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Panagiotis Korovessis, Georgios Petsinis, Maria Repanti, Zisis Papazisis, Panagiotis Iliopoulos, Panagiotis N Soucacos
In a prospective study we followed 266 consecutive patients who received 350 Zweymueller-SL uncemented total hip replacements with metal-on-metal articulation for osteoarthritis. Mean follow-up was 52 (range 37-92) months. Patient age at the time of surgery was 55±9 (25-70) years. Pre-operative Harris score of 45±19 was increased post-operatively to 96±4. Pre-operative invalidity was significantly improved post-operatively (P<0.001), and 97% of the patients were either satisfied or very satisfied with the results...
January 2002: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
Ireneusz Kotela, Jacek Lorkowski, Witold Sikorski, Andrzej Kotela
BACKGROUND: Ceramic-on-ceramic articulation presents advancement in the development modern of hip prostheses. It is particularly important for young patients, in whom complications related with polyethylene damages and metalosis pose a serious clinical problem due to the long period of implant functioning. The aim of this study was to assess the effect of total cementless hip replacement using an implant with a ceramic insert embedded in a metal cup and large prosthetic head constituting a ceramic-on-ceramic system in patients with hip osteoarthritis...
December 17, 2013: Polish Orthopedics & Traumatology
David Knox, Steven W Hamilton, Douglas Wardlaw, Peter H Gibson
The use of uncemented hip arthroplasty prostheses with ceramic articulations are popular, especially in the young, because of a perceived reduction in wear. We highlight a complication of ceramic on polyethylene articulating couples not previously described in the Furlong replacement. Despite widespread metalosis and particulate debris, osteolysis was not initially seen. The contamination compromised subsequent revision.
March 2009: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
Panagiotis Korovessis, Georgios Petsinis, Maria Repanti
BACKGROUND: This is a prospective study. METHOD: . A total of 266 consecutive patients, who received 350 third-generation Zweymueller-SL total hip arthroplasties with metal-on-metal articulation for primary or secondary osteoarthritis, was followed and evaluated clinically, radiologically and histologically. The age of the patients at the time of surgery was 55+/-9 years, (range 25-70 years). Seven ( 3%) patients did not return for their last follow-up evaluation for reasons unrelated to their hip operation...
February 2003: Archives of Orthopaedic and Trauma Surgery
H Hirai, A Okumura, M Goto, T Katsuki
PURPOSE: Titanium miniplates have been widely used in mandibular fracture fixation because of their strength and excellent biocompatibility. However, the condition of the bone adjacent to titanium bone screws has not been clarified. This study histologically examined the bone-screw interface in patients treated for mandibular fractures. PATIENTS AND MATERIALS: Specimens were obtained from 14 patients, and the undecalcified sections were stained by the toluidine blue and Levai Laczko methods and examined with light microscopy...
May 2001: Journal of Oral and Maxillofacial Surgery
M A Ritter, R Worland, J Saliski, J V Helphenstine, K L Edmondson, E M Keating, P M Faris, J B Meding
Flat-on-flat, posterior cruciate ligament-sparing total knee prostheses recently have shown problems of wear, loosening, and multiple design changes. Two thousand one Anatomical Graduated Components total knee arthroplasties with compression molded, nonmodular polyethylene tibial components were done between 1983 and 1991 at 3 institutions. All knees were evaluated clinically and radiographically every 2 to 3 years; 71 knees were seen in followup > 10 years. There were 8 failures secondary to revision (5 tibial failures; 2 secondary to metalosis from patellar polyethylene dissociation; and 3 femoral failures) resulting in a 98% survival rate at 10 years...
December 1995: Clinical Orthopaedics and related Research
H Daher, F Stryhal
No abstract text is available yet for this article.
June 1974: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
H Amstutz, D Kilgus, M Kabo, F Dorey
One hundred porous surface replacements (PSR) were performed in 92 patients (63 men and 29 women) with a mean age of 53 (range 17-76). Follow-up times range from 1 to 4 years, with 48 patients having a follow-up of at least 2 years. Preoperative diagnoses were osteoarthritis (OA) 63, osteonecrosis (ON) 13, dysplasia 9, rheumatoid-ankylosing spondylitis 6, and other 9. Seventeen hips had metal-backed acrylic-fixed THARIES acetabular sockets, nine hips had a porous cobalt chrome hemispheric beaded acetabular component with adjuvant fixation screws and externally protruding screw hubs, and 74 hips had a porous chamfered cylinder-design acetabulum...
1988: Archives of Orthopaedic and Traumatic Surgery. Archiv Für Orthopädische und Unfall-Chirurgie
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