manner. Patients in this series had excellent functional, radiological, and satisfaction results. LEVEL OF EVIDENCE Level IV, retrospective case series.
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Affiliation(s)
- Patricio Fuentes
- Department of Orthopedic Surgery, Foot and Ankle Unit, Hospital del Trabajador, Santiago, Chile
| | - Natalio Cuchacovich
- Department of Orthopedic Surgery, Foot and Ankle Unit, Hospital del Trabajador-Clinica Las Condes, Santiago, Chile
| | - Paulina Gutierrez
- Department of Emergency Medicine, Clinica Las Condes, Santiago, Chile
| | - Maximiliano Hube
- Department of Orthopedic Surgery, Foot and Ankle Unit, Hospital del Trabajador-Clinica Indisa, Santiago, Chile
| | - Gonzalo F Bastías
- Department of Orthopedic Surgery, Foot and Ankle Unit, Hospital del Trabajador-Clinica Las Condes, Hospital San Jose-Universidad de Chile, Santiago, Chile
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Malkova TA, Borzunov DY. International recognition of the Ilizarov bone reconstruction techniques: Current practice and research (dedicated to 100 th birthday of G. A. Ilizarov). World J Orthop 2021; 12:515-533. [PMID: 34485099 PMCID: PMC8384611 DOI: 10.5312/wjo.v12.i8.515] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/08/2021] [Accepted: 07/09/2021] [Indexed: 02/06/2023] Open
Abstract
The Ilizarov method is one of the current methods used in bone reconstruction. It originated in the middle of the past century and comprises a number of bone reconstruction techniques executed with a ring external fixator developed by Ilizarov GA. Its main merits are viable new bone formation through distraction osteogenesis, high union rates and functional use of the limb throughout the course of treatment. The study of the phenomenon of distraction osteogenesis induced by tension stress with the Ilizarov apparatus was the impetus for advancement in bone reconstruction surgery. Since then, the original method has been used along with a number of its modifications developed due to emergence of new fixation devices and techniques of their application such as hexapod external fixators and motorized intramedullary lengthening nails. They gave rise to a relatively new orthopedic subspecialty termed “limb lengthening and reconstruction surgery”. Based on a comprehensive literature search, we summarized the recent clinical practice and research in bone reconstruction by the Ilizarov method with a special focus on its modification and recognition by the world orthopedic community. The international influence of the Ilizarov method was reviewed in regard to the origin country of the authors and journal’s rating. The Ilizarov method and other techniques based on distraction osteogenesis have been used in many countries and on all populated continents. It proves its international significance and confirms the greatest contribution of Ilizarov GA to bone reconstruction surgery.
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Affiliation(s)
- Tatiana A Malkova
- Department of Medical Information and Analysis, Ilizarov National Medical Research Center for Traumatology and Orthopedics, Kurgan 640014, Russia
| | - Dmitry Y Borzunov
- Department of Traumatology and Orthopedics, Ural State Medical University, Ekaterinburg 620109, Russia
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Dahl MT, Morrison SG, Georgiadis AG, Huser AJ. What's New in Limb Lengthening and Deformity Correction. J Bone Joint Surg Am 2019; 101:1435-1439. [PMID: 31436650 DOI: 10.2106/jbjs.19.00584] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Mark T Dahl
- Gillette Children's Specialty Healthcare, St. Paul, Minnesota.,University of Minnesota, Minneapolis, Minnesota
| | - Stewart G Morrison
- Gillette Children's Specialty Healthcare, St. Paul, Minnesota.,University of Minnesota, Minneapolis, Minnesota
| | - Andrew G Georgiadis
- Gillette Children's Specialty Healthcare, St. Paul, Minnesota.,University of Minnesota, Minneapolis, Minnesota
| | - Aaron J Huser
- Gillette Children's Specialty Healthcare, St. Paul, Minnesota.,University of Minnesota, Minneapolis, Minnesota
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