The canine cemented modular total hip prosthesis

1995 ◽  
Vol 31 (2) ◽  
pp. 109-124 ◽  
Author(s):  
ML Olmstead
Keyword(s):  
Veterinary Medicine ◽  
Hip Replacement ◽  
Hip Prosthesis ◽  
Clinical Results ◽  
Total Hip Prosthesis ◽  
Total Hip ◽  
Modular Prosthesis ◽  
Technical Advances ◽  
A Prospective Study ◽  
Better Than

Total hip replacement (THR) is well established as a treatment modality for dogs with noninfectious, nonneoplastic, disabling conditions of the coxofemoral joint. Since the mid 1970s, a fixed-head prosthesis has been used in this procedure. A modular prosthesis, which is based on many of the technical advances found in human prostheses, now is available for use in veterinary medicine. The prosthesis, surgical instrumentation, surgical technique, and clinical results have been evaluated in a prospective study conducted at The Ohio State University's College of Veterinary Medicine. The modular prosthesis provides results equal to or better than the fixed-head prosthesis.

Relationship between clinical results of total hip replacement and postoperative activities including weeding and snow shovelling

2017 ◽  
Vol 28 (2) ◽  
pp. 145-147
Author(s):  
Hiroaki Kijima ◽  
Shin Yamada ◽  
Natsuo Konishi ◽  
Hitoshi Kubota ◽  
Hiroshi Tazawa ◽  
...  
Keyword(s):  
Total Hip Replacement ◽  
Hip Replacement ◽  
Japanese Orthopaedic Association ◽  
Clinical Results ◽  
Average Period ◽  
Work Activities ◽  
Total Hip ◽  
Hip Disease ◽  
High Level ◽  
Better Than

Introduction: Weeding or snow shovelling is indispensable for life in farm villages of northern countries. Clarifying the relationships between the degrees of these activities after total hip replacement (THR) and the clinical results of THR may enable us to predict the results of THR for high-level activity patients. The relationships between work activities after THR and the results were investigated. Methods: The subjects were 95 post-THR patients, who consulted 6 hospitals in August 2012. First, the Japanese Orthopaedic Association Hip-Disease Evaluation Questionnaire (JHEQ) and a questionnaire on postoperative activity were administered. Then, the Japanese Orthopaedic Association hip score (JOA score) was evaluated. Results: The subjects’ average age was 68 years. The average period after surgery was 4 years and 5 months. Weeding and snow shovelling were performed after THR in 44.2% and 40.0% of cases, respectively. The rate of farming after surgery (25.6%) was greater than that of swimming (21.1%). Both the JOA score and JHEQ were higher in those who played sports after THR than in those who did not (p = 0.003, p = 0.0046). The JOA score of those who performed work activities after THR was higher than that of those who did not (p = 0.0295). Conclusions: Nearly half of patients performed weeding or snow shovelling after THR, and about 1/4 of the patients engaged in farming after THR. The clinical results in cases doing sports and work activities after THR were better than those of cases not doing such activities. Therefore, these activities may be positively recommended.

The Porous-Coated Anatomic Total Hip Prosthesis, Inserted without Cement. A Prospective Study with a Minimum Ten Years of Follow-up*

1999 ◽  
Vol 81 (1) ◽  
pp. 74-82 ◽  
Author(s):  
JOHN S. XENOS ◽  
JOHN J. CALLAGHAN ◽  
R. DAVID HEEKIN ◽  
WILLIAM J. HOPKINSON ◽  
CARLTON G. SAVORY ◽  
...  
Keyword(s):  
Prospective Study ◽  
Hip Prosthesis ◽  
Total Hip Prosthesis ◽  
Total Hip ◽  
A Prospective Study

Clinical Results for 19 to 21 Years on Total Hip Prosthesis with Ceramic Head Combined with UHMWPE Socket

2007 ◽  
pp. 1303-1306
Author(s):  
Hiroyuki Oonishi ◽  
Hironobu Oonishi ◽  
Sok Chol Kim ◽  
Shingo Masuda ◽  
Masaru Ueno ◽  
...  
Keyword(s):  
Hip Prosthesis ◽  
Clinical Results ◽  
Ceramic Head ◽  
Total Hip Prosthesis ◽  
Total Hip

Clinical Results for 19 to 21 Years on Total Hip Prosthesis with Ceramic Head Combined with UHMWPE Socket

2007 ◽  
Vol 361-363 ◽  
pp. 1303-1306
Author(s):  
Hiroyuki Oonishi Jr. ◽  
Hironobu Oonishi ◽  
Sok Chol Kim ◽  
Shingo Masuda ◽  
Masaru Ueno ◽  
...  
Keyword(s):  
Wear Rate ◽  
Hip Prosthesis ◽  
Radiolucent Line ◽  
Clinical Results ◽  
Alumina Ceramic ◽  
Ceramic Head ◽  
Total Hip Prosthesis ◽  
Total Hip ◽  
Metal Head

In total hip prosthesis (THP), we have been using alumina ceramic femoral heads to reduce polyethylene debris and the modified cementing technique, which was named “interface bioactive bone cement (IBBC)” method to improve implant fixation. In this study, we investigated the long-term clinical performance of THPs with an alumina ceramic head and IBBC method. From 1986 to 1988, 285 joints (215 patients) were operated on by a senior surgeon, and 265 joints (192 patients) could be followed up. The presence of radiolucent lines, loosening, osteolysis and ultrahigh-molecular-weight polyethylene (UHMWPE) socket wear were observed. In IBBC, a radiolucent line appeared as a ’space’, and loosening appeared as a ’separation’ between the HA layer and the cement. A ‘space’ appeared in 3 joints (1.4%) on the acetabulum and in 4 joints (1.8%) on the femur, while a ‘separation’ appeared in 3 joints (1.4%) on the acetabulum. Osteolysis was noted in 1 joint (0.5%) on the acetabulum and in 2 joints (0.9%) on the femur. No revision surgery was required. In our previous study, we reported that the thickness of the socket affected its clinical wear rate and that the wear rate of sockets with an alumina ceramic head was 20% lower than that of sockets with a metal head. By reducing wear debris through the use of ceramic heads, osteolysis could be reduced. Long-term fixation of THPs to the bone has been achieved by using IBBC. Thus, the long-term clinical results of THPs with an alumina head that were fixed using IBBC were excellent.

Metal Allergy and other Adverse Reactions in Patients with Total Hip Replacement

2015 ◽  
Vol 1114 ◽  
pp. 283-287 ◽  
Author(s):  
Marius Niculescu ◽  
Dan Laptoiu ◽  
Florin Miculescu ◽  
Iulian Vasile Antoniac
Keyword(s):  
Total Hip Arthroplasty ◽  
Total Hip Replacement ◽  
Hip Arthroplasty ◽  
Hip Replacement ◽  
Hip Prosthesis ◽  
Metal Corrosion ◽  
Metal Allergy ◽  
Total Hip Prosthesis ◽  
Total Hip ◽  
Tissue Reactions

Total hip prosthese are widely used in total hip arthroplasty, offering many benefit to patients with different articular diseases like osteoarthritis or after different accidents. Many total hip prosthesis are now available to the orthopaedic surgeons to replace the hip articulation, with different design and with components made by different type of biomaterials: metallic (cobalt-chrome and titanium alloys, zirconium-niobium alloy named oxinium), ceramic (alumina, zirconia), polymers (ultra high weight molecular polyethylene-UHMWPE). Even total hip arthroplasty has a high success rate, implant loosening may occur, with different symptoms that could be attributed to metal allergy. Because the stem components of the total hip prosthesis are made by metallic biomaterials, many papers describe the adverse effects related to the release of metal ions (like cytotoxicity, carcinogenicity and metal allergy). There are different types of metal corrosion: intergranular, pitting, crevice, fatigue, stress, fretting, and galvanic. On the other hand, in many cases (like metal-on-metal prosthesis) appear corrosion and wear between two metallic components. This processes are favourable for the aparition of hypersensitivity-related tissue reactions. Especially some metallic ions (nickel, cobalt, and chromium) presents in stainless steels and cobalt-chromium alloys are most known to be released from prostheses components and give metal allergy. Of course, during the time was developped some solutions in order to improve the performance of the hip prostheses components made by metallic components like coating with thin layers using different biomaterials like porous titanium or hydroxiapatite. The aims of this review article were to explore mainly the relationship between corrosion products and implant-related hypersensitivity, the importance of surface treatment for metallic components, try define the effect of metal ion concentrations, and differentiate between allergy and infection in total hip replacement. The long-term performance of the coated components will be also analyzed and synthetic described based on clinical results. Also, some relevant aspects from our clinical experience and retrieved prosthesis analysis using stereomicroscopy and scanning electron microscopy will be shown in order to support the conclusions.

scholarly journals Mechanical Behavior of Bone Cement under Dynamic Loading

2017 ◽  
Vol 61 (3) ◽  
pp. 204
Author(s):  
Mohammed Elnedhir Belgherras ◽  
Boualem Serier ◽  
Ali Benouis ◽  
Lalia Hachemi
Keyword(s):  
Bone Cement ◽  
Hip Replacement ◽  
Hip Prosthesis ◽  
Three Dimensional ◽  
Dynamic Loads ◽  
The Finite Element Method ◽  
Three Dimensional Model ◽  
Total Hip Prosthesis ◽  
Total Hip ◽  
Climbing Stairs

In orthopedic surgery and particularly in total hip arthroplasty, The fixation of the implant is generally made by the surgical cement, constituted essentially by polymer (PMMA), It is necessary to know the strengths applied to the prosthetic articulation during the current activities exercised by the patient in their life, to know the distribution of the constraints in the system (bone - cement - implant).This study aims to analyze numerically using the finite element method, the effect of activities (dynamic loads) of the patient on the level and distribution of stresses generated in the components of total hip prosthesis. Five activities, the most frequently performed by the patient such as normal walking, the up and down stairs, sitting and up from chair, were selected for this study. For this purpose, a three-dimensional model of the total hip prosthesis has been developed. The results obtained from this model show that the total hip replacement components and especially the bone cement are more highly stressed during the process of climbing stairs. These excessively high loads can lead to damage of the cement and thus the loosening of the prosthesis.

P039 Evolutionary course of Juvenile Idiopathic Arthritis

Rheumatology ◽  
2021 ◽  
Vol 60 (Supplement_5) ◽  
Author(s):  
F Mechid ◽  
N Bahaz ◽  
A Remilaoui ◽  
F H Zehraoui ◽  
R Benaziez ◽  
...  
Keyword(s):  
Juvenile Idiopathic Arthritis ◽  
Hip Replacement ◽  
Antinuclear Antibodies ◽  
Hip Prosthesis ◽  
Age Of Onset ◽  
Pulmonary Involvement ◽  
Total Hip Prosthesis ◽  
Total Hip ◽  
The Mean ◽  
International League

Abstract Background Juvenile idiopathic arthritis (JIA) is a heterogeneous group of rare conditions that begin before the age of 16. Seven categories have been defined by the International League of Associations for Rheumatology (ILAR) classification. The aim of our work is to describe the demographic, clinical, and radiological characteristics and therapeutic of patients with JIA. Materials and methods A retrospective, descriptive study of patients followed for AIJ in the rheumatology department of Mohamed LamineDebaghine during a period of 15 years (2005–2020). Patients were included if satisfied ILAR criteria. Results Ten patients with JIA were included, 5 of whom were females. The mean age of onset was 9.20 ± 3.15 (range: 5–14 years). The subtypes were as follows: 4 patients had RF-negative polyarthritis, one case had RF-positive polyarthritis, one with systemic arthritis form, 2 cases of oligoarthritis, 1 case of psoriatic arthritis, and enthesitis-related arthritis. Three children have coxitis. ACPA was positive in one case and antinuclear antibodies were negative. Eight patients have developed osteoarticular destruction. Pulmonary involvement was noted in a patient who had RF-positive polyarthritis. Corticosteroid therapy was prescribed in 9 patients, 5 of whom developed complications related to steroids, including growth retardation, which was observed in 3 cases. Nine JIA patients received methotrexate. The use of etanercept and IL-1 inhibitors were required in 7 and 1 cases, respectively. Corticosteroid infiltrations were performed in 9 patients. Total hip replacement was indicated in 3 patients. Conclusion Through our study, we note a predominance of the polyarticular form. Osteoarticular destruction seems to be frequent, particularly in the hip. The use of biotherapy and the total hip prosthesis proved the severity of juvenile idiopathic arthritis in our patients.

Paper 9: Problems of Acetabular Fixation in Total Hip Replacement

1966 ◽  
Vol 181 (10) ◽  
pp. 112-120
Author(s):  
J. N. Wilson
Keyword(s):  
Surgical Treatment ◽  
Hip Replacement ◽  
Present Method ◽  
Hip Prosthesis ◽  
Screw Fixation ◽  
Total Hip Prosthesis ◽  
Total Hip ◽  
Press Fit ◽  
Pin Fixation ◽  
Acetabular Fixation

The need for complete joint replacement in the surgical treatment of osteo-arthritis of the hip is becoming more apparent following the unpredictable results of other forms of arthroplasty where only one or other side of the joint is replaced. The introduction of total hip prosthesis poses the problem of fixation of the acetabular component. Charnley's contribution in using acrylic cement to grout in the stem of the femoral component has largely solved the fixation on this side of the joint. It is not so easy to apply the same principle to the acetabular part of the prosthesis. No fixation, long-screw fixation, and straight-pin fixation have not proved satisfactory. It remains to be seen whether the present method used by McKee and Charnley, of a press fit into cement, will prove the test of time. In the early stages of development of the Stanmore hip joint various forms of acetabular fixation were considered. It was finally decided that an adequate hold could only be obtained by three-point fixation, using diverging nails inserted into the three primary bony components of the acetabulum. This principle has been maintained in the later models, but by using cement for grouting the nails, it has been possible to simplify the prosthesis and discard some of the complicated instruments required for the insertion. A brief description of the surgical technique will be given.

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