keyword
https://read.qxmd.com/read/38299066/chronic-knee-pain-following-infrapatellar-suprapatellar-magnetic-intramedullary-lengthening-nails-versus-external-fixators-in-limb-length-discrepancy-a-retrospective-review
#21
JOURNAL ARTICLE
Larysa P Hlukha, Oliver C Sax, Kyle A Kowalewski, Sandeep S Bains, Jeremy Dubin, John E Herzenberg, Michael J Assayag, Philip K McClure
AIMS & OBJECTIVES: Prior to the popularization of magnetic intramedullary nails (MILNs), gradual deformity correction using external fixation was the norm in limb lengthening. Trauma literature has shown MILN via a suprapatellar approach (SP) to be associated with less knee pain than either an infrapatellar entry (IP) or external fixation. Yet, no research has investigated chronic knee pain and MILNs. We assessed differences in chronic knee pain following lengthening via an IP or SP approach with an MILN versus external fixation...
May 2024: Journal of Orthopaedics
https://read.qxmd.com/read/38286938/muscle-tendon-unit-length-measurement-using-3d-ultrasound-in-passive-conditions-opensim-validation-and-development-of-personalized-models
#22
JOURNAL ARTICLE
Hugo Guenanten, Maëva Retailleau, Sylvain Dorel, Aurélie Sarcher, Floren Colloud, Antoine Nordez
This study investigated the validity of using OpenSim to measure muscle-tendon unit (MTU) length of the bi-articular lower limb muscles in several postures (shortened, lengthened, a combination of shortened and lengthened involving both joints, neutral and standing) using 3D freehand ultrasound (US), and to propose new personalized models. MTU length was measured on 14 participants and 6 bi-articular muscles (semimembranosus SM, semitendinosus ST, biceps femoris BF, rectus femoris RF, gastrocnemius medialis GM and gastrocnemius lateralis GL), considering 5 to 6 postures...
January 29, 2024: Annals of Biomedical Engineering
https://read.qxmd.com/read/38284144/is-human-height-based-on-a-lucas-sequence-relationship-between-the-foot-height-tibial-length-femur-length-and-upper-body-length
#23
JOURNAL ARTICLE
Dror Paley, Sahra Sutaria, Daelan Pinsky, Darin Roberts, Craig Robbins
This is a retrospective chart and radiographic review of 145 patients who underwent full-body EOS imaging; 109 males and 36 females. The mean ages of the female and male subsets are 28.8 (SD = 11.6) years and 29.5 (SD = 11.8) years, respectively. The sum of the foot height (Ft) and the tibial length (T) for each subject was compared to their femur length (Fe). Subsequently, the sum of the tibial (T) and femoral lengths (Fe) were compared to their respective upper body lengths (UB), as measured from the tops of the femoral heads...
January 29, 2024: Journal of Anatomy
https://read.qxmd.com/read/38265860/quality-of-life-in-children-with-achondroplasia-undergoing-paired-limb-lengthening-with-an-external-fixator-and-modified-distraction-control-observational-nonrandomized-study
#24
JOURNAL ARTICLE
Vitaliy Trofimchuk, Bolatbek Dossanov, Vassiliy Lozovoy, Sergey Khmyzov, Assem Dossanova, Aleksandr Angelov, Andrey Pashenko, Olzhas Zhukenov
BACKGROUND: Transosseous distraction osteosynthesis is prioritized in orthopedic care for children with achondroplasia. However, difficulties encountered during treatment and rehabilitation directly impact patients' quality of life. Using rod external fixators within a semicircular frame for osteosynthesis is less traumatic compared to spoke circular devices. Their straightforward assembly and mounting on the limb segment can help significantly reduce treatment duration, thereby improving children's quality of life during treatment and rehabilitation...
January 24, 2024: JMIR Rehabilitation and Assistive Technologies
https://read.qxmd.com/read/38255388/-superhip-reconstruction-treatment-in-patients-with-congenital-femoral-deficiency-of-paley-s-classification-type-1b
#25
JOURNAL ARTICLE
Francisco Hélio Violante Júnior, Fernando Farcetta Júnior, Douglas Manuel Carrapeiro Prina, Monica Paschoal Nogueira
BACKGROUND: Congenital femoral deficiency (CFD) is a challenging and complex condition that causes limb lengthening. We focused on the clinical and radiographic results of SUPERhip procedures in patients with congenital femoral deficiency type 1b, according to Paley's classification, prior to femoral lengthening. METHODS: We reviewed all records and radiographs of patients who underwent this procedure between 2005 and 2020. We included 26 patients, with clinical and radiographic assessments performed during pre- and post-operative evaluations...
January 9, 2024: Children
https://read.qxmd.com/read/38196500/surgical-management-of-charcot-foot-the-advancements-over-the-past-decade
#26
JOURNAL ARTICLE
Omeair Khan, Meghana Kavarthapu, Michael Edmonds, Venu Kavarthapu
Charcot neuroarthropathy is a progressive, destructive condition leading to deformity, dysfunction and, in some cases, amputation. Much evolution has occurred over the last couple of decades in the management of Charcot foot with a focus on developing limb salvage and reconstructive techniques. The aim has been to achieve a stable plantigrade foot that remains pain and ulcer-free whilst reducing amputation rates. Soft tissue and bony reconstructions have been explored, and various modalities of fixation, including internal, external, and combined techniques, have been described and their outcomes published...
December 2023: Journal of Clinical Orthopaedics and Trauma
https://read.qxmd.com/read/38195250/unique-case-study-impact-of-single-session-neuromuscular-biofeedback-on-motor-unit-properties-following-12%C3%A2-days-of-achilles-tendon-surgical-repair
#27
Carlos De la Fuente, Rony Silvestre, Julio Botello, Alejandro Neira, Macarena Soldan, Felipe P Carpes
We explored the first evidence of a single-session neuromuscular biofeedback effect on motor unit properties, neuromuscular activation, and the Achilles tendon (AT) length 12 days after undergoing AT surgical repair. We hypothesized that immediate neuromuscular biofeedback enhances motor unit properties and activation without causing AT lengthening. After 12 days AT surgical repair, Medial Gastrocnemius (MG) motor unit decomposition was performed on a 58-year-old male before and after a neuromuscular biofeedback intervention (surface electromyography (sEMG) and ultrasonography), involving unressited plantar flexion...
January 2024: Physiological Reports
https://read.qxmd.com/read/38185515/osteoarthritis-of-the-coxofemoral-joint-in-24-horses-evaluation-of-radiography-ultrasonography-intra-articular-anaesthesia-treatment-and-outcome
#28
JOURNAL ARTICLE
Fay J Sauer, Maren Hellige, Andreas Beineke, Florian Geburek
BACKGROUND: Few case reports describe equine coxofemoral joint osteoarthritis (CFJOA). OBJECTIVES: To evaluate diagnostic findings and outcome of horses with CFJOA and to provide a score facilitating radiographic assessment. STUDY DESIGN: Retrospective case series. METHODS: History, clinical signs, ultrasonographic, radiographic and intra-articular anaesthesia findings, treatments, outcome, and necropsy results of horses with CFJOA presented between 2002 and 2023 were collated...
January 7, 2024: Equine Veterinary Journal
https://read.qxmd.com/read/38184715/an-innovative-staged-prosthetic-lengthening-reconstruction-strategy-for-osteosarcoma-related-leg-discrepancy
#29
JOURNAL ARTICLE
Hairong Xu, Yuan Li, Feng Yu, Weifeng Liu, Lin Hao, Qing Zhang, Xiaohui Niu
Correction of leg length discrepancy (LLD) in skeletally mature patients with osteosarcoma was rarely reported and quite challenging. This study aimed to propose a treatment strategy of staged lengthening and reconstruction with a standard static prosthesis to address LLD and restore limb function. It also evaluated the effectiveness of the strategy in terms of leg lengthening, functional outcomes, and complications. The strategy for lengthening included three stages. In stage 1, the previous prosthesis was removed and an external fixator with a temporary rod-cement spacer was placed...
January 6, 2024: Scientific Reports
https://read.qxmd.com/read/38179434/comparative-analysis-of-free-vascularized-fibula-grafting-and-ilizarov-bone-transport-in-management-of-segmental-long-bone-defect-of-the-lower-limb-a-systematic-review-and-meta-analysis
#30
REVIEW
Souvik Paul, Madhubari Vathulya, Pankaj Kandwal, Manish Jagtap, Ridima Behl
INTRODUCTION: Reconstruction of segmental defects of long bones is a daunting task for surgeons. Bone transport with the help of Illizarov external fixator and vascularized free fibula flap are some of the most discussed and valid options for the same. Both techniques have their limitations and overlapping indications. However, there has been no objective evidence in the manner of a systematic review supporting one treatment method over the other. AIM: This systemic review is aimed to compare the bony union, functional outcomes, and complications of Illizarov bone lengthening and free fibula flap performed for segmental bone defects of long bones of the leg...
April 2024: Journal of Orthopaedics
https://read.qxmd.com/read/38156624/the-impact-of-operative-correction-of-equinus-in-cerebral-palsy-on-gait-patterns
#31
JOURNAL ARTICLE
Axel Horsch, Lara Petzinger, Julian Deisenhofer, Maher Ghandour, Matthias Klotz, Tobias Renkawitz, Cornelia Putz
BACKGROUND: This study aimed to evaluate gait outcomes and strength following the surgical correction of equinus in cerebral palsy (CP) based on different surgical procedures. We included the Baumann and Strayer procedures, as well as the Achilles tendon lengthening (ATL). METHODS: A retrospective analysis was performed in patients with infantile, bilateral CP who received instrumental 3D gait analysis before and after surgical correction (18.66 months postoperatively)...
December 29, 2023: Foot & Ankle International
https://read.qxmd.com/read/38143138/precice-nail-for-the-management-of-posttraumatic-bone-defects-with-nonunion-or-malunion-experience-from-a-latin-american-center
#32
JOURNAL ARTICLE
Mauricio Zuluaga, Federico Pérsico, Juan Medina, Federico Reina, Nicolas Jiménez, Fernando Benedetti
BACKGROUND: To evaluate the clinical outcomes using the PRECICE magnetic limb lengthening intramedullary nail for the correction of lower limb length discrepancies (LLD) in adults with posttraumatic nonunion or malunion defects in a Latin American center. METHODS: A retrospective review of 25 adult patients with LLD associated with posttraumatic nonunion or malunion defects of femur or tibia treated with the PRECICE nail between January 2018 and December 2020. The primary outcomes considered were lengthening length achieved in mm, incidence of complications and quality of life (EQ-5D-3 L questionnaire)...
November 2023: Injury
https://read.qxmd.com/read/38106121/computational-demonstration-of-a-spinal-circuit-that-modulates-%C3%AE-mn-activity-via-an-%C3%AE-mn-collateral-mitigates-the-inevitable-disruptions-from-velocity-dependent-stretch-reflexes-during-voluntary-movements
#33
Grace Niyo, Lama I Almofeez, Andrew Erwin, Francisco J Valero-Cuevas
UNLABELLED: The primary motor cortex does not uniquely or directly produce α -MN drive to muscles during voluntary movement. Rather, α -MN drive emerges from the synthesis and competition among excitatory and inhibitory inputs from multiple descending tracts, spinal interneurons, sensory inputs, and proprioceptive afferents. One such fundamental input are velocity-dependent stretch reflexes in lengthening (antagonist) muscles, which the shortening (agonist) muscles are thought to inhibit to allow voluntary movement...
December 10, 2023: bioRxiv
https://read.qxmd.com/read/38099082/first-clinical-case-of-ilizarov-femur-lengthening-over-a-bioactive-and-degradable-intramedullary-implant
#34
Arnold Popkov, Sergei Tverdokhlebov, Sergei Muradisinov, Dmitry Popkov
INTRODUCTION: The Ilizarov distraction osteogenesis is a recognized method of limb lengthening in orthopaedic practice. Its most challenging problems are long duration of external fixation and related pin-tract infection and joint contractures. The solution might be the use of a bioactive degradable intramedullary implant stimulating bone healing. Case Presentation . We present a case of a 14-year-old boy with 6 cm posttraumatic shortening of the femur and associated varus deformity of 20 degrees...
2023: Case Reports in Orthopedics
https://read.qxmd.com/read/38091584/proximal-tibial-recurvatum-valgus-analysis-and-treatment
#35
JOURNAL ARTICLE
Andrew G Georgiadis, Nickolas J Nahm, Mark T Dahl
Genu recurvatum-valgus arises from the proximal tibia and poses challenges in its treatment. The etiology of the combined deformities can include physeal trauma (often unrecognized), iatrogenic injury, infection, tumor, Osgood-Schlatter syndrome, skeletal dysplasia, and ligamentous laxity. Both osseous and ligamentous contributions must be recognized for successful treatment. A graphical planning method identifies the true (oblique) plane of deformity. Surgical treatment options include epiphysiodesis to prevent progressive deformity, guided growth, opening-wedge proximal tibial osteotomy, and gradual correction with concomitant limb lengthening using external fixation or motorized internal lengthening...
December 8, 2023: Journal of the American Academy of Orthopaedic Surgeons
https://read.qxmd.com/read/38090910/reconstruction-of-bony-defects-with-motorized-intramedullary-nails-after-tumor-resection
#36
JOURNAL ARTICLE
Lee M Zuckerman, Valerae O Lewis, Daniel E Prince, Michael D Neel
Motorized intramedullary lengthening nails allow for transport of a bone segment for limb lengthening, deformity correction, healing of nonunion, and intercalary distraction osteogenesis. Resection of tumors involving the bone can result in substantial defects that require reconstruction. Use of these nails allows for a biologic reconstruction with the incorporation of allograft or by distraction osteogenesis. Limb lengthening after an internal hemipelvectomy where the hip joint is resected can be performed to improve gait, decrease pain, and prevent the need for a custom shoe or shoe lift...
2024: Instructional Course Lectures
https://read.qxmd.com/read/38075459/articulated-lengthening-fixation-apparatus-alfa-for-the-management-of-gap-non-union-of-distal-femur-initial-experience-on-a-new-technique
#37
JOURNAL ARTICLE
Sunit Vardhan, Anil Regmi, Bishwa Bandhu Niraula, Bom Bahadur Kunwar, Vikas Olkha, Mohit Dhingra
PURPOSE: Distal femur non-union is difficult to deal with because of limited or no bone stock left for holding pins. Also, knee range of motion is a major concern in case of distal femur non-union to deal with. ALFA is a new modality of definitive external fixator with limited literatures. This paper aims to present the series of cases of gap non-union of the distal femur managed with an ALFA fixator and their outcome as an initial experience on a new device. METHODS: Eight patients of gap non-union distal femurs where the ALFA fixator application was done between January 2022 to June 2022 were evaluated...
March 2024: Journal of Orthopaedics
https://read.qxmd.com/read/38074009/the-effectiveness-of-physical-therapy-intervention-in-a-seven-year-old-child-with-congenital-talipes-equinovarus-a-case-report
#38
Spandan Munjewar, Kamya J Somaiya, Manali A Boob, Pratik Phansopkar
Congenital talipes equinovarus (CTEV), a prevalent congenital anomaly, is characterized by the backward bending of the hindfoot, the inward turning of the midfoot, and the turning or tilting of the front foot. The likelihood of experiencing clubfoot is higher in males and among firstborn offspring. Both genetic and environmental elements are recognized as factors that play a role in the occurrence of this developmental irregularity. It is diagnosed clinically because the abnormality has been visible since childhood, where one or both feet point downward and inward...
November 2023: Curēus
https://read.qxmd.com/read/38073918/comprehensive-rehabilitation-of-charcot-foot-with-equinovarus-deformity-a-case-report
#39
Neha M Chitlange, Sakshi Padmawar, Pratik Phansopkar
Charcot neuroarthropathy is the destruction of the bones and joints caused by underlying neuropathy, trauma, and disturbances in bone metabolism. Modern health care and surgical options now include limb salvage. An acquired or congenital foot deformity is the equinovarus deformity, also known as clubfoot or talipes equinovarus. The foot is fixed in plantarflexion (equinus), deviates toward its center (varus), and is rotated upward so that it rests on its outside (supination) in this condition. In another way, the foot turns axially outward while pointing downward and inward...
November 2023: Curēus
https://read.qxmd.com/read/38070733/limb-length-change-after-total-knee-arthroplasty-for-valgus-deformity-does-not-affect-the-clinical-score-and-is-not-affected-by-fixed-flexion-deformity
#40
JOURNAL ARTICLE
Sung-Mok Oh, Seong-Il Bin, Jong-Min Kim, Bum-Sik Lee, Jongjin Lee, Kinam Bae
BACKGROUND: The limb length change (LLC) after total knee arthroplasty (TKA) is especially significant in valgus deformity. The higher LLC could cause higher incidences of lower limb length discrepancy (LLD) and low clinical score. However, studies about LLC after TKA for valgus deformity are limited, and there are none on the relationship between LLC and fixed flexion deformity (FFD) in valgus deformity. HYPOTHESIS: (1) The amount of LLC would affect the postoperative LLD, (2) the improvement of fixed flexion deformity (FFD) would affect the amount of LLC, (3) The amount of LLC would affect the improvement in the clinical score after TKA for valgus deformity...
December 7, 2023: Orthopaedics & Traumatology, Surgery & Research: OTSR
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