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Prosthetic AND Fracture

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https://read.qxmd.com/read/30765230/the-lawrence-d-dorr-surgical-techniques-and-technologies-award-why-are-contemporary-revision-total-hip-arthroplasties-failing-an-analysis-of-2500-cases
#1
Ashton H Goldman, Rafael J Sierra, Robert T Trousdale, David G Lewallen, Daniel J Berry, Matthew P Abdel
BACKGROUND: As revision implants and techniques have evolved and improved, understanding why contemporary revision total hip arthroplasties (THAs) fail is important to direct further improvement and innovation. As such, the goals of this study are to determine the implant survivorship of contemporary revision THAs, as well as the most common indications for re-revision. METHODS: We retrospectively reviewed 2589 aseptic revision THAs completed at our academic institution between 2005 and 2015 through our total joint registry...
January 23, 2019: Journal of Arthroplasty
https://read.qxmd.com/read/30755847/cutibacterium-formerly-propionibacterium-acnes-clavicular-infection
#2
Musa Zaid, Madisyn R Chavez, Adrianna E Carrasco, Melissa N Zimel, Alan L Zhang, Andrew E Horvai, Thomas M Link, Richard J O'Donnell
Cutibacterium (formerly Propionibacterium ) acnes13, 16 is a slow growing, gram-positive bacteria that is naturally found in higher concentrations as skin flora on the chest and back, as well as in other areas with greater numbers of hair follicles.25, 37 Most of the reported cases of C. acnes shoulder girdle infection follow arthroplasty surgery,18, 20, 26, 27, 32, 35 which then often requires debridement, administration of intravenous antibiotics, and surgical revision of the implanted device.12, 15, 21, 28-30 In a recent study, 56% of 193 shoulder revisions had a positive culture, 70% of which grew C...
2019: Journal of Bone and Joint Infection
https://read.qxmd.com/read/30745036/outcome-of-surgical-treatment-of-inter-prosthetic-fractures-a-case-series
#3
Toby Jennison, Rathan Yarlagadda
INTRODUCTION: Interprosthetic fractures occur between a total knee replacement and a femoral stem of either a hemiarthroplasty or total hip replacement. The number of interprosthetic fractures will increase as the number of joint replacements rises. There is currently a paucity of literature looking at the outcomes of interprosthetic fractures. Therefore, we performed a retrospective study to: (1) determine fracture union in patients following surgical treatment of a femoral interprosthetic fracture, (2) measure outcomes included mortality and complications...
February 7, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://read.qxmd.com/read/30738691/microbiology-of-polymicrobial-prosthetic-joint-infection
#4
Laure Flurin, Kerryl E Greenwood-Quaintance, Robin Patel
Prosthetic joint infection (PJI) is a rare but challenging complication of arthroplasty. Herein, we describe the epidemiology and microbiology of PJI, with a focus on analyzing differences between the microbiology of polymicrobial versus monomicrobial infection of hip, knee, and shoulder prostheses. In addition, we report the most frequent co-pathogens in polymicrobial infections, as detected by culture. A total of 373 patients diagnosed with PJI at Mayo Clinic were studied. For hip and knee arthroplasties, a higher proportion of fractures (P = 0...
January 15, 2019: Diagnostic Microbiology and Infectious Disease
https://read.qxmd.com/read/30715021/two-stage-management-of-a-spontaneous-fracture-of-the-greater-trochanter-through-osteolytic-lesions-induced-by-polyethylene-wear-of-a-total-hip-arthroplasty-a-case-report
#5
Dario Regis, Andrea Sandri, Elena Samaila, Bruno Magnan
Pelvic osteolysis induced by particulate debris derived from bearing surfaces is a well-known complication following total hip arthroplasty (THA). Atraumatic fractures of the greater trochanter (GT) associated with osteolytic lesions have been occasionally described. We present a case of a 71-year-old male patient who sustained an undisplaced fracture of the GT nine years following cementless metal-on-polyethylene THA. The fracture occurred through a 2.5-cm large osteolytic area, and no hip trauma was recorded...
January 10, 2019: Acta Bio-medica: Atenei Parmensis
https://read.qxmd.com/read/30702588/a-left-femoral-artery-to-right-femoral-vein-bypass-graft-for-hemodialysis-access-a-case-report
#6
Jian Wang, Jie Li, Jinhong Sun, Jun Xin, W-H Lei
RATIONALE: As survival prospects improve for long-term patients with hemodialysis, it is common for patients to exhaust all upper extremity access options before other avenues need exploration. The purpose of this case report was to describe our experience in creating a prosthetic graft between left femoral artery and right femoral vein in a patient with history of central venous occlusion and bilateral femoral neck fracture. PATIENT CONCERNS: A female patient with hemodialysis exhausted all upper extremity access options along with bilateral femoral neck fracture...
February 2019: Medicine (Baltimore)
https://read.qxmd.com/read/30690111/ten-year-clinical-outcome-of-single-implant-retained-mandibular-overdentures-a-prospective-pilot-study
#7
Nicole Passia, Stefan Wolfart, Matthias Kern
OBJECTIVES: The aim of this prospective pilot study was to evaluate the concept of one single implant placed in the edentulous mandible to retain a complete denture with regard to implant survival and prosthodontic maintenance over an observation period of 10 years. MATERIALS AND METHODS: Eleven edentulous patients were included and received one implant in the midline of the mandible. Five implants healed submerge and were uncovered 2 months later. The other six healed un-submerged and were provided with a healing abutment 4 mm in height thus moderately loaded...
January 25, 2019: Journal of Dentistry
https://read.qxmd.com/read/30686511/clinical-outcomes-following-reverse-shoulder-arthroplasty-allograft-composite-for-revision-of-failed-arthroplasty-associated-with-proximal-humeral-bone-deficiency-2-to-15-year-follow-up
#8
Jacob L Cox, Paul B McLendon, Kaitlyn N Christmas, Peter Simon, Mark A Mighell, Mark A Frankle
BACKGROUND: Patients with pain and disability due to a prior failed shoulder arthroplasty with associated proximal humeral bone loss have limited reconstruction options. Our purpose was to report the results of a large cohort of patients treated with a reverse shoulder allograft-prosthetic composite (APC). METHODS: Between 2002 and 2012, a total of 73 patients were treated with a reverse shoulder APC and had adequate follow-up. Clinical outcome scores, range of motion, and radiographic evidence of failure were assessed...
January 25, 2019: Journal of Shoulder and Elbow Surgery
https://read.qxmd.com/read/30638000/-proximal-humerus-fractures-conservative-or-surgical-treatment
#9
Herman Frima, R Marijn Houwert, Reinier B Beks, Mark van Heijl, Detlef van der Velde, Frank J P Beeres
There is an increasing incidence of proximal humerus fractures. Patients with proximal humerus fractures have traditionally been treated conservatively. During the past decades, however, various new osteosynthetic and prosthetic implants have been developed for the shoulder and surgical treatment of proximal humerus fractures has increased. However, recent literature in which conservative and surgical treatment of proximal humerus fractures is compared has shown no difference in functional outcome. The trend towards more frequent surgical treatment is thus not based on scientific evidence...
January 3, 2019: Nederlands Tijdschrift Voor Geneeskunde
https://read.qxmd.com/read/30630363/early-to-mid-term-outcome-of-oxinium-on-verilast-highly-cross-linked-polyethylene-bearing-surface-in-uncemented-total-hip-arthroplasty
#10
Anshul S Sobti, Constant A Busch, John A Afolayan, Dean Michael, Rishi Chana
INTRODUCTION: We report 5- to 10-year clinical and radiological outcomes of a series of uncemented Oxinium on Verilast (highly cross-linked polyethylene liners) total hip replacements (THAs) using the Anthology stem and R3/Reflection cup system. METHODS: 116 THAs were performed by 2 senior authors in 104 patients from 2005 to 2009. The mean age at time of operation was 63.8 (45-80) years. The average length of follow-up was 8.8 years. At final data collection 12 patients had died (13 THAs) and 3 patients (3 THAs) were lost to follow-up...
January 11, 2019: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://read.qxmd.com/read/30621987/imaging-for-predicting-and-assessing-prosthesis-patient-mismatch-after-aortic-valve-replacement
#11
REVIEW
Philippe Pibarot, Julien Magne, Jonathon Leipsic, Nancy Côté, Philippe Blanke, Vinod H Thourani, Rebecca Hahn
Prosthesis-patient mismatch (PPM) occurs when the effective orifice area (EOA) of the prosthetic valve is too small in relation to a patient's body size, thus resulting in high residual postoperative pressure gradients across the prosthesis. Severe PPM occurs in 2% to 20% of patients undergoing surgical aortic valve replacement (AVR) and is associated with 1.5- to 2.0-fold increase in the risk of mortality and heart failure rehospitalization. The purpose of this article is to present an overview of the role of multimodality imaging in the assessment, prediction, prevention, and management of PPM following AVR...
January 2019: JACC. Cardiovascular Imaging
https://read.qxmd.com/read/30614942/chronic-liver-disease-patients-have-worse-outcomes-and-increased-postoperative-complications-after-orthopedic-fractures
#12
Marianna G Mavilia, Richa Bhardwaj, Dorothy Wakefield, Raffi Karagozian
INTRODUCTION: Cirrhotic patients are at a higher risk for sustaining orthopedic fractures with a reported prevalence of 5% to 20%. Cirrhosis also affects wound healing and bleeding risk, and hence, impacts the postoperative outcomes after fracture repair. However, there is limited data available on the postoperative risk factors and clinical outcomes of fractures in patients with chronic liver disease (CLD). METHODS: Data from the National Inpatient Sample for the years 2012 to 2015 were analyzed...
January 4, 2019: Journal of Clinical Gastroenterology
https://read.qxmd.com/read/30612171/a-comparative-study-about-the-incidence-of-dislocation-and-peri-prosthetic-fracture-between-dual-mobility-versus-standard-cups-after-primary-total-hip-arthroplasty
#13
Elliot Sappey-Marinier, Anthony Viste, Yoann Blangero, Romain Desmarchelier, Michel-Henri Fessy
PURPOSE: Dislocation and peri-prosthetic fracture (PPF) are major reasons for revision THA (total hip arthroplasty). The main advantage of dual mobility (DM) cups is to minimize the incidence of dislocation compared to single mobility (SM) cups. We hypothesized that the use of DM would lead to an increased risk of PPF because of its greater stability. In contrast, standard cups would be at higher risk of dislocation. METHODS: A retrospective comparative study was performed in our institution including 126 revision THAs between January 2013 and December 2017...
January 5, 2019: International Orthopaedics
https://read.qxmd.com/read/30611628/traumatic-incudomalleolar-disarticulation
#14
Anna Luisa Kühn, Yu-Ming Chang
Traumatic head injuries can be associated with ossicular chain disruption. Especially in the setting of temporal bone fractures, proper alignment of the ossicular chain has to be insured. Loss of normal ossicular alignment is associated with conductive hearing loss. Treatment of ossicular chain disruption, so called ossiculoplasty, aims to restore proper anatomic alignment of the ossicles with osseous or cartilaginous autograft and/or prosthetic devices.
January 2, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30606215/inferomedial-cortical-bone-contact-and-fixation-with-calcar-screws-on-the-dynamic-and-static-mechanical-stability-of-proximal-humerus-fractures
#15
Xiaofeng Zhang, Junwu Huang, Lin Zhao, Yi Luo, Hanxin Mao, Yanfeng Huang, Weibing Chen, Qi Chen, Bangjun Cheng
BACKGROUND: This study aimed to explore the effect of retaining inferomedial cortical bone contact and fixation with calcar screws on the dynamic and static mechanical stability of proximal humerus fractures treated with a locking plate. METHODS: Twelve Synbone prosthetic humeri (SYNBONE-AG, Switzerland) were used for a wedge osteotomy model at the proximal humerus, in four groups. In the cortex contact + screw fixation group and cortex contact group, the inferomedial cortical bone contact was retained...
January 3, 2019: Journal of Orthopaedic Surgery and Research
https://read.qxmd.com/read/30602632/a-comparison-of-torque-stress-on-abutment-screw-of-external-hexagon-and-morse-taper-implant
#16
Eduardo Dos S Rodrigues, Paula Benetti, João P De Carli, Luiz R Paranhos, Pâmela L Santos, Maria Ss Linden
AIM: This three-dimensional (3D) finite element analysis observed the stress distribution on the prosthetic screws on external hexagon implant and morse taper implant with different tightening loads. MATERIALS AND METHODS: For this, two different 3D models assembly were obtained from the manufacturer and transferred to finite element analysis software: External hex implant model (EHM), and Morse taper implant model (MTM), both compounds by 3.75 × 7 mm implant, abutment and abutment screw...
November 1, 2018: Journal of Contemporary Dental Practice
https://read.qxmd.com/read/30598423/positive-and-negative-factors-for-the-treatment-outcomes-following-total-ankle-arthroplasty-a-systematic-review
#17
REVIEW
Dahang Zhao, Dichao Huang, Gonghao Zhang, Xu Wang, Tiansong Zhang, Xin Ma
BACKGROUND: Patient selection, surgeon's experience and implant design play an integral role and affect the treatment outcomes of total ankle arthroplasty (TAA). The aims of this study were to investigate the positive and negative attributes that correlate with different clinical and radiographic outcomes. METHODS: Eight-nine studies matched the inclusion criteria: (1) studies of primary TAA with uncemented prosthesis; (2) mean follow-up of no less than 2-year; (3) reports of clinical and radiographic outcomes, and exclusion criteria: (1) non-English study; (2) more than one type of prosthesis without separated data; (3) kin studies with shorter follow-up or smaller cohort...
December 24, 2018: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://read.qxmd.com/read/30595060/a-comparison-of-clinical-radiographic-and-surgical-outcomes-of-total-hip-arthroplasty-between-direct-anterior-and-posterior-approaches-a-systematic-review-and-meta-analysis
#18
Fangteng Jia, Bin Guo, Feixiang Xu, Yuechao Hou, Xiongfeng Tang, Lanfeng Huang
OBJECTIVE: A systematic review and meta-analysis were used to directly evaluate the direct anterior approach (DAA) and the posterior approach (PA) for early efficacy and safety of total hip arthroplasty (THA). METHODS: Control-led trials assessing DAA and PA for the efficacy and safety of THA were searched in the database. Articles were reviewed according to predetermined inclusion and exclusion criteria; the quality of the methodology included in a given study was strictly assessed before data extraction...
December 31, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://read.qxmd.com/read/30594062/biomechanical-aspects-of-reinforced-implant-overdentures-a-systematic-review
#19
REVIEW
Mona Fathy Gibreel, Ahmed Khalifa, Mohamed Mostafa Said, Fatma Mahanna, Nesma El-Amier, Timo O Närhi, Leila Perea-Lowery, Pekka K Vallittu
PURPOSE: The purpose of this systematic review was to investigate the effect of reinforcement on the mechanical behaviour of implant overdenture (IOD) bases and its cumulative biological effect on the underlying supporting structures (implants and the residual ridge). MATERIAL AND METHODS: The required documents were collected electronically from PubMed and Web of Science databases targeting papers published in English that focused on denture base reinforcement for IOD prostheses in order to recognize the principal outcomes of reinforcement on the mechanical and biological properties of overdentures...
December 11, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://read.qxmd.com/read/30583647/-clinical-outcome-of-enhanced-recovery-after-surgery-for-hemiarthroplasty-for-the-treatment-of-femoral-neck-fractures-in-elderly-patients
#20
Zhi-Min Zeng, Zhe-Yu Huang, Kun Tao, Jing Ling, Zheng-Lin Di
OBJECTIVE: To analyze and evaluate the clinical outcomes of enhanced recovery after surgery(ERAS) for hemiarthroplasty for the treatment of femoral neck fractures in elderly patients. METHODS: From January 2015 to December 2016, 466 patients with femoral neck fractures were admitted in our department. Among them, 154 patients were more than 80 years old, with an average age of (83.9±3.2) years old (ranged, 80 to 96 years old), including 27 males and 127 females...
December 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
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