Cartilage fibrillation does not necessarily progress. There appears to be different mechanical factors involved in the initiation and the progression of cartilage changes in osteoarthrosis. This means there is some rationale behind what we see clinically happening after successful osteotomy or other operations that lower the stress on degenerating joints, and it means that if we can do something about the level of stress and, therefore, the level of bone remodeling in patients with fibrillation, we may be able to keep that cartilage from further degenerating.
{"title":"Chondromalacia as a separate entity: new perspectives on osteoarthrosis.","authors":"E L Radin","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Cartilage fibrillation does not necessarily progress. There appears to be different mechanical factors involved in the initiation and the progression of cartilage changes in osteoarthrosis. This means there is some rationale behind what we see clinically happening after successful osteotomy or other operations that lower the stress on degenerating joints, and it means that if we can do something about the level of stress and, therefore, the level of bone remodeling in patients with fibrillation, we may be able to keep that cartilage from further degenerating.</p>","PeriodicalId":47342,"journal":{"name":"Bulletin of the Hospital for Joint Diseases","volume":"40 ","pages":"84-9"},"PeriodicalIF":0.3,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11758158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Stability and fixation in artificial knee joints.","authors":"P S Walker","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":47342,"journal":{"name":"Bulletin of the Hospital for Joint Diseases","volume":"40 ","pages":"104-15"},"PeriodicalIF":0.3,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11758332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The preferred method for the noninvasive assessment of the mechanical properties of the musculoskeletal system is the measurement of mechanical impedance by means of an instrumented impact hammer and accelerometer. When coupled to an interactive computer system, this is shown to be a powerful tool in the quantitation of mechanical parameters associated with various orthopaedic conditions. The technique of measurement and the interpretation of results is discussed with reference to a model based on elastic rebound.
{"title":"The response of the lower extremity to impact forces. II. Computerized mechanical impedance measurements.","authors":"A Streitman, A Miller, J Pugh","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The preferred method for the noninvasive assessment of the mechanical properties of the musculoskeletal system is the measurement of mechanical impedance by means of an instrumented impact hammer and accelerometer. When coupled to an interactive computer system, this is shown to be a powerful tool in the quantitation of mechanical parameters associated with various orthopaedic conditions. The technique of measurement and the interpretation of results is discussed with reference to a model based on elastic rebound.</p>","PeriodicalId":47342,"journal":{"name":"Bulletin of the Hospital for Joint Diseases","volume":"40 ","pages":"120-31"},"PeriodicalIF":0.3,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11758153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Lumbar facets--spinal stenosis and intermittent claudication: a mini review.","authors":"C J Sutro","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":47342,"journal":{"name":"Bulletin of the Hospital for Joint Diseases","volume":"40 ","pages":"13-37"},"PeriodicalIF":0.3,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11380098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mechanical properties of acrylic cement and its interface characteristics with cancellous bone have been described. Applications and techniques for optimal use of the cement in joint replacement, treatment of pathologic fractures, and implant revision procedures are presented.
{"title":"Properties and applications of acrylic bone cement.","authors":"A S Greenwald","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Mechanical properties of acrylic cement and its interface characteristics with cancellous bone have been described. Applications and techniques for optimal use of the cement in joint replacement, treatment of pathologic fractures, and implant revision procedures are presented.</p>","PeriodicalId":47342,"journal":{"name":"Bulletin of the Hospital for Joint Diseases","volume":"40 ","pages":"72-83"},"PeriodicalIF":0.3,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11758157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Interval training.","authors":"E L Fox","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":47342,"journal":{"name":"Bulletin of the Hospital for Joint Diseases","volume":"40 ","pages":"64-71"},"PeriodicalIF":0.3,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11758156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Stress analysis: effects of geometry in bone-implant systems.","authors":"D L Bartel","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":47342,"journal":{"name":"Bulletin of the Hospital for Joint Diseases","volume":"40 ","pages":"90-103"},"PeriodicalIF":0.3,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11758159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Tumours of the vertebral body. Transpedicular biopsy with posterior surgical stabilisation.","authors":"F H Travaglini","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":47342,"journal":{"name":"Bulletin of the Hospital for Joint Diseases","volume":"40 ","pages":"1-12"},"PeriodicalIF":0.3,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11758331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Wear mechanisms and wear debris in total joint prostheses.","authors":"R Rose","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":47342,"journal":{"name":"Bulletin of the Hospital for Joint Diseases","volume":"40 ","pages":"116-9"},"PeriodicalIF":0.3,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11758333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Loosening and infection are the most common complications of the Charnley Low Friction Arthroplasty (CLFA). A non-invasive diagnostic approach to the symptomatic patient consists of plain radiographs of the hips and nuclear imaging with a bone seeking isotope compound. Nuclear imaging is a more sensitive indicator of post-implantation complications than plain radiography, though both complement each other. Bone scintigraphy may be positive when radiographs are normal. In no patient with loosening or infection was the nuclear study normal. In the presence of a normal nuclear image and normal radiographs, there is a small probability that either complication is present.
{"title":"Loosening and infection in the post-implantation hip--diagnostic screening with radionuclides.","authors":"A W Pearlman","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Loosening and infection are the most common complications of the Charnley Low Friction Arthroplasty (CLFA). A non-invasive diagnostic approach to the symptomatic patient consists of plain radiographs of the hips and nuclear imaging with a bone seeking isotope compound. Nuclear imaging is a more sensitive indicator of post-implantation complications than plain radiography, though both complement each other. Bone scintigraphy may be positive when radiographs are normal. In no patient with loosening or infection was the nuclear study normal. In the presence of a normal nuclear image and normal radiographs, there is a small probability that either complication is present.</p>","PeriodicalId":47342,"journal":{"name":"Bulletin of the Hospital for Joint Diseases","volume":"40 ","pages":"55-63"},"PeriodicalIF":0.3,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11758155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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