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https://www.readbyqxmd.com/read/29663650/content-of-distinct-metals-in-periprosthetic-tissues-and-pseudosynovial-joint-fluid-in-patients-with-total-joint-arthroplasty
#1
Martin Kuba, Jiří Gallo, Tomáš Pluháček, Martin Hobza, David Milde
This prospective study examined the content of metals released from total joint arthroplasty into joint fluid, whole blood and periprosthetic tissues. We determined the levels of Ti, V, Nb, Co, Cr, and Mo, using inductively coupled plasma mass spectrometry, in samples from patients who underwent reoperation of total hip or knee arthroplasty. All of the patients (n = 117) included in the study had either metal on polyethylene or ceramic on polyethylene-bearing pairs. First, our results conclusively showed that the majority of released metals were deposited in periprosthetic tissues...
April 16, 2018: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29657840/third-generation-pure-alumina-and-alumina-matrix-composites-in-total-hip-arthroplasty-what-is-the-evidence
#2
Didier Hannouche, Matthieu Zingg, Hermes Miozzari, Remy Nizard, Anne Lübbeke
Wear, corrosion and periprosthetic osteolysis are important causes of failure in joint arthroplasty, especially in young patients.Ceramic bearings, developed 40 years ago, are an increasingly popular choice in hip arthroplasty. New manufacturing procedures have increased the strength and reliability of ceramic materials and reduced the risk of complications.In recent decades, ceramics made of pure alumina have continuously improved, resulting in a surgical-grade material that fulfills clinical requirements...
January 2018: EFORT Open Reviews
https://www.readbyqxmd.com/read/29601988/oxide-ceramic-femoral-heads-contribute-to-the-oxidation-of-polyethylene-liners-in-artificial-hip-joints
#3
Giuseppe Pezzotti, Wenliang Zhu, Nobuhiko Sugano, Elia Marin, Kengo Yamamoto, Naomichi Nishiike, Tsubasa Hori, Alfredo Rondinella, Bryan J McEntire, Ryan Bock, B Sonny Bal
Experimental evidence demonstrates that a loss of stoichiometry at the surface of oxide bioceramic femoral heads enhances the oxidation rate of polyethylene acetabular liners in artificial hip joints. Contradicting the common notion that ceramics are bioinert, three independent experiments confirmed substantial chemical interactions between the ceramic femoral heads and their polyethylene counterparts. The experiments reported herein included hydrothermal tests, frictional tests, and hip-simulator experiments...
March 17, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29599034/clinical-outcomes-and-bearing-specific-complications-following-fourth-generation-alumina-ceramic-on-ceramic-total-hip-arthroplasty-a-single-surgeon-series-of-749-hips-at-a-minimum-of-5-year-follow-up
#4
Seung-Jae Lim, Hyung-Gon Ryu, Hyeon-Jun Eun, Chan-Woo Park, Kyeu-Back Kwon, Youn-Soo Park
BACKGROUND: The purpose of this study is to evaluate the minimum 5-year outcomes and bearing-specific complications in a single surgeon series of fourth-generation alumina ceramic-on-ceramic total hip arthroplasties (THAs). METHODS: We retrospectively analyzed 667 patients (749 hips) who underwent primary THAs by a single surgeon using fourth-generation alumina ceramic bearings. There were 315 men and 352 women with a mean age of 54.2 years. The surgeon used cementless prostheses with an identical design and BIOLOX Delta ceramics in all hips, using a 36-mm head in 472 hips (63%) and a 32-mm head in 227...
February 17, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29581066/no-lower-bacterial-adhesion-for-ceramics-compared-to-other-biomaterials-an-in-vitro-analysis
#5
P A Slullitel, M A Buttaro, G Greco, J I Oñativia, M L Sánchez, S Mc Loughlin, C García-Ávila, F Comba, G Zanotti, F Piccaluga
BACKGROUND: Although there is some clinical evidence of ceramic bearings being associated with a lower infection rate after total hip arthroplasty (THA), available data remains controversial since this surface is usually reserved for young, healthy patients. Therefore, we investigated the influence of five commonly-used biomaterials on the adhesion potential of four biofilm-producing bacteria usually detected in infected THAs. HYPOTHESIS: Ceramic biomaterials exhibit less bacterial adherence than other biomaterials...
March 23, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29570759/using-ceramic-on-ceramic-bearings-in-total-hip-arthroplasty-necessitating-44-or-46-mm-metal-shells
#6
Chan Ho Park, Yong-Chan Ha, Young-Kyun Lee, Kyung-Hoi Koo
Ceramic-on-ceramic articulation shows the lowest wear, with a low incidence of osteolysis. A small cup limits options regarding liner thickness and femoral implant size. The purpose of this study was to evaluate the safety of a 4-mm-thick ceramic liner and the outcomes of cementless total hip arthroplasty using a 44- or 46-mm metal shell and a ceramic-on-ceramic bearing at mid- to long-term follow-up. Between May 2003 and June 2008, 80 patients (88 hips) who had hip osteoarthritis and a hypoplastic acetabulum underwent cementless total hip arthroplasty using a 44- or 46-mm metal shell and a ceramic-on-ceramic bearing...
March 23, 2018: Orthopedics
https://www.readbyqxmd.com/read/29564293/total-hip-arthroplasty-using-ceramic-on-ceramic-bearing-surfaces-long-term-assessment-of-squeaking-sounds
#7
Min Wook Kim, Sang Min Kim, Young Yool Chung
Purpose: This study was performed to characterize the natural history of squeaking sounds that occur following total hip arthroplasty (THA) using ceramic-on-ceramic bearing surfaces and its potential correlation with clinical and/or radiological results. Materials and Methods: This study included 47 patients who underwent THA between April 1999 and April 2005, and had at least 10 years of follow up from the time of the operation. Squeaking sounds were detected in 10 out of the 47 cases (21...
March 2018: Hip & Pelvis
https://www.readbyqxmd.com/read/29564292/short-term-outcomes-of-ceramic-coated-metal-on-metal-large-head-in-total-hip-replacement-arthroplasty
#8
Weon-Yoo Kim, Myung-Sup Ko, Se-Won Lee, Kwang-Sub Kim
Purpose: This study characterizes the short-term outcomes of ceramic coated metal-on-metal (MoM) large head total hip arthroplasty (THA) in prospectively selected patients aged 70 to 75 years. Materials and Methods: Eighteen patients (18 hips) between the ages of 70 and 75-years old with THA using ceramic-coated MoM large heads between June 2014 and December 2014 were evaluated. We prospectively selected patients younger than 70 years for bipolar hemiarthroplasty and older than 75 years for conventional THA...
March 2018: Hip & Pelvis
https://www.readbyqxmd.com/read/29536682/-application-of-tri-lock-bone-preservation-stem-in-acetabular-protrusion-combined-with-shorten-defect-of-femoral-head-and-neck
#9
Jun Liu, Ping Zhen, Sheng-Hu Zhou, Qi Tian, Hui Chen, Wei Wang, Xiao-le He, Xu-Sheng Li
OBJECTIVE: To evaluate the manipulation technique and clinical outcome of Tri-Lock bone preservation stem for acetabular protrusion combined with shorten defect of femoral head and neck. METHODS: From January 2013 to December 2015, 10 patients(12 hips) with acetabular protrusion combined with shorten defect of femoral head and neck were treated with total hip arthroplasty(THA) including 5 males and 5 female with an average age of(51.6±3.0) years old ranging from 42...
February 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29536681/-effect-of-ceramic-on-ceramic-total-hip-arthroplasty-in-crowe-iv-developmental-dysplasia-of-the-hip
#10
Jing-Yang Sun, Yong-Gang Zhou, Yin-Qiao Du, Shang Piao, Sen Wang, Zhi-Sen Gao, Wen-Ming Wu, Hai-Yang Ma
OBJECTIVE: To observe the clinical effect of ceramic on ceramic total hip arthroplasty(THA)in Crowe IV developmental dysplasia of the hip(DDH). METHODS: From April 2008 to December 2015, 137 hips of 111 Crowe IV DDH patients received THA using Forte or Delta ceramic on ceramic by one senior surgeon, which consists of 85 unilateral hips and 26 bilateral hips. The average age of the patients was(38.88±10.83) years old ranging from 18 to 68 years old. The mean follow-up was(41...
February 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29530520/influence-of-assembly-force-and-distraction-on-the-femoral-head-taper-junction
#11
Matthew J Grosso, Eugene S Jang, Jason Longaray, Sezen Buell, Edward Alfonso, Roshan P Shah
BACKGROUND: This study investigates if the placement of femoral heads (trials and actual implants) using varying impaction forces causes physical compromise to the trunnion. METHODS: Trunnion and head taper wear patterns were evaluated after impaction and removal of new femoral stem trunnions and ceramic heads at various impaction loads (2 kN, 4 kN, or 6 kN, n = 6/group). In addition, trunnion wear patterns were measured after plastic trials were hand-placed on new trunnions and underwent range of motion testing in a Hip Simulator (n = 5)...
February 14, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29520468/ten-year-survival-and-chipping-rates-and-clinical-quality-grading-of-zirconia-based-fixed-dental-prostheses
#12
Maren Teichmann, Anna Lena Wienert, Marcia Rückbeil, Volker Weber, Stefan Wolfart, Daniel Edelhoff
OBJECTIVES: To prospectively evaluate the clinical long-term outcome of 3- to 6-unit fixed dental prostheses (FDPs) made of hot isostatic pressed (HIP) zirconia frameworks, veneered with a synthetic sintering glass-ceramic. MATERIALS AND METHODS: A total of 27 different restorations were cemented in 21 patients. FDPs were examined with regard to biological and technical complications/failures. Additionally, clinical quality was assessed based on (i) the California Dental Association (CDA) criteria, (ii) the patient's viewpoint according to Hickel, and (iii) periodontal parameters...
March 8, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29520467/outcomes-after-revision-of-metal-on-metal-hip-resurfacing-to-total-arthroplasty-using-the-direct-anterior-approach
#13
Victoire Bouveau, Thomas-Xavier Haen, Joel Poupon, Christophe Nich
BACKGROUND: Function after revision total hip arthroplasty (THA) in failed metal-on-metal (MoM) hip resurfacing arthroplasty (HRA) is variable, but post-operative complication rates are reportedly high. We hypothesized HRA conversion to THA using the direct anterior approach (DAA) would be associated with optimal outcome. METHODS: Seventeen MoM-HRAs in 15 patients (seven males, eight females) were revised through the DAA. The mean age was 45 years (28-59 yrs)...
March 8, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29510952/comparison-of-postoperative-complications-following-metal-on-metal-total-hip-arthroplasty-with-other-hip-bearings-in-medicare-population
#14
Lindsay T Kleeman, Abiram Bala, Colin T Penrose, Thorsten M Seyler, Samuel S Wellman, Michael P Bolognesi
BACKGROUND: The use of metal-on-metal (MoM) hip bearings has declined in the recent years due to strong evidence of their high complication rates and early failure. Hip implants with highly cross-linked polyethylene liners and ceramic bearings have become the modern implants of choice. We sought to determine if MoM implants are associated with higher complication and revision rates when compared to other hip bearings in the Medicare population. METHODS: We retrospectively reviewed a Medicare database (2005-2011) for patients who underwent a primary total hip arthroplasty with a MoM, metal-on-polyethylene (MoP), ceramic-on-polyethylene (CoP), or ceramic-on-ceramic (CoC) implant (minimum 2 years of follow-up)...
February 5, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29504054/higher-prevalence-of-periprosthetic-fractures-with-ceramic-on-polyethylene-hip-bearing-compared-with-ceramic-on-ceramic-on-the-contralateral-side-a-forty-year-experience-with-hip-osteonecrosis
#15
Philippe Hernigou, Jean Charles Auregan, Claire Bastard, Victor Housset, Charles Henri Flouzat-Lachaniette, Arnaud Dubory
PURPOSE: It is unclear whether late THA periprosthetic femoral fractures are related to a mechanical mechanism that decreases strength of the femur (for example, loosening) or to a biological problem as osteolysis. It is also unknown if ceramic on ceramic bearing couples decrease the risk of late periprosthetic fractures as a result of the absence of wear and osteolysis. MATERIAL AND METHODS: We therefore asked whether the cumulative long-term fractures were different according to the couple of friction ceramic on ceramic or ceramic on polyethylene in 327 patients (654 hips) with bilateral THA (one ceramic-ceramic, and the contralateral ceramic-polyethylene) who had THA with cemented stems performed between from 1978 to 2000 for osteonecrosis...
March 4, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29500091/cementless-total-hip-arthroplasty-in-crowe-iii-and-iv-dysplasia-high-hip-center-and-modular-necks
#16
Maurizio Montalti, Francesco Castagnini, Federico Giardina, Enrico Tassinari, Federico Biondi, Aldo Toni
BACKGROUND: Total hip arthroplasty (THA) in severe developmental dysplasia of the hip (DDH) is a challenging procedure. The most used techniques involve anatomic cup positioning, augmentation femoral osteotomy. However, anatomic cup positioning is not always feasible in severe DDH and osteotomy nonunion may ensue. The purpose of the study was to assess the survivorship, the hip score results, the radiological parameters (fixation, loosening, component position) of a large cohort of patients with Crowe III and IV DDH, treated with high hip center and modular necks THAs...
February 2, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29486505/-ceramic-on-ceramic-in-total-hip-replacement-revision
#17
Davide Cucchi, Martin Gathen, Robert Streicher, Dieter Christian Wirtz
BACKGROUND: The use of Ceramic-on-Ceramic (CoC) bearings in primary total hip arthroplasty (THA) is increasing and has been intensively analysed. This bearing plays a particularly relevant role in young, active patients and shows advantages over other bearings in biocompatibility, wear rate and lubrication properties. On the contrary, CoC bearings in revision THA are seldom used and scarcely analysed. The aim of this study is to systematically review the available literature on CoC bearings in revision THA...
February 27, 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29437054/the-effect-of-bearing-surface-on-risk-of-periprosthetic-joint-infection-in-total-hip-arthroplasty-a-systematic-review-and-meta-analysis
#18
REVIEW
A T Hexter, S M Hislop, G W Blunn, A D Liddle
AIMS: Periprosthetic joint infection (PJI) is a serious complication of total hip arthroplasty (THA). Different bearing surface materials have different surface properties and it has been suggested that the choice of bearing surface may influence the risk of PJI after THA. The objective of this meta-analysis was to compare the rate of PJI between metal-on-polyethylene (MoP), ceramic-on-polyethylene (CoP), and ceramic-on-ceramic (CoC) bearings. PATIENTS AND METHODS: Electronic databases (Medline, Embase, Cochrane library, Web of Science, and Cumulative Index of Nursing and Allied Health Literature) were searched for comparative randomized and observational studies that reported the incidence of PJI for different bearing surfaces...
February 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29429884/midterm-prospective-comparative-analysis-of-2-hard-on-hard-bearing-total-hip-arthroplasty-designs
#19
J Ryan Martin, Jason M Jennings, Tyler S Watters, Dan L Levy, Todd M Miner, Douglas A Dennis
INTRODUCTION: Hard-on-hard (HoH) bearing surfaces in total hip arthroplasty (THA) are commonly utilized in younger patients and may decrease mechanical wear compared to polyethylene bearing surfaces. To our knowledge, no study has prospectively compared the 2 most common HoH bearings, ceramic-on-ceramic (CoC) and metal-on-metal (MoM) THA. MATERIALS AND METHODS: We prospectively enrolled 40 patients to undergo an MoM THA and 42 patients to undergo a CoC THA utilizing the same acetabular component...
January 31, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29429883/total-hip-arthroplasty-bearing-surface-trends-in-the-united-states-from-2007-to-2014-the-rise-of-ceramic-on-polyethylene
#20
Nathanael D Heckmann, Lakshmanan Sivasundaram, Michael D Stefl, Hyunwoo Paco Kang, Eric T Basler, Jay R Lieberman
BACKGROUND: Wear of the bearing surface is a critical element in determining the longevity of a total hip arthroplasty (THA). Over the past decade, concerns related to modern metal-on-metal (MoM) bearings and corrosion at the femoral head-neck interface have influenced surgeon selection of bearing surfaces. The purpose of this study is to analyze trends in THA bearing surface selection from 2007 through 2014 using a large national database. METHODS: The Nationwide Inpatient Sample database was used to extract bearing surface data from patients who underwent a primary THA between 2007 and 2014...
January 9, 2018: Journal of Arthroplasty
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