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Total ankle arthroplasty

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https://www.readbyqxmd.com/read/28704747/two-cases-of-late-medial-instability-of-the-knee-due-to-hip-disease-after-total-knee-arthroplasty
#1
Masanori Tsubosaka, Tomoyuki Matsumoto, Koji Takayama, Naoki Nakano, Ryosuke Kuroda
INTRODUCTION: There are few specific reports of late medial instability after total knee arthroplasty (TKA). We described two cases of late medial instability of the knee due to hip disease with osteoarthritis or rheumatoid arthritis after TKA, which required revision TKA. PRESENTATION OF CASES: An 82-year-old woman experienced right femoral neck fracture due to a fall that required conservative treatment at age 77 years and underwent left TKA at age 80 years. A 68-year-old woman underwent left TKA at age 54 years, right TKA at age 64 years, and left THA at age 67 years...
June 29, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28697082/primary-posterior-blade-plate-tibiotalar-arthrodesis-a-salvage-procedure-for-complex-nonreconstructable-pilon-fractures
#2
Ermias Abebe, Dana J Farrell, Boris Zelle, Gary Gruen
A subset of C2/C3 pilon fractures, open pilon injuries, metaphyseal bone comminution, and those involving substantial soft tissue or vascular injury may be nonreconstructable. Such injuries are at risk of progress to nonunion and failing open reduction internal fixation (ORIF). The risk of infection, malunion, and nonunion is relatively high with such injury patterns. In such cases, tibiotalar arthrodesis is performed after ORIF fails as a salvage procedure. Overall, the literature agrees that all pilon fractures will develop posttraumatic osteoarthritis, and these patients are ultimately treated with an arthrodesis or in narrow population with total ankle arthroplasty...
August 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28691501/factors-contributing-to-hospital-stay-and-total-inpatient-charges-in-total-ankle-arthroplasty-review-of-the-national-inpatient-sample
#3
Jason L Codding, Benjamin M Zmistowski, Daniel E Davis, Mitchell G Maltenfort, David I Pedowitz
Total ankle arthroplasty (TAA) is commonly performed for end-stage ankle osteoarthritis. Given rising costs and declining reimbursements, identifying variables increasing length of stay (LOS) and total inpatient charges (TICs) of TAA is necessary for providing cost-effective care. The National Inpatient Sample (NIS) database was reviewed between 1993 and 2010, identifying LOS and TIC for TAA. Using a multivariate analysis, patient comorbidities, demographics, payment, and hospital details were evaluated. Median LOS decreased from 5 to 2 days, whereas median TICs increased from $21 382...
July 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28682140/total-ankle-arthroplasty-minimum-follow-up-policy-for-reporting-results-and-guidelines-for-reporting-problems-and-complications-resulting-in-reoperations
#4
Robert A Vander Griend, Alastair S E Younger, Kristian Buedts, Christopher P Chiodo, J Chris Coetzee, William R Ledoux, Michael S Pinzur, Kodali Siva R K Prasad, Robin M Queen, Charles L Saltzman, David B Thordarson
No abstract text is available yet for this article.
July 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28675940/influence-of-geometry-and-depth-of-resections-on-bone-support-for-total-ankle-replacement
#5
Jeffrey E Bischoff, Lew Schon, Charles Saltzman
BACKGROUND: Aseptic component loosening is a leading cause of revision for total ankle replacement. Different operative approaches for resecting the tibia and talus impact the bony support for the prostheses due to variations in both bone density and resection area, and may therefore impact loosening performance. METHODS: Computed tomography data from 116 subjects were obtained, and solid models of the talus and tibia were generated. Bone density, resection area, and bony support were measured on a series of flat resections for each subject, at multiple resection depths...
July 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28663020/treatment-of-end-stage-hallux-rigidus-using-total-joint-arthroplasty-a-short-term-clinical-study
#6
Turan Cihan Dülgeroğlu, Hasan Metineren
The treatment of advanced hallux rigidus remains controversial. Only a few studies have analyzed the short- and mid-term results of metatarsophalangeal (MTP) joint arthroplasty to treat patients with advanced hallux rigidus. We present the short-term follow-up results of patients who underwent MTP joint arthroplasty. We reviewed the medical records of 15 consecutive patients (3 males and 12 females) who had had grade 3 or 4 hallux rigidus diagnosed according to the Coughlin and Shurnas classification. The age range at surgery was 44 to 74 (mean 61...
June 26, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28657562/patient-specific-instrumentation-in-total-knee-arthroplasty
#7
Andrea Colombelli, Alberto Belluati, Yousef Rizqallah, Giovanni Guerra, Carlo Busatto
BACKGROUND AND AIM OF THE WORK: The international literature and analysis of the prosthetic registers highlight a significant relationship between the alignment of the components and the survival of prosthetic implants of the knee. The patient specific instrumentation (PSI) technology exploits the data obtained with the MRN for the production of cutting blocks (CB) useful to a TKA. Revisiting the recent international literature, comparing the results of the conventional method and PSI, numerous studies confirm a statistically significant difference of inliers (± 3 degrees) for HKA...
June 7, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/28645703/mapping-of-the-anterior-tibial-profile-to-identify-accurate-reference-points-for-sagittal-alignment-of-tibial-component-in-total-knee-arthroplasty
#8
Gianluca Cinotti, Ettore Caruso, Luigi Orsina, Giuseppe La Torre, Francesca Romana Ripani
BACKGROUND: Although standard instrumentation is the procedure most frequently used to implant a total knee arthroplasty (TKA), high rates of malalignment of tibial component are reported using this technique. Anatomical landmarks for sagittal alignment have been little investigated and the best reference axis which parallels the mechanical axis is yet to be established. HYPOTHESIS: Mapping the anterior tibial profile (ATP) may allow the identification of segmental zones of the ATP parallel to the mechanical axis which can be use to align the extramedullary rod...
June 20, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28645549/staged-treatment-of-infected-tibiotalar-fusion-using-a-combination-antibiotic-spacer-and-antibiotic-coated-intramedullary-nail
#9
Justin Miller, Victor Hoang, Richard S Yoon, Frank A Liporace
Pilon fractures are notoriously difficult injuries to treat. The current published data on salvage procedures after failed pilon fractures includes both total ankle arthroplasty (TAA) and tibiotalar fusion, each with its own specific indications. However, no acceptable treatment algorithm addressing the complications of these limb salvage procedures is available. We present the case of a 23-year-old patient, who sustained a complex pilon fracture after a motor vehicle accident. The patient was referred to our institution after an initial fixation attempt, followed by subsequent failed TAA, which was complicated by an infected fusion attempt...
June 20, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28645548/perioperative-complications-and-initial-alignment-of-lateral-approach-total-ankle-arthroplasty
#10
J George DeVries, Todd A Derksen, Brandon M Scharer, Robert Limoni
Total ankle replacement continues to become a more common treatment of end-stage ankle arthritis. A lateral approach total ankle implant system is an innovative approach for this treatment. We performed a retrospective review of 16 patients treated with lateral approach total ankle replacement. The implant was successful and retained in all cases during a follow-up period of 769 ± 221.3 days (25.3 ± 7.3 months). Initial satisfactory alignment was achieved in all cases. For patients in whom a frontal plane incongruent deformity was present preoperatively, a statistically significant correction was obtained (p = ...
June 20, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28641973/changes-in-hip-knee-and-ankle-coronal-alignments-after-total-hip-arthroplasty-with-transverse-femoral-shortening-osteotomy-for-unilateral-crowe-type-iv-developmental-dysplasia-of-the-hip
#11
Abdulhamit Misir, Turan B Kizkapan, Kadir I Yildiz, Mehmet A Kaygusuz, Yakup Alpay, Atakan Ezici
BACKGROUND: To investigate changes in lower extremity coronal alignment in patients with unilateral Crowe type IV developmental dysplasia of the hip who underwent total hip arthroplasty with transverse femoral shortening osteotomy. METHODS: We reviewed the preoperative and 1-year postoperative full-length lower extremity radiographs of 25 patients. Femoral offset (FO), mechanical hip-knee-ankle angle, anatomical axis, mechanical axis deviation (MAD), mechanical lateral proximal femoral angle, anatomical medial proximal femoral angle, mechanical lateral distal femoral angle, anatomical lateral distal femoral angle, knee joint line congruency angle, mechanical medial proximal tibial angle, mechanical lateral distal tibial angle, ankle joint line orientation angle, tibial plafond talus angle, extremity length, and pelvic obliquity were measured on both the operative and nonoperative sides...
June 1, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28592074/-effects-of-iassist-navigation-system-and-personal-specific-instrument-assisted-total-knee-arthroplasty-in-the-treatment-of-osteoarthritis
#12
S C Tian, Q Q Yao, X D Yin, S Liu, J Zhou, J Hu, J Y Li, R Shan, H B Jiang, L M Wang
Objective: To compare the application of iASSIST assisted total knee arthroplasty (TKA) and three-dimentional(3D) printing personal specific instrument (PSI) assist TKA in the treatment of osteoarthritis (OA). Methods: Clinical data of 47 patients with OA admitted at Department of Orthopaedic Surgery in Nanjing Medical University Nanjing Hospital between April and September 2016 were retrospectively reviewed, including 20 males and 27 females, aging from 57 to 77 years with mean age of (63.8±8.2) years. They were randomly divided into iASSIST-TKA group (23 patients) and PSI-TKA group (24 patients)...
June 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28589334/are-there-differences-in-gait-mechanics-in-patients-with-a-fixed-versus-mobile-bearing-total-ankle-arthroplasty-a-randomized-trial
#13
Robin M Queen, Christopher T Franck, Daniel Schmitt, Samuel B Adams
BACKGROUND: Total ankle arthroplasty (TAA) is an alternative to arthrodesis, but no randomized trial has examined whether a fixed bearing or mobile bearing implant provides improved gait mechanics. QUESTIONS/PURPOSES: We wished to determine if fixed- or mobile-bearing TAA results in a larger improvement in pain scores and gait mechanics from before surgery to 1 year after surgery, and to quantify differences in outcomes using statistical analysis and report the standardized effect sizes for such comparisons...
June 6, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28583023/safety-of-outpatient-total-ankle-arthroplasty-vs-traditional-inpatient-admission-or-overnight-observation
#14
Ryan P Mulligan, Selene G Parekh
BACKGROUND: Total joint surgeons have successfully performed hip, knee, and shoulder arthroplasty procedures in the outpatient setting without compromising safety, satisfaction, or results. The purpose of this study was to evaluate outpatient total ankle arthroplasty (TAA) as compared with overnight or extended inpatient stay, with regard to 90-day medical and operative complications, reoperations, readmissions or emergency room visits, and pain control. METHODS: The medical records of patients who underwent TAA with 1 fellowship-trained orthopedic foot and ankle surgeon were reviewed...
June 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28580856/short-term-perioperative-complications-and-mortality-after-total-ankle-arthroplasty-in-the-united-states
#15
Kenneth A Heida, Brian Waterman, Eric Tatro, Julia Bader, Andrew C McCoy, Nicholas Rensing, Justin Orr
This study sought to identify patient and operative demographics associated with 30-day perioperative complications in patients undergoing total ankle arthroplasty as recorded in the National Surgical Quality Improvement Project database. Complications were divided into local and systemic and further subcategorized as major and minor. A total of 404 patients underwent total ankle arthroplasty between 2007 and 2014 as captured in the National Surgical Quality Improvement Project database. The overall complication rate was 2...
June 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28578802/spontaneous-resolution-of-posterior-ankle-joint-loose-bodies-after-total-ankle-replacement-a-case-report
#16
Raymond P Lee, Sally H S Cheng
Late stage ankle osteoarthritis often presents with debilitating pain. It is common to find osteophytes and loose body formation around the joint. Total ankle arthroplasty can preserve joint mobility and pain relieve for such patient. However, when trying to remove the osteophytes and loose bodies at the posterior ankle joint, there is risk of damaging posterior structures such as the neurovascular bundle during the procedure. We are presenting a case where the posterior loose bodies remained untouched during the operation, and patient showed spontaneous resolution of the lesions with time...
June 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28578800/geometric-analysis-of-the-talus-and-development-of-a-generic-talar-prosthetic
#17
Alexandra Trovato, Marwan El-Rich, Samer Adeeb, Suki Dhillon, Nadr Jomha
BACKGROUND: Trauma to the talus can result in fracture, avascular necrosis and structural collapse. Treatment has been limited to surgical fusion and total ankle arthroplasty. Total ankle arthroplasty may not be an appropriate treatment for avascular necrosis while surgical fusion of the joint limits mobility. Custom-made implants have recently been used to address these limitations but have lengthy delays between injury and surgery and higher associated costs. A generic talar prosthesis available in various sizes may serve as a suitable alternative...
June 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28578799/tibial-slope-in-total-ankle-arthroplasty-anterior-or-lateral-approach
#18
Federico Giuseppe Usuelli, Camilla Maccario, Cristian Indino, Luigi Manzi, Christopher Edward Gross
BACKGROUND: A new total ankle arthroplasty (TAA) system performed through a lateral approach provides direct visualization of the centre of rotation, allowing for accurate reconstruction of the joint alignment and less bone resection. Radiographic references are needed to describe deformities and plan the surgical procedures. The tibial slope is an important factor when treating malalignment. The aim of this study is to show if there is any difference regarding the post-operative tibial slope (β angle) measurement comparing a fixed-bearing TAA through a lateral approach and a mobile-bearing TAA through an anterior approach...
June 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28578798/identifying-the-learning-curve-for-total-ankle-replacement-using-a-mobile-bearing-prosthesis
#19
Federico G Usuelli, Camilla Maccario, Andrea Pantalone, Nicola Serra, Eric W Tan
BACKGROUND: Total ankle arthroplasty remains a technically demanding surgery highly influenced by the operator experience. However, no consensus exists regarding the ideal number of cases that need to be performed before a surgeon is considered proficient. The aim of this study was to identify the learning curve of a specific replacement system with regards to intraoperative and postoperative outcomes. METHODS: The first 31 patients undergoing total ankle arthroplasty were examined...
June 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28578796/are-periprosthetic-osteolytic-lesions-in-ankle-worth-bone-grafting
#20
Ia Kohonen, Helka Koivu, Hannu Tiusanen, Jussi Kankare, Tero Vahlberg, Kimmo Mattila
BACKGROUND: We retrospectively evaluated the medium-term follow-up of bone grafting due to periprosthetic osteolytic lesions in ankles. METHODS: 34 ankles (32 patients) with total ankle arthroplasty (TAA) underwent re operation. Indications were large periprosthetic osteolytic lesions or continuous growing of the lesions. The osteolytic lesions were imaged by CT before reoperation and once a year after that. The mean CT follow-up after re operation was 3.8 years (range, 2-6...
June 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
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