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Impact of spinal fusion on severity health status in scoliotic adolescents with polyhandicap. PLoS One 2024; 19:e0300065. [PMID: 38451892 PMCID: PMC10919586 DOI: 10.1371/journal.pone.0300065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 02/19/2024] [Indexed: 03/09/2024] Open
Abstract
BACKGROUND Scoliosis constitutes a prevalent comorbidity in adolescents with polyhandicap and frequently leads to other severe impairments, impacting abilities and requiring complex caregiving strategies. Therefore, spinal fusion surgeries are commonly performed to alleviate pain and provide more comfort. However, spine stabilization has not previously been proven to improve the severity health status of adolescents with polyhandicap according to specific clinical scales. OBJECTIVE This study describes and compares the severity health status of adolescents with polyhandicap before and after they underwent spinal fusion. METHODS A monocentric retrospective observational study was conducted in the university hospital centre of Saint-Etienne, France. We included between 2009 to 2020, 30 scoliotic adolescents with polyhandicap who underwent spinal fusion performed with the same surgical technique and the same surgeon. The main outcome was the variation in the Polyhandicap Severity Scale (PSS) score after surgery. Secondary outcomes were variations in PSS subscores, quality of life scores, fronto-sagittal X-ray parameters, and measures of surgical complication rates and lengths of stay. RESULTS Among 30 adolescents, 27 PSS analyses were performed. We found a significant improvement between pre- and postoperative PSS scores, mainly for pain and respiratory, digestive, and skin disabilities. These improvements were accompanied by significant reductions in pelvic obliquity, in frontal and sagittal curves. The mean hospital length of stay was 45 days. During postoperative period, patients received a personalized postoperative rehabilitation procedure with spasticity and pain treatments, physiotherapy, and verticalization (wheelchair sitting and positioning devices such as contoured seat intended to increase postural stability). The mortality rate was estimated at 7%. At least 1 complication per patient occurred. CONCLUSIONS We show that spinal fusion surgeries confer a significant improvement in the severity health status in scoliotic adolescents with polyhandicap.
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Diagnosis and treatment of cervical spine injuries in children. Orthop Traumatol Surg Res 2024; 110:103762. [PMID: 37992867 DOI: 10.1016/j.otsr.2023.103762] [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: 11/29/2022] [Revised: 04/28/2023] [Accepted: 05/11/2023] [Indexed: 11/24/2023]
Abstract
Cervical spine injuries in children are a common reason for emergency room visits, while bone, ligament or spinal cord cervical lesions are relatively rare (1-1.5% of severe trauma in children) and mainly involve the upper cervical spine. The main causes are sports injuries, accidents at home and traffic accidents. Clinical triage is needed to avoid unnecessary radiation exposure from imaging. We propose a protocol to optimize the diagnosis and treatment. In children, conservative treatment using rigid immobilization (cervical collar or halo-vest) is the preferred option in stable and/or minimally displaced injuries. Frequent clinical and radiological monitoring is required to ensure the patient's condition does not deteriorate due to inappropriate or poorly tolerated treatment. In these cases, surgical treatment can be proposed as second-line treatment. Internal fixation is indicated as the first-line treatment if the injury is unstable or a neurological deficit is present. The fixation methods must be adapted to the pediatric population by taking into account the vertebral volume and residual growth potential. Intraoperative CT scans or neuronavigation can make the surgical procedure safer and easier. Clinical, radiographic and CT scan monitoring should continue until the end of growth in a child who underwent surgical treatment to quickly detect any mechanical complications or sagittal imbalance due to poor craniocervical or cervicothoracic alignment. LEVEL OF EVIDENCE: IV.
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L-pinning for fifth metacarpal neck fracture in adolescents. Orthop Traumatol Surg Res 2022; 108:102992. [PMID: 34186217 DOI: 10.1016/j.otsr.2021.102992] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 07/22/2020] [Accepted: 07/28/2020] [Indexed: 02/03/2023]
Abstract
INTRODUCTION Fifth metacarpal neck fracture is the most frequent type of hand fracture in adolescents between 13 and 16 years of age. It mainly affects males and the dominant hand. The L-pinning technique combines intramedullary anterograde pinning and transverse pinning between the 4th and 5th metacarpals. The present study aimed to assess L-pinning without postoperative immobilization in displaced 5th metacarpal fracture in adolescents with low residual growth. MATERIALS AND METHODS Data for patients aged between 13 and 16 years, operated on for closed 5th metacarpal neck fracture between January 2017 and June 2019, were analyzed retrospectively. Surgery was indicated for angulation with>30° palmar tilt and/or horizontal malalignment. The technique consisted in intramedullary anterograde pinning and transverse pinning between the 4th and 5th metacarpal heads. No postoperative immobilization was applied. Hardware was removed as of day 28. The final clinical check-up was at≥12 months. RESULTS Eighteen patients, all male, with a mean age of 14 years, were included. All had bone age≥14 years. Mean palmar tilt was 52°±6.8° versus 6°±2.4° postoperatively, for a mean correction of 45°±4.3°. Mean operating time was 15min, and X-ray exposure 0.36minutes for a mean radiation dose of 2.89 cGy/cm2. At hardware removal, all patients showed radiologic consolidation. At 3 months, 5th ray ranges of motion were normal, with no local complications. Functional results were maintained at last follow-up (≥12 months). CONCLUSION L-pinning seemed reliable in terms of feasibility and stability of reduction in 5th metacarpal neck fracture in adolescents. Absence of postoperative immobilization facilitated self-rehabilitation and accelerated functional recovery. LEVEL OF EVIDENCE IV.
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Unilocular Hydatid Cyst of the Kidney in a Child: A Diagnostic Challenge. Acta Chir Belg 2020. [DOI: 10.1080/00015458.1998.12098421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Outcomes of isolated soft tissue surgery for in-toeing gait in patients with ambulatory cerebral palsy. Orthop Traumatol Surg Res 2020; 106:1367-1371. [PMID: 33008781 DOI: 10.1016/j.otsr.2020.06.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 06/11/2020] [Accepted: 06/19/2020] [Indexed: 02/03/2023]
Abstract
BACKGROUND Soft tissue surgery to address in-toeing gait in young cerebral palsy (CP) patients may be an alternative in some cases to femoral derotation osteotomy (FDO), which is the currently accepted treatment. The relative contribution of muscular contracture, spasticity and bone deformity is still controversial. In this study, we determined the outcomes of soft tissue surgery on hip internal rotation (HIR) when femoral anteversion was less than 45° and the soft tissues were identified as being the cause. METHODS This prospective study included select adolescent patients who were operated in the context of single-event multilevel surgery. The soft tissues' contribution to the HIR was identified beforehand. The surgical procedures focused on the hamstrings, adductor magnus and gluteus minimus muscles. RESULTS Over a 6-year period, 21 patients (mean age 14 years) and 25 lower limbs were treated. The HIR improved by an average of 17.4°±4.8° (95% CI). The gait deviation index and gait profile score also improved significantly. At a mean follow-up of 36 months, no loss of correction had occurred. DISCUSSION In-toeing gait in CP patents is due to the action of retracted and/or spastic muscles and the presence of excessive bone torsion. When femoral anteversion<45°, confirming soft tissue involvement allows us to do a surgical procedure on the soft tissues only to correct the dynamic aspect of HIR. Our findings suggest that, under the right conditions, soft tissue surgery can improve in-toeing gain in the long term. This technique has its place alongside FDO in certain CP patients who do not have severe femoral anteversion.
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Intra-medullary osteosclerosis of the tibia in children. Orthop Traumatol Surg Res 2019; 105:551-556. [PMID: 30975636 DOI: 10.1016/j.otsr.2018.10.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 10/15/2018] [Accepted: 10/22/2018] [Indexed: 02/02/2023]
Abstract
BACKGROUND Intra-medullary osteosclerosis of the tibia is a rare condition characterised by chronic pain due to diaphyseal hyperostosis with no detectable triggering factor. The main differential diagnoses are stress fracture and osteoid osteoma. Of the few cases reported to date, most were in adults. The objective of this study was to assess paediatric patients with intra-medullary osteosclerosis to determine whether the first visit provides sufficient information to establish the diagnosis and rule out both osteoid osteoma and stress fracture, whether a biopsy is required, and which treatment is optimal. HYPOTHESIS The diagnosis of intra-medullary osteosclerosis of the tibia can be made at the first visit. PATIENTS AND METHODS Seven paediatric patients, 4 males and 3 females, with a mean age of 11 years, were included in this retrospective study. We evaluated the clinical features, findings from imaging studies (standard radiographs, computed tomography, magnetic resonance imaging, and bone scintigraphy), and treatment outcomes. RESULTS At the first visit, all patients had a painful swelling at the middle of the shin and imaging study evidence of antero-lateral tibial cortical thickening extending into the medullary cavity; in 5 patients, a linear lucency was visible. No other bone abnormalities were seen. Treatments included non-operative measures, pinning, and nailing. None of these treatments provided permanent bone healing or pain relief, although transitory freedom from pain with or without radiological bone healing was achieved. DISCUSSION Intra-medullary osteosclerosis of the tibia is rarely reported and therefore probably underdiagnosed. Distinctive characteristics of the cortical and endosteal thickening include location at the antero-lateral mid-diaphysis and, in some cases, the concomitant presence of a linear lucency that can provide the early diagnosis. The distinctive radiological features allow differentiation from a stress fracture. The management is challenging. LEVEL OF EVIDENCE IV, retrospective observational study.
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The National Pediatric Surgery Simulation Program in France: A tool to develop resident training in pediatric surgery. J Pediatr Surg 2019; 54:582-586. [PMID: 30318311 DOI: 10.1016/j.jpedsurg.2018.09.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 09/07/2018] [Accepted: 09/07/2018] [Indexed: 11/19/2022]
Abstract
BACKGROUND/PURPOSE To implement resident curriculum in France based on theoretical teaching and bed side training, the national council known as the "Collège Hospitalier et Universitaire de Chirurgie Pédiatrique" examined the relevance and feasibility of systematically introducing simulation program in the pediatric surgery resident training. MATERIAL AND METHODS A national simulation training program was developed and took place in a 2-day session organized in 7 simulation centers in France. The program included technical (laparoscopic/suturing technique on low-fidelity models) and nontechnical (6 scenarios for standardized consultation, and a team work scenario based on errors prevention in the operative room) skills. Evaluation of the program (Likert scale from 1 (bad) to 5 (excellent) and notation on 20 points) concerned trainees and trainers. RESULTS 40 residents (95% of all pediatric surgery French residents) attended with a ratio of trainees/trainer of ½. The training objectives earned a score of 4.46/5. The pedagogical value of the seminar scored 4.7/5, teaching quality 17.95/20, and the overall seminar score was 17.35/20. CONCLUSION This program, unique nationally, was assessed very favorably by the participating residents and by the involved trainers. To our knowledge, it represents the first mandatory national simulation training program included within a surgical training model. LEVEL OF EVIDENCE Level IV.
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Computed tomography scan morphometric study of adolescent vertebral laminae: From three-dimensional reconstruction to laminar hook. JOURNAL OF ORTHOPAEDICS AND ALLIED SCIENCES 2019. [DOI: 10.4103/joas.joas_38_18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Fascicular motor neurotomy associated to single event multilevel surgery in cerebral palsy. A long-term review with gait analysis. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.1303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Fascicular motor neurotomy associated to single event multilevel surgery in cerebral palsy. A long-term review with gait analysis. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Hip internal rotation in cerebral palsy: does femoral derotation osteotomy influence abductor insufficiency? Dev Med Child Neurol 2017; 59:884. [PMID: 28749032 DOI: 10.1111/dmcn.13527] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Correction of hip internal rotation in walking cerebral palsy adolescent using a soft tissue procedure an alternative to femoral rotation osteotomy. Ann Phys Rehabil Med 2016. [DOI: 10.1016/j.rehab.2016.07.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Clinical practices in intrathecal baclofen pump implantation in children with cerebral palsy in France. Ann Phys Rehabil Med 2016; 59:282-4. [PMID: 27158102 DOI: 10.1016/j.rehab.2016.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 02/23/2016] [Accepted: 02/24/2016] [Indexed: 10/21/2022]
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Gait parameters database for young children: The influences of age and walking speed. Clin Biomech (Bristol, Avon) 2015; 30:572-7. [PMID: 25911204 DOI: 10.1016/j.clinbiomech.2015.03.027] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Revised: 03/24/2015] [Accepted: 03/24/2015] [Indexed: 02/07/2023]
Abstract
BACKGROUND Reference databases are mandatory in orthopaedics because they enable the detection of gait abnormalities in patients. Such databases rarely include data on children under seven years of age. In young children, gait is principally influenced by age and walking speed. The influence of the age-speed interaction has not been well established. Therefore, the objective of the present study is to propose normative values for biomechanical gait parameters in children taking into account age, walking speed, and the age-speed interaction. METHODS Gait analyses were performed on 106 healthy children over a large age range (between one and seven years of age) during gait trials at a self-selected speed. From these gait cycles, biomechanical parameters, such as the joint angles and joint power of the lower limbs, were computed. Specific peak values and the times of occurrence of each biomechanical gait parameter were identified. Linear regressions are proposed for studying the influence of age, walking speed and the age-speed interaction. FINDINGS Most of the regressions achieved good accuracy in fitting the curve peaks and times of occurrence, and the normal reference targets of biomechanical parameters could be deduced from these regressions. The biomechanical gait parameters of a pathological case were plotted against the normal reference targets to illustrate the relevance of the proposed targeting method. INTERPRETATION The normal reference targets for biomechanical gait parameters based on age-speed regressions in a large database might help clinicians detect gait abnormalities in children from one to seven years of age.
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Utilisation de la pompe à baclofène dans la paralysie cérébrale de l’enfant : enquête nationale de pratique. Ann Phys Rehabil Med 2014. [DOI: 10.1016/j.rehab.2014.03.1299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Utilisation de la pompe à baclofène dans la paralysie cérébrale de l’enfant : enquête nationale de pratique 2. Ann Phys Rehabil Med 2014. [DOI: 10.1016/j.rehab.2014.03.1414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Use of baclofen pump in the cerebral palsy of child: National survey of practice 2. Ann Phys Rehabil Med 2014. [DOI: 10.1016/j.rehab.2014.03.1394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Use of baclofen pump in the cerebral palsy of child: National survey of practice. Ann Phys Rehabil Med 2014. [DOI: 10.1016/j.rehab.2014.03.1241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Utilisation de la pompe à baclofène dans la paralysie cérébrale de l’enfant : enquête nationale de pratique. Ann Phys Rehabil Med 2013. [DOI: 10.1016/j.rehab.2013.07.1024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Use of baclofen pump in the cerebral palsy of child: National survey of practice. Ann Phys Rehabil Med 2013. [DOI: 10.1016/j.rehab.2013.07.1034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Is there a predominant influence between heel height, upper height and sole stiffness on young children gait dynamics? Comput Methods Biomech Biomed Engin 2013; 16 Suppl 1:66-7. [PMID: 23923852 DOI: 10.1080/10255842.2013.815956] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Biomechanical maturation of joint dynamics during early childhood: updated conclusions. J Biomech 2013; 46:2258-63. [PMID: 23876715 DOI: 10.1016/j.jbiomech.2013.06.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2013] [Revised: 06/17/2013] [Accepted: 06/17/2013] [Indexed: 01/17/2023]
Abstract
Dynamic parameters have been commonly explored to characterize the biomechanical maturation of children's gaits, i.e., age-revealing joint moment and power patterns similar to adult patterns. However, the literature revealed a large disparity of conclusions about maturation depending on the study, which was most likely due to an inappropriate scaling strategy and uncontrolled walking speed. With the first years of independent walking, a large growth in height and a large variability of dimensionless walking speed are observed. Moreover, the dynamic parameters were not well studied during early childhood. In the present study, seventy-five healthy children between 1 and 6 years of age were assessed during gait trials at a self-selected speed. Four hundred and sixty-two gait trials constituting five age groups with comparable dimensionless walking speeds were selected. 3D joint moments and the power of the lower limbs were computed and expressed using a dimensionless scaling strategy (according to body weight, leg length and the acceleration of gravity). Statistical analysis was performed to examine inter-group differences. Based on the current results, we concluded the biomechanical maturation of joint dynamics occurred around an age of 4 years for the ankle and between 6 and 7 years for the knee and the hip. Moreover, age group comparisons seemed more appropriate in young children using both the dimensionless strategy and a similar walking speed. Future investigations will be conducted on an older population (i.e., adding children older than 6 years) to clearly define the status of knee and hip biomechanical maturation.
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Influence of heel height, upper height and sole stiffness on shod walking in young children. FOOTWEAR SCIENCE 2013. [DOI: 10.1080/19424280.2013.799562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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The effect of heparan sulfate application on bone formation during distraction osteogenesis. PLoS One 2013; 8:e56790. [PMID: 23457615 PMCID: PMC3574072 DOI: 10.1371/journal.pone.0056790] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2012] [Accepted: 01/15/2013] [Indexed: 01/01/2023] Open
Abstract
Bone morphogenetic proteins (BMPs) are recognized for their ability to induce bone formation in vivo and in vitro. Their osteogenic and osteoinductive properties are tightly regulated by the secretion of specific BMP antagonists, which have been shown to physically bind and sometimes be blocked by the extracellular proteoglycan heparan sulphate side chains (from hereon referred to as HS). The purpose of this study was to investigate if local application of 5 µg of HS proteoglycan to a bone regenerate site in a mouse model of distraction osteogenesis (DO) can accelerate bone healing and affect the expression of key members of the BMP signaling pathway. DO was performed on the right tibia of 115 adult male wild-type mice. At mid-distraction (day 11), half the group was injected locally with 5 µg of HS, while the other half was injected with saline. The mice were sacrificed at 2 time-points: mid-consolidation (34 days) and full consolidation (51 days). The distracted tibial zone was then collected for analysis by μCT, radiology, biomechanical testing, immunohistochemistry, and histology. While μCT data showed no statistically significant difference in bone formation, the results of biomechanical testing in stiffness and ultimate force were significantly lower in the HS-injected bones at 51 days, compared to controls. Immunohistochemistry results also suggested a decrease in expression of several key members of the BMP signaling pathway at 34 days. Furthermore, wound dehiscence and infection rates were significantly elevated in the HS group compared to the controls, which resulted in a higher rate of euthanasia in the treatment group. Our findings demonstrate that exogenous application of 5 µg of HS in the distracted gap of a murine model had a negative impact on bone and wound healing.
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Foot mechanics during the first six years of independent walking. J Biomech 2011; 44:1321-7. [DOI: 10.1016/j.jbiomech.2011.01.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2010] [Revised: 12/29/2010] [Accepted: 01/05/2011] [Indexed: 10/18/2022]
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[Importance of relay between hospitalization in surgery department and return to home in severely handicapped children]. Arch Pediatr 2010; 17:640-1. [PMID: 20654819 DOI: 10.1016/s0929-693x(10)70037-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Bone metabolism in oxalosis: a single-center study using new imaging techniques and biomarkers. Pediatr Nephrol 2010; 25:1081-9. [PMID: 20213134 DOI: 10.1007/s00467-010-1453-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2009] [Revised: 12/31/2009] [Accepted: 01/05/2010] [Indexed: 11/26/2022]
Abstract
The deposition of calcium oxalate crystals in the kidney and bone is a hallmark of primary hyperoxaluria type 1 (PH1). We report here an evaluation of the bone status of 12 PH1 children based on bone biomarkers [parathyroid hormone, vitamin D, fibroblast growth factor 23 (FGF23)] and radiological assessments (skeletal age, three-dimensional high-resolution peripheral quantitative computed tomography, HR-pQCT) carried out within the framework of a cross-sectional single-center study. The controls consisted of healthy and children with chronic kidney disease already enrolled in local bone and mineral metabolism studies. The mean age (+ or - standard deviation) age of the patients was 99 (+ or - 63) months. Six children suffered from fracture. Bone maturation was accelerated in five patients, four of whom were <5 years. The combination of new imaging techniques and biomarkers highlighted new and unexplained features of PH1: advanced skeletal age in young PH1 patients, increased FGF23 levels and decreased total volumetric bone mineral density with bone microarchitecture alteration.
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Abstract
Pus samples were prospectively collected from patients with Staphylococcus aureus skin infections and tested for Panton-Valentine leukocidin (PVL). PVL was detected at concentrations that were toxic for rabbit skin in all specimens from patients infected with strains harbouring PVL genes.
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[Total hip arthroplasty in patients younger than 30 years old with childhood rheumatic diseases]. REVUE DE CHIRURGIE ORTHOPEDIQUE ET REPARATRICE DE L'APPAREIL MOTEUR 2008; 94 Suppl:S149-S153. [PMID: 18928804 DOI: 10.1016/j.rco.2008.07.263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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[Osteochondral autograft for osteochondritis dissecans of the capitulum in adolescent: report of six cases and review of the literature]. ACTA ACUST UNITED AC 2008; 94:449-55. [PMID: 18774019 DOI: 10.1016/j.rco.2008.03.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/03/2008] [Indexed: 10/22/2022]
Abstract
PURPOSE OF THE STUDY We present the cases of six adolescents (four high-level gymnastics specialists) with osteochondritis dissecans of the capitulum who were treated with an en bloc osteochondral autograft. There are few series of this rare condition reported in the literature. MATERIAL AND METHODS All six patients presented pain over the lateral aspect of the elbow and limited extension; pronosupination was unaffected. Physical examination and plain X-rays enabled the diagnosis of osteochondritis dissecans. Postoperative X-rays confirmed good integration of the bone graft. These patients underwent lateral arthrotomy for curettage and avivement followed by an en bloc grafting. The graft was harvested from the homolateral knee via minimal arthrotomy, from a non-weight-bearing zone of the lateral condyle. RESULTS At three months, complete pain-free range of motion was achieved in four of six patients. Graft integration was confirmed in all six patients on the three months plain X-rays, arthro-CT, or MRI. The four gymnastic specialists resumed their high-level sports activities at one year (at six months for one of them). DISCUSSION Various surgical methods have been proposed. Series reported in the literature, like ours, have been small, with short follow-up. We have observed good results with an en bloc graft, encouraging us to continue with this surgical strategy.
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Abstract
Panton-Valentine Leucocidin (PVL) is associated in the USA with community-acquired meticillin resistant strains of Staphylococcus aureus (CA-MRSA). Bone and joint infection due to such strains appears to be more severe, necessiting longer antibiotic course and various surgical procedure. Our study of 14 PVL positive bone and joint infection, performed in France where PVL is rarely (2/14) associated with meticillin resistance, demonstrates that severity is linked with PVL secretion more than with resistance. Considering PVL associated bone and joint infections as a toxin-mediated disease, prompt diagnosis is needed in order to start specific therapeutic procedures. PVL mediated infection could be evoked in front of severe acute osteomyelitis or arthritis, with radiological abnormalities present in the first days of evolution and with pejorative evolution despite antibiotic treatment. Evolution toward multifocal osteomyelitis and/or multiple abscesses seems to be a major characteristic of such infection. Therapeutic approach should use an association of parenteral antibiotics with at least one molecule active against protein synthesis like Clindamycin, associated with betalactams or Vancomycin in area of high incidence of CA-MRSA. Surgical procedure should be considered whenever focal abscesses of bones or adjacent tissue is detected and should be repeated in most cases.
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Focal fibrocartilaginous dysplasia ("fibrous periosteal inclusion"): an additional series of eleven cases and literature review. J Pediatr Orthop 2007; 27:75-84. [PMID: 17195802 DOI: 10.1097/bpo.0b013e31802b7139] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Focal fibrocartilaginous dysplasia (FFCD) is a benign condition first described in 1985 as a cause of tibia vara. We are reporting on 11 cases. The lesions involved proximal tibia (9 cases), distal femur (1 case), and distal ulna (1 case). We believe that this entity represents a bony anchor preventing natural sliding of the periosteum during growth (an "epiphysiodesis-like" effect). For the tibia, we believe this is the pes anserinus. We are suggesting that this entity be called a "fibrous periostal inclusion." Treatment indications result from this concept: (1) for tibial lesions with a metaphyseal-diaphyseal angle less than 20 degrees observation for 6 to 12 months; (2) if the deformity improves, the tether likely broke spontaneously, and no treatment is required; and (3) curettage early if the deformity worsens. This will be followed by rapid correction into physiological valgus (tibia) and prevent the need for osteotomy. Early curettage for other less common locations is recommended.
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A non-invasive protocol to determine the personalized moment arms of knee and ankle muscles. J Biomech 2006; 40:1776-85. [PMID: 17070817 DOI: 10.1016/j.jbiomech.2006.07.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2005] [Accepted: 07/29/2006] [Indexed: 11/23/2022]
Abstract
One difficulty that comes with predicting muscular forces is the accuracy of experimental data, particularly the assessment of muscle moment arms with respect to each joint rotation axis. This paper presents a non-invasive experimental protocol to obtain the personalized muscle moment arms with respect to the ankle and knee joints. A specific pointer is used by a specialist of lower limb anatomy in order to define the local portion of the line of action of the different muscles closed to the joint on the standing subject's lower limb. With this pointer, the three-dimensional coordinates of several points representing the line of action of 12 ankle and knee muscles are collected by a Motion Analysis system. The collection is done five times by the same operator and one time by two different operators. From this data, the intra and inter operator repeatabilities are tested. Relative (ICC) and absolute (SEM) reliabilities are determined in order to evaluate the intra operator repeatability of this non-invasive protocol. The ICC values obtained are higher than 0.91 for 10 among 12 muscles. The intra operator repeatability is thus confirmed. From the records realized by the two operators, the differences are negligible. Thus, the inter operator repeatability is also confirmed. The moments arms obtained using this non-invasive experimental protocol are compared with those calculated from origin and insertion points reported in the literature, according to the work of Whites, Pierrynowskis and Kepples, respectively. The estimations obtained using the non-invasive experimental protocol are found, for some muscles, more realistic than those calculated using the literature data and are always coherent with the role of the muscles described in anatomical books.
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Abstract
Transverse fractures of the sacrum are exceptional in children. We report a case in a 10-year-old girl. The patient presented an isolated flexion fracture of the sacrum in Denis zone III (transverse "U" fracture) of S1-S2 with neurological signs at the initial examination: sensorial deficit in the perineum and sphincter dysfunction. Treatment consisted in laminectomy and bone resection to relieve compression causing the neurological injury. Orthopedic treatment led to correct bone healing. Outcome was favorable with complete resolution of the neurological deficit and stability at three years. Eight cases of transverse sacral fracture before the age of 18 years have been reported in the literature. The diagnostic elements are similar to those in adults, but can be missed in children who rarely present sacral fracture. The therapeutic approach has varied, both for children and adults. We advocate surgical treatment in the event of neurological complications and orthopedic treatment of stable bone lesions.
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Abstract
We report a case of congenital pseudarthrosis of the forearm associated with neurofibromatosis type 1 which was treated by free vascularized periosteal flap transplant and repeated bone grafting. The young female patient recovered good hand and forearm function. A review of the literature revealed the rare occurrence of this disease (approximately 100 cases reported to date), which probably explains the wide variety of surgical proposals.
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[Screening of congenital dislocation of the hip in the newborn. A systematic and rigorous clinical examination. A restricted use of imaging]. Arch Pediatr 2003; 10:913-26. [PMID: 14550984 DOI: 10.1016/s0929-693x(03)00417-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
(1) Clinical examination of the hips should be systematically performed in the newborn, in order to detect a possible congenital dislocation. This translates into hip joint instability, which can be evidenced by both Ortolani's and Barlow's signs, the latter being more sensitive. Special attention should be paid for abduction range, as limited abduction is a warning sign. (2) Use of imaging, especially sonography will be restricted to specific cases only. It's prescription, technical realization as well as interpretation have to be carefully done, so that it is actually relevant to uncertain or "at risk" situations. (3) Treatment if needed, should be ideally managed by a paediatric orthopaedic surgeon.
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Internal drainage into an Onlay-Roux-en-Y jejunal loop in isolated pancreatic injury with ductal transection: short-term and long-term follow-up in two pediatric cases. Eur J Pediatr Surg 2000; 10:398-401. [PMID: 11215784 DOI: 10.1055/s-2008-1072400] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Two pediatric cases of isolated pancreatic injury treated by internal drainage into an Onlay-Roux-en-Y jejunal loop are reported. The discussion concerns the difficulties of early diagnosis, the importance of endoscopic retrograde cholangiopancreatography (ERCP) in surgery and the reasons for the choice of internal drainage by Onlay-Roux-en-Y jejunal loop in our two cases.
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Unilocular hydatid cyst of the kidney in a child: a diagnostic challenge. Acta Chir Belg 1998; 98:228-30. [PMID: 9830551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
A case of an unilocular renal hydatid cyst in a 10-year-old French girl without any notion of travelling in a foreign country is reported. In children affected by renal echinococcosis, clinical symptoms and physical examination are nonspecific. Among the diagnostic procedures, the role of echography in the assessment of the diagnosis is pointed out.
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Prevention of the crankshaft phenomenon with anterior spinal epiphysiodesis in surgical treatment of severe scoliosis of the younger patient. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 1994; 3:165-8. [PMID: 7866829 DOI: 10.1007/bf02190580] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The aim of this study was to determine whether an anterior approach to the spine with a fusion of the growth centers of the anterior column of the spine, simultaneous by with a posterior fusion and instrumentation of the spine, in young patients with severe scoliosis who have considerable remaining growth, leads to prevention of the crankshaft phenomenon. Twelve patients who have had anterior fusion of the spine associated with posterior fusion and instrumentation of the spine were studied. In 10 of them, growth progression was demonstrated by modification of the Risser sign; for these patients no important progression of the spinal deformity was noted. One patient had no progression of the Risser sign and no progression of spinal deformity. One patient had progression of spinal deformity due to the disruption of the sacral anchorage of instrumentation. We think that this procedure leads to the prevention of the crankshaft phenomenon, and we recommend this procedure in young patients with severe scoliosis and considerable remaining growth. It must include all intervertebral levels of the rigid segment of the curve.
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