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Total joint arthroplasty

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https://www.readbyqxmd.com/read/29785392/periosteal-pseudotumor-in-complex-total-knee-arthroplasty-resembling-a-neoplastic-process
#1
Madhav Chowdhry, Matthew V Dipane, Edward J McPherson
This case report describes in detail an erosive distal diaphyseal pseudotumor that occurred 6 years after a complex endoprosthetic hinge total knee arthroplasty (TKA). A female patient had conversion of a knee fusion to an endoprosthetic hinge TKA at the age of 62. At her scheduled 6-year follow-up, she presented with mild distal thigh pain and radiographs showing a 6-7 cm erosive lytic diaphyseal lesion that looked very suspicious for a neoplastic process. An en bloc resection of the distal femur and femoral endoprosthesis was performed...
May 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/29781910/superior-baseplate-inclination-is-associated-with-instability-after-reverse-total-shoulder-arthroplasty
#2
Robert Z Tashjian, Brook I Martin, Cassandra A Ricketts, Heath B Henninger, Erin K Granger, Peter N Chalmers
BACKGROUND: Instability is the most common complication after reverse total shoulder arthroplasty (rTSA). In the native glenohumeral joint, in addition to full dislocations, more subtle forms of instability exist. However, the incidence of more subtle forms of instability, the factors associated with instability, and the effect of instability on validated outcome scores after rTSA remain poorly understood. QUESTIONS/PURPOSES: (1) After rTSA, what is the risk of instability, including more subtle forms of subjective instability? (2) What are the factors associated with instability? (3) Are more subtle forms of instability associated with lower American Shoulder and Elbow Surgeons (ASES) functional outcome scores than those patients without instability? METHODS: A total of 168 rTSAs were performed during the study period...
May 17, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29780248/incidence-of-symptomatic-venous-thromboembolism-in-2372-knee-and-hip-replacement-patients-after-discharge-data-from-a-thromboprophylaxis-registry-in-montreal-canada
#3
Andréa Senay, Milanne Trottier, Josée Delisle, Andreea Banica, Benoit Benoit, G Yves Laflamme, Michel Malo, Hai Nguyen, Pierre Ranger, Julio C Fernandes
Background: Low-molecular-weight heparin (LMWH) is a recommended anticoagulant for thromboprophylaxis after major orthopedic surgery. Dabigatran etexilate is an oral anticoagulant recognized as noninferior to LMWH. We aimed to assess the incidence of symptomatic venous thromboembolic events (VTEs) after discharge in patients who underwent joint replacement, using a hospital registry. Patients and methods: Patients who underwent total knee and hip arthroplasty between September 2011 and March 2015 were selected...
2018: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/29780158/evaluation-of-the-factors-affecting-concerns-and-expectations-of-patients-undergoing-total-knee-arthroplasty-in-china
#4
Yang Li, Hong Cai, Hua Tian, Ke Zhang
BACKGROUND The aim of this study was to assess the level of concern and expectations of patients and their families of total knee arthroplasty (TKA), peri-operative procedures, postoperative rehabilitation, and outcome in a Chinese population. MATERIAL AND METHODS The study recruited 133 patients with osteoarthritis, scheduled to undergo primary elective TKA. Before surgery, the surgeon completed the Hospital for Special Surgery (HSS) Knee Score questionnaire on pain, function, range of motion (ROM), and muscle strength...
May 21, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29779992/radiologic-factors-affecting-ankle-pain-before-and-after-total-knee-arthroplasty-for-the-varus-osteoarthritic-knee
#5
Chang-Wan Kim, Heui-Chul Gwak, Jung-Han Kim, Chang-Rack Lee, Jeon-Gyo Kim, Minkyung Oh, Ji-Hwan Park
The aim of the present study was to evaluate the radiologic factors related to ankle pain before and after total knee arthroplasty (TKA) among patients with a varus osteoarthritic knee. Fifty-five patients (65 ankles) with a varus osteoarthritic knee who had undergone TKA and were followed up for >24 months were enrolled. For clinical assessment, the visual analog scale for pain and the American Orthopaedic Foot and Ankle Society ankle-hindfoot scale were used. For radiologic assessment, the mechanical axis deviation angle, talar tilt, tibial anterior surface angle, distal medial clear space, medial tibiotalar joint space, frontal tibial ground angle, and hindfoot alignment view angle were measured...
May 17, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29779140/knee-motion-symmetry-was-not-restored-in-patients-with-unilateral-bi-cruciate-retaining-total-knee-arthroplasty-in-vivo-three-dimensional-kinematic-analysis
#6
Paul Arauz, Yun Peng, Young-Min Kwon
PURPOSE: Although unilateral total knee arthroplasty (TKA) is successful in restoring function, there are concerns in relation to asymmetric gait patterns. Bi-cruciate retaining (BCR) TKA design preserves both anterior and posterior cruciate ligaments with the potential to restore normal joint kinematics. The purpose of this study was to investigate the in vivo three-dimensional (3D) kinematics of the knee in unilateral BCR TKA patients during gait. METHODS: Twenty-nine unilateral BCR TKA patients were evaluated for both knees during treadmill gait using a combined computer tomography and dual fluoroscopic imaging system approach...
May 19, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29778657/efficacy-of-antifungal-impregnated-cement-spacer-against-chronic-fungal-periprosthetic-joint-infections-after-total-knee-arthroplasty
#7
Jong-Keun Kim, Do-Yoon Lee, Dong-Wan Kang, Du-Hyun Ro, Myung Chul Lee, Hyuk-Soo Han
BACKGROUND: Although two-stage exchange arthroplasty is considered a treatment of choice for chronic features of fungal PJI (periprosthetic joint infection), there is no consensus for local use of antifungal agent. The purpose of this study was to evaluate the efficacy of antifungal-impregnated cement spacer (AICS). METHODS: Nine patients who were diagnosed and treated for chronic fungal PJI after TKA in a single center from January 2001 to December 2016 were enrolled...
May 16, 2018: Knee
https://www.readbyqxmd.com/read/29778656/laxity-and-contact-forces-of-total-knee-designed-for-anatomic-motion-a-cadaveric-study
#8
Gaia Salvadore, Patrick A Meere, Matthias A Verstraete, Jan Victor, Peter S Walker
BACKGROUND: Total knee designs that attempt to reproduce more physiological knee kinematics are gaining attention given their possible improvement in functional outcomes. This study examined if a total knee designed for anatomic motion, where the soft tissue balancing was intended to replicate anatomical tibiofemoral contact forces, can more closely reproduce the laxity of the native knee. METHODS: In an ex-vivo setting, the laxity envelope of the knees from nine lower extremity specimens was measured using a rig that reproduced surgical conditions...
May 16, 2018: Knee
https://www.readbyqxmd.com/read/29777779/bilateral-total-mandibular-reconstruction-with-patient-specific-implants-for-temporomandibular-joint-ankylosis
#9
Jorge Chaurand
Temporomandibular joint (TMJ) ankylosis is a complex entity that requires accurate diagnosis and prompt treatment. Multiple surgical modalities have been proposed to treat TMJ ankylosis, including gap arthroplasty, interpositional arthroplasty, and total joint reconstruction. This article is to report one treated with patient specific implants due to its complexity, technical considerations are presented and could be an option for patients with similar conditions requiring this type of complicated treatment...
May 16, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29775187/body-mass-index-is-associated-with-all-cause-mortality-after-tha-and-tka
#10
Michelle M Dowsey, Peter F M Choong, Elizabeth W Paxton, Tim Spelman, Robert S Namba, Maria C S Inacio
BACKGROUND: Both obesity and underweight are associated with a higher risk of mortality in adulthood, but the association between mortality after arthroplasty and extreme ranges of body mass index (BMI) have not been evaluated beyond the first year. QUESTIONS/PURPOSES: The purpose of this study was to investigate the association between BMI and all-cause mortality after TKA and THA. METHODS: Data from two arthroplasty registries, the St Vincent's Melbourne Arthroplasty (SMART) Registry from Australia and the Kaiser Permanente Total Joint Replacement Registry (KPTJRR) from the United States, were used to identify patients aged ≥ 18 years undergoing elective TKAs and THAs between January 1, 2002, and December 31, 2013...
June 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29774956/cement-interface-and-bone-stress-in-total-hip-arthroplasty-relationship-to-head-size
#11
Teresa Alonso-Rasgado, Jose F Del-Valle-Mojica, David Jimenez-Cruz, Colin G Bailey, Tim N Board
The use of larger prosthetic femoral heads in total hip arthroplasty (THA) has increased considerably in recent years in response to the need to improve joint stability and reduce risk of dislocation. However, data suggests larger femoral heads are associated with higher joint failure rates. For cemented implants, ensuring the continued integrity of the cement mantle is key to long term fixation. This paper describes an investigation into the effect of variation in femoral head size on stresses in the acetabular cement mantle and pelvic bone...
May 18, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29773451/total-hip-arthroplasty-for-posttraumatic-osteoarthritis-following-acetabular-fracture-a-systematic-review-of-characteristics-outcomes-and-complications
#12
Robert D Stibolt, Harshadkumar A Patel, Samuel R Huntley, Eva J Lehtonen, Ashish B Shah, Sameer M Naranje
PURPOSE: Posttraumatic arthritis (PTA) may develop years after acetabular fracture, hindering joint function and causing significant chronic musculoskeletal pain. Given the delayed onset of PTA, few studies have assessed outcomes of delayed total hip arthroplasty (THA) in acetabular fracture patients. This study systematically reviewed the literature for outcomes of THA in patients with PTA and prior acetabular fracture. METHODS: Pubmed, EMBASE, SCOPUS, and Cochrane library were searched for articles containing the keywords "acetabular", "fracture", "arthroplasty", and "post traumatic arthritis" published between 1995 and August 2017...
April 26, 2018: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/29773405/gender-differences-in-knee-morphology-and-the-prospects-for-implant-design-in-total-knee-replacement
#13
Malte Asseln, Christoph Hänisch, Fabian Schick, Klaus Radermacher
BACKGROUND: Morphological differences between female and male knees have been reported in the literature, which led to the development of so-called gender-specific implants. However, detailed morphological descriptions covering the entire joint are rare and little is known regarding whether gender differences are real sexual dimorphisms or can be explained by overall differences in size. METHODS: We comprehensively analysed knee morphology using 33 features of the femur and 21 features of the tibia to quantify knee shape...
May 14, 2018: Knee
https://www.readbyqxmd.com/read/29772993/shoulder-lesion-in-a-69-year-old-woman
#14
Andrew J Hayden, Srinivas Kolla, Adele L Boskey, Steven Burekhovich, Chuanyong Lu, Michael Stracher, Aditya V Maheshwari
Milwaukee Shoulder Syndrome (MSS) is a painful progressive arthropathy in which hydroxyapatite crystal deposition in synovial tissue induces lysosomal release of collagenase and neutral proteases. These enzymes are destructive to periarticular tissue, including the synovium, articular cartilage, rotator cuff muscles, and the intrasynovial cortical bone. MSS predominantly occurring in women (90%) over the age of 70 years of age with a clinical history marked by recurrent joint effusions and pain, which classically worsens at night...
2018: Journal of Long-term Effects of Medical Implants
https://www.readbyqxmd.com/read/29761618/robot-assisted-total-hip-arthroplasty-clinical-outcomes-and-complication-rate
#15
Itay Perets, John P Walsh, Mary R Close, Brian H Mu, Leslie C Yuen, Benjamin G Domb
BACKGROUND: The purpose of this study was to report minimum 2-year outcomes and complications for robotic-arm-assisted total hip arthroplasty (THA). METHODS: Data were prospectively collected and retrospectively reviewed between June 2011 and April 2014. Inclusion criteria were primary robotic-arm-assisted THAs treating idiopathic osteoarthritis with ≥ 2-year follow-up. Demographics, operating time, complications, 2-year outcome scores and satisfaction, and subsequent surgeries were recorded...
May 15, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29761221/interest-of-short-implants-in-hip-arthroplasty-for-osteonecrosis-of-the-femoral-head-comparative-study-uncemented-short-vs-cemented-conventional-femoral-stems
#16
Mehdi Miladi, Benoît Villain, Nasser Mebtouche, Thierry Bégué, Jean-Charles Aurégan
PURPOSES: Osteonecrosis of the femoral head (ONFH) is a dramatic condition resulting in joint destruction in the late stages. Total hip arthroplasty allows function recovery with satisfactory implant survival. Recently, the use of uncemented short stems has been suggested to improve the conservation of bone stock. METHODS: We performed a retrospective study on 16 hip arthroplasties-11 patients-implanted for ONFH between 2008 and 2017. We aimed to compare the outcomes of the two types of arthroplasty-"uncemented short" vs "cemented conventional" femoral stem-in terms of pain (visual analogue scale), function (Harris Hip Score), and survival (radiography)...
May 15, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29759905/analysis-of-4063-complications-of-shoulder-arthroplasty-reported-to-the-us-food-and-drug-administration-from-2012-to-2016
#17
Jeremy S Somerson, Jason E Hsu, Moni B Neradilek, Frederick A Matsen
BACKGROUND: Most of the literature on shoulder arthroplasty failure comes from high-volume centers. These reports tend to exclude the experience of community orthopedic surgeons, who perform most of the shoulder joint replacements. METHODS: We analyzed the failure reports mandated by the US Food and Drug Administration for all hospitals. Each reported event from 2012 to 2016 was characterized by implant, failure mode, and year of surgery. RESULTS: For the 1673 anatomic arthroplasties, the most common failure modes were glenoid component failure (20...
May 11, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29759856/malnutrition-and-the-development-of-periprosthetic-joint-infection-in-patients-undergoing-primary-elective-total-joint-arthroplasty
#18
Kier Blevins, Arash Aalirezaie, Noam Shohat, Javad Parvizi
BACKGROUND: Although an abundance of literature exists linking malnutrition with infectious complications in surgical patients, there is little specifically examining the link between malnutrition and periprosthetic joint infection (PJI). This study evaluated the relationship between abnormal nutritional parameters and development of PJI in patients undergoing primary total joint arthroplasty (TJA). METHODS: We retrospectively reviewed TJA patients from 2000 to 2016 with preoperative nutritional screening at a single institution...
April 23, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29758587/regional-vs-general-anesthesia-for-total-knee-and-hip-replacement-an-analysis-of-postoperative-pain-perception-from-the-international-pain-out-registry
#19
Katharina Donauer, Hagen Bomberg, Stefan Wagenpfeil, Thomas Volk, Winfried Meissner, Alexander Wolf
BACKGROUND: Total hip and knee replacements are common surgeries, and an optimal pain treatment is essential for early rehabilitation. Since data from randomized controlled trails on the use of regional anesthesia in joint replacements of the lower extremities are conflicting, we analyzed the international PAIN OUT registry for comparison of regional anesthesia vs. general anesthesia regarding pain and morphine consumption on the first postoperative day. METHODS: International Classification of Diseases-9 (ICD-9) codes were used to identify 2,346 cases for knee and 2,315 for hip arthroplasty between 2010 and 2016 from the PAIN OUT registry...
May 14, 2018: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/29757763/corr-insights%C3%A2-does-orthopaedic-outpatient-care-reduce-emergency-department-utilization-after-total-joint-arthroplasty
#20
Chad A Krueger
No abstract text is available yet for this article.
May 11, 2018: Clinical Orthopaedics and related Research
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