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https://www.readbyqxmd.com/read/28926381/total-elbow-arthroplasty-for-distal-humeral-fractures-a-ten-year-minimum-follow-up-study
#1
Raul Barco, Philipp N Streubel, Bernard F Morrey, Joaquin Sanchez-Sotelo
BACKGROUND: Total elbow arthroplasty is commonly considered for elderly patients with comminuted distal humeral fractures. Satisfactory short-term outcomes have been reported, but long-term outcomes are unknown. Our purpose was to assess the long-term outcomes of total elbow arthroplasty after distal humeral fracture and to determine differences between elbows with or without inflammatory arthritis at the time of fracture. METHODS: Forty-four total elbow arthroplasties were performed after distal humeral fracture; those patients were followed for a minimum of 10 years and were evaluated with regard to pain, motion, Mayo Elbow Performance Scores, complications, and reoperations...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28924020/microindentation-a-tool-for-measuring-cortical-bone-stiffness-a-systematic-review
#2
M Arnold, S Zhao, S Ma, F Giuliani, U Hansen, J P Cobb, R L Abel, O Boughton
OBJECTIVES: Microindentation has the potential to measure the stiffness of an individual patient's bone. Bone stiffness plays a crucial role in the press-fit stability of orthopaedic implants. Arming surgeons with accurate bone stiffness information may reduce surgical complications including periprosthetic fractures. The question addressed with this systematic review is whether microindentation can accurately measure cortical bone stiffness. METHODS: A systematic review of all English language articles using a keyword search was undertaken using Medline, Embase, PubMed, Scopus and Cochrane databases...
September 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28918227/bone-remodeling-of-the-distal-femur-after-uncemented-total-knee-arthroplasty-a-2-year-prospective-dxa-study
#3
Mikkel Rathsach Andersen, Nikolaj S Winther, Thomas Lind, Henrik M Schrøder, Michael Mørk Petersen
Loss of bone stock as a response to the bone trauma, immobilization, and stress shielding related to joint replacement surgery increases the risk of fracture of the distal femur after total knee arthroplasty. Previous studies of uncemented femoral components have reported very high levels of bone loss in the distal femur. This study investigates the adaptive bone remodeling of the distal femur after uncemented total knee arthroplasty. We performed a 2-year follow-up of 53 patients (mean age 61.5 [38-70] years, F/M = 27/26, body mass index 29...
September 13, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28914349/reverse-total-shoulder-arthroplasty-for-type-i-fracture-sequelae-after-internal-fixation-of-proximal-humerus-fractures
#4
Benedikt Schliemann, Christina Theisen, Clemens Kösters, Michael J Raschke, Andre Weimann
INTRODUCTION: Complications after internal fixation of proximal humerus fracture are common and may require surgical revision. Reverse total shoulder arthroplasty (RTSA) is frequently performed in such cases. The aim of the present study was to evaluate the functional results and complications after RTSA for the treatment of type I fracture sequelae after internal fixation of proximal humerus fractures. MATERIALS AND METHODS: 26 patients (18 female, 8 male) underwent surgical revision of type I fracture sequelae of the proximal humerus after locking plate (n = 22) or intramedullary nail (n = 4) fixation...
September 15, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28913406/long-term-results-of-a-porous-tantalum-monoblock-tibia-component-clinical-and-radiographic-results-at-follow-up-of-10-years
#5
Daniel Gerscovich, Catherine Schwing, Anthony Unger
BACKGROUND: The purpose of this study is to assess the long-term follow-up of cementless total knee arthroplasty with the trabecular metal (TM) monoblock tibial component at an average 10-year follow-up. This report is an extension of our previously reported series of 108 TM tibias reported in 2011 (Unger and Duggan, 2011). METHODS: Fifty-eight of the original 108 knees were available for review. Each follow-up patient was evaluated by radiologic and clinical Knee Society Scores...
September 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/28913404/esr-and-crp-are-useful-between-stages-of-2-stage-revision-for-periprosthetic-joint-infection
#6
Christopher P Lindsay, Christopher W Olcott, Daniel J Del Gaizo
BACKGROUND: Serum erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) are important tests in the initial diagnosis of periprosthetic joint infection. Many surgeons also use these tests to determine if infection has resolved between stages of a 2-stage procedure, but little data exist regarding this practice. METHODS: A retrospective review of our institutional total joint databases was conducted to determine sensitivity, specificity, and predictive values of elevated ESR and/or CRP to diagnose persistent infection between stages...
September 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/28913396/severe-heterotopic-ossification-and-stiffness-after-revision-knee-surgery-for-a-periprosthetic-fracture
#7
Maher Baroudi, Pascale Derome, Michel Malo
Although heterotopic ossification (HO) after total hip arthroplasty has been very well described as a cause of disability, much less was written on clinical dysfunction of HO after total knee arthroplasty (TKA). To the extent of our knowledge, there has been no published case of complete bony ankylosis, secondary to severe generalized HO, after a TKA. We present the case of a 67-year-old female treated successfully, with surgical excision of ossification and TKA revision surgery, using a rotating hinge system...
September 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/28912417/comparison-of-leukocyte-esterase-testing-of-synovial-fluid-with-synovial-histology-for-the-diagnosis-of-periprosthetic-joint-infection
#8
Rui Li, Xiang Li, Baozhan Yu, Xin Li, Xinggui Song, Heng Li, Chi Xu, Jiying Chen
BACKGROUND Periprosthetic joint infection (PJI) is a complication of total joint arthroplasty (TJA). The leukocyte esterase (LE) strip test and histology are diagnostic methods for PJI. The aims of this study were to determine the sensitivity and specificity of the LE strip test and to compare it with histology in the diagnosis of PJI. MATERIAL AND METHODS Between January and December 2015, 93 patients who underwent TJA with PJI were enrolled in the study. Synovial fluid samples were tested with an LE strip, and three synovial tissue samples from each patient underwent frozen section and formalin-fixed histology...
September 15, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28911945/long-term-follow-up-and-survivorship-of-single-radius-posterior-stabilized-total-knee-arthroplasty
#9
Moon Jong Chang, Sangyeon So, Chan-Deok Park, Jai Gon Seo, Young-Wan Moon
BACKGROUND: We sought to determine the 10-year survivorship of single-radius, posterior-stabilized total knee arthroplasty (TKA) in Asian patients. We also aimed to determine whether the long-term clinical and radiographic results differed between patients with and without patellar resurfacing. METHODS: This retrospective study included 148 (115 patients) consecutive single-radius, posterior-stabilized TKAs. Ten-year survivorship analysis was performed using the Kaplan-Meier method with additional surgery for any reason as the end-point...
September 11, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28910774/influence-of-hip-prosthesis-size-and-its-coating-area-on-bone-remodelling
#10
B-A Behrens, A Bouguecha, M Lerch, H Windhagen, A Almohallami
We developed a numerical model to describe the bone remodelling process in periprosthetic bone tissues and validated it by means of dual energy X-ray absorptiometry methods (DEXA) with different types of hip implants. In this study we applied the numerical model to investigate the influence of implant size and of the size of the porous coated area on bone remodelling in a periprosthetic human femur in an effort to define properties of implants which would reduce bone remodelling after total hip arthroplasty...
September 11, 2017: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28900737/the-benefit-of-the-systematic-revision-of-the-acetabular-implant-in-favor-of-a-dual-mobility-articulation-during-the-treatment-of-periprosthetic-fractures-of-the-femur-a-49-cases-prospective-comparative-study
#11
A Perrin, M Saab, S Putman, K Benad, E Drumez, C Chantelot
INTRODUCTION: The SOFCOT symposium (2005) on periprosthetic fractures of the femur (PFFs) highlighted a high rate of dislocation (15.6% at 6 months) after change of prosthesis. So far, no study has ever proved the benefit of dual-mobility articulation during PFFs revisions. We conducted a comparative study on two prospective cohorts in order to (1) assess the influence of systematic acetabular revision in favor of a double mobility on dislocation rate (2) and in order to evaluate the rate of morbidity associated with this extra surgical procedure...
September 12, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28899823/a-predictive-radiological-analysis-of-short-stems-versus-both-shortened-and-long-stems-in-primary-hip-replacement-a-case-control-study-of-100-cases-of-metha-versus-abg-ii-and-omnifit-ha-at-2-8-years-follow-up
#12
Jean-Alain Epinette, Michel Brax, Yves Chammaï
INTRODUCTION: Short hip stems, intended to conserve bone stock and ensure a more physiological distribution of stress in the femur under loading, are meeting with renewed interest. Radiologic semiology is not known exactly, particularly in relation to conventional implants; we therefore conducted a case-control study of 3 types of implant differing only in stem length: short, shortened or long. The aim was 1) to compare radiographic aspects, 2) to attempt to systematize medium-term radiologic status for the 3 types, and 3) to assess the impact of radiographic aspect on loosening and revision rates...
September 9, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28899592/the-american-college-of-surgeons-national-surgical-quality-improvement-program-surgical-risk-calculator-has-a-role-in-predicting-discharge-to-post-acute-care-in-total-joint-arthroplasty
#13
Daniel E Goltz, Billy T Baumgartner, Cary S Politzer, Marcus DiLallo, Michael P Bolognesi, Thorsten M Seyler
BACKGROUND: Patient demand and increasing cost awareness have led to the creation of surgical risk calculators that attempt to predict the likelihood of adverse events and to facilitate risk mitigation. The American College of Surgeons National Surgical Quality Improvement Program Surgical Risk Calculator is an online tool available for a wide variety of surgical procedures, and has not yet been fully evaluated in total joint arthroplasty. METHODS: A single-center, retrospective review was performed on 909 patients receiving a unilateral primary total knee (496) or hip (413) arthroplasty between January 2012 and December 2014...
August 18, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28899125/reduction-of-metal-artifacts-from-unilateral-hip-arthroplasty-on-dual-energy-ct-with-metal-artifact-reduction-software
#14
Dong Yue, Cheng Fan Rong, Cai Ning, Hu Liang, Liu Ai Lian, Wang Ru Xin, Luo Ya Hong
Background The evaluation of hip arthroplasty is a challenge in computed tomography (CT). The virtual monochromatic spectral (VMS) images with metal artifact reduction software (MARs) in spectral CT can reduce the artifacts and improve the image quality. Purpose To evaluate the effects of VMS images and MARs for metal artifact reduction in patients with unilateral hip arthroplasty. Material and Methods Thirty-five patients underwent dual-energy CT. Four sets of VMS images without MARs and four sets of VMS images with MARs were obtained...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28894690/management-of-asymptomatic-bacteriuria-urinary-catheters-and-symptomatic-urinary-tract-infections-in-patients-undergoing-surgery-for-joint-replacement-a-position-paper-of-the-expert-group-infection-of-swissorthopaedics
#15
REVIEW
Parham Sendi, Olivier Borens, Peter Wahl, Martin Clauss, Ilker Uçkay
In this position paper, we review definitions related to this subject and the corresponding literature. Our recommendations include the following statements. Asymptomatic bacteriuria, asymptomatic leukocyturia, urine discolouration, odd smell or positive nitrite sediments are not an indication for antimicrobial treatment. Antimicrobial treatment of asymptomatic bacteriuria does not prevent periprosthetic joint infection, but is associated with adverse events, costs and antibiotic resistance development. Urine analyses or urine cultures in asymptomatic patients undergoing orthopaedic implants should be avoided...
2017: Journal of bone and joint infection
https://www.readbyqxmd.com/read/28883822/the-role-of-the-chemokine-system-in-tissue-response-to-prosthetic-by-products-leading-to-periprosthetic-osteolysis-and-aseptic-loosening
#16
REVIEW
Tereza Dyskova, Jiri Gallo, Eva Kriegova
Millions of total joint replacements are performed annually worldwide, and the number is increasing every year. The overall proportion of patients achieving a successful outcome is about 80-90% in a 10-20-years time horizon postoperatively, periprosthetic osteolysis (PPOL) and aseptic loosening (AL) being the most frequent reasons for knee and hip implant failure and reoperations. The chemokine system (chemokine receptors and chemokines) is crucially involved in the inflammatory and osteolytic processes leading to PPOL/AL...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28875344/sweet-s-syndrome-a-clinical-entity-need-to-discriminate-against-acute-haematogenous-periprosthetic-joint-infection
#17
Ju Hong Lee, Ki Bum Kim, Ju Rang Lee, Myougn Ja Chung, Sung Il Wang
Sweet's syndrome (SS) or acute febrile neutrophilic dermatosis is an uncommon condition. It is characterized by fever, polymorphonuclear leukocytosis, painful erythematous cutaneous plaques, and dense dermal infiltrate of neutrophils without vasculitis at the site of skin lesions. Lesions in SS might enlarge and coalesce with increasing dermal oedema, resulting in pseudo-vesicular appearance mimicking joint infections. Here, a rare case of SS mimicking acute haematogenous periprosthetic infection in a 74-year-old woman with a history of total knee arthroplasty is reported...
September 5, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28873059/traction-assisted-internal-negative-pressure-wound-therapy-with-bridging-retention-sutures-to-facilitate-staged-closure-of-high-risk-wounds-under-tension
#18
Michael V DeFazio, James M Economides, Ersilia L Anghel, Ryan K Mathis, John R Barbour, Christopher E Attinger
BACKGROUND/OBJECTIVE: Loss of domain often complicates attempts at delayed wound closure in regions of high tension. Wound temporization with traction-assisted internal negative pressure wound therapy (NPWT), using bridging retention sutures, can minimize the effects of edema and elastic recoil that contribute to progressive tissue retraction over time. The investigators evaluated the safety and efficacy of this technique for complex wound closure. MATERIALS AND METHODS: Between May 2015 and November 2015, 18 consecutive patients underwent staged reconstruction of complex and/or contaminated soft tissue defects utilizing either conventional NPWT or modified NPWT with instillation and continuous dermatotraction via bridging retention sutures...
July 26, 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28872523/serum-d-dimer-test-is-promising-for-the-diagnosis-of-periprosthetic-joint-infection-and-timing-of-reimplantation
#19
Alisina Shahi, Michael M Kheir, Majd Tarabichi, Hamid R S Hosseinzadeh, Timothy L Tan, Javad Parvizi
BACKGROUND: Despite the availability of a battery of tests, the diagnosis of periprosthetic joint infection (PJI) continues to be challenging. Serum D-dimer assessment is a widely available test that detects fibrinolytic activities that occur during infection. We hypothesized that patients with PJI may have a high level of circulating D-dimer and that the presence of a high level of serum D-dimer may be a sign of persistent infection in patients awaiting reimplantation. METHODS: This prospective study was initiated to enroll patients undergoing primary and revision arthroplasty...
September 6, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28871407/in-vitro-antimicrobial-susceptibility-testing-methods-agar-dilution-to-3d-tissue-engineered-models
#20
REVIEW
A Schumacher, T Vranken, A Malhotra, J J C Arts, P Habibovic
In the field of orthopaedic surgery, bacterial invasion of implants and the resulting periprosthetic infections are a common and unresolved problem. Antimicrobial susceptibility testing methods help to define the optimal treatment and identify antimicrobial resistance. This review discusses proven gold-standard techniques and recently developed models for antimicrobial susceptibility testing, while also providing a future outlook. Conventional, gold-standard methods, such as broth microdilution, are still widely applied in clinical settings...
September 4, 2017: European Journal of Clinical Microbiology & Infectious Diseases
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