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Rothwell A G - - 2010
We analysed data from the Oxford hip and knee questionnaires collected by the New Zealand Joint Registry at six months and five years after joint replacement, to determine if there was any relationship between the scores and the risk of early revision. Logistic regression of the six-month scores indicated that ...
Lee Dae-Hee - - 2010
Equalized rectangular extension and flexion gaps are considered desirable to ensure proper kinematics in total knee arthroplasty (TKA). We compared soft tissue balancing in TKAs performed using navigation-assisted gap-balancing (60 knees) and conventional measured resection (56 knees). The outlier of soft tissue balancing was defined as a gap difference >3 ...
Jamtvedt Gro - - 2010
BACKGROUND AND PURPOSE: Patients with knee osteoarthritis (OA) are commonly treated by physiotherapists in primary care. The physiotherapists use different treatment modalities. In a previous study, we identified variation in the use of transcutaneous electrical nerve stimulation (TENS), low level laser or acupuncture, massage and weight reduction advice for patients ...
Bonutti Peter M - - 2010
BACKGROUND: The mini-subvastus and the mini-midvastus approaches are among the most common alternatives to the medial parapatellar approach for total knee arthroplasty. The purpose of this study was to compare the early clinical outcomes of these two approaches. METHODS: In this prospective, randomized study of fifty-one patients who underwent bilateral ...
Bourke Henry E - - 2010
We present a technical note on 2 patients with post-traumatic symptomatic hyperextension of the knee treated with a new arthroscopic technique. Both patients were of similar ages with similar injuries resulting in an excess of hyperextension at the knee with resulting instability and pain. Both patients had not improved with ...
Gajjar Shreyash M - - 2010
Recurrent hemarthrosis following total knee replacement is relatively uncommon and can result from causes that may not always be easy to diagnose. We report three patients with late-onset recurrent hemarthrosis following total knee replacement due to synovial hypertrophy and impingement, which were successfully treated by embolization.
Comas Mercè - - 2010
There is a high volume of unmet needs for knee arthroplasty in the population despite the increase in surgery rates. Given the long waiting times to have a knee arthroplasty, some governments have proposed prioritization systems for patients on waiting lists based on their level of need. We therefore estimated ...
van Raaij Tom M - - 2010
There is controversial evidence regarding whether foot orthoses or knee braces improve pain and function or correct malalignment in selected patients with osteoarthritis (OA) of the medial knee compartment. However, insoles are safe and less costly than knee bracing if they relieve pain or improve function. We therefore asked whether ...
Maniar Rajesh N - - 2011
We analyzed alignment of 300 knees, divided equally into groups according to total knee arthroplasty technique: Conventional, CAS-Early (computer-assisted surgery during the surgeon's learning curve), and CAS-Late (after experience with CAS). With the margin of error for alignment of the mechanical axis and femoral and tibial components each within ±3°, ...
Chang Chong Bum - - 2010
Patient age, radiographic severity of osteoarthritis (OA), and severity of symptoms are typically considered as the three key factors in selecting the osteoarthritic patients for total knee arthroplasty (TKA). The purpose of this study was to evaluate the associations between the three selection criteria and the postoperative outcomes including patient ...
Wu Chi-Chuan - - 2011
This paper described a less invasive surgical technique that was performed for treatment of elderly patients with isolated patellofemoral (PF) osteoarthritis (OA) associated with patellar malalignment, although their tibiofemoral joints are minimally osteoarthritic. Two hundred and thirty-four knees in 126 consecutive elderly patients (average, 72yrs) diagnosed with combined disorders were ...
Blatsoukas Konstantinos S - - 2010
AIM: The aim of this study was to evaluate the efficacy of two different autotransfusion methods in total knee replacement (TKR) performed without tourniquet, in comparison to allogeneic blood transfusion (ABT) only. METHOD: In a comparative study, 248 patients with knee osteoarthritis were randomized in three groups: in control Group ...
Matziolis Georg - - 2010
Varus malalignment after total knee replacement is mentioned to be a major risk factor for postoperative pain and functional impairments. This wide spread opinion is based on the historical data derived from implantations performed in the late 1970s and early 1980s. We tested the hypothesis whether significant varus malalignment leads ...
Renkawitz T - - 2010
OBJECTIVE: To evaluate whether a further optimization of an existing accelerated clinical pathway protocol after total knee replacement is feasible and improves postoperative outcome. DESIGN: Prospective, parallel group design. SETTING: Orthopaedic University Medical Centre. PATIENTS: A total of 143 patients, scheduled for unilateral primary total knee replacement under perioperative regional ...
Pascual-Garrido Cecilia - - 2010
The purpose of this study was to determine if the cartilage from loose osteochondral fragments remains viable. Five patients with OCD of the knee who had undergone surgical treatment (arthroscopic reduction and internal fixation of the loose body) were included. The average age of patients was 13 years (range 10-14 ...
Guo Lin - - 2010
This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy.
Gandhi Rajiv - - 2011
The primary objective of our meta-analysis was to compare the incidence of complications between minimally invasive surgery and standard total knee arthroplasty (TKA) approaches. We reviewed randomized controlled trials comparing minimally invasive TKA to standard TKA. After testing for publication bias and heterogeneity, the data were aggregated by random effects ...
Ocguder Ali - - 2010
INTRODUCTION: The treatment of infected total knee arthroplasty (TKA) is controversial and various. Two-stage prolonged reimplantation and 6-week systemic antibiotics use have been a gold standard of treatment in recent years. PATIENTS: Seventeen knees of 17 patients, who underwent primary TKA and subsequently developed infections, were implanted articulating antibiotic-loaded cement ...
Görtz Simon - - 2010
Osteonecrosis is a complication of corticosteroid therapy with limited treatment options in young, active patients. These options include debridement, core decompression, osteotomy, allografting, and partial or total knee replacement. Few studies exist regarding the use of osteochondral allografts for treatment of steroid-associated osteonecrosis. We asked if fresh osteochondral allografts would ...
Price A J AJ The Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, NIHR Biomedical Research Unit, The Nuffield Orthopaedic Centre NHS Trust, Oxford, UK. - - 2010
Revision is the gold standard outcome measurement for survival analyses of orthopaedic implants but reliance on revision as an endpoint has been recently questioned. This study, that assesses long-term outcome in a specific group of patients who had undergone total knee replacement (TKR) for osteoarthritis, highlights the main problems facing ...
Gille J - - 2010
Articular cartilage defects heal poorly. Autologous Matrix-Induced Chondrogenesis (AMIC) is an innovative treatment for localized full-thickness cartilage defects combining the well-known microfracturing with collagen scaffold and fibrin glue. The purpose of this prospective study was to evaluate the medium-term results of this enhanced microfracture technique for the treatment of chondral ...
Raaijmaakers Martijn - - 2010
We reviewed all patients of 65 years and older (n=183), who underwent a knee arthroscopy between 2004 and 2005. The purpose of our study was to determine the frequency and severity of cartilage lesions and their influence on short-term clinical outcome. Signs of osteoarthritis (OA) were absent or minor on ...
Gallie Price A M - - 2010
BACKGROUND: Correction of a fixed flexion deformity is an important goal when performing total knee arthroplasty. The purpose of this study was to assess the accuracy of clinical assessment compared with imageless computer navigation in determining the degree of fixed flexion. METHODS: We performed navigation anatomy registration using 14 cadaver ...
Hazarika Shariff - - 2010
The effects of re-infusion drains on the rate of allogeneic blood transfusion and post-op haemoglobin levels in Total Knee Arthroplasty were examined. A group of 22 patients undergoing primary Total Knee Arthroplasty using a CBCII Constavac Stryker re-infusion drainage system were compared with a group of 30 patients, matched for ...
Fioravanti Antonella - - 2010
OBJECTIVE: To assess both the short- and long-term effectiveness of spa therapy in patients with primary knee osteoarthritis in a prospective, randomized, single-blinded, controlled trial. DESIGN: Eighty outpatients were enrolled in this study; 40 patients were treated with a combination of daily local mud packs and bicarbonate-sulfate mineral bath water ...
Nakao Shigetaka - - 2010
This study aimed to clarify the therapeutic effects of postoperative ambulation after total knee arthroplasty (TKA) on deep venous thrombosis (DVT) in patients with osteoarthritis (OA) and rheumatoid arthritis (RA) after TKA. Subjects of this study were thirty-seven inpatients (21 inpatients: OA, 16 inpatients: RA) undergoing TKA (32 female and ...
Clements Warren J - - 2010
Patella resurfacing in total knee arthroplasty is a contentious issue. The literature suggests that resurfacing of the patella is based on surgeon preference, and little is known about the role and timing of resurfacing and how this affects outcomes. We analyzed 134,799 total knee arthroplasties using data from the Australian ...
Robertsson Otto - - 2010
The number of national arthroplasty registries is increasing. However, the methods of registration, classification, and analysis often differ. We combined data from 3 Nordic knee arthroplasty registers, comparing demographics, methods, and overall results. Primary arthroplasties during the period 1997-2007 were included. Each register produced a dataset of predefined variables, after ...
Oohashi Yoshikazu - - 2010
The purposes of this study were to report clinical features of the developmental anomaly of ossification type bipartite or tripartite patella using a large series and to propose a new classification for the developmental anomaly of ossification type bipartite or tripartite patella. The first author prospectively examined 111 patients with ...
Ishii Y - - 2011
The in vivo relationship between the degree of voluntary soft tissue tension and articular conformity after total knee arthroplasty (TKA) and anteroposterior (AP) displacement was simultaneously investigated by analyzing LCS prostheses (posterior cruciate ligament-sacrificing rotating platform design) in 20 knees from 20 patients. AP displacement was measured using the KT-2000 ...
Lakstein Dror - - 2010
Component malrotation is a recognized cause of post total knee arthroplasty (TKA) pain. We reviewed 24 patients who had TKA revision due to component malrotation as the only objective abnormality. Mean combined component rotation was 6.8° excessive internal rotation, as documented by computed tomography. Twenty-four matched control patients had TKA ...
Kwon Sae Kwang SK Joint Reconstruction Center, Seoul National University Bundang Hospital, and Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seongnam-si, Seoul, - - 2010
Patient satisfaction is becoming increasingly important as a crucial outcome measure for total knee arthroplasty. We aimed to determine how well commonly used clinical outcome scales correlate with patient satisfaction after total knee arthroplasty. In particular, we sought to determine whether patient satisfaction correlates better with absolute postoperative scores or ...
Pierrynowski Michael Raymond - - 2010
BACKGROUND: This study introduces two novel outcomes that could be used to identify people with knee osteoarthritis from healthy controls. These outcomes examine the lengths of paths on a sphere derived from knee angle and knee position during gait. METHODS: Participants with moderate knee osteoarthritis (n=47) and no knee pathology ...
Yakhdani Hamid R Fallah - - 2010
BACKGROUND: Patients with knee osteoarthritis often feel unstable, suffering from buckling (giving way) or even falling. This study aimed at characterising such instability, and following it over time. METHODS: We investigated treadmill walking in knee osteoarthritis, focusing on angular velocity of sagittal plane knee movements. Knee osteoarthritis patients were followed ...
Blumenfeld Thomas J - - 2010
Use of an all-polyethylene tibial component in primary total knee arthroplasty remains an attractive option considering the reported durability of the construct, the lowered cost compared to modular metal-backed tibia, and the elimination of backside wear. The two major intra-operative disadvantages include the inability to alter the tibial component thickness ...
Farr Joshua N - - 2010
Prescription of resistance training (RT) exercises is an essential aspect of management for knee osteoarthritis (OA). However, whether patients with knee OA who are randomly assigned to receive RT simply substitute RT for other modes of physical activity remains unclear. The aim of this study was to determine the effect ...
Ambrose N L NL Beaumont Hospital, Dublin, Ireland. - - 2010
Osteoarthritis (OA) of the knee is a common disorder with significant social and financial implications. Obesity is the strongest modifiable risk factor of knee OA. There is little data on obesity in Irish knee OA populations and its relationship to other measures of disease severity. In Beaumont Hospital, we have ...
Andersen L Ø - - 2010
BACKGROUND: High-volume wound local infiltration analgesia is effective in knee arthroplasty, but the analgesic efficacy of subcutaneous wound infiltration has not been evaluated. METHODS: In a randomised, double-blind, placebo-controlled trial in 16 patients undergoing bilateral knee arthroplasty with high-volume local infiltration analgesia in the deeper layers, saline or ropivacaine 2 ...
van Jonbergen Hans-Peter W - - 2010
The purpose of this study was to correlate the long-term survival of patellofemoral arthroplasty with primary diagnosis, age, sex, and body mass index. One hundred eighty-five consecutive Richards type II patellofemoral arthroplasties were performed in 161 patients with isolated patellofemoral osteoarthritis. Diagnoses included primary patellofemoral osteoarthritis, posttraumatic patellofemoral osteoarthritis, and ...
Haytmanek Craig T - - 2010
BACKGROUND: A substantial number of patients experience postoperative cognitive changes following total joint arthroplasty. The change in mental status may be the result of fat and bone-marrow-debris embolization. We hypothesized that the use of computer-assisted total knee arthroplasty, which does not involve the use of intramedullary alignment rods, would produce ...
Walls Raymond J - - 2010
Supervised preoperative muscle strengthening programmes (prehabilitation) can improve recovery after total joint arthroplasty but are considered resource intensive. Neuromuscular electrical stimulation (NMES) has been shown to improve quadriceps femoris muscle (QFM) strength and clinical function in subjects with knee osteoarthritis (OA) however it has not been previously investigated as a ...
Crosbie Jack - - 2010
PURPOSE: To investigate whether measured and patient-perceived function 6 months after total knee replacement (TKR) can be predicted from factors measured during post-operative rehabilitation. METHOD: Retrospective analysis of data from a randomised clinical trial involving 100 patients after TKR. High- and low-performing subjects for pain, WOMAC score and 6-min walk ...
Shin Y H - - 2010
INTRODUCTION: The safety of simultaneous bilateral total knee arthroplasty (SBTKA) remains controversial. This study aimed to compare the postoperative outcomes of SBTKA versus unilateral total knee arthroplasty (UTKA) performed by a single surgeon at a tertiary teaching hospital in Korea. METHODS: 629 female patients with total knee arthroplasty (308 patients ...
BugaƂa-Szpak Justyna - - 2010
BACKGROUND: Gonarthrosis is the most frequent indication to perform arthroplasty of the knee joint. The purpose of the study was to examine the effect of selected factors on quality of life evaluation in patients after a knee arthroplasty for gonarthrosis. MATERIAL AND METHODS: Forty patients aged 40 to 85 years ...
Akgün Umut - - 2010
OBJECTIVES: We evaluated the results of a modified Fulkerson technique performed for the treatment of recurrent patellofemoral dislocations. METHODS: The study included 17 knees of 16 patients (11 males, 5 females; mean age 25 years; range 15 to 43 years) who were operated on by the same surgeon for patellofemoral ...
Frauchiger Lars Henrik - - 2010
The authors report on bilateral simultaneous knee arthroplasty in a 40-year-old male patient with haemophilia A, high inhibitor titre and an aneurysma spurium of the right popliteal artery. Both knees showed a fixed flexion deformity of 20 degrees. To build up haemostasis, treatment with activated prothrombin complex concentrate (APCC) and ...
Kirschner Stephan - - 2010
Identification of all common and potentially avoidable adverse events is crucial to further improve the quality of medical care. The intention of the current study was to evaluate a standardized physician independent survey format on adverse events in total knee arthroplasty. The protocol for reporting adverse drug events following the ...
Schmalz Thomas - - 2010
The biomechanical effectiveness of a valgus-inducing knee brace was investigated for 16 patients with knee osteoarthritis (mean +/- standard deviation age 56 +/- 10 yr, height 172 +/- 9 cm, mass 83 +/- 7 kg, body mass index 27.6 +/- 4.5 kg/m(2)). At the time of investigation, all subjects had ...
Zeni Joseph A JA - - 2010
BACKGROUND: Arthritis is a leading cause of disability in the United States. Total knee arthroplasty (TKA) has become the gold standard to manage the pain and disability associated with knee osteoarthritis (OA). Although more than 400,000 primary TKA surgeries are performed each year in the United States, not all individuals ...
Novicoff Wendy M - - 2010
Total knee arthroplasty has proven to be successful in improving a patient's quality of life. Traditional total knee instrumentation aligns 80% of knees within 3 degrees of neutral alignment, leaving 20% with outliers with more than 3 degrees of deformity. Computer-assisted surgery in total knee arthroplasty is a relatively new ...
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