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Total joint arthroplasty

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https://www.readbyqxmd.com/read/28819826/the-outcome-of-the-partial-resurfacing-arthroplasty-of-the-hip-shows-high-numbers-of-failures-and-conversion-to-total-arthroplasty
#1
Thilo Floerkemeier, Stefan Budde, Nils Wirries, Gabriela von Lewinski, Henning Windhagen, Marco Ezechieli
PURPOSE: Local cartilage and bony defects, which are too large for joint preserving cartilage treatment are difficult to treat. The implantation of a mini-resurfacing implant (Hemicap®, 2med, Hamburg, Germany) may be a possible alternative treatment for these patients. This partial replacement fills the defect and restores a smooth and continuous articular surface. The aim of this study was to determine short- to midterm results of the treatment of local cartilage defects of the femoral head using the Hemicap®...
August 17, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28819598/two-staged-bilateral-femoral-alignment-osteotomy-with-concomitant-total-knee-arthroplasty-in-an-achondroplasia-patient-a-case-report
#2
Sebastian G Walter, Tobias Schwering, Stefan Preiss
INTRODUCTION: Achondroplasia is the most common form of dwarfism in humans and is orthopedically characterized by shortened extremities and an exaggerated lumbar lordosis. The surgical challenges are maintenance of axial alignment during limb lengthening as well as joint preservation and alignment restoration. CASE REPORT: We present a 46-year-old female suffering from achondroplasia with severe pain in both knees. Severe varus deformities of both femurs and degeneration of both knee joints became apparent on clinical and radiological examination...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28819592/insufficiency-fractures-of-the-distal-tibia-and-fibula-following-total-hip-arthroplasty-a-case-report
#3
Ryu Kojima, Toshiki Miura, Eisei Fukatani
INTRODUCTION: Although periprosthetic fractures of the femur have been well documented, insufficiency fractures following total hip arthroplasty (THA) have been rarely described. We report a case of an insufficiency fracture in the distal tibia and fibula that occurred after THA. CASE REPORT: A 54-year-old woman presented with severe pain in the bilateral hip joints and was diagnosed with end-stage osteoarthritis. She underwent THA on the right side. Although the postoperative course was uneventful, she suddenly experienced severe pain and swelling in the right leg without any history of trauma 22 weeks after the surgery...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28819341/reliability-of-the-acetabular-reconstruction-technique-using-autogenous-bone-graft-from-resected-femoral-head-in-hip-dysplasia-influence-of-the-change-of-hip-joint-center-on-clinical-outcome
#4
Joo Ho Song, Tae Soo Ahn, Pil Whan Yoon, Jae Suk Chang
INTRODUCTION: The previous studies have not reached on consensus as to the outcome of acetabular reconstruction with autogenous bone graft for dysplastic hips, especially in severe cases such as Crowe type IV. The current study aimed to determine the survivorship of the arthroplasty and the grafts as well as the change of hip joint center averagely 9.8 years (range, 5-19) after cementless total hip arthroplasty. MATERIALS AND METHODS: We reviewed 52 cases including 19 cases of complete hip dislocation of which acetabular defects were augmented with autogenous bone grafts taken from the resected femoral heads...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28818359/environment-of-care-is-it-time-to-reassess-microbial-contamination-of-the-operating-room-air-as-a-risk-factor-for-surgical-site-infection-in-total-joint-arthroplasty
#5
REVIEW
Javad Parvizi, Sue Barnes, Noam Shohat, Charles E Edmiston
In the modern operating room (OR), traditional surgical mask, frequent air exchanges, and architectural barriers are viewed as effective in reducing airborne microbial populations. Intraoperative sampling of airborne particulates is rarely performed in the OR because of technical difficulties associated with sampling methodologies and a common belief that airborne contamination is infrequently associated with surgical site infections (SSIs). Recent studies suggest that viable airborne particulates are readily disseminated throughout the OR, placing patients at risk for postoperative SSI...
August 14, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28811108/methylene-blue-guided-debridement-as-an-intraoperative-adjunct-for-the-surgical-treatment-of-periprosthetic-joint-infection
#6
Jeremy D Shaw, Steve Miller, Anna Plourde, Daniel L Shaw, Rosanna Wustrack, Erik N Hansen
BACKGROUND: Current methods to identify infected tissue in periprosthetic joint infection (PJI) are inadequate. The purpose of this study was (1) to assess methylene blue-guided surgical debridement as a novel technique in PJI using quantitative microbiology and (2) to evaluate clinical success based on eradication of infection and infection-free survival. METHODS: Sixteen total knee arthroplasty patients meeting Musculoskeletal Infection Society criteria for PJI undergoing the first stage of 2-stage exchange arthroplasty were included in this prospective study...
July 21, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28810805/hindfoot-arthritis-progression-and-arthrodesis-risk-after-total-ankle-replacement
#7
Travis J Dekker, David Walton, Emily N Vinson, Kamran S Hamid, Andrew E Federer, Mark E Easley, James K DeOrio, James A Nunley, Samuel B Adams
BACKGROUND: The purpose of this study was to assess the radiographic progression of subtalar and talonavicular degenerative joint disease in a series of patients who had undergone TAA (total ankle arthroplasty) with minimum follow-up of 5 years. METHODS: TAA patient radiographs from a single institution were analyzed for peritalar arthritic changes by extrapolating the modified Kellgren Lawrence (KL) grades of the knee to the subtalar and talonavicular joints. Patients were included if they had a minimum of 5 years of follow-up...
August 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28810328/-clinical-features-of-11-cases-of-primary-bone-lymphoma
#8
Y J Li, Y F Li, J W Du, L H Dong, X Gao, G P Li, X D Wei, Y P Song
Objective: To analyze the clinical features, treatment and outcomes of primary lymphoma of bone (PLB) . Methods: The clinical data of 11 PLB patients were retrospectively analyzed. Results: 11 patients were enrolled in our study including 7 females and 4 males. The median age of the patients was 45 years old. The main histologic type was diffuse large B cell lymphoma and anaplastic large cell lymphoma. Of the 11 PLB cases, 3 cases were at stage ⅠE, 2 at stage ⅡE, 6 at stage ⅣE respectively. 6 cases were treated with chemotherapy and radiotherapy, 2 cases with total joint arthroplasty and chemotherapy, and 3 cases chemotherapy alone respectively...
July 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28803816/midterm-adjusted-survival-comparing-the-best-performing-unicompartmental-and-total-knee-arthroplasties-in-a-registry
#9
Stefano A Bini, Guy Cafri, Monti Khatod
BACKGROUND: Recent literature suggests that the difference in revision risk between unicompartmental knee arthroplasty (UKA) and total knee arthroplasty (TKA) can be influenced by surgeon volume and other confounders. We hypothesized that implant selection might decrease the relative risk of revision in an adjusted model. METHODS: We selected the best performing (BP) primary UKAs and TKAs performed for osteoarthritis between January 2001 and December 2012 collected through a joint replacement registry...
June 8, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28801413/effectiveness-of-rehabilitation-after-a-total-hip-arthroplasty-a-protocol-for-an-observational-study-for-the-comparison-of-usual-care-in-the-netherlands-versus-germany
#10
Gesine H Seeber, Annet Wijnen, Djordje Lazovic, Sjoerd K Bulstra, Günter Dietz, Christiaan P van Lingen, Martin Stevens
INTRODUCTION: Osteoarthritis is the most common joint disorder worldwide. Total hip arthroplasty (THA) is considered one of the most effective treatments for end-stage hip osteoarthritis. The number of THAs is expected to increase dramatically in the coming decades. Usual postoperative rehabilitation after primary THA differs between the German and the Dutch system. In the Netherlands, patients undergo fast-track surgery and are discharged into their home environment within a few days without receiving any aftercare...
August 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28800858/diagnostic-value-of-synovial-white-blood-cell-count-and-serum-c-reactive-protein-for-acute-periprosthetic-joint-infection-after-knee-arthroplasty
#11
Sang-Gyun Kim, Jae-Gyoon Kim, Ki-Mo Jang, Seung-Bum Han, Hong-Chul Lim, Ji-Hoon Bae
BACKGROUND: The diagnosis of periprosthetic joint infection (PJI) remains difficult, particularly in acute postoperative stage. The purpose of this study was to investigate the optimal cutoff value of synovial white blood cell (WBC) count, percentage of polymorphonuclear cells, erythrocyte sedimentation rate, and C-reactive protein (CRP) for diagnosing early postoperative infection after knee joint arthroplasty. METHODS: We retrospectively reviewed primary total knee arthroplasties and unicompartmental knee arthroplasties, with a knee aspiration within 3 weeks of surgery, from January 2006 to November 2016...
July 18, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28797918/oral-tranexamic-acid-can-reduce-blood-loss-after-total-knee-and-hip-arthroplasty-a-meta-analysis
#12
REVIEW
Guang-Lei Li, Yong-Mei Li
OBJECTIVE: The aim of the present study was to compare the efficacy and safety of oral tranexamic acid (TXA) with controls or intravenous TXA in patients undergoing total joint arthroplasty (TJA) in a systematic review and meta-analysis. METHODS: We systematically searched randomized controlled trials (RCTs) from PubMed, Embase, the Cochrane Central Register of Controlled Trials (CENTRAL), Web of Science and Google databases. Any studies comparing oral TXA versus a control group or intravenous TXA for patients prepared for TJA were included...
August 7, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28797879/using-a-non-invasive-secure-skin-closure-following-total-knee-arthroplasty-leads-to-fewer-wound-complications-and-no-patient-home-care-visits-compared-to-surgical-staples
#13
Alberto V Carli, Sara Spiro, Brian T Barlow, Steven B Haas
BACKGROUND: Superficial wound complications occur in up to 10% of total knee arthroplasty (TKA) procedures and have been associated with periprosthetic joint infection. The ideal material for TKA closure should offer: 1) fast intraoperative application, 2) minimal wound complications and 3) removable by patients without assistance. We evaluated a novel, non-invasive, removable skin closure system for TKA to determine its effect on wound complications. METHODS: We prospectively evaluated 221 consecutive TKA patients who received skin closure using a non-invasive zipper-like system ('Zip'; Zip 16 Surgical Skin Closure System; Zipline Medical)...
August 7, 2017: Knee
https://www.readbyqxmd.com/read/28797875/success-rates-characteristics-and-costs-of-articulating-antibiotic-spacers-for-total-knee-periprosthetic-joint-infection
#14
Scott R Nodzo, Keely K Boyle, Sara Spiro, Allina A Nocon, Andy O Miller, Geoffrey H Westrich
BACKGROUND: The optimal type, characteristics, and success rates of articulating antibiotic spacers used during total knee arthroplasty (TKA) periprosthetic joint infection (PJI) have not been well defined in a single series. We sought to (1) determine the success rate for three unique spacer constructs and (2) evaluate any microbiological, surgical, or patient characteristics that would influence the success rate. METHODS: We retrospectively reviewed patients who underwent a two-stage exchange for a TKA PJI with a prefabricated spacer (PREFAB), home-made mold (MOLD), or autoclaved femoral component (AUTOCL)...
August 8, 2017: Knee
https://www.readbyqxmd.com/read/28793979/outcome-of-prosthesis-matched-and-unmatched-patella-components-in-primary-and-revision-total-knee-replacement
#15
Peter L Lewis, Ai E Gamboa, David G Campbell, Michelle Lorimer
BACKGROUND: Although knee replacements have specifically designed patella prostheses that correspond to the geometry of their femoral components, a patella prosthesis that is unmatched to the femoral component may occasionally be inserted. In revision total knee arthroplasty (TKA), an originally resurfaced patella may be left, but the femoral component revised to one that does not match the patella. Few studies have compared the outcome of matched and unmatched patella components in TKA...
August 6, 2017: Knee
https://www.readbyqxmd.com/read/28793978/patellofemoral-arthroplasty-conversion-to-total-knee-arthroplasty-retrieval-analysis-and-clinical-correlation
#16
Alexander B Christ, Elexis Baral, Chelsea Koch, Beth E Shubin Stein, Alejandro Gonzalez Della Valle, Sabrina M Strickland
BACKGROUND: Patellofemoral arthroplasty (PFA) can be a successful, bone-sparing treatment for isolated patellofemoral arthritis. However, progression of tibio-femoral arthritis or incorrect indications may predispose patients to early conversion to total knee arthroplasty (TKA). The purpose of this study was to review the clinical cases and perform retrieval analysis of PFA conversions to TKA at our institution. METHODS: Twenty one patellofemoral arthroplasties in 18 patients that were converted to TKA were identified through our implant retrieval registry...
August 6, 2017: Knee
https://www.readbyqxmd.com/read/28791659/three-dimensional-analysis-of-the-tibial-resection-plane-relative-to-the-arthritic-tibial-plateau-in-total-knee-arthroplasty
#17
J Michael Johnson, Mohamed R Mahfouz, Mehmet Rüştü Midillioğlu, Alexander J Nedopil, Stephen M Howell
BACKGROUND: Kinematically aligned total knee arthroplasty strives to correct the arthritic deformity by restoring the native tibial joint line. However, the precision of such surgical correction needs to be quantified in order to reduce recuts of the resection and to design assisting instrumentation. This study describes a method for novel three-dimensional analysis of tibial resection parameters in total knee arthroplasty. Pre-operative versus post-operative differences in the slopes of the varus-valgus and flexion-extension planes and the proximal-distal level between the tibia resection and the arthritic tibial joint line can reliably be measured using the three-dimensional models of the tibia and fibula...
August 8, 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28790468/management-of-the-infected-total-hip-arthroplasty
#18
D'jon Lopez, Isabel Leach, Elinor Moore, Alan R Norrish
In the United Kingdom approximately 80,000 total hip arthroplasties are undertaken on an average each year. The popularity and demand for this operation are continually increasing. Our understanding of arthroplasty surgery and its complications has evolved greatly, and as a result infection rates are undeniably at an all-time low. The increasing volume of operations being performed does, however, mean that we still continue to see an increased number of cases of infection. There is no doubt that periprosthetic joint infection (PJI) poses a complex clinical and diagnostic predicament to clinicians...
July 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28790467/current-concepts-in-acetabular-positioning-in-total-hip-arthroplasty
#19
Deepu Bhaskar, Asim Rajpura, Tim Board
Being one of the most successful surgeries in the history of medicine, the indications for total hip arthroplasty have widened and are increasingly being offered to younger and fitter patients. This has also led to high expectations for longevity and outcomes. Acetabular cup position has a significant impact on the results of hip arthroplasty as it affects dislocation, abductor muscle strength, gait, limb lengths, impingement, noise generation, range of motion (ROM), wear, loosening, and cup failure. The variables in cup position are depth, height, and angular position (anteversion and inclination)...
July 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28790464/the-history-of-biomechanics-in-total-hip-arthroplasty
#20
Jan Van Houcke, Vikas Khanduja, Christophe Pattyn, Emmanuel Audenaert
Biomechanics of the hip joint describes how the complex combination of osseous, ligamentous, and muscular structures transfers the weight of the body from the axial skeleton into the appendicular skeleton of the lower limbs. Throughout history, several biomechanical studies based on theoretical mathematics, in vitro, in vivo as well as in silico models have been successfully performed. The insights gained from these studies have improved our understanding of the development of mechanical hip pathologies such as osteoarthritis, hip fractures, and developmental dysplasia of the hip...
July 2017: Indian Journal of Orthopaedics
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