Search Results
Results 301 - 350 of 1289
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Mahoney Ormonde M - - 2008
We studied 1030 consecutive cemented primary TKAs performed by the primary author (OMM) using a single-radius, posterior-stabilized total knee prosthesis with 5 years' minimum followup to determine whether an accelerated early failure rate was associated with this design. At 5 to 9.5 postoperative years, 32 knees had been revised at ...
Miyanishi Keita - - 2008
INTRODUCTION: Production of polyethylene wear from acetabular liners is thought, in part, to mediate the periprosthetic osteolysis. This study examined the in vivo wear performance of Japanese highly cross-linked polyethylene (Aeonian) in cementless total hip arthroplasty. MATERIALS AND METHODS: Ninety-five hips received a highly cross-linked polyethylene liner, while 20 hips ...
Naeselius Katarina - - 2008
PURPOSE: The aim of the present study was to evaluate the clinical outcome of extensive Empress onlays retained with resin-bonded cement. MATERIALS AND METHODS: One hundred thirty extensive ceramic onlays were placed in premolar and molar regions in 91 patients treated by 2 general practitioners between 1997 and 2000. Seventy-seven ...
van der Meulen Jacques - - 2008
OBJECT: The aim of this study was to analyze the presence of beaten-copper patterns (BCPs) in children with craniosynostosis before 18 months of age and its association with their IQ at a later age. METHODS: The authors conducted a retrospective analysis of 538 cephalograms (obtained at a mean patient age ...
Meldrum Russell D - - 2008
Surface replacement (SR) was introduced as a bone-conserving alternative to total hip arthroplasty (THA) 3 decades ago, then was abandoned due to polyethylene wear, stress shielding, and loosening. Improved bearing surfaces have renewed interest in SR. This study examined long-term SR outcome compared to an age- and time-matched THA cohort. ...
Braun Sepp - - 2008
INTRODUCTION: Large osteochondral defects of the weight-bearing zones of femoral condyles in young and active patients were treated by autologous transfer of the posterior femoral condyle (large osteochondral autogenous transplantation system (MegaOATS)). The technique presented is a sound and feasible salvage procedure to address large osteochondral defects in weight-bearing zones. ...
Li Yen-Yao - - 2008
BACKGROUND: Percutaneous vertebroplasty (PV) is generally performed under fluoroscopic guidance. Technically, single fluoroscope is considered sufficient for effectively monitoring PV. However, single fluoroscopic technique might be time-consuming in rotating the C-arm of the fluoroscope for either antero-posterior (AP) or lateral radiographic view, and causing delay in detecting cement leakage that ...
Durazi Mohammed H - - 2008
INTRODUCTION: Our aim was to evaluate the procedure and outcome of penile prosthesis surgery in the treatment of men with postpriapism erectile dysfunction. MATERIALS AND METHODS: During the period between 1997 and 2004, a total of 17 patients with postpriapism erectile dysfunction underwent penile prosthesis implantation at our institution. Prosthesis ...
Rajaratnam S S - - 2008
Between 1986 and 1991 we implanted 331 consecutive Furlong hydroxyapatite-coated femoral components of a total hip replacement in 291 patients. A cemented acetabular prosthesis was used in 217 hips and a hydroxyapatite-coated component in 114. We describe the long-term clinical and radiological survival of the femoral component at a mean ...
Yates P J - - 2008
We retrospectively reviewed 175 patients (191 hips) who had undergone primary cemented total hip replacement between November 1992 and November 1995 using a collarless polished double-tapered femoral component after a minimum of ten years (mean 11.08; 10 to 12.8). All stems were implanted using contemporary cementing techniques with a distal ...
Malizos Konstantinos N - - 2008
Monoblock trabecular metal cups are made of a novel porous material intended to enhance ingrowth and improve fixation. We prospectively followed 223 consecutive patients with 245 trabecular metal acetabular cups implanted during primary total hip arthroplasties to determine the overall survivorship of the implant, and any association of survivorship to ...
McCarthy Joseph C - - 2007
We retrospectively reviewed 87 patients (92 hips) who had revision hip surgery to determine whether a proximally coated, modular femoral component would remain stably fixed at long-term followup. Thirteen patients died and 12 patients were lost to followup leaving 62 patients (67 hips) available for review with minimum followup of ...
Thien Truike M - - 2007
BACKGROUND: In uncemented total hip arthroplasty with hydroxyapatite coating, early weight bearing is frequently practiced but there is still not much evidence to support this recommendation. METHOD: In a prospective randomized study we evaluated the effect of partial and full weight bearing after cementless total hip arthroplasty (ABG; Stryker-Howmedica) using ...
Duffy Gavan P - - 2007
Hybrid total knee arthroplasty in which the femoral component is cementless and the tibial component is cemented remains controversial. We report on the long-term results of 65 total knee arthroplasties followed for an average of 15 years. There were 18 revisions (27%); of these, 11 were femoral component revisions. The ...
Digas Georgios - - 2007
BACKGROUND: Laboratory tests and early clinical studies have shown that highly cross-linked polyethylene (PE) markedly improves wear resistance compared to conventional PE. We evaluated this type of PE in two randomized clinical studies using radiostereometric analysis (RSA). The 2- and 3-year follow-up of these studies have already been reported. We ...
Yilmaz Emel - - 2007
OBJECTIVE: The study aimed to evaluate the effects of putting a sandbag on femoral access site after cardiac invasive procedure and changing patients' position in bed on vascular complications rate and the severity of back pain related to the duration of bed rest after procedure. METHODS: This randomized controlled study ...
Cunningham Bruce - - 2007
In 2005, convincing safety and efficacy data were presented, resulting in the approval of Mentor MemoryGel Implants, with conditions. The 1007 women enrolled in the 10-year, multicenter, Mentor Core MemoryGel Study were distributed into four cohorts: 551 primary augmentation patients, 146 revision-augmentation patients, 251 primary reconstruction patients, and 59 revision-reconstruction ...
Bush Stephen H - - 2007
OBJECTIVES: To apply the Six Sigma tools of Change Acceleration Process and Work-Out and to improve patient access in an outpatient clinic in a hospital-based residency training program. STUDY DESIGN: Observational study. METHODS: Comparison of productivity in an obstetrics and gynecology clinic after implementation of the Six Sigma principles, with ...
Bragdon Charles R - - 2007
To reduce wear rates and particulate debris, highly cross-linked polyethylene has been in use in total hip arthroplasty for 8 years. We designed this followup study to primarily determine the total penetration rate of the femoral head and the steady-state wear rate of cross-linked polyethylene in patients undergoing primary total ...
Ström Håkan - - 2007
Forty-two patients (younger than 65 years) with osteoarthritis were operated on with an uncemented CLS stem and randomized to early unrestricted weight bearing combined with intensive physiotherapy or to partial weight bearing combined with self-training. Radiostereometric analysis showed 1.2 (+0.11 to -6.76) mm subsidence of the stem at 24 months ...
Kung Peter L - - 2007
Dislocation is a common complication after revision total hip arthroplasty, particularly if the abductor mechanism is deficient. Use of a large femoral head may reduce the incidence of dislocation. However, it is not clear if the large femoral head is effective in controlling dislocation when the abductor mechanism is deficient. ...
Lusty P J - - 2007
BACKGROUND: Wear debris has been implicated in the pathogenesis of osteolysis. Alumina-on-alumina ceramic bearings have a low wear rate, which may reduce the prevalence of osteolysis. The purpose of this study was to determine the rates of wear and osteolysis associated with modern cementless hip arthroplasty with alumina-on-alumina bearings at ...
Jeon Dae-Geun - - 2007
BACKGROUND: The purpose of this study is to ascertain the survival of the pasteurized autograft-prosthesis composite and functional outcome of this procedure, and to evaluate the complications including nonunion, infection, loosening, bony resorption, and fracture. METHODS: We retrospectively reviewed 13 proximal tibial sarcoma patients who underwent tibia reconstructions with using ...
McConway J - - 2007
Between April 1992 and July 2005, 310 posterior lip augmentation devices were used for the treatment of recurrent dislocation of the hip in 307 patients who had received primary total hip replacements (THRs) using Charnley/Charnley Elite components with a cemented acetabulum. The mean number of dislocations before stabilisation with the ...
Lachiewicz Paul F - - 2007
It is unclear whether resurfacing or fully porous-coated or proximally coated stems are the best femoral components for young patients. First-generation proximally coated titanium fiber-metal femoral components had a high rate of failure. We prospectively followed 56 patients (70 hips) whom we believed were at high risk for loosening of ...
Hilding Maria - - 2007
BACKGROUND: Postoperative migration of a joint prosthesis is related to the risk of late loosening. We have previously reported that oral treatment with clodronate reduced migration of the cemented NexGen total knee prosthesis during the first postoperative year, as measured by radiostereometry (RSA). Oral bisphosphonate treatment is sometimes unpleasant, and ...
Tindall Alistair - - 2007
We evaluated the survival of 112 consecutive JRI hydroxyapatite ceramic-coated threaded acetabular components (JRI Ltd, London, UK). Follow-up was for a minimum of 13 years (range, 13-15 years). Patients were assessed clinically and radiographically using the Merle d'Aubigné and Postel scoring systems and the De Lee and Charnley zones. Cup ...
Carreras Enric - - 2007
Veno-occlusive disease of the liver (VOD) is a potentially severe complication of high-dose cytoreductive therapy (HDT) used for stem cell transplantation (SCT). This complication is uncommon after HDT for autologous SCT (ASCT) in patients with multiple myeloma (MM). The Spanish Myeloma Group/PETHEMA conducted a study (MM2000) for patients with newly ...
Gulotta Lawrence V - - 2008
Between December 1996 and April 2003, 26 consecutive femoral component revisions in 24 patients were performed with an extensively hydroxyapatite-coated femoral stem. Two patients were lost to follow-up, and two patients died of unrelated causes. Of the 22 femoral revisions in 20 patients, there was a 0% incidence of mechanical ...
Desmarais Ariane - - 2007
This report describes an apparent case of femoral nerve mononeuropathy in a 58-year-old equestrian due to mechanical stress. A woman presented at a chiropractic office complaining of right buttock pain radiating to the right groin and knee. A treatment plan, consisting of chiropractic adjustments in addition to stretching and myofascial ...
Attar Fahad G - - 2008
We performed a survival analysis on 354 cemented primary press-fit condylar total knee arthroplasties in 277 patients with prospective follow-up (mean, 8.8 years; range, 0.3-16.9 years). The number of patients alive reaching 15 years at follow-up for survival analysis was 15. The cumulative survival rate at 15 years was 81.7% ...
Stanfield, David
6 p., Revision of a 1996 unpublished document entitled: Land and ethnicity in the Republic of Dagestan.
Zhang Hui - - 2008
This study was designed to evaluate the midterm (> or = 5 years) clinical and radiographic outcomes of the cementless total hip arthroplasty in 64 Chinese patients (72 hips), which revealed that the mean Harris hip score increased from an average of 44.0 points before operation to 92.4 points at ...
Min Byung-Woo - - 2008
We evaluated the significance of the stem alignment in 98 consecutive primary total hip arthroplasties with a cementless CLS component (Zimmer, Winterthur, Switzerland) after a mean follow-up period of 7.7 years (range, 5-11 years) The patients were divided into 3 groups on the basis of stem alignment: neutral, 62 hips ...
Philippon Marc J - - 2008
The purpose of this study was to investigate percent fill and repair grade of microfractured lesions of the acetabulum. Nine patients underwent revision hip arthroscopy for a variety of procedures after undergoing microfracture for treatment of a full-thickness chondral defect of the acetabulum at primary arthroscopy. The size of the ...
Wroblewski B M - - 2007
The increasing incidence of obesity in the population is a topic of current interest. This trend is reflected in patients undergoing primary Charnley hip replacement. Over a 21 year period from January 1986 to October 2006, during which 6910 primary operations were performed, the body mass of patients increased at ...
Hing C B - - 2007
We report an independent prospective review of the first 230 Birmingham hip resurfacings in 212 patients at a mean follow-up of five years (4 to 6). Two patients, one with a loose acetabular component and the other with suspected avascular necrosis of the femoral head, underwent revision. There were two ...
Clayton Robert - - 2007
This retrospective study evaluated the intermediate clinical results ot a series of 143 patients after total hip arthroplasty using the Definition PM femoral component. One hundred twenty-two patients had a mean follow-up of 5 years (range, 23-77 months), died (mean 30 months; range, 6-56 months), or were revised (mean 20 ...
Gallinaro Paolo - - 2007
This prospective study was conducted on 108 consecutive implantations straight, cementless, taper-designed stem with variable lateral flare (Pegasus; DePuy, Warsaw, Indiana) at an 8- to 10-year follow-up; DEXA scanning was performed at 3 and 12 months on a second cohort of 40 patients. The mean Harris hip score was 94.2, ...
Lonner Jess H - - 2007
There are little data reporting perioperative morbidity and postoperative complications of bilateral sequential revision total knee arthroplasties (TKAs) performed in one anesthetic setting. We retrospectively reviewed 49 patients undergoing 51 complete (tibial and femoral components) bilateral revision TKAs under a single anesthetic between 1999 and 2006. The average age was ...
Lian Yong-Yun - - 2008
This study evaluated the 5- to 19-year clinical and radiographic results of cementless acetabular revision. Between 1986 and 1998, 130 hips (125 patients) underwent cementless acetabular revisions. Ten patients were lost to follow-up; 6 patients died. One hundred nine patients (114 hips) were reviewed at a mean follow-up of 8.8 ...
Patil Sanjeev - - 2008
This study included 143 patients who had revision total hip arthroplasty (THA) and 144 patients who had primary THA. The primary outcome variable in this study was the Western Ontario and McMaster Universities Osteoarthritis Index scores. Univariate and multivariate regression models were used to assess the relationship between surgical procedure ...
Chang Jun-Dong - - 2007
Treatment of pelvic osteolysis after total hip arthroplasty (THA) remains controversial. Clinical and radiographic outcomes of revision THA were evaluated in 62 hips with pelvic osteolysis and well-fixed cementless cups. The patients' mean age was 50.9 years, and the mean interval from primary to revision THA was 9.7 years. For ...
O'Brien S - - 2007
We report a series of 706 patients (759 hip implants) with an average follow up of 10.5 years (range, 10 - 11 years) following total hip replacement (THR) using a cemented custom-made femoral stem and a cemented HDP acetabular component. The fate of every implant is known. One hundred and ...
Lettich Thomas - - 2007
This prospective study reports the midterm outcome of total hip arthroplasty performed in a consecutive series of patients using a tapered uncemented femoral component. The cohort consists of 631 patients (700 hips). The clinical records and the routine serial radiographs of these patients were monitored closely over a 5-year period. ...
Ender Stephan Albrecht - - 2007
BACKGROUND: Bone-saving hip arthroplasty techniques, which facilitate revision, are gaining importance as the number of hip replacements in younger patients increases. PATIENTS AND METHODS: 123 CUT femoral neck prostheses (ESKA Implants, Lübeck, Germany) were implanted in 113 patients (average age 53 years) between 1999 and 2002. After a mean follow-up ...
Saragaglia Dominique - - 2007
The objective of this article was to assess the long-term follow-up of the first 26 computer-assisted total knee arthroplasties (TKAs) performed between January, 1997, and December, 1998, using the prototype of the OrthoPilot (B. Braun Aesculap, Tuttlingen, Germany). Three patients died of unrelated causes at 3, 8, and 9 years ...
Lee Joong-Myung - - 2007
The comparison between standard blasted and hydroxyapatite (HA)-coated cementless femoral stems (CLS stem) was made in the same patients who have bilateral late-stage osteonecrosis. Clinical and radiographic evaluations were performed in 20 patients (among 29 patients) with the minimum follow-up of 10 years (range, 123-168 months). Endosteal bone formation was ...
Lee P H - - 2008
We evaluated the feasibility and safety of therapy with mesenchymal stem cells (MSCs) through consecutively intra-arterial and three repeated intravenous injections and compared the long-term prognosis between MSC-treated (n=11) and control multiple system atrophy (MSA) patients (n=18). The MSC-treated patients showed significantly greater improvement on the unified MSA rating scale ...
Koulouvaris Panagiotis - - 2008
The anatomic abnormalities associated with the dysplastic acetabulum make total hip arthroplasty a very complex and challenging procedure. Various techniques have been reported for the reconstruction of the dysplastic acetabulum. This prospective study examined the clinical results and technical challenges associated with acetabular reconstruction using a cementless modular centroid reconstruction ...
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