By Hironobu Oonishi, Ian C. Clarke, Victoria Good, Hirokazu Amino, Shingo Masuda (auth.), Nobuo Matsui M.D., Yoichi Taneda M.D., Yukio Yoshida M.D. (eds.)
Joint substitute surgical procedure has visible impressive development and improvement in recent times either in prostheses and in surgical method. a main situation has been superior toughness, for which a significant factor is aid of the polyethylene put on that ends up in osteolysis. This e-book offers an replace at the capacity through which the issues of wear and tear and loosening are being addressed in overall hip arthroplasty (THA) and overall knee arthroplasty (TKA). integrated are chapters on new surgical innovations for tricky circumstances, nonpolyethylene interfaces for THA, customized hip prostheses, and computer-assisted surgical procedure. Arthroplasty 2000 additionally takes up present arguable concerns reminiscent of posterior cruciate substitution as opposed to retention in TKA. With contributions via eminent experts in overall joint substitute in Asia, Europe, and North the US, this quantity is a priceless reference for all orthopedic surgeons.
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Additional info for Arthroplasty 2000: Recent Advances in Total Joint Replacement
That idea may explain that, at the beginning, we had a majority of reactive lines. Over the years, the shaft becomes more rigid, and we can point out an endosteal ossification filling down the medullary canal progressively starting from the upper part of non coated zones onto zones 2 and 6. This endosteal ossification takes place around the stem, and thus the reactive line disappears. This result may suggest that in such a way a long-lasting fixation can be ensured. 4. Cortical thickening: We discussed this radiographic change, and we may address these patterns as a reaction of bone facing strength and stretching forces.
Boutin P, Blanquaert D (1981) Le fronttement Al/AI en chirurgie de la hanche: 1205 arthroplasties totales. Rev Chir Orthop 67:279-287 3. Heimke G, Griss P (1981) Five years experience with ceramic-metal-composite hip endoprostheses. II. Mechanical evaluations and improvements. Arch Orthop Trauma Surg 98:165-17l 4. Sedel L (1997) The tribology of hip replacement. In: Kenwright J, Duparc J, Fulford P (eds) European instructional course lectures, vol 3. Martin Dunitz, Paris, pp 25-33 5. Sedel L, Kerboull L, Christel P (1990) Alumina-on-alumina hip replacement: results and survivorship in young patients.
We may consider that the cases without any cortical thickening belong to a rigid femur or nonactive older patients. Conversely, isolated cortical thickening onto zone 5 has to be considered as a normal reaction, especially in heavy patients or elastic bones. We have no clear explanation for circumferential napkin-ring cortical thickening; maybe there are some difficulties for bone to adapt its transfer of load around the stem. Finally, the unique case of cortical thickening onto zone 3 had neither thigh pain nor abnormal patterns at the proximal aspect, especially neither line nor cortical hypertrophy or severe atrophy.