{"title":"Infographic: The history of femoroacetabular impingement","authors":"Kenki Matsumoto, R. Ganz, V. Khanduja","doi":"10.1302/2046-3758.99.bjr-2020-0383","DOIUrl":"https://doi.org/10.1302/2046-3758.99.bjr-2020-0383","url":null,"abstract":"","PeriodicalId":175314,"journal":{"name":"Bone and Joint Research","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125756444","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":"The influence of stem configuration on initial femoral component stability in total knee replacement","authors":"N. Conlisk, H. Gray, P. Pankaj, C. Howie","doi":"10.1302/2046-3758.111","DOIUrl":"https://doi.org/10.1302/2046-3758.111","url":null,"abstract":"","PeriodicalId":175314,"journal":{"name":"Bone and Joint Research","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127857176","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}
T. Shigemura, S. Kishida, Y. Eguchi, S. Ohtori, J. Nakamura, M. Kojima, Y. Masuda, Kazuhisa Takahashi
{"title":"Proton magnetic resonance spectroscopy of the thalamus in patients with osteoarthritis of the hip.","authors":"T. Shigemura, S. Kishida, Y. Eguchi, S. Ohtori, J. Nakamura, M. Kojima, Y. Masuda, Kazuhisa Takahashi","doi":"10.1302/2046-3758.1.1.2000018","DOIUrl":"https://doi.org/10.1302/2046-3758.1.1.2000018","url":null,"abstract":"Objectives The purpose of this study was to assess N-acetyl aspartate changes\u0000in the thalamus in patients with osteoarthritis of the hip using\u0000proton magnetic resonance spectroscopy. Methods Nine patients with osteoarthritis of the hip (symptomatic group,\u0000nine women; mean age 61.4 years (48 to 78)) and nine healthy volunteers\u0000(control group, six men, three women; mean age 30.0 years (26 to\u000038)) underwent proton magnetic resonance spectroscopy to assess\u0000the changes of N-acetyl aspartate in the thalamus. Results The ratio of N-acetyl aspartate to creatine plus phosphocreatine\u0000in the thalamus contralateral to the symptomatic hip in patients\u0000with osteoarthritis of the hip was significantly lower than the\u0000ratio of N-acetyl aspartate to creatine plus phosphocreatine in\u0000the thalamus in the control group (1.611 (1.194 to 1.882) vs 1.355\u0000(1.043 to 1.502), p < 0.001). And, a strong negative correlation was\u0000detected between the ratio of N-acetyl aspartate to creatine plus\u0000phosphocreatine in the thalamus contralateral to the symptomatic\u0000hip in patients with osteoarthritis of the hip and pain duration\u0000(r = -0.83, p = 0.018). Conclusions We evaluated the ratio of N-acetyl aspartate to creatine plus\u0000phosphocreatine in the thalamus of patients with osteoarthritis\u0000of the hip by using proton magnetic resonance spectroscopy. We concluded\u0000that the ratio of N-acetyl aspartate to creatine plus phosphocreatine\u0000in the thalamus contralateral to the symptomatic hip in patients\u0000with osteoarthritis of the hip were significantly lower than those\u0000in the thalamus of the control group, and that pain duration was\u0000strongly related to the decrease of the ratio of N-acetyl aspartate\u0000to creatine plus phosphocreatine.","PeriodicalId":175314,"journal":{"name":"Bone and Joint Research","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116154997","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":"Extracorporeal human bone-like tissue generation.","authors":"N. Rosenberg, O. Rosenberg","doi":"10.1302/2046-3758.1.1.2000007","DOIUrl":"https://doi.org/10.1302/2046-3758.1.1.2000007","url":null,"abstract":"Objectives The need for bone tissue supplementation exists in a wide range\u0000of clinical conditions involving surgical reconstruction in limbs,\u0000the spine and skull. The bone supplementation materials currently\u0000used include autografts, allografts and inorganic matrix components;\u0000but these pose potentially serious side-effects. In particular the\u0000availability of the autografts is usually limited and their harvesting\u0000causes surgical morbidity. Therefore for the purpose of supplementation\u0000of autologous bone graft, we have developed a method for autologous\u0000extracorporeal bone generation. Methods Human osteoblast-like cells were seeded on porous granules of\u0000tricalcium phosphate and incubated in osteogenic media while exposed\u0000to mechanical stimulation by vibration in the infrasonic range of\u0000frequencies. The generated tissue was examined microscopically following\u0000haematoxylin eosin, trichrome and immunohistochemical staining. Results Following 14 days of incubation the generated tissue showed histological\u0000characteristics of bone-like material due to the characteristic\u0000eosinophilic staining, a positive staining for collagen trichrome\u0000and a positive specific staining for osteocalcin and collagen 1.\u0000Macroscopically, this tissue appeared in aggregates of between 0.5\u0000cm and 2 cm. Conclusions We present evidence that the interaction of the cellular, inorganic\u0000and mechanical components in vitro can rapidly\u0000generate three-dimensional bone-like tissue that might be used as\u0000an autologous bone graft.","PeriodicalId":175314,"journal":{"name":"Bone and Joint Research","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128245607","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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