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Krajewski KT, Miller S, Dimovski R, Rhodes J, De S. Retrograde Insertion Approach for Anterior Distal Femoral Hemiepiphysiodesis Procedure: A Case Report. JBJS Case Connect 2024; 14:01709767-202409000-00042. [PMID: 39208151 DOI: 10.2106/jbjs.cc.24.00085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
CASE A 13-year-old adolescent boy with spastic diplegic cerebral palsy (CP) presented with crouch gait and bilateral knee flexion contractures (KFCs). After failure of conservative treatments, the patient was referred to orthopaedics for surgical intervention. Anterior distal femoral hemiepiphysiodesis (ADFH), using a retrograde approach, and Strayer gastrocnemius recession were performed bilaterally. No complications were reported during surgery/follow-up. Full-active knee extension and improved gait were achieved. CONCLUSION KFC is prevalent in ambulatory patients with CP, reducing gait function. Retrograde ADFH is an effective surgical intervention to reduce KFC and improve gait, and offers simpler insertion/removal than the traditional antegrade technique.
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Affiliation(s)
- Kellen T Krajewski
- Department of Orthopedics, University of Colorado School of Medicine, Aurora, Colorado
- Musculoskeletal Research Center, Department of Orthopedics, Children's Hospital Colorado, Aurora, Colorado
| | - Scott Miller
- Musculoskeletal Research Center, Department of Orthopedics, Children's Hospital Colorado, Aurora, Colorado
- Center for Gait and Movement Analysis (CGMA), Children's Hospital Colorado, Aurora, Colorado
| | - Radomir Dimovski
- Musculoskeletal Research Center, Department of Orthopedics, Children's Hospital Colorado, Aurora, Colorado
| | - Jason Rhodes
- Department of Orthopedics, University of Colorado School of Medicine, Aurora, Colorado
- Musculoskeletal Research Center, Department of Orthopedics, Children's Hospital Colorado, Aurora, Colorado
- Center for Gait and Movement Analysis (CGMA), Children's Hospital Colorado, Aurora, Colorado
| | - Sayan De
- Department of Orthopedics, University of Colorado School of Medicine, Aurora, Colorado
- Musculoskeletal Research Center, Department of Orthopedics, Children's Hospital Colorado, Aurora, Colorado
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Pappa E, Giannakopoulou M, Michalopoulou AG, Pilichou A, Dettoraki A, Syrengelas D, Antoniadis M, Pergantou H, Anastasopoulos J. Pediatric Hemophilic Arthropathy of the Knee: Treatment With Circular External Fixator and Intra-articular Injection of Platelet-Rich Plasma. Cureus 2024; 16:e56198. [PMID: 38618348 PMCID: PMC11016159 DOI: 10.7759/cureus.56198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/14/2024] [Indexed: 04/16/2024] Open
Abstract
There are limited reports about managing knee flexion contracture (KFC) due to hemophilic hemarthrosis with the Ilizarov technique and platelet-rich plasma intraarticular injection administration. This article aims to describe a case of KFC treated with a circular external fixator and intraarticular administration of platelet-rich plasma in a pediatric patient. A 12-year-old male patient suffering from hemophilia A was being monitored by our department due to knee effusions. Extensive knee flexion contracture of the left knee was seen. The Ilizarov technique was chosen for surgical management of the worsening knee flexion contracture. The duration of distraction was six weeks. Due to localized pain and functional impairment, intra-articular administration of platelet-rich plasma (PRP) was applied twice, on the first month after the circular frame removal and at a six-month follow-up, with clinical and functional improvement. Our clinical case report demonstrates that PRP intra-articular injections are likely to provide an improvement in pain and knee joint function, as well as joint hyperemia, even in the case of already established knee flexion contracture, which was managed with a circular distraction device. However, more studies regarding the Ilizarov technique and the PRP intraarticular administration are needed for a protocol to be established for the management of the hemophilic knee joint in the pediatric population.
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Affiliation(s)
- Eleni Pappa
- Orthopaedics, 5th Orthopaedic Department, KAT General Hospital, Athens, GRC
| | - Maria Giannakopoulou
- Orthopaedics, 2nd Orthopaedic Department, Agia Sofia Children's Hospital, Athens, GRC
| | | | - Anastasia Pilichou
- Orthopaedics, 2nd Orthopaedic Department, Agia Sofia Children's Hospital, Athens, GRC
| | - Athina Dettoraki
- Haemophilia Centre/Haemostasis and Thrombosis Unit, Agia Sofia Children's Hospital, Athens, GRC
| | - Dimitrios Syrengelas
- Haemophilia Centre/Haemostasis and Thrombosis Unit, Agia Sofia Children's Hospital, Athens, GRC
| | - Marios Antoniadis
- Haemophilia Centre/Haemostasis and Thrombosis Unit, Agia Sofia Children's Hospital, Athens, GRC
| | - Helen Pergantou
- Haemophilia Centre/Haemostasis and Thrombosis Unit, Agia Sofia Children's Hospital, Athens, GRC
| | - John Anastasopoulos
- Orthopaedics, 2nd Orthopaedic Department, Agia Sofia Children's Hospital, Athens, GRC
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Xia LW, Xu C, Huang JH. Use of Ilizarov technique for bilateral knees flexion contracture in Juvenile-onset ankylosing spondylitis: A case report. World J Clin Cases 2023; 11:7179-7186. [PMID: 37946772 PMCID: PMC10631416 DOI: 10.12998/wjcc.v11.i29.7179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/14/2023] [Accepted: 09/25/2023] [Indexed: 10/13/2023] Open
Abstract
BACKGROUND Ankylosing spondylitis (AS) is a chronic rheumatic disease that primarily affects the spine and the sacroiliac and peripheral joints. Juvenile-onset AS (JoAS) patients will likely present with peripheral joint symptoms. Knee flexion contracture (KFC) and hip flexion contracture (HFC) are common in these patients due to subchondral bone inflammation. The Ilizarov technique is the most commonly used technique for treating KFC. However, its use to treat JoAS-associated KFC has not been reported. CASE SUMMARY This report presents a case study of a 31-year-old male patient with a squatting gait due to severe bilateral KFC and HFC. The patient had a normal walking pattern until the age of eight, after which he experienced knee and hip pain, leading to the gradual development of KFC and HFC. The patient's primary complaint was an inability to walk upright. The patient was diagnosed with JoAS and underwent hip dissection and release, limited soft tissue release of the hamstring, and gradual traction using the Ilizarov method. Ultimately, the patient was able to walk upright. CONCLUSION The incidence of squatting gait due to KFC in individuals diagnosed with JoAS was low. Utilizing the Ilizarov technique has proven to be a secure and effective method for managing KFC in JoAS patients. Although the Ilizarov technique cannot substitute for total knee arthroplasty (TKA), its application can delay the need for primary TKA in JoAS patients and alleviate the intricacy and potential complications associated with the procedure.
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Affiliation(s)
- Li-Wei Xia
- Department of Orthopedics, Guangxi Zhuang Autonomous Region Jiangbin Hospital, Nanning 530000, Guangxi Zhuang Autonomous Region, China
| | - Cheng Xu
- Department of Science and Education, Guangxi Zhuang Autonomous Region Jiangbin Hospital, Nanning 530000, Guangxi Zhuang Autonomous Region, China
| | - Jian-Han Huang
- Department of Orthopedics, Guangxi Zhuang Autonomous Region Jiangbin Hospital, Nanning 530000, Guangxi Zhuang Autonomous Region, China
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Al Badi H, Lorange JP, Alzeedi M, Marwan Y, Bernstein M, Hamdy RC. Distal Femur Anterior Hemiepiphysiodesis for Fixed Knee Flexion Deformity in Neuromuscular Patients: A Systematic Review. JBJS Rev 2023; 11:01874474-202306000-00003. [PMID: 37276266 DOI: 10.2106/jbjs.rvw.23.00001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
BACKGROUND In the past decade, distal femur anterior hemiepiphysiodesis for fixed knee flexion deformity has gained popularity. In this study, we aim to systematically review the literature on this technique as a treatment for fixed knee flexion deformity in patients with neuromuscular disorders. METHODS A systematic review was performed in the following databases: PubMed, Embase, and Medline. The inclusion criteria included anterior hemiepiphysiodesis of the distal femur for patients with neuromuscular disorders and fixed knee flexion deformities. RESULTS Our search yielded 419 titles. A total of 12 articles were qualified for final review based on the inclusion and exclusion criteria. The total number of patients was 279, with 483 knees corrected. The male to female ratio was 2.1:1, and the mean age of the patients was 11.3 ± 1.4 years (range 4-17 years). The mean preoperative flexion deformity was 23.1° ± 10.0° (range 10°-90°). The mean residual flexion deformity at the final follow-up was 8.6° ± 9.0° (range 0°-32.5°), which corresponds to a statistically significant decrease compared with the preoperative deformity (p < 0.05). CONCLUSION Anterior hemiepiphysiodesis for fixed knee flexion deformity provides favourable outcomes with low complication rates in patients with neuromuscular disorders. Future studies should focus on comparing the long-term outcomes of the different metal implants used for these operations. LEVEL OF EVIDENCE Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Hamid Al Badi
- Limb Deformity Unit, Department of Pediatric Orthopaedic Surgery, Shriners Hospital for Children, Montreal, Quebec, Canada
- Division of Orthopaedic Surgery, McGill University Health Centre, Montreal, Quebec, Canada
| | - Justin-Pierre Lorange
- Limb Deformity Unit, Department of Pediatric Orthopaedic Surgery, Shriners Hospital for Children, Montreal, Quebec, Canada
- Division of Orthopaedic Surgery, McGill University Health Centre, Montreal, Quebec, Canada
| | - Muadh Alzeedi
- Limb Deformity Unit, Department of Pediatric Orthopaedic Surgery, Shriners Hospital for Children, Montreal, Quebec, Canada
- Division of Orthopaedic Surgery, McGill University Health Centre, Montreal, Quebec, Canada
| | - Yousef Marwan
- Department of Surgery, Faculty of Medicine, Health Sciences Center, Kuwait University, Kuwait City, Kuwait
| | - Mitchell Bernstein
- Limb Deformity Unit, Department of Pediatric Orthopaedic Surgery, Shriners Hospital for Children, Montreal, Quebec, Canada
- Division of Orthopaedic Surgery, McGill University Health Centre, Montreal, Quebec, Canada
| | - Reggie C Hamdy
- Limb Deformity Unit, Department of Pediatric Orthopaedic Surgery, Shriners Hospital for Children, Montreal, Quebec, Canada
- Division of Orthopaedic Surgery, McGill University Health Centre, Montreal, Quebec, Canada
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Ren H, Huang K, Tong P, Zhu Y. Treatment of posttraumatic patella osteomyelitis with MRSA infection and knee stiffness: a case report. BMC Surg 2020; 20:320. [PMID: 33287784 PMCID: PMC7722441 DOI: 10.1186/s12893-020-00996-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Accepted: 12/01/2020] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND Posttraumatic patella osteomyelitis is rare, and the treatment of osteomyelitis remains to be challenging. Control of the infection commonly costs a long time, and it is easily to cause knee stiffness. In addition, there is no unified protocol for the treatment of knee stiffness. CASE PRESENTATION We reported a case of posttraumatic patella osteomyelitis that successive infected with methicillin-resistant staphylococcus aureus (MRSA) after multiple surgeries. We successfully treated osteomyelitis by one-staged surgery, but the patient present knee stiffness after treatment. Thus Ilizarov external fixation system was further used to gradually adjust the mobility by exerting mechanical stress to the joint. After adjusting the frame under a scheduled plan, the patient successfully restored satisfactory knee function. CONCLUSIONS Adequate debridement is the key to control infections of posttraumatic osteomyelitis. Control the infection of posttraumatic patella osteomyelitis by one-staged surgery is achievable and could shorten the knee immobilization period. When knee stiffness occurs, scheduled range of motion (ROM) adjustment using Ilizarov frame with hinges might be a safe and useful method to restore function.
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Affiliation(s)
- Haiyong Ren
- Department of Orthopedics, Tongde Hospital of Zhejiang Province, 234 Gucui Road, Hangzhou, 310012, Zhejiang, China
| | - Kai Huang
- Department of Orthopedics, Tongde Hospital of Zhejiang Province, 234 Gucui Road, Hangzhou, 310012, Zhejiang, China
| | - Peijian Tong
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310006, Zhejiang, China
| | - Yansheng Zhu
- Department of Orthopedics, Tongde Hospital of Zhejiang Province, 234 Gucui Road, Hangzhou, 310012, Zhejiang, China.
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Leonchuk SS, Novikov KI, Subramanyam KN, Shikhaleva NG, Pliev MK, Mundargi AV. Management of severe congenital flexion deformity of the knee using Ilizarov method. J Pediatr Orthop B 2020; 29:47-52. [PMID: 30807513 DOI: 10.1097/bpb.0000000000000601] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The aim of this study was to examine the effectiveness of Ilizarov method in severe congenital flexion deformity of the knee. This was a retrospective study of eight consecutive bilateral cases (five girls and three boys, with mean age of 4 years, involving 16 knees) with minimum 2-year follow-up. Four patients had multiple congenital contractures and two patients each had popliteal pterygium syndrome and complete tibial hemimelia. All patients were treated with Ilizarov fixator and gradual correction (additional soft tissue releases in three knees). Six patients had bilateral foot and ankle deformity treated with the same fixator, and cases with tibial hemimelia had centralization of fibula and quadriceps reconstruction. Flexion deformity could be corrected in all cases. Mean duration of dynamic phase was 78.5 (55-108) days, that of static phase was 42.4 (7-100) days, and total duration of external fixation was 120.9 (87-186) days. At mean follow-up of 34.5 (23-60) months, flexion deformity improved from the preoperative value of 74.9° (50°-130°) to 13.7° (10°-16°), and passive arc of motion of knee improved from the preoperative value of 38.8° (20°-55°) to 83.6° (55°-110°). Both were statistically significant (P < 0.0001). All patients (previously nonambulatory) were ambulatory with brace and support. All patients faced pin-tract and skin complications that were successfully managed. Ilizarov method is effective in severe congenital flexion deformity of the knee in improving ambulatory status. Realignment of quadriceps mechanism and limb mechanical axis (including ankle and foot deformities) must be given due importance. Minor recurrences of deformity must be expected in all cases.
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Affiliation(s)
| | - Konstantin I Novikov
- Department of Traumatology and Orthopedics No. 18, Russian Ilizarov Scientific Center for 'Restorative Traumatology and Orthopedics', Kurgan, Russia
| | - Koushik N Subramanyam
- Department of Orthopedics, Sri Sathya Sai Institute of Higher Medical Sciences, Prasanthigram, Puttaparthi, India
| | | | | | - Abhishek V Mundargi
- Department of Orthopedics, Sri Sathya Sai Institute of Higher Medical Sciences, Prasanthigram, Puttaparthi, India
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Stiel N, Babin K, Vettorazzi E, Breyer S, Ebert N, Rupprecht M, Stuecker R, Spiro AS. Anterior distal femoral hemiepiphysiodesis can reduce fixed flexion deformity of the knee: a retrospective study of 83 knees. Acta Orthop 2018; 89:555-559. [PMID: 29902104 PMCID: PMC6202731 DOI: 10.1080/17453674.2018.1485418] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Background and purpose - Fixed knee flexion deformity in children is a common problem in various diseases including myelomeningocele and cerebral palsy. Until now, only a few studies focusing on the surgical procedure of anterior distal femoral hemiepiphysiodesis have been published. We analyzed outcome and correction rate in the largest case series to date of patients treated by staples or 8-plates. Patients and methods - We reviewed the medical records of all patients with fixed knee flexion deformity who were treated with anterior distal femoral hemiepiphysiodesis using either staples or 8-plates between the years 2002 and 2017 (73 patients; 130 knees). 49 patients (83 knees) had completed treatment with implant removal at the time of full correction of the deformity or at skeletal maturity and were included. The average age at operation was 12 years (6-20). Patients were assigned to 3 different groups based on their diagnosis: cerebral palsy, myelomeningocele, and the "other" group.d Results - Mean fixed knee flexion deformity improved from 21° (10-60°) to 8° (0-50°) (p < 0.001) with an average correction rate of 0.44° per month (range -2.14° to 1.74°). The correction rate per month was lowest for patients with cerebral palsy (0.20°), followed by the myelomeningocele group (0.50°), and the "other" group (0.58°). Implant loosening occurred in 10% of the treated knees with consecutive re-implantation in 5% of the cases. Interpretation - Anterior distal femoral hemiepiphysiodesis is an effective and safe method for the treatment of fixed knee flexion deformity in children. The optimal timing depends on the remaining individual growth potential, the underlying disease, and the extent of the deformity.
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Affiliation(s)
- Norbert Stiel
- Department of Pediatric Orthopaedic Surgery, Children’s Hospital Hamburg-Altona, Hamburg, Germany; ,Department of Orthopaedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;
| | - Kornelia Babin
- Department of Pediatric Orthopaedic Surgery, Children’s Hospital Hamburg-Altona, Hamburg, Germany; ,Department of Orthopaedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;
| | - Eik Vettorazzi
- Department of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Sandra Breyer
- Department of Pediatric Orthopaedic Surgery, Children’s Hospital Hamburg-Altona, Hamburg, Germany; ,Department of Orthopaedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;
| | - Nicola Ebert
- Department of Pediatric Orthopaedic Surgery, Children’s Hospital Hamburg-Altona, Hamburg, Germany; ,Department of Orthopaedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;
| | - Martin Rupprecht
- Department of Pediatric Orthopaedic Surgery, Children’s Hospital Hamburg-Altona, Hamburg, Germany; ,Department of Orthopaedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;
| | - Ralf Stuecker
- Department of Pediatric Orthopaedic Surgery, Children’s Hospital Hamburg-Altona, Hamburg, Germany; ,Department of Orthopaedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;
| | - Alexander S Spiro
- Department of Pediatric Orthopaedic Surgery, Children’s Hospital Hamburg-Altona, Hamburg, Germany; ,Department of Orthopaedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; ,Correspondence:
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Balci HI, Kocaoglu M, Eralp L, Bilen FE. Knee flexion contracture in haemophilia: treatment with circular external fixator. Haemophilia 2014; 20:879-83. [DOI: 10.1111/hae.12478] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/27/2014] [Indexed: 01/30/2023]
Affiliation(s)
- H. I. Balci
- Department of Orthopaedics and Traumatology; Istanbul University Istanbul Medical Faculty; Istanbul Turkey
| | - M. Kocaoglu
- Department of Orthopaedics and Traumatology; Istanbul Memorial Hospital; Istanbul Turkey
| | - L. Eralp
- Department of Orthopaedics and Traumatology; Istanbul University Istanbul Medical Faculty; Istanbul Turkey
| | - F. E. Bilen
- Department of Orthopaedics and Traumatology; Istanbul Memorial Hospital; Istanbul Turkey
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Spiro AS, Stenger P, Hoffmann M, Vettorazzi E, Babin K, Lipovac S, Kolb JP, Novo de Oliveira A, Rueger JM, Stuecker R. Treatment of fixed knee flexion deformity by anterior distal femoral stapling. Knee Surg Sports Traumatol Arthrosc 2012; 20:2413-8. [PMID: 22307752 DOI: 10.1007/s00167-012-1915-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2011] [Accepted: 01/23/2012] [Indexed: 10/14/2022]
Abstract
PURPOSE The treatment of fixed knee flexion deformity through anterior distal femoral stapling has been investigated in only two studies so far, with promising results. The aim of the present study was to determine whether this technique might improve fixed knee flexion deformity in a series of growing children and adolescents with different conditions. Follow-up examinations were continued after staple removal in terms of a possible impairment of this deformity. METHODS We reviewed the medical records of all patients with fixed knee flexion deformity who had been treated by anterior distal femoral stapling at our institution. Twenty patients (37 knees) with a mean age of 12.7 years met the inclusion criteria (>12 months of follow-up; no additional procedures to correct fixed knee flexion deformity such as hamstring lengthening or posterior capsulotomy) and were evaluated in this study. RESULTS The mean fixed knee flexion deformity significantly improved from 21.4° (SD = 11.6) preoperatively to 7.0° (SD = 9.8) after a mean follow-up of 35.3 months. Young patients (<12 years) revealed superior improvement of this deformity, and especially children with distinct fixed knee flexion deformity of 30° or greater had benefit from early treatment. Impairment of flexion deformity was only seen in one patient (2 knees) after staple removal. CONCLUSIONS Our results demonstrate that anterior distal femoral stapling is an effective method for the treatment of fixed knee flexion deformity in growing children and adolescents. Rare complications, immediate mobilization, and a low recurrence rate after staple removal provide obvious advantages of this minimally invasive procedure. LEVEL OF EVIDENCE Retrospective therapeutic study, Level IV.
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Affiliation(s)
- Alexander S Spiro
- Department of Trauma-, Hand-, and Reconstructive Surgery, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany.
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Anterior femoral epiphysiodesis for the treatment of fixed knee flexion deformity in spina bifida patients. J Pediatr Orthop 2010; 30:858-62. [PMID: 21102213 DOI: 10.1097/bpo.0b013e3181f10297] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Fixed knee flexion deformity is a common problem in spina bifida patients. Owing to interference with ambulation, this deformity may lead to anterior knee pain and progressive crouch gait. If conservative treatment fails, surgical procedures including supracondylar femoral extension osteotomy, joint distraction, and posterior capsulotomy have to be considered. Potential complications of these procedures are fractures, neurovascular lesions, knee instability, and recurrent deformity with continued growth. As fixed knee flexion deformity in spina bifida patients frequently occurs bilaterally, this results in higher perioperative and postoperative risks and prolonged recovery, making these relatively invasive methods less appealing. In the skeletal immature patient, anterior femoral stapling is a feasible method to treat fixed knee flexion deformity as could be shown in an earlier study. In this study, anterior femoral stapling was performed in a series of patients with diverse etiologies, and the overall success rate was then calculated. The aim of this study was to determine whether anterior femoral epiphysiodesis may improve fixed knee flexion deformity in a group of spina bifida patients. METHODS Ten spina bifida patients with bilateral fixed knee flexion deformity (20 knees) were treated by anterior femoral epiphysiodesis through stapling. None of the patients received further knee procedures. The mean preoperative fixed knee flexion deformity was 20.3 ± 9.9 degrees (range: 10 to 40 degrees). Clinical and radiographic follow-up examinations were performed every 3 to 6 months after surgery. RESULTS All patients except 1 experienced significant improvement with a mean correction rate of 0.9 ± 0.5 degrees per month (range: 0.2 to 1.9 degrees). The residual flexion deformity averaged 5.3 ± 5.3 degrees (range: 0 to 15 degrees; P<0.001). CONCLUSIONS Anterior femoral epiphysiodesis through stapling is an effective and safe method for the treatment of fixed knee flexion deformity in growing children and adolescents with spina bifida. LEVEL OF EVIDENCE Therapeutic Study, Level IV.
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Abstract
Limited knee range of motion caused by posttraumatic arthrofibrosis after periarticular fracture remains a challenging problem. Traditionally, Judet or Thompson quadricepsplasty has been performed for severe stiff knee after distal femoral fracture. However, these procedures have a high rate of complications such as skin necrosis, wound dehiscence, and extension lag caused by long incisions and extensive surgery. The present study reports on a novel method that combines modified quadricepsplasty and the Ilizarov frame for management of severe stiff knee after metadiaphyseal fracture around the knee joints. This technique was applied in 10 patients over a 7-year period by one surgeon. The treatment resulted in improved knee range of motion without rebound phenomenon, which is a frequent problem when using either the Ilizarov frame or quadricepsplasty alone.
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Anterior distal femoral stapling for correcting knee flexion contracture in children with arthrogryposis--preliminary results. J Pediatr Orthop 2010; 30:169-73. [PMID: 20179565 DOI: 10.1097/bpo.0b013e3181d07593] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Fixed flexion contractures of the knee are more common and disabling than extension contractures in children with arthrogryposis. For correcting these deformities, there are various surgical options such as soft tissue release, distal femoral osteotomy, and frame distraction. We sought in this study to examine the effectiveness of anterior distal femoral stapling using 8-plates for correcting knee flexion contracture in children with arthrogryposis. METHODS We retrospectively assessed 16 knees in 10 children using clinical and radiographic measures. To determine the outcome, we assessed the Functional Mobility Scale (FMS) as well. Statistically, a paired t test, independent t test, and Wilcoxon signed-rank test were used to analyze the results. RESULTS After anterior distal femoral stapling, there was a reduction in the flexion deformity of the knee in children with arthrogryposis, P<0.05. There was an estimated 18-degree correction comparing the mean preoperative flexion deformity and the mean postoperative flexion deformity. This correction was significant in children when the knee flexion deformity was less than 45 degrees. The FMS also improved in those patients where the residual flexion contracture was less than 30 degrees at follow-up, suggesting an improvement in their ambulatory capacity, P<0.05. CONCLUSION Among children with arthrogryposis who present with knee flexion contractures, anterior distal femoral stapling with 8-plates improved their flexion deformity and ambulatory capacity. This technique is less invasive than soft tissue releases, distal femoral osteotomy, or frame distraction and is most rewarding in children with arthrogryposis whose flexion contractures is less than 45 degrees.
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Abstract
BACKGROUND Fixed knee flexion deformity (FKFD) is an insidious problem that may complicate the management of patients with neuromuscular compromise due to cerebral palsy, spina bifida, arthrogryposis, and other conditions. The energy costs associated with crouch gait may become prohibitive and, with the inexorable progression of fixed knee flexion, secondary pain may ensue as a result of fragmentation of the patella and/or tibial tubercle. Concomitant or compensatory flexion deformity of the hips and lumbar lordosis may develop, along with "pseudo equinus" of the ankles. Recommended treatments for FKFD have included bracing; physical therapy; and, in recalcitrant cases, distal femoral osteotomy, posterior release, or frame distraction. However, these latter modalities are fraught with potential complications including neurovascular damage, loss of fixation, undercorrection malunion, fracture, and recurrent deformity. Considering that FKFD is often bilateral, the complication risks for a given patient are doubled. In a previous study, the senior author reported successful hemiepiphysiodesis of the distal anterior femur using staples. However, further experience has demonstrated some of the limitations of stapling including relatively slow correction and occasional hardware migration. This led to the development of a more versatile and reliable solution using a pair of anterior tension band plates. METHODS In this retrospective clinical study, we are reporting this new technique of promoting gradual correction through guided growth of the distal femur, using a pair of anterior 8-plates. The correction is accomplished simultaneously and bilaterally, without immobilization, and may be combined with other operative procedures as indicated. We reviewed the charts, radiographs in a group of patients treated accordingly. RESULTS In this group of 18 patients with 29 deformities, we noted correction averaging 1.3 degrees (range, 0.0 [1 patient]-4.8 degrees), with minimal complications. No inadvertent coronal plane deformities were created. Upon full correction, the plates were removed so as to avoid recurvatum. CONCLUSION As an alternative to posterior capsulotomy or supracondylar extension osteotomy, we have found that guided growth is an effective and safe method of gradually correcting FKFD in growing children and adolescents. LEVEL OF EVIDENCE 4 (retrospective clinical series).
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