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https://www.readbyqxmd.com/read/28444407/-aseptic-loosening-of-total-ankle-replacement-and-conversion-to-ankle-arthrodesis
#1
M D Wimmer, M Hettchen, M M Ploeger, B Hintermann, D C Wirtz, A Barg
OBJECTIVE: To remove loosened prosthesis components, to perform augmentation, to address osseous defects, to perform neutrally aligned ankle arthrodesis, and to achieve postoperative pain relief. INDICATIONS: Symptomatic, aseptic loosening of total ankle replacement (TAR) with/without substantial bone defect of the tibial and/or talar bone stock. CONTRAINDICATIONS: General surgical or anesthesiological risks, periprosthetic infection, local or systemic infection, nonmanageable soft tissue problems...
April 25, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28442600/effect-of-rivaroxaban-on-preventing-deep-vein-thrombosis-in-aged-diabetics-with-femoral-neck-fractures-after-hip-replacement
#2
Yi-Min Zhang, Xin Jiang, Yan-Shan Sun
This study estimates the effect of rivaroxaban on preventing deep-vein thrombosis (DVT) in aged diabetics with femoral neck fractures after hip replacement. Our study was composed of 236 aged diabetics with femoral neck fractures, which were divided into the rivaroxaban and control groups. Reaction time (R time), clot formation time (K time), alpha angle (α), maximum amplitude (MA), clot elasticity (G) and coagulation index (CI), prothrombin time (PT) and activated partial thromboplastin time (APTT) were measured...
April 25, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28442207/tibio-talo-calcaneal-fusion-after-limb-salvage-procedures-a-retrospective-study
#3
Lukas Zak, Gerald E Wozasek
BACKGROUND: The treatment of limb threatening trauma on the distal tibia or hindfoot often results in posttraumatic osteoarthritis requiring tibiotalocalcaneal (TTC) arthrodesis. The purpose of this study was to present a case series of patients undergoing various techniques of joint fusion after bone reconstruction and deformity correction as a salvage procedure. The study should help trauma surgeons making decisions in limb salvage and deformity correction in complex lower leg and foot injuries by presenting options and treatment strategies...
April 15, 2017: Injury
https://www.readbyqxmd.com/read/28425054/can-a-three-component-prosthesis-be-used-for-conversion-of-painful-ankle-arthrodesis-to-total-ankle-replacement
#4
Markus Preis, Travis Bailey, Lucas S Marchand, Alexej Barg
BACKGROUND: In patients with painful ankle arthrodesis, the surgical treatment is challenging, and may include takedown of ankle arthrodesis and conversion to a total ankle replacement (TAR). This procedure is technically demanding given the altered anatomy after arthrodesis. Few studies have evaluated TAR in the setting of prior arthrodesis. QUESTIONS/PURPOSES: (1) What intraoperative and perioperative complications were observed in patients who underwent conversion of an ankle arthrodesis to a TAR? (2) Was durable fixation achieved at short term, and what was the alignment of the components? (3) What subsequent surgical procedures were performed, including revisions? (4) What improvements were observed in pain, tibiotalar range of motion (ROM), and quality of life? METHODS: Between January 2007 and December 2014, 18 patients with a painful ankle arthrodesis underwent conversion to TAR at our tertiary referral center...
April 19, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28423941/guide-pin-placement-technique-for-total-ankle-replacement-in-patients-who-had-ipsilateral-total-knee-arthroplasty
#5
Natalie Hua, Aprajita Nakra, Jerome K Steck
We describe a simple technique for guide pin placement for total ankle replacement in patients who underwent previous ipsilateral total knee arthroplasty. LEVELS OF EVIDENCE: Level V.
April 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28405708/-supramalleolar-osteotomy-in-asymmetric-ankle-osteoarthritis-short-term-clinical-and-radiographic-results
#6
A Barg, M Wiewiorski, J Paul, M Wurm, M Jacxsens, K Nykytina, V Valderrabano
BACKGROUND: The main indication for the supramalleolar osteotomy is asymmetric ankle osteoarthritis with concomitant supramalleolar valgus or varus deformity. The aim of this prospective study was to analyze short-term clinical and radiographic outcomes in patients with asymmetric ankle osteoarthritis. METHODS: A total of 16 patients with asymmetric ankle osteoarthritis and concomitant supramalleolar deformity - 7 patients with valgus deformity, 9 patients with varus deformity - were treated...
April 12, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28377392/effects-of-testosterone-and-evoked-resistance-exercise-after-spinal-cord-injury-terex-sci-study-protocol-for-a-randomised-controlled-trial
#7
Ashraf S Gorgey, Refka E Khalil, Ranjodh Gill, Laura C O'Brien, Timothy Lavis, Teodoro Castillo, David X Cifu, Jeannie Savas, Rehan Khan, Christopher Cardozo, Edward J Lesnefsky, David R Gater, Robert A Adler
INTRODUCTION: Individuals with spinal cord injury (SCI) are at a lifelong risk of obesity and chronic metabolic disorders including insulin resistance and dyslipidemia. Within a few weeks of injury, there is a significant decline in whole body fat-free mass, particularly lower extremity skeletal muscle mass, and subsequent increase in fat mass (FM). This is accompanied by a decrease in anabolic hormones including testosterone. Testosterone replacement therapy (TRT) has been shown to increase skeletal muscle mass and improve metabolic profile...
April 4, 2017: BMJ Open
https://www.readbyqxmd.com/read/28375890/ratio-of-range-of-motion-of-the-ankle-and-surrounding-joints-after-total-ankle-replacement-a-radiographic-cohort-study
#8
Travis J Dekker, Kamran S Hamid, Mark E Easley, James K DeOrio, James A Nunley, Samuel B Adams
BACKGROUND: This study attempted to identify where motion occurs after total ankle replacement, the difference in range-of-motion contributions between fixed-bearing and mobile-bearing total ankle replacements, and the contribution of abnormal peritalar motion. We hypothesized that sagittal plane radiographic assessment would demonstrate that actual ankle motion through the prosthesis is less than the total arc of ankle motion that may be observed clinically secondary to contributions from adjacent joints...
April 5, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28371501/therapeutic-outcomes-of-kalix-ii-in-treating-juvenile-flexible-flatfoot
#9
Le Cao, Xu-Dong Miao, Yong-Ping Wu, Xiang-Feng Zhang, Qiang Zhang
OBJECTIVES: To evaluate the therapeutic outcomes with Kalix II subtalar arthroereisis in sinus tarsi for juvenile flexible flatfoot. METHODS: A retrospective analysis of the data of 20 juveniles with symptomatic flexible flatfoot (27 feet) who underwent the Kalix II implant procedure from January 2008 to September 2012 was performed. The pain during daily activities was assessed and followed up by use of a standard 10-point visual analog scale (VAS), and function was evaluated using the American Orthopaedic Foot and Ankle Society (AOFAS) ankle and hindfoot scoring system, and anteroposterior talar-first metatarsal angle, lateral talar-first metatarsal angle, calcaneal pitch angle, and talar declination angle at X-ray film were measured to assess the therapeutic outcomes...
February 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28367694/long-term-follow-up-of-arthrodesis-vs-total-joint-arthroplasty-for-hallux-rigidus
#10
Oliver D Stone, Robbie Ray, Colin E Thomson, J N Alastair Gibson
BACKGROUND: The optimal operative management of hallux rigidus is still a matter for debate among surgeons. Despite arthrodesis widely considered to be the gold standard treatment, many surgeons advocate arthroplasty as a suitable alternative. There are, however, few long-term or high-quality studies evaluating these modalities. We present the 15-year follow-up of a randomized controlled trial. METHODS: This data is the follow-up to the original study published in 2005...
April 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28367692/operative-wound-complications-following-total-ankle-arthroplasty
#11
Christopher E Gross, Kamran S Hamid, Cynthia Green, Mark E Easley, James K DeOrio, James A Nunley
BACKGROUND: Wound complications following total ankle replacement (TAR) potentially lead to devastating consequences. The aim of this study was to compare the operative and demographic differences in patients with and without major wound problems which required operative management. We hypothesized that increased tourniquet and operative time would negatively influence wound healing. METHODS: We identified a consecutive series of 762 primary TARs performed between December 1999 and April 2014 whose data were prospectively collected...
April 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28367690/histological-analysis-of-early-osteolysis-in-total-ankle-arthroplasty
#12
Oliver N Schipper, Steven L Haddad, Peter Pytel, Ying Zhou
BACKGROUND: The purpose of this study was to perform a histological comparative analysis of tibiotalar joint samples taken from areas of osteolysis adjacent to total ankle arthroplasties vs control synovial specimens to determine the reaction to and presence of polyethylene (PE) particles. METHODS: A total of 57 pathology samples were identified in the osteolysis group, while 11 were identified in the control group. For each sample, hematoxylin and eosin, Oil Red O (ORO), and macrophage marker CD163-stained slides were created...
April 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28361015/development-of-an-internally-braced-prosthesis-for-total-talus-replacement
#13
Markus Regauer, Mirjam Lange, Kevin Soldan, Steffen Peyerl, Sebastian Baumbach, Wolfgang Böcker, Hans Polzer
Total loss of talus due to trauma or avascular necrosis, for example, still remains to be a major challenge in foot and ankle surgery with severely limited treatment options. Implantation of a custom made total talar prosthesis has shown promising results so far. Most important factors for long time success are degree of congruence of articular surfaces and ligamentous stability of the ankle. Therefore, our aim was to develop an optimized custom made prosthesis for total talus replacement providing a high level of primary stability...
March 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28358975/age-related-outcome-of-mobile-bearing-total-ankle-replacement
#14
Federico G Usuelli, Camilla Maccario, Riccardo D'Ambrosi, Michele F Surace, Ettore Vulcano
The aim of this study was to investigate clinical and radiographic outcomes in patients 50 years and younger vs patients older than 50 years undergoing total ankle replacement. Seventy consecutive patients who underwent primary total ankle replacement were included in this retrospective study. Patients were assessed clinically and radiographically. There was a statistically significant difference between the 2 groups for the American Orthopaedic Foot & Ankle Society score at final follow-up. The younger group had significantly greater improvement compared with the older group...
March 30, 2017: Orthopedics
https://www.readbyqxmd.com/read/28306191/biomechanical-markers-and-theoretical-concepts-related-to-haemophilic-ankle-and-subtalar-joint-arthropathy-introducing-the-term-haemophilic-tarsal-pan-arthropathy
#15
REVIEW
S Lobet, A McCarthy, C Hermans, K Peerlinck, G A Matricali, F Staes, K Deschamps
BACKGROUND: Although regular factor replacement can reduce the incidence of joint bleeds and slow down the development of haemophilic arthropathy, the ankle joint remains particularly vulnerable even in children with haemophilia on primary or secondary prophylaxis and is now the primary joint affected. The heterogeneity in the pathoaetiology of haemophilic ankle arthropathy means that the functional consequences of early stage of ankle arthropathy are difficult to define as early morphological and structural changes can be observed in clinically asymptomatic ankles...
March 17, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28306181/total-ankle-replacement-in-patients-with-haemophilic-arthropathy-primary-arthroplasty-and-conversion-of-painful-ankle-arthrodesis-to-arthroplasty
#16
M Preis, T Bailey, M Jacxsens, A Barg
INTRODUCTION: There are two general surgical approaches for operative treatment of end-stage haemophilic ankle arthropathy: ankle arthrodesis and total ankle replacement (TAR). AIM: The aim of this study was to determine intraoperative and postoperative complications and evaluate the mid-term clinical and radiographic outcomes of TAR in patients with haemophilic arthropathy. METHODS: Fourteen patients with a mean age of 51.4 ± 10.2 years (range = 32...
March 17, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28282538/results-of-enhanced-recovery-after-primary-ankle-replacements
#17
K Jain, P Murphy, T Karim, M Karski, T M Clough
No abstract text is available yet for this article.
January 27, 2017: Foot
https://www.readbyqxmd.com/read/28276651/realignment-surgery-for-malunited-ankle-fracture
#18
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...
February 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28268144/total-ankle-replacement-with-severe-valgus-deformity-technique-and-surgical-strategy
#19
John M Schuberth, Jeff C Christensen, Chad L Seidenstricker
Correction of severe valgus deformity of the foot and ankle with ankle replacement is challenging. We describe the controversies and specific issues of surgical management and provide a detailed surgical strategy for management of this common deformity. A reliable technique for deltoid reconstruction is also described and illustrated in detail.
March 3, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28259568/chloroquine-improves-the-response-to-ischemic-muscle-injury-and-increases-hmgb1-after-arterial-ligation
#20
Jun Xu, Xiangdong Cui, Jiehua Li, Panagiotis Koutakis, Iraklis Pipinos, Edith Tzeng, Alex Chen, Ulka Sachdev
OBJECTIVE: We have previously shown that exogenous administration of the nuclear protein high mobility group box 1 (HMGB1) improves angiogenesis after tissue ischemia. Antagonizing HMGB1 prolongs muscle necrosis and deters regeneration. In this study, we evaluated HMGB1 expression in peripheral arterial disease (PAD) and the mechanisms that promote its release in a murine model of hindlimb ischemia. Specifically, we investigated how chloroquine (CQ), a commonly employed disease-modifying antirheumatic drug, promotes HMGB1 release from muscle...
March 1, 2017: Journal of Vascular Surgery
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