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Results 451 - 500 of 2806
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Meding John B - - 2010
Three hundred eighty-seven one-piece, 8-mm tibial components were implanted in 313 patients. All tibial prostheses were manufactured with 4.4 mm of polyethylene. From this group, 116 patients underwent simultaneous bilateral total knee arthroplasty with an 8-mm tibial component on one side and a tibial component with at least 6.4 mm ...
Smith Toby O - - 2010
Proponents of tourniquets postulate that they optimise intra-operative visibility and reduce blood loss. This study compared the outcomes of tourniquet assisted to non-tourniquet assisted total knee replacement (TKR). A systematic review was undertaken of the electronic databases Medline, CINAHL, AMED and EMBASE, in addition to a review of unpublished material ...
McClelland Jodie A - - 2009
BACKGROUND: Three-dimensional motion analysis has provided important information about functional outcome for patients who have undergone total knee replacement, yet many comparisons to control populations are inconclusive. Some of these findings may be explained by variability in patients' repeated performance, however this has not been previously reported. Therefore the objective ...
Engebretsen Lars - - 2009
Dislocation of the knee is a relatively rare injury with modern arthroscopic techniques, operative reconstruction has become the standard of care. The primary aim of this study was to prospectively follow a large, consecutive series of patients with knee dislocation to document associated injuries, surgical treatment, knee function, and knee ...
Garcia Ryan M - - 2010
Postoperative anterior knee pain can be challenging after primary total knee arthroplasty. Isolated patellar resurfacing may provide symptomatic improvement in those patients with an unresurfaced patella. Seventeen isolated patellar resurfacing procedures were performed. Patient outcomes were evaluated using the Knee Society clinical and roentgenographic evaluation systems. Continued symptomatology and overall ...
Whittaker John-Paul - - 2010
Medial unicompartmental arthroplasties (UKA) are available with mobile- and fixed-bearing designs, with the advantages of one bearing over another unproven. We questioned whether the bearing design influenced clinical outcome, survivorship, the reason for revision, or the timing of failures. We retrospectively reviewed 179 patients (229 knees) who had medial unicompartmental ...
van Neer Pierre - - 2009
This prospective study investigated persistent reflux of the below knee great saphenous knee (GSV) 2 years after stripping the above knee GSV and the effect on reflux of postoperative incompetent perforating veins (IPVs). Included were 59 consecutive ambulatory patients in a community hospital with untreated primary varicose veins and reflux ...
Kili?o?lu Onder - - 2010
Effects of balneotherapy on gait properties of patients with osteoarthritis of the knee were investigated prospectively. A total of 30 patients with knee osteoarthritis received balneotherapy consisting of two daily thermomineral water baths for 2 weeks. Patients were evaluated using gait analysis and clinical scores, both within 2 weeks, before ...
Gandhi Rajiv - - 2010
We asked the question of what are the patient level predictors (age, gender, body mass index, education, ethnicity, mental health, and comorbidity) for a sustained functional benefit at a minimum of 1 year follow-up after total knee arthroplasty(TKA). Five hundred fifty-one consecutive patients were reviewed from our joint registry between ...
Arnout Nele - - 2009
Minimally invasive surgery has recently been introduced in TKA surgery. The purpose of this study was to evaluate the effect of eversion of the patella, on safety and functional result after TKA. In a prospective, randomised, double blinded trial, 60 patients were divided in two groups: group A underwent TKA ...
Bae Dae Kyung - - 2009
The results of 11 total knee arthroplasties in 9 patients with a Charcot joint secondary to neurosyphilis were reviewed. The mean age was 60.1 years, and follow-up averaged 12.3 years. Endomodel rotating hinge prostheses (Waldemar Link GMBH and Co, Hamburg, Germany) were implanted in all knees. The mean knee score ...
Mullaji Arun - - 2009
Forty extra-articular deformities (22 femoral and 18 tibial) in 34 patients (mean age, 63.1 years) were studied. Mean coronal extra-articular deformity was 9.3 degrees ; mean preoperative limb alignment was 166.7 degrees . Three limbs underwent simultaneous corrective osteotomy; the rest were treated with intra-articular correction during computer-assisted total knee ...
L??ken Sverre - - 2009
Autologous chondrocyte implantation (ACI) usually results in improvement in clinical scores. However, long-term isokinetic muscle strength measurements have not been reported. Biopsies from the repair tissue have shown variable proportions of hyaline-like cartilage. In this study, 21 consecutive patients were treated with autologous cartilage implantations in the knee. Mean size ...
Dewan Ashvin - - 2009
This study investigated the effect of body mass index (BMI) on outcomes after cemented tricompartmental total knee arthroplasty (TKA). Functional and radiographic Knee Society scores in 71 patients (94 knees) with BMI 30 to 39 and 31 patients (41 knees) with BMI > or =40 were compared with 67 patients ...
Paul J - - 2009
BACKGROUND: Autologous osteochondral transplantation is accepted as one of the major treatment options for cartilage defects of the talus. One disadvantage of this technique is the need to harvest a donor graft from a normal knee. The potentially detrimental effect of graft harvest on knee function remains unclear. METHODS: Two ...
Bettinson Karen A - - 2009
BACKGROUND: Several studies have described equivalent performance on radiostereometric analysis at two years for metal-backed compared with all-polyethylene stemmed tibial implants. The purpose of this study was to determine the ten-year survivorship results of these two designs from a large randomized controlled trial. METHODS: Patients who were fifty years old ...
Moonot Pradeep - - 2009
A sensitive and reproducible measurement of knee surgery outcomes is increasingly needed. However, it has been difficult to compare results because of numerous scoring systems and the publication of data in these systems. Our aim was to compare the more widely used American Knee Society score (AKSS) with the shorter ...
Liska William D - - 2009
To describe a surgical technique for total knee replacement (TKR) in dogs with severe osteoarthritis (OA) and report 1-year outcome. Prospective clinical case study. Dogs (n=6) with severe stifle OA. Preoperative and postoperative evaluations were compared after 6 dogs had TKR. Data gathered included radiographs, goniometric measures of passive range ...
von Schewelov Thord - - 2009
The press-fit condylar (PFC) cruciate-retaining total knee prosthesis is well documented in the literature. In 1997, a modification of the femoral component was introduced, and the prosthesis was renamed PFC-Sigma. The alteration may influence the migratory and rotational pattern of the tibial component and thus long-time survival rate. In this ...
Sloan Frank A - - 2009
BACKGROUND: This study assessed changes in physical functional status following receipt of total knee arthroplasty (TKA) for patients diagnosed with osteoarthritis (OA) of the knee in a national sample of persons aged 65+ in the United States relative to a sample of similar OA patients who did not receive TKA. ...
Ornetti P - - 2009
OBJECTIVE: To evaluate the psychometric properties of the French KOOS physical function (KOOS-PS) and HOOS physical function (HOOS-PS), specifically its feasibility, reliability, construct validity, and responsiveness. METHODS: Consecutive outpatients consulting for primary knee or hip osteoarthritis (OA) in a rheumatology department were included. During the initial assessment, patients were asked ...
Khakharia Saurabh - - 2009
Extension contracture of the knee is a common complication of femoral lengthening. Knee flexion exercises to stretch the contracture with physical therapy can be effective but take a prolonged amount of time to work and place increased stress across the patellofemoral joint. We developed a minimal-incision limited quadricepsplasty surgical technique ...
Harrington Melvyn A - - 2009
The purpose of this prospective, randomized study was to compare the early clinical and functional results of primary total knee arthroplasty using a fixed-bearing (FB) and a rotating-platform (RP) prosthesis. Outcomes including range of motion (ROM), Knee Society Score, Western Ontario MacMaster (WOMAC), and Short Form-36 (SF-36) were measured preoperatively ...
Fang David M - - 2009
A recent study has challenged the premise that well-aligned total knee arthroplasties (TKAs) have better survival than outliers. This study examines the importance of overall coronal alignment as a predictor for revision. Patients with primary TKAs were stratified into neutral, varus, and valgus alignment groups based on the postoperative tibiofemoral ...
Saenz Cesar L - - 2010
Refined prosthetic designs and surgical techniques for unicompartmental knee arthroplasty have recently been associated with improved outcomes. The purpose of the present study was to evaluate the clinical and radiographic outcomes of the EIUS unicompartmental design, which has an all-polyethylene tibial component, and to compare these outcomes with published reports ...
Almqvist Karl Fredrik - - 2009
BACKGROUND: The repair of osteochondral lesions is imperfect and transient; chondral lesions do not heal in mature cartilage. Attempts have been made to restore cartilage lesions by filling the defects with a temporary artificial biocompatible matrix. PURPOSE: To determine whether the implantation of alginate beads containing human mature allogenic chondrocytes ...
Memtsoudis Stavros G - - 2009
Lung injury following total knee arthroplasty (TKA) may occur secondary to embolization of bone debris, fat, and cement. Clinically relevant respiratory failure is rare and is therefore difficult to study. To facilitate future investigations on this subject, we evaluated the utility of the elastin breakdown product desmosine as a potential ...
Reilly K - - 2009
OBJECTIVES: Physiotherapists do not routinely examine the feet of patients with lower limb osteoarthritis, and there is no widely used tool for measuring foot posture. However, differences in foot posture have been demonstrated between patients with medial compartment osteoarthritis of the knee and osteoarthritis of the hip, and guidelines for ...
Patil Nilesh - - 2010
The management of the patella during revision total knee arthroplasty (TKA) depends on the indication for revision, the type and stability of the patellar component in place, and availability of bone stock. We prospectively compared the clinical outcome and satisfaction rates in revision TKA patients managed with patellar resurfacing (n ...
Pietrosimone Brian G - - 2009
PURPOSE: To determine whether transcutaneous electrical nerve stimulation (TENS) and focal knee joint cooling will affect the quadriceps central activation ratio (CAR) in patients with tibiofemoral osteoarthritis. METHODS: Thirty-three participants with diagnosed tibiofemoral osteoarthritis were randomly allocated to the 45-min TENS treatment (six males and four females, 56 +/- 10.1 ...
Lachiewicz Paul F - - 2009
We report the results of a consecutive series of total knee arthroplasties with use of a modular posterior stabilized prosthesis after a mean follow-up of twelve years (range, ten to eighteen years). In the five years since the original publication of our study, two additional knees were revised; one was ...
Dalury David F - - 2009
BACKGROUND: Proponents of minimally invasive total knee arthroplasty claim that patellar eversion and anterior tibial translation during total knee arthroplasty have a deleterious effect on early patient rehabilitation and the early clinical outcome. Our purpose was to identify differences in knee preference and clinical outcome measures in a series of ...
Mannan K - - 2009
We describe the survivorship of the Medial Rotation total knee replacement (TKR) at ten years in 228 cemented primary replacements implanted between October 1994 and October 2006, with their clinical and radiological outcome. This implant has a highly congruent medial compartment, with the femoral component represented by a portion of ...
Kim Young-Hoo - - 2009
BACKGROUND: The major goals of revision total knee arthroplasty include good clinical and radiographic results with a low complication rate. A retrospective review of a case series of revision total knee arthroplasties with a constrained condylar prosthesis by a single surgeon was performed in order to ascertain the role of ...
Cates Hal E - - 2009
Clinic records of 37 manipulations in 767 consecutive primary total knee arthroplasties (TKAs) were analyzed to identify any predictors of manipulation outcome. Factors studied were sex, age, body mass index, tibiofemoral alignment, surgical history, smoking history, range of motion before TKA and manipulation, intraoperative lateral release, implant design and manufacturer, ...
Lin Jin - - 2009
OBJECTIVE: To investigate the influence of gender on osteoarthritic knee rehabilitation outcome of osteoarthritis patient undergoing total knee arthroplasty (TKA). METHODS: We prospectively studied thirty male and thirty female knee primary osteoarthritis patients receiving unilateral TKA with posterior stable-fixed plateau prosthesis at our hospital from March 2003 to March 2008. ...
Pietrosimone Brian G - - 2009
The objective of this study was to evaluate the effects of a 20-min focal knee joint cooling intervention on quadriceps central activation ratio (CAR) in healthy volunteers. A counterbalanced, cross-over study assessed the effects of a focal joint cooling intervention compared with a control condition 3-14 days apart. Eleven healthy ...
Al-Omran Abdullah S - - 2009
OBJECTIVE: To assess the benefits of arthroscopic washout in osteoarthritis of the knee (OAK). METHODS: One hundred and fifty patients who underwent arthroscopic washout for early OAK between January 2001 and December 2006, at the King Fahd University Hospital, Al-Khobar, Kingdom of Saudi Arabia were analyzed. Preoperative assessment of patients ...
Borgwardt Lotte - - 2009
BACKGROUND AND PURPOSE Over the last 5 years, there has been increasing interest in reducing length of hospitalization (LOS) through accelerated programs. We examined the clinical outcome of patients undergoing a unicompartmental knee replacement (UKR) in an accelerated care program (A group) compared to a conventional care program (C group). ...
Stripeli Fotini F Second Department of Pediatrics, P. and A. Kyriakou Children's Hospital, Thivon & Levadias Street, Athens, Greece. - - 2009
Abstract This is a case of Scedosporium apiospermum skeletal infection in a 10-year-old immunocompetent girl whose chief complaint was left knee swelling and pain. The child had a history of a bicycle accident two months before with a resultant deep penetrating trauma. Systematic administration of broad-spectrum antibiotics for 10 days ...
Sim Jae Ang - - 2009
This study evaluated the preoperative distractive stress radiographs in order to quantify and predict the extent of medial release according to the degree of varus deformity in primary total knee arthroplasty. We evaluated 120 varus, osteoarthritic knee joints (75 patients). The association of the angle on the distractive stress radiograph ...
Järvenpää Jaakko - - 2010
When unicompartmental knee arthroplasty (UKA) failure occurs, a revision procedure to total knee arthroplasty (TKA) is often necessary. We compared the long-term results of this procedure to primary TKA and evaluated whether they are clinically comparable. Twenty-one patients underwent UKA conversion to TKA between 1991 and 2000. The results of ...
Kosashvili Yona - - 2010
Distal femoral varus osteotomy (DFVO) may be indicated for symptomatic lateral compartment gonarthrosis associated with valgus deformity in younger, active patients. Thirty-three consecutive DFVOs (31 patients) with a minimum follow-up of ten years (mean 15.1, range 10-25) were reviewed. Fifteen DFVOs were converted to total knee arthroplasty (TKA) and one ...
Mandeville David S - - 2009
The purpose of this study was to assess the use of a multivariate statistical method to rank clinical and gait variables, thus describing a ranking of patient dysfunction prior to and following total knee replacement (TKR) surgery. Twenty end-stage knee osteoarthritis (KOA) subjects scheduled for TKR and 20 healthy controls ...
Willis-Owen Charles A - - 2009
The viability of unicondylar knee arthroplasty (UKA) as a stand-alone or temporising option for the management of gonarthrosis is a topic of considerable contention. Despite recent advances in prosthesis design and surgical technique, as well as mounting evidence of long-term survivorship, UKA remains infrequently used, accounting for just 8-15% of ...
Heyse Thomas J - - 2009
Postoperative alignment is a predictor for long-term survival of total knee arthroplasty (TKA). The purpose of this study was to evaluate whether or not preoperative deformities predispose to intraoperative malposition of TKA components. A retrospective radiographic analysis of 53 primary TKA cases was performed. Preoperative AP hip to ankle and ...
McCalden Richard W - - 2009
The purpose of this study is to compare the range of motion and clinical outcomes of a standard posterior-stabilized (PS) vs the high-flex (HF) polyethylene tibial insert of a posterior cruciate substituting total knee arthroplasty system. One hundred patients were entered into a prospective, blinded, randomized clinical trial in which ...
Birmingham Trevor B - - 2009
OBJECTIVE: To evaluate the effect of medial opening wedge high tibial osteotomy on gait, radiographic, and patient-reported outcomes over a 2-year postoperative period in patients with varus alignment and medial compartment knee osteoarthritis, and to identify significant predictors of outcome. METHODS: We used an observational cohort study design and prospectively ...
Tigani D - - 2009
We performed a retrospective chart and radiograph review of 10 patients with a history of poliomyelitis involving a limb that subsequently underwent primary total knee arthroplasty between 2000 and 2008. One posterior stabilized (PS), two condylar constrained (CCK), and seven rotating hinge (RHK) prostheses belonging to the same system were ...
Cheng Kenneth - - 2010
Range of motion (ROM) is an important outcome variable after total knee arthroplasty (TKA). This may be compounded by a pre-existing fixed flexion deformity (FFD). We therefore examined the long-term outcomes of patients with a flexion deformity undergoing TKA compared to those without a preoperative fixed flexion deformity. Participants who ...
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