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Ankle osteoarthritis

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https://www.readbyqxmd.com/read/28297828/-treatment-of-geriatric-ankle-osteoarthritis-by-arthrodesis-with-screw-fixation-through-lateral-malleolus-osteotomy
#1
W Q Qu, Z H Wang, J Y Zhang, S J Dong, D Wang
Objective: To evaluate the Treatment effect of geriatric ankle osteoarthritis by arthrodesis with screw fixation through lateral malleolus osteotomy. Methods: Thirty-three patients with severe osteoarthritis according to the classification of Takakura-Tanakawere treated by ankle arthrodesis through lateral malleolus osteotomy with screw fixation from January 2010 to June 2015. Twenty-five patients were combined with more than 1 internal diseases. Twenty-six patients owned ankle injury history. Clinical and radiologic evaluations were performed before surgery and at the most recent follow-up...
March 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28293302/3-d-computer-modelling-of-malunited-posterior-malleolar-fractures-effect-of-fragment-size-and-offset-on-ankle-stability-contact-pressure-and-pattern
#2
Teresa Alonso-Rasgado, David Jimenez-Cruz, Michael Karski
BACKGROUND: The positioning of the fracture fragment of a posterior malleolus fracture is critical to healing and a successful outcome as malunion of a posterior malleolar fracture, a condition seen in clinical practice, can affect the dynamics of the ankle joint, cause posterolateral rotational subluxation of the talus and ultimately lead to destruction of the joint. Current consensus is to employ anatomic reduction with internal fixation when the fragment size is larger than 25 to 33% of the tibial plafond...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28276651/realignment-surgery-for-malunited-ankle-fracture
#3
Chang-Jun Guo, Xing-Cheng Li, Mu Hu, Yang Xu, Xiang-Yang Xu
OBJECTIVE: To investigate the characteristics and the results of realignment surgery for the treatment of malunited ankle fracture. METHODS: Thirty-three patients with malunited fractures of the ankle who underwent reconstructive surgery at our hospital from January 2010 to January 2014 were reviewed. The tibial anterior surface angle (TAS), the tibiotalar tilt angle (TTA), the malleolar angle (MA), and the tibial lateral surface angle (TLS) were measured. Clinical assessment was performed with use of the American Orthopaedic Foot and Ankle Society (AOFAS) scale and visual analogue scale (VAS) scores, and the osteoarthritis stage was determined radiographically with the modified Takakura classification system...
March 9, 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28243138/development-and-preliminary-validation-of-the-focused-analgesia-selection-test-to-identify-accurate-pain-reporters
#4
Roi Treister, Thomas A Eaton, Jeremiah J Trudeau, Harrison Elder, Nathaniel P Katz
Clinical trials of analgesics have been plagued with poor assay sensitivity due, in part, to variability in subjects' pain reporting. Herein, we develop and evaluate the focused analgesia selection test (FAST), a method to measure patients' pain reporting skills. Subjects with osteoarthritis of the hip, knee, and/or ankle with pain intensity of ≥3/10 on a 0-10 numerical rating scale were enrolled. Subjects underwent the FAST procedure, which consists of recording subjects' pain reports in response to repeated administration of thermal noxious stimuli of various intensities applied on the arm with the Medoc(®) Thermal Sensory Analyzer II...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28242570/roussouly-s-sagittal-spino-pelvic-morphotypes-as-determinants-of-gait-in-asymptomatic-adult-subjects
#5
Ziad Bakouny, Ayman Assi, Abir Massaad, Elie Saghbini, Virginie Lafage, Wafa Skalli, Ismat Ghanem, Gaby Kreichati
Sagittal alignment is known to greatly vary between asymptomatic adult subjects; however, there are no studies on the possible effect of these differences on gait. The aim of this study is to investigate whether asymptomatic adults with different Roussouly sagittal alignment morphotypes walk differently. Ninety-one asymptomatic young adults (46M & 45W), aged 21.6±2.2years underwent 3D gait analysis and full body biplanar X-rays with three-dimensional (3D) reconstructions of their spines and pelvises and generation of sagittal alignment parameters...
February 22, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28216304/ankle-arthrodesis-a-retrospective-analysis-comparing-single-column-locked-anterior-plating-to-crossed-lag-screw-technique
#6
Mark A Prissel, G Alex Simpson, Sean A Sutphen, Christopher F Hyer, Gregory C Berlet
Ankle arthrodesis is performed to eliminate pain due to end-stage osteoarthritis, regardless of etiology. This procedure remains the reference standard treatment for end-stage ankle arthritis, despite recent advancements in total ankle replacement. The objective of the present study was to retrospectively evaluate the radiographic and clinical fusion rates and time to bony fusion for patients who underwent ankle arthrodesis using an anterior approach with a single column locked plate construct versus crossed lag screws...
February 16, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28209345/multiobjective-optimization-of-cartilage-stress-for-non-invasive-patient-specific-recommendations-of-high-tibial-osteotomy-correction-angle-a-novel-method-to-investigate-alignment-correction
#7
Keke Zheng, Corey J Scholes, Junning Chen, David Parker, Qing Li
Medial opening wedge high tibial osteotomy (MOWHTO) is a surgical procedure to treat knee osteoarthritis associated with varus deformity. However, the ideal final alignment of the Hip-Knee-Ankle (HKA) angle in the frontal plane, that maximizes procedural success and post-operative knee function, remains controversial. Therefore, the purpose of this study was to introduce a subject-specific modeling procedure in determining the biomechanical effects of MOWHTO alignment on tibiofemoral cartilage stress distribution...
February 13, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28202744/a-cross-sectional-analysis-of-radiographic-ankle-osteoarthritis-frequency-and-associated-factors-the-johnston-county-osteoarthritis-project
#8
Shahmeer Lateef, Yvonne M Golightly, Jordan B Renner, Joanne M Jordan, Amanda E Nelson
OBJECTIVE: Because there are no epidemiologic data regarding the frequency of ankle osteoarthritis (OA) in a general population, we sought to analyze this disabling condition in a large, well-characterized, community-based cohort of older individuals. METHODS: Cross-sectional data, including ankle radiographs, were from the most recent data collection (2013-2015) of the Johnston County OA Project. Radiographic ankle OA (rAOA) was defined as a Kellgren-Lawrence arthritis grading scale of ≥ 2 on weight-bearing lateral and mortise radiographs...
February 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28196036/a-prospective-study-of-four-total-ankle-arthroplasty-implants-by-non-designer-investigators
#9
Tina Lefrancois, Alastair Younger, Kevin Wing, Murray J Penner, Peter Dryden, Hubert Wong, Timothy Daniels, Mark Glazebrook
BACKGROUND: There are several types of prostheses available to surgeons when performing a total ankle arthroplasty (TAA). The main objective of this study was to summarize the clinical and functional outcomes of 4 TAA prostheses: the Hintegra implant (Integra LifeSciences), the Agility implant (DePuy), the Mobility implant (DePuy), and the Scandinavian Total Ankle Replacement (STAR) implant (Small Bone Innovations [SBi]). METHODS: Patients were prospectively recruited...
February 15, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28189095/effects-of-toe-out-and-toe-in-gait-with-varying-walking-speeds-on-knee-joint-mechanics-and-lower-limb-energetics
#10
Soobia Saad Khan, Saad Jawaid Khan, Juliana Usman
Toe-out/-in gait has been prescribed in reducing knee joint load to medial knee osteoarthritis patients. This study focused on the effects of toe-out/-in at different walking speeds on first peak knee adduction moment (fKAM), second peak KAM (sKAM), knee adduction angular impulse (KAAI), net mechanical work by lower limb as well as joint-level contribution to the total limb work during level walking. Gait analysis of 20 healthy young adults was done walking at pre-defined normal (1.18m/s), slow (0.85m/s) and fast (1...
March 2017: Gait & Posture
https://www.readbyqxmd.com/read/28182736/comparison-of-clinical-and-radiological-outcomes-between-opening-wedge-and-closing-wedge-high-tibial-osteotomy-a-comprehensive-meta-analysis
#11
Lingfeng Wu, Jun Lin, Zhicheng Jin, Xiaobin Cai, Weiyang Gao
High tibial osteotomy (HTO) has been widely used for clinical treatment of osteoarthritis of the medial compartment of the knee, and both opening-wedge and closing-wedge HTO are the most commonly used methods. However, it remains unclear which technique has better clinical and radiological outcomes in practice. To systematically evaluate this issue, we conducted a comprehensive meta-analysis by pooling all available data for the opening-wedge HTO and closing-wedge HTO techniques from the electronic databases including PubMed, Embase, Wed of Science and Cochrane Library...
2017: PloS One
https://www.readbyqxmd.com/read/28168551/differences-in-type-ii-collagen-turnover-of-osteoarthritic-human-knee-and-ankle-joints
#12
Matthias Aurich, Gunther O Hofmann, Bernd Rolauffs
PURPOSE: We analysed hyaline cartilage of human knee and ankle joints for collagen and proteoglycan turnover in order to find differences in the metabolism and biochemical content of the extracellular matrix that could explain the higher prevalence of osteoarthritis (OA) in the knee joint, compared to the ankle joint. METHODS: Cartilage tissue from ankle and knee joints of OA patients were assessed for total collagen and proteoglycan content. For turnover, the aggrecan 846-epitope (CS 846), the type II collagen C-propeptide (CP2) and the collagenase-generated intrahelical cleavage neoepitope (C2C) were quantified...
February 6, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28164623/decreased-synovial-fluid-%C3%AE-melanocyte-stimulating-hormone-%C3%AE-msh-levels-reflect-disease-severity-in-patients-with-posttraumatic-ankle-osteoarthritis
#13
Guangyu Liu, Yunzhen Chen, Guichun Wang, Jianbing Niu
BACKGROUND: α-Melanocyte-stimulating hormone (α-MSH), an endogenous melanocortin peptide, has been demonstrated to have anti-inflammation effects and protect against cartilage damage. Objective In this study, we aimed to investigate whether α-MSH in ankle joint synovial fluid is associated with the disease severity of posttraumatic ankle osteoarthritis (PTAOA). METHODS: 66 PTAOA patients undergoing ankle arthroscopical debridement or ankle joint replacement were enrolled in the study...
August 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28159036/current-concepts-review-arthroscopic-treatment-of-anterior-ankle-impingement
#14
REVIEW
Keir A Ross, Christopher D Murawski, Niall A Smyth, Ruben Zwiers, Johannes I Wiegerinck, Christiaan J A van Bergen, Cornelis Niek van Dijk, John G Kennedy
Anterior ankle impingement is a common cause of chronic ankle pain, particularly in athletic populations. Morris and McMurray provided the earliest descriptions of anterior impingement, coining the condition as "athlete's ankle" or "footballer's ankle". The pathology has since been a topic of considerable investigation and has been re-termed "anterior ankle impingement syndrome". Treatment with open surgery has provided good results historically, but at the price of significant complications. Advancements in ankle arthroscopy have decreased the risk of complication drastically and evidence in the literature indicates that anterior arthroscopy is an effective approach to treating osseous and soft tissue impingement...
March 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28153419/kinematic-alterations-of-the-lower-limbs-and-pelvis-during-an-ascending-stairs-task-are-associated-with-the-degree-of-knee-osteoarthritis-severity
#15
Glaucia Helena Gonçalves, Luiz Fernando Approbato Selistre, Marina Petrella, Stela Márcia Mattiello
BACKGROUND: Individuals with knee osteoarthritis (OA) generally demonstrate great difficulty in ascending stairs. The strategies and compensations used by these individuals in stair activities have not been fully established. The purpose of this study was to investigate the joint kinematics of the pelvis, hip, knee and ankle throughout the gait cycle, in the sagittal and frontal planes, in individuals with mild and moderate knee OA, during an ascending stairs task. METHODS: Thirty-one individuals with knee OA and 19 controls were subjected to clinical and radiographic analysis, divided into three groups: control, mild knee OA, and moderate knee OA...
January 30, 2017: Knee
https://www.readbyqxmd.com/read/28150871/osteoarthritis-and-joint-replacements-of-the-lower-limb-and-spine-in-ex-professional-soccer-players-a-systematic-review
#16
REVIEW
Monika Lohkamp, Thilo Oliver Kromer, Holger Schmitt
After a professional career as a soccer player, the risk of developing osteoarthritis (OA) in different joints of the spine and lower limb might be increased. The extent of this problem to date is not clear. Therefore, the aim of this systematic review is to summarise the prevalence of OA and joint replacement of the lower limb and spine in former professional soccer players. Relevant databases were searched with different combinations of key words: e.g. osteoarthritis, hip, knee, ankle, foot, joint replacement, soccer...
February 2, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28142266/inflammatory-microenvironment-persists-after-bone-healing-in-intra-articular-ankle-fractures
#17
Samuel B Adams, Elizabeth M Leimer, Lori A Setton, Richard D Bell, Mark E Easley, Janet L Huebner, Thomas V Stabler, Virginia B Kraus, Steven A Olson, Dana L Nettles
BACKGROUND: Post-traumatic osteoarthritis (PTOA) is responsible for the majority of cases of ankle arthritis. While acute and end-stage intra-articular inflammation has previously been described, the state of the joint between fracture healing and end-stage PTOA remains undefined. This study characterized synovial fluid (SF) composition of ankles after bone healing of an intra-articular fracture to identify factors that may contribute to the development of PTOA. METHODS: Of an original 21 patients whose SF was characterized acutely following intra-articular ankle fractures, 7 returned for planned hardware (syndesmotic screw) removal after bone healing (approximately 6 months) and consented to a second bilateral SF collection...
January 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28126027/functional-analysis-of-distraction-arthroplasty-in-the-treatment-of-ankle-osteoarthritis
#18
Hongmou Zhao, Wenqing Qu, Yi Li, Xiaojun Liang, Ning Ning, Yan Zhang, Dong Hu
BACKGROUND: Ankle joint distraction arthroplasty (AJDA) is an alternative surgical procedure for the management of moderate to severe ankle osteoarthritis. However, the benefit of this procedure and failure relative factors are still in debate. The purpose of the current study was to evaluate the functional outcomes of AJDA in treatment of moderate to severe ankle OA and to evaluate the relative factors correlated with treatment failure. METHODS: Forty-six van Dijk stages II and III ankle osteoarthritis patients were included...
January 26, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28120496/effects-of-active-feedback-gait-retraining-to-produce-a-medial-weight-transfer-at-the-foot-in-subjects-with-symptomatic-medial-knee-osteoarthritis
#19
Jennifer C Erhart-Hledik, Jessica L Asay, Caitlin Clancy, Constance R Chu, Thomas P Andriacchi
This study aimed to determine if active feedback gait retraining to produce a medial weight transfer at the foot significantly reduces the knee adduction moment in subjects with medial compartment knee osteoarthritis. Secondarily, changes in peak knee flexion moment, frontal plane knee and ankle kinematics, and center of pressure were investigated. Ten individuals with medial compartment knee osteoarthritis (9 males; age: 65.3 ± 9.8 years; BMI: 27.8 ± 3.0 kg/m(2) ) were tested at self-selected normal and fast speeds in two conditions: Intervention, with an active feedback device attached to the shoe of their more affected leg, and control, with the device de-activated...
January 24, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28120025/the-accuracy-of-a-hand-held-navigation-system-in-total-knee-arthroplasty
#20
Bryan Loh, Jerry Yongqiang Chen, Andy Khye Soon Yew, Hee Nee Pang, Darren Keng Jin Tay, Shi-Lu Chia, Ngai Nung Lo, Seng Jin Yeo
INTRODUCTION: This study aims to evaluate the effectiveness of a new hand-held navigation system. The authors of this study hypothesize that this navigation system will improve overall lower limb alignment and implant placement without causing a delay in surgery. PATIENTS AND METHODS: Two hundred consecutive patients diagnosed with tricompartmental osteoarthritis and underwent total knee arthroplasty by a senior surgeon were included in this study. One hundred patients underwent TKA using the hand-held navigation system, while the other 100 patients underwent TKA using the conventional technique...
January 24, 2017: Archives of Orthopaedic and Trauma Surgery
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