Search Results
Results 351 - 400 of 1287
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Ochs U - - 2007
AIM: A prospective long-term study of the first 250 cementless Bicontact stems implanted in the BG Trauma Centre, Tuebingen, Germany. METHOD: All of the patients in this series (treatment period June 1987 to April 1990) who were still contactable were invited for clinical and radiological follow-up. The radiographs were analysed ...
Braun A - - 2007
AIM: In a retrospective study, all patients with bilateral cementless Bicontact-Plasmacup total hip arthroplasty in the period May 1993 to June 2000 were followed up clinically and radiologically. METHOD: Out of 537 hip replacements performed in this period with this combination of implants, 46 patients had bilateral surgery. At follow-up, ...
Lian Y-Y - - 2007
We performed 52 total hip replacements in 52 patients using a cementless acetabular component combined with a circumferential osteotomy of the medial acetabular wall for the late sequelae of childhood septic arthritis of the hip. The mean age of the patients at operation was 44.5 years (22 to 66) and ...
Takata E T - - 2007
AIM: Mid-term result documentation of ceramic-on-ceramic cementless total hip replacement. METHOD: From November 1998 to December 2005, 356 patients were submitted to 419 total hip arthroplasties of the hip with a cementless, ceramic-ceramic Bicontact/Plasmacup type of prosthesis. Patients were controlled in a consecutive prospective study. RESULTS: The average age of ...
Ochs U - - 2007
AIM: In this prospective randomised study, the influence of different bearing materials on migration and wear was measured and their effect on the function of the artificial joint and the patient outcome was investigated. Mid-term results were recorded so that recommendations can be made on the use of certain bearings, ...
Ikema Masahide - - 2007
BACKGROUND: This study followed patients for a minimum of 7 years after primary total hip arthroplasty using cementless acetabular components and evaluated their outcomes. METHODS: We followed 73 patients (75 hips), who had undergone total hip arthroplasty with cementless nonporous coated acetabular components (3M AcSys Shearer Cup) for a mean ...
Flint Michael N - - 2007
We reviewed our experience with 2-stage revision of uncemented Kotz Modular Femoral and Tibial Replacement System prostheses from 1989 to 2004. A total of 180 lower extremity tumor prostheses were inserted, 15 of which underwent removal of the prosthesis for infection. Eleven patients underwent subsequent second-stage revision, and 4 underwent ...
Thorey F - - 2007
AIM: The purpose of this study was to evaluate the uncemented primary Bicontact stem (B.Braun-Aesculap, Tuttlingen, Germany) as a possible adequate alternative to other revision systems in revision total hip arthroplasty. METHODS: Twenty patients aged up to 58 years (34-58 years, mean age 5.7 +/- 5.8 years) with minor bone ...
Suzuki K - - 2007
We present a series of 30 uncemented total hip replacements performed between June 1985 and January 2002 with a mean follow-up of seven years (5 to 20) in 27 patients who had previously undergone a valgus intertrochanteric osteotomy. No further osteotomy was undertaken to enable hip replacement. We used a ...
Harder Helena - - 2007
During bone marrow or haematopoietic stem-cell transplantation (HSCT), potentially neurotoxic treatments are used. Previous studies identified cognitive disturbances in patients treated with HSCT, but prospective studies with longitudinal assessment are sparse. We examined cognitive functions up to 20 months after a first baseline assessment in 101 patients undergoing HSCT and ...
Leslie Jeffrey A - - 2007
PURPOSE: We present our long-term followup and comparison of outcomes between the Monti and Casale (spiral Monti) procedures in a large group of children and young adults. MATERIALS AND METHODS: A retrospective chart review was done, including all patients undergoing the Monti or Casale procedure at our institution with a ...
Ince Akif - - 2007
The possibility of migration of cementless cups in total joints after prophylaxis of heterotopic ossification with irradiation or nonsteroidal antiinflammatory drugs is a concern. Data investigating component stability with digital methods are lacking. This prospective study analyzed the migration of cementless cups after indomethacin and irradiation prophylaxis with the digital ...
Cheung Emilie V - - 2007
BACKGROUND: Glenoid component loosening has been a leading cause of failure of total shoulder arthroplasty. In the present study, we evaluated the outcome of reimplantation of a new glenoid component following removal of the previous glenoid component and placement of an allograft in order to determine the results, risk factors ...
Duffy Gavan P - - 2007
This study reports the results and early failures using the Graft Augmentation Prosthesis ring in the reconstruction of acetabular defects encountered during total hip arthroplasty. Seventeen consecutive Graft Augmentation Prosthesis rings were used during 7 complex primary and 10 revision hip arthroplasties. Five patients died during the follow-up period. Of ...
Fink Bernd - - 2007
The aim of this investigation was to analyze the midterm results obtained with the metaphyseal fixation principle of the thrust plate prosthesis (TPP). Survival of 214 implants in 204 patients was analyzed. Clinical (Harris hip score) and radiologic examinations were carried out on 157 of 190 TPP with a postimplantation ...
Jones S A - - 2007
PURPOSE: To assess short- to medium-term outcome of the Omnifit constrained acetabular component in preventing dislocation in at-risk patients after total hip arthroplasty (THA). METHODS: 81 patients (mean age, 77 years) underwent either primary or revision THA with an Omnifit constrained acetabular component and were followed up clinically and radiologically ...
Bruns J - - 2007
We reviewed 25 patients in whom a MUTARS megaprosthesis with a conical fluted stem had been implanted. There were three types of stem: a standard stem was used in 17 cases (three in the proximal femur, nine in the distal femur and five proximal tibia), a custom-made proximal femoral stem ...
Palm Lars - - 2007
BACKGROUND: Minor design changes may cause major changes in implant performance. Thus, as part of a stepwise introduction of a new low-profile cup, we performed a randomized trial comparing it to a well-documented standard cup. PATIENTS AND METHODS: 60 patients, stratified according to sex, weight, and age, underwent cemented total ...
Vendittoli PascalA - - 2007
We report the clinical and radiological results of 140 primary THAs, randomized to receive metal-polyethylene or alumina-alumina bearing surfaces. At last follow-up (average 79 months), no significant difference was found on clinical scores (WOMAC and Merle D'Aubigné) between the two groups. However, linear wear of 1 mm or more of ...
Vassan Uma T - - 2007
BACKGROUND: Aseptic loosening is the major cause of implant failure. In cemented hip arthroplasty, failure of the acetabular side is mainly due to lysis caused by wear particles. By using an implant with low wear characteristics and by enhancing acetabular fixation using an uncemented implant, we aimed to reduce acetabular ...
Berli Bernhard J - - 2007
The key rationale for a nonmodular flexible press-fit cup was to maximize long-term stability with a cementless, porous metal-coated cup that is low in stiffness (no metal shell) and to achieve fixation solely through biradial eccentricity between the cup and the acetabular cavity. We asked whether the promising results achieved ...
Ghanem Elie - - 2007
Periprosthetic infection of a total knee arthroplasty (TKA) can be successfully eradicated by two-stage resection arthroplasty. However, the outcome of surgical intervention for infection is believed inferior to revision surgery for aseptic failures. We hypothesized patients having revision arthroplasty for infected TKA have worse functional outcome compared to patients having ...
Leung Serena B - - 2007
Highly cross-linked polyethylene has shown decreased wear rates as compared to conventional polyethylene. However, the impact of this decrease on the occurrence of osteolysis remains uncertain. Forty hips implanted with noncross-linked Enduron and 36 implanted with 5-Mrad cross-linked Marathon polyethylene had a computed tomography at a minimum of 5 years ...
Bernasek Thomas L - - 2007
This study evaluated total hip arthroplasty in patients with developmental hip dysplasia requiring femoral subtrochanteric shortening derotational osteotomy (SDO). Twenty-three total hip arthroplasties that required SDO were evaluated at an average follow-up of 8 years (range, 5-14 years). Clinical and radiographic data were retrospectively reviewed. Four hips (17%) failed requiring ...
Baumann Bernd - - 2007
This retrospective study reviewed 9- to 11-year results after total hip arthroplasty (THA) with cemented titanium stems (Mueller-Straight-Stem). Ninety-one patients (110 hips) were examined clinically and radiologically at an average 9.5-year follow-up. Revisions for aseptic loosening were performed in 4 (4%) patients. Subsidence or varus position could only be observed ...
Grübl Alexander - - 2007
Metal-on-metal articulations were reintroduced to reduce polyethylene particle-induced osteolysis. Elevated serum metal levels have been detected at short- and intermediate-term follow-up. There is little knowledge about long-term effects of increased ionic metal generation. Our study was undertaken to provide information about long-term survival, clinical outcome, radiographic appearance, and serum metal ...
Howie D W - - 2007
We investigated 219 revisions of total hip replacement (THR) in 211 patients using a collarless double-taper cemented femoral component. The mean age of the patients was 72 years (30 to 90). The 137 long and 82 standard length stems were analysed separately. The mean follow-up was six years (2 to ...
Amstutz Harlan C - - 2007
Resurfacing THA is an attractive treatment option for young patients because it saves the femoral head and is easily revisable. We assessed the clinical outcome of metal-on-metal hybrid total hip resurfacing for the treatment of 295 patients (350 hips) younger than 50 years of age (average, 41.2 years) and compared ...
Riede Ulf - - 2007
The aim of the study was to document the long-term clinical and radiologic results as well as the 15 year survival of a single cemented straight stem. Our series consisted of consecutive patients with 161 straight stem prostheses implanted between 1984 and 1987 in 152 patients. Follow-up was performed prospectively ...
Finstein Joseph L - - 2007
While bipolar proximal femoral replacement prostheses (PFRP) have become a common treatment for tumors of the proximal femur, long-term results are not specified in the literature. The objective was to determine the complication and revision rates of bipolar PFRP and compare them to historical controls of bipolar hemiarthroplasties for nontumor ...
Hellings Peter W - - 2007
OBJECTIVE: In cases of dissatisfaction after rhinoplasty for esthetic or functional reasons, or both, revision rhinoplasty may be advocated to improve the patients' nasal performance. In contrast to studies on primary rhinoplasty, no objective outcome evaluation parameter has been validated in revision rhinoplasty, nor has there been a study specifically ...
Hananouchi Takehito - - 2007
INTRODUCTION: Preoperative femoral templating for total hip arthroplasty (THA) has been performed by antero-posterior radiographs of both hips which should be taken with the femur rotated internally to reduce the effect of femoral anteversion. However, there is no criterion to evaluate the optimal rotated radiograph. Here, we quantitatively investigated 50 ...
Crosson Bruce - - 2007
Twenty-three chronic nonfluent aphasia patients with moderate or severe word-finding impairments and 11 with profound word-finding impairments received two novel picture-naming treatments. The intention treatment initiated picture-naming trials with a complex left-hand movement and was designed to enhance right frontal participation during word retrieval. The attention treatment required patients to ...
Rigotti Gino - - 2007
There is evidence that stem cells contribute to the restoration of tissue vascularization and organ function. The objective of this study was to assess the presence of adipose-derived adult stem cells left in their natural scaffold in the purified lipoaspirate and to assess the clinical effectiveness of lipoaspirate transplantation in ...
González Della Valle Alejandro - - 2008
We prospectively compared the utility and precision of preoperative templating performed in printed films (analogue) with that performed on digital radiographs (digital) in 69 patients undergoing primary total hip replacement. Five patients were excluded when misplacement of the marker resulted in a magnification error greater that 10%; in the remaining ...
Wroblewski B Michael - - 2007
INTRODUCTION: In the early 1960s, Charnley was cautious with his patient selection for total hip replacement. As follow-up increased and confidence in the operation grew, younger patients were selected. We present our results of the Charnley LFA in young patients with rheumatoid and juvenile rheumatoid arthritis with a followup of ...
Khan Riaz J K - - 2007
One hundred four hips in 107 patients undergoing revision arthroplasty of the hip were identified at risk of dislocation and treated with the constrained cup. Radiostereometric analysis was performed to assess prosthesis migration. Mean follow-up was 3.0 years (range, 2.0-4.8). At last review, 19 patients had died and 6 were ...
Kim Y-H - - 2007
We studied prospectively the long-term results of the Charnley Elite-Plus femoral stem in 184 consecutive young patients (194 hips). There were 130 men and 54 women with a mean age of 49.1 years (21 to 60). The predominant diagnosis was osteonecrosis of the femoral head (63.6%, 117 patients). Clinical and ...
Eyichukwu G O - - 2007
BACKGROUND: Femoral neck fracture is the commonest fracture among the elderly who frequently have co-morbid medical conditions. It commonly follows trivial falls at home. Prosthetic replacement with Austin Moore prothesis is one of the treatment options open to Orthopaedic Surgeons in this age group who need to be mobilised as ...
Castoldi Filippo - - 2007
The Anatomique Benoist Girard (ABG) I total hip arthroplasty has been widely used in Europe since 1989. Two recent midterm reports have shown high rates of component failure secondary to polyethylene wear. To further investigate this issue, our study prospectively follows 157 consecutive primary total hip arthroplasties using the ABG ...
Skutek Michael - - 2007
We previously reported the ten to fifteen-year results for 195 matte-finished Harris Design-2 total hip replacements that had been inserted with cement by two surgeons in 166 patients with osteoarthritis. The purpose of the present report is to update that study and report the twenty to twenty-five-year outcomes. The patients ...
Bruno Benedetto - - 2007
BACKGROUND: In this trial of the treatment of newly diagnosed multiple myeloma, we compared a protocol that entailed a hematopoietic stem-cell autograft followed by an allograft from an HLA-identical sibling with a protocol of tandem autografts. METHODS: We enrolled 162 consecutive patients with newly diagnosed myeloma who were 65 years ...
Einsiedel Thomas - - 2008
Stem loosening and stress-shielding are problems encountered in cemented hip arthroplasty. Could proximal stem fixation by partial cementing solve the problem? More physiological transmission of forces with only proximal cement fixation seems to be possible with this recent development (Z-stem, Option 3000, Mathys Orthopaedics, Bettlach, Switzerland). In a prospective clinical ...
Yoon Kang Sup - - 2007
To evaluate the effect of hydroxyapatite coating on cementless femoral stem, a prospective randomized clinical trial was conducted. A total of 84 hips from 69 patients were assigned to a hydroxyapatite/tricalcium-phosphate-coated group or a noncoated group. Thirty-two patients (37 hips) who received hydroxyapatite/tricalcium-phosphate-coated stems and 31 patients (38 hips) who ...
Parratte Sebastien - - 2007
BACKGROUND: Malpositioning of the acetabular component during total hip arthroplasty increases the risk of dislocation, reduces the range of motion, and can be responsible for early wear and loosening. The purpose of this study was to compare computer-assisted with freehand insertion of the acetabular component. METHODS: A randomized, controlled, matched ...
Maharajan V Senthil - - 2007
BACKGROUND: The amniotic membrane is a useful tool in the management of several ocular surface diseases. Despite numerous studies, standardization of the use of the membrane and of outcome measures is lacking. Herein, the authors' results of amniotic membrane transplantation (AMT) in ocular surface reconstruction against defined outcome measures are ...
Zuurmond R G - - 2007
A retrograde femoral nail was designed to slide over the tip of the femoral stem. Eighteen patients (4 male symbol, 14 female symbol) were treated with this retrograde nail between 1995 and 2003. The mean age was 81.4 years (range 61-96) with a mean follow-up of 21 months (range 4-61 ...
Wangen H - - 2008
It is well accepted that youth and high activity levels are among the factors that increase the risk of mechanical failure of total hip prostheses. However, there are few reports of long-term results in very young patients. In this study, we evaluated the results of total 49 hip replacements (THRs) ...
Koch Peter P - - 2008
Total hip arthroplasty (THA) still carries a higher failure rate in patients with avascular necrosis of the femoral head (AVN) than in a similar patient population with THA for other reasons. This is particularly true for the acetabular component. One of the major factors accounting for this is the compromised ...
Francés Alberto - - 2007
A retrospective clinical review was done on 54 revision hip patients. Radiological analysis examined the Gross and AAOS classifications, stem position, cement mantles, allograft and evolution (subsidence, resorption and remodelling). The Harris Hip score was used for clinical assessment. We used bone bank allograft and a polished non-collared stem LD. ...
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