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Ankle osteoarthritis

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https://www.readbyqxmd.com/read/29770878/slight-under-correction-following-total-knee-arthroplasty-for-a-valgus-knee-results-in-similar-clinical-outcomes
#1
Sung-Sahn Lee, Hyeon Lee, Dae-Hee Lee, Young-Wan Moon
BACKGROUND: Restoration of correct coronal alignment is one of the main goals of total knee arthroplasty (TKA). Traditionally, TKA has been considered successful when a neutral mechanical hip-knee-ankle (HKA) axis within 3° is achieved. Recent studies have reported no differences or improved clinical outcomes following a slight under-correction of the HKA axis for a varus knee. However, the influence of under-correction of a valgus knee has not been reported. This study investigated the influence of post-operative HKA alignment in TKA patients with valgus deformity on clinical outcomes...
May 16, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29763429/factors-affecting-femoral-rotational-angle-based-on-the-posterior-condylar-axis-in-gap-based-navigation-assisted-total-knee-arthroplasty-for-valgus-knee
#2
Sung-Sahn Lee, Yong-In Lee, Dong-Uk Kim, Dae-Hee Lee, Young-Wan Moon
BACKGROUND: Achieving proper rotational alignment of the femoral component in total knee arthroplasty (TKA) for valgus knee is challenging because of lateral condylar hypoplasia and lateral cartilage erosion. Gap-based navigation-assisted TKA enables surgeons to determine the angle of femoral component rotation (FCR) based on the posterior condylar axis. This study evaluated the possible factors that affect the rotational alignment of the femoral component based on the posterior condylar axis...
2018: PloS One
https://www.readbyqxmd.com/read/29763267/top-20-research-studies-of-2017-for-primary-care-physicians
#3
Mark H Ebell, Roland Grad
Based on systematic surveillance of more than 110 medical journals, 247 studies met criteria as POEMs (patient-oriented evidence that matters) in 2017. Members of the Canadian Medical Association identified 20 of these POEMs as most relevant to practice. This article reviews the clinical questions and bottom-line answers from these studies. Blood pressure should be measured after a period of rest, using a bare arm, and orthostatic blood pressure is more predictive when measured after one minute of standing rather than three minutes...
May 1, 2018: American Family Physician
https://www.readbyqxmd.com/read/29762541/biomechanical-gait-variable-estimation-using-wearable-sensors-after-unilateral-total-knee-arthroplasty
#4
Ik-Hyun Youn, Jong-Hoon Youn, Joseph A Zeni, Brian A Knarr
Total knee arthroplasty is a common surgical treatment for end-stage osteoarthritis of the knee. The majority of existing studies that have explored the relationship between recovery and gait biomechanics have been conducted in laboratory settings. However, seamless gait parameter monitoring in real-world conditions may provide a better understanding of recovery post-surgery. The purpose of this study was to estimate kinematic and kinetic gait variables using two ankle-worn wearable sensors in individuals after unilateral total knee arthroplasty...
May 15, 2018: Sensors
https://www.readbyqxmd.com/read/29762278/comparison-of-intermediate-to-long-term-outcomes-of-total-ankle-arthroplasty-in-ankles-with-preoperative-varus-valgus-and-neutral-alignment
#5
Gun-Woo Lee, Shao-Hua Wang, Keun-Bae Lee
BACKGROUND: Preoperative ankle coronal malalignment has been considered as a risk factor for poor outcomes and failure after total ankle arthroplasty. The present study evaluated whether intermediate to long-term outcomes of total ankle arthroplasty in ankles with preoperative varus and valgus malalignment (5° to 20°) are comparable with those with neutral alignment (<5°). METHODS: We enrolled 144 consecutive ankles that underwent primary total ankle arthroplasty (140 patients) using a mobile-bearing HINTEGRA prosthesis with a minimum follow-up of 4 years; the mean overall follow-up duration was 89 months (51 to 145 months)...
May 16, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29736568/emerging-concepts-in-treating-cartilage-osteochondral-defects-and-osteoarthritis-of-the-knee-and-ankle
#6
Hélder Pereira, Ibrahim Fatih Cengiz, Carlos Vilela, Pedro L Ripoll, João Espregueira-Mendes, J Miguel Oliveira, Rui L Reis, C Niek van Dijk
The management and treatment of cartilage lesions, osteochondral defects, and osteoarthritis remain a challenge in orthopedics. Moreover, these entities have different behaviors in different joints, such as the knee and the ankle, which have inherent differences in function, biology, and biomechanics. There has been a huge development on the conservative treatment (new technologies including orthobiologics) as well as on the surgical approach. Some surgical development upraises from technical improvements including advanced arthroscopic techniques but also from increased knowledge arriving from basic science research and tissue engineering and regenerative medicine approaches...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29732517/coronal-tibiofemoral-subluxation-is-correlated-to-correction-angle-in-medial-opening-wedge-high-tibial-osteotomy
#7
Hiroyasu Ogawa, Kazu Matsumoto, Haruhiko Akiyama
PURPOSE: This study aimed to analyse the change in coronal tibiofemoral (CTF) subluxation after high tibial osteotomy and to determine demographic variables associated with CTF subluxation. The change in CTF subluxation was hypothesised to be associated with the magnitude of correction of lower limb alignment and medial proximal tibial angle (MPTA). METHODS: A total of 103 consecutive knees in 86 patients who underwent medial opening wedge high tibial osteotomy for symptomatic medial compartment knee osteoarthritis were retrospectively analysed...
May 7, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29715221/concomitant-ankle-osteoarthritis-is-related-to-increased-ankle-pain-and-a-worse-clinical-outcome-following-total-knee-arthroplasty
#8
Chong Bum Chang, Jin Hwa Jeong, Moon Jong Chang, Chan Yoon, Min Kyu Song, Seung-Baik Kang
BACKGROUND: Occasionally, patients experience new or increased ankle pain following total knee arthroplasty (TKA). The aims of this study were to determine (1) how the correction of varus malalignment of the lower limb following TKA affected changes in alignment of the ankle and hindfoot, (2) the difference in changes in alignment of the ankle and hindfoot between patients with and without ankle osteoarthritis (OA), and (3) whether the rate of ankle pain and the clinical outcome following TKA differed between the 2 groups...
May 2, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29713784/limited-evidence-for-adipose-derived-stem-cell-therapy-on-the-treatment-of-osteoarthritis
#9
REVIEW
Eoghan T Hurley, Youichi Yasui, Arianna L Gianakos, Dexter Seow, Yoshiharu Shimozono, Gino M M J Kerkhoffs, John G Kennedy
PURPOSE: The purpose of this systematic review is to evaluate the effects of adipose derived mesenchymal stem cells (ADSCs) in the treatment of osteoarthritis (OA) in the clinical setting. METHODS: A literature search was performed in the MEDLINE, EMBASE, and The Cochrane Library Database up to January 2017 for inclusion and exclusion criteria. Criteria for inclusion were clinical studies demonstrating the effects of ADSCs on OA, and written in English. The following variables were analyzed: donor site, volume of adipose tissue, preparation of ADSCs, clinical outcomes, and complication rate...
April 30, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29708977/population-prevalence-and-distribution-of-ankle-pain-and-symptomatic-radiographic-ankle-osteoarthritis-in-community-dwelling-older-adults-a-systematic-review-and-cross-sectional-study
#10
Charlotte Murray, Michelle Marshall, Trishna Rathod, Catherine J Bowen, Hylton B Menz, Edward Roddy
OBJECTIVES: To identify by systematic review published prevalence estimates of radiographic ankle osteoarthritis (OA) and to subsequently estimate the prevalence of ankle pain and symptomatic, radiographic ankle OA within community-dwelling older adults from North Staffordshire, UK. METHODS: Electronic databases were searched using terms for ankle, osteoarthritis and radiography. Data regarding population, radiographic methods, definitions and prevalence estimates of ankle OA were extracted from papers meeting predetermined selection criteria...
2018: PloS One
https://www.readbyqxmd.com/read/29708573/medial-compartment-decompression-by-proximal-fibular-osteotomy-a-biomechanical-cadaver-study
#11
Todd Baldini, Jesse Roberts, Jiandong Hao, Kenneth Hunt, Michael Dayton, Craig Hogan
Medial compartment knee osteoarthritis is a painful and debilitating disease. A proximal fibular osteotomy is a novel, simple surgical technique that may reduce pain and improve function for patients with osteoarthritis. The purpose of this biomechanical cadaver study was to determine what effect proximal fibular osteotomy had on knee joint and ankle pressures and tibia strain. Ten matched pairs of cadaver legs were tested in compression to 1.1 times body weight comparing intact and with proximal fibular osteotomy at 0°, 15°, and 30° of flexion...
April 27, 2018: Orthopedics
https://www.readbyqxmd.com/read/29703678/using-a-tibial-short-extension-stem-reduces-tibial-component-loosening-after-primary-total-knee-arthroplasty-in-severely-varus-knees-long-term-survival-analysis-with-propensity-score-matching
#12
Min-Ho Park, Seong-Il Bin, Jong-Min Kim, Bum-Sik Lee, Chang-Rack Lee, Young-Hee Kwon
BACKGROUND: Patients with severe preoperative varus deformity have been reported to have high rates of loosening after total knee arthroplasty (TKA), primarily on the tibial side. This study investigated whether a short extension stem for the tibial component in severely varus knees would reduce the failure rate due to loosening on the tibial side. METHODS: Patients who underwent TKA, performed by a single surgeon using a single implant between November 1998 and January 2009, were retrospectively evaluated...
March 30, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29703194/relationship-between-movement-time-and-hip-moment-impulse-in-the-sagittal-plane-during-sit-to-stand-movement-a-combined-experimental-and-computer-simulation-study
#13
Takuma Inai, Tomoya Takabayashi, Mutsuaki Edama, Masayoshi Kubo
BACKGROUND: The association between repetitive hip moment impulse and the progression of hip osteoarthritis is a recently recognized area of study. A sit-to-stand movement is essential for daily life and requires hip extension moment. Although a change in the sit-to-stand movement time may influence the hip moment impulse in the sagittal plane, this effect has not been examined. The purpose of this study was to clarify the relationship between sit-to-stand movement time and hip moment impulse in the sagittal plane...
April 27, 2018: Biomedical Engineering Online
https://www.readbyqxmd.com/read/29698981/partial-hemiresurfacing-of-osteochondral-defects-of-the-talus-surgical-technique-and-preliminary-report-from-four-patient
#14
Sascha Beck, André Busch, Christoph Zilkens, Sebastian Warwas, Marcus Jäger
BACKGROUND: Osteochondral lesions of the medial talus (OLT) frequently lead to chronic ankle pain and osteoarthritis. Arthroscopic debridement, subchondral bone stimulation by drilling, and microfracturing are options for primary therapy in small lesions. In larger lesions, restoration of the talar dome contour seems to be a mandatory course of action. METHODS: In a case series, we followed up four patients being treated with a focal resurfacing prosthetic due to large osteochondral talar lesions...
April 26, 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29698851/transfemoral-amputee-intact-limb-loading-and-compensatory-gait-mechanics-during-down-slope-ambulation-and-the-effect-of-prosthetic-knee-mechanisms
#15
David C Morgenroth, Michelle Roland, Alison L Pruziner, Joseph M Czerniecki
BACKGROUND: Intact limb knee osteoarthritis is a prevalent secondary disability in transfemoral amputees. Walking down a ramp may increase this risk due to excessive limb loading. We sought to determine whether intact limb loading differed between transfemoral amputees and controls during down slope ambulation, and the compensatory strategies transfemoral amputees used to modify intact limb loading. Secondarily, we sought to determine the effect of prosthetic knee type. METHODS: Five unilateral transfemoral amputees and five non-amputee controls walked down a ramp and the following outcome measures were compared between amputees and controls and across prosthetic knee type (C-leg versus Power Knee): step length, walking speed, leading limb ground reaction forces, and trailing and leading limb ankle and knee energy absorption...
April 12, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29696322/-minimally-invasive-cheilectomy
#16
REVIEW
M Walther, P Chomej, S Kriegelstein, S Altenberger, A Röser
OBJECTIVES: Treatment of hallux rigidus by minimally invasive resection of the dorsal osteophytes, synovectomy and resection of the dorsal part of the metatarsal head. INDICATIONS: Hallux rigidus grades II and III CONTRAINDICATIONS: End-stage osteoarthritis of the first metatarsophalangeal joint with beginning ankylosis. SURGICAL TECHNIQUE: Osteophytes around the metatarsophalangeal joint are removed using a 1 cm incision dorsomedial, approximately 3 cm proximal of the joint space...
April 25, 2018: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/29696318/microfracture-provides-better-clinical-results-than-debridement-in-the-treatment-of-acute-talar-osteochondral-lesions-using-arthroscopic-assisted-fixation-of-acute-ankle-fractures
#17
Altuğ Duramaz, Emre Baca
PURPOSE: Ankle arthroscopy is a useful tool for detection and treatment of accompanying intraarticular pathologies in acute ankle fractures. The purpose of this study was to compare the treatment results of talus osteochondral lesions (OLT) with debridement and microfracture in arthroscopy assisted surgery of acute ankle fractures. METHODS: Eleven consecutive patients who were treated with arthroscopic acute debridement and 14 consecutive patients who were treated with arthroscopic acute microfracture in the treatment of ankle fracture were included in the study...
April 25, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29671497/osteoarthritis-rapid-evidence-review
#18
Mark H Ebell
Osteoarthritis (OA) should be suspected in patients with pain in the fingers, shoulders, hips, knees, or ankles, especially if they are older than 40 years. Patients older than 50 years who have joint pain, minimal morning stiffness, and functional impairment likely have OA. Radiography can confirm the diagnosis and may be helpful before surgical referral, but findings generally do not correlate well with symptoms. Exercise, physical therapy, knee taping, and tai chi are beneficial for knee OA. Medical therapy provides modest benefits in pain reduction and functional improvement; however, nonsteroidal anti-inflammatory drugs, tramadol, and other opioids have significant potential harms...
April 15, 2018: American Family Physician
https://www.readbyqxmd.com/read/29667844/lower-extremity-biomechanics-during-a-drop-vertical-jump-in-participants-with-or-without-chronic-ankle-instability
#19
C Collin Herb, Kaitlyn Grossman, Mark A Feger, Luke Donovan, Jay Hertel
CONTEXT:   Chronic ankle instability (CAI) is a condition characterized by range-of-motion, neuromuscular, and postural-control deficits and subjective disability, reinjury, and posttraumatic osteoarthritis. Differences have been reported in kinematics, kinetics, surface electromyography (EMG), and ground reaction forces during functional tasks performed by those with CAI. These measures are often collected independently, and the research on collecting measures simultaneously during a movement task is limited...
April 18, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29663012/medial-joint-line-elevation-of-the-tibia-measured-during-surgery-has-a-significant-correlation-with-the-limb-alignment-changes-following-medial-unicompartmental-knee-arthroplasty
#20
Yuichi Kuroda, Koji Takayama, Kazunari Ishida, Shinya Hayashi, Shingo Hashimoto, Masanori Tsubosaka, Takehiko Matsushita, Takahiro Niikura, Kotaro Nishida, Ryosuke Kuroda, Tomoyuki Matsumoto
PURPOSE: This study aimed to determine the correlation between the change in joint line height calculated from the resected bone and insert thickness during surgery and the change in limb alignment following unicompartmental knee arthroplasty (UKA). It was hypothesized that joint line elevation is correlated with the change in limb alignment. METHODS: A total of 74 consecutive patients diagnosed with either isolated medial compartmental osteoarthritis (38 patients) or spontaneous osteonecrosis of the knee (36 patients) were included...
April 16, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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