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El-Gammal Tarek A - - 2010
Between 1999 and 2005, seven patients had resection of tumors around the knee joint that involved half of the articular surface of the femoral or tibial side. Average age of the patients was 28 years (range, 14-40). Tumor pathology was giant cell tumor in four patients, osteoblastoma in two, and ...
Woolson Steven T - - 2010
Unicompartmental knee arthroplasty is increasing in popularity with the advent of less invasive procedures for knee arthritis. The percentage of patients undergoing knee arthroplasty who could be candidates for unicompartmental knee arthroplasty depends on the surgeon's evaluation of the radiographs, and this evaluation may depend on the surgeon's bias regarding ...
Shainhouse J Zev - - 2010
To assess the long-term safety of a topical solution of diclofenac sodium in a vehicle containing dimethyl sulfoxide (TDiclo), subjects with radiologically confirmed, symptomatic osteoarthritis of the knee(s) applied the clinical dose of TDiclo (40 drops, four times daily) to each painful knee for up to 52 weeks. Safety assessment ...
Wirth W - - 2011
To compare femorotibial cartilage thickness changes over a 2- vs a 1-year observation period in knees with radiographic knee osteoarthritis (OA). One knee of 346 Osteoarthritis Initiative (OAI) participants was studied at three time points [baseline (BL), year-1 (Y1), year-2 (Y2) follow-up]: 239 using coronal fast low angle shot (FLASH) ...
Hanratty Brian - - 2011
Increasing knee flexion following total knee arthroplasty (TKA) has become an important outcome measure. Surgical technique is one factor that can influence knee motion. In this study, it was hypothesised that stripping of the posterior knee capsule could improve flexion and range of motion (ROM) following TKA. Patients who were ...
Ross Michael D - - 2011
Background and Purpose. A 63-year-old woman was referred to physical therapy with a 3 day history of constant anterior left knee pain that was atraumatic in nature. The patient was taking anticoagulation medication for chronic atrial fibrillation. Her international normalized ratio (INR) was within normal limits when assessed 3 weeks ...
Acker Stacey M - - 2011
Full flexion is critical for total knee arthroplasty (TKA) patients in the Middle East, where daily activities require a high range of motion in the lower limb. This study aimed to increase understanding of the knee kinematics of normal Muslim subjects during high-flexion activities of daily living, such as kneeling, ...
Colwell Clifford W CW - - 2011
Flexion following total knee arthroplasty in the US population generally falls between 100° and 120°. Because of these relatively low flexion arcs, total knee arthroplasty prosthetic designs emerged allowing "high flexion" (≥125°). We hypothesized that a high-flexion implant design, Scorpio Non-Restrictive Geometry cruciate-retaining knee prosthesis, would allow clinical early maximum ...
Tanavalee Aree - - 2011
We prospectively evaluated outcomes of high-flexion total knee arthroplasty in 165 patients who had advanced arthritis with a minimum 120-degree pre-operative knee flexion, with a mean follow-up of 77 months. Patients were divided into two groups according to their ability to perform full-range (heel-to-buttock) pre-operative knee flexion (group A) and ...
Yahia Abdelmoneem - - 2011
We examine the postural profile and muscular forces of the trunk and inferior members of patients with chronic low back pain. In this study, we include 60 subjects forming two groups: a first group (G1) of 30 patients with chronic low back pain and a second group (G2) of 30 ...
Ghanem Elie - - 2010
BACKGROUND: Traditionally, the results of revision total knee arthroplasty have been determined with use of surgeon-based measures such as the Knee Society rating system. Recently, outcome and quality-of-life measures have shifted toward a greater emphasis on patient-based evaluation. The aim of our study was to determine the validity and responsiveness ...
van Hemert Wouter L W - - 2011
In total knee arthroplasty, tissue-sparing techniques are considered more important, as functional gain could become more advantageous when early mobilization is commenced. The parapatellar approach is most often used, whereas the subvastus approach is a suitable alternative. Presently, it is unknown, according to true objective measurements, which of the two ...
Choi Won Chul - - 2010
A high-flexion posterior-stabilized rotating-platform mobile-bearing prosthesis was designed in an attempt to improve the range of motion after total knee arthroplasty without compromising the theoretical advantages of the posterior-stabilized rotating-platform mobile-bearing system. The aim of this study was to compare the outcomes of standard and high-flexion posterior-stabilized rotating-platform mobile-bearing total ...
Goetz Martin - - 2011
To investigate the long-term outcome of combined arthroscopic and radiation synovectomy of the knee joint in early cases of rheumatoid arthritis (RA) with regard to knee function and the need for surgical re-interventions. Between 1993 and 1997, a consecutive series of 38 RA patients with therapy-refractory synovitis of the knee ...
Deutscher Daniel - - 2010
Comparative effectiveness research across cultures requires unbiased measures that accurately detect clinical differences between patient groups. The purpose of this study was to assess the presence and impact of differential item functioning (DIF) in knee functional status (FS) items administered using computerized adaptive testing (CAT) as a possible cause for ...
Apostolopoulos A P - - 2010
Among the patients requiring total knee arthroplasty (TKA), approximately 10-15% presents with a valgus deformity (VD). Severely deformed valgus knees represent a surgical challenge. The purpose of this study is to evaluate the results of TKA in grade II and III valgus knee deformities (Ranawat classification), focusing on axis correction, ...
Köck F X - - 2011
Despite good long-term results of primary total knee arthroplasty, it is a commonly accepted aim to stave off joint replacement as long as possible, particularly in younger patients. In this situation the surgeon has to make a careful decision whether an arthroscopic procedure will be promising, a corrective osteotomy may ...
Delaunay C - - 2010
This multicenter prospective study objective is to provide midterm results and 10-year survival analysis of the original Natural Knee-I System™ as experienced by a group of surgeons performing, within various settings, primary total knee replacement (TKR) in the general population. The midterm experience with this TKR system in the hands ...
Ball Scott T - - 2011
The purpose of this randomized, single-blind clinical trial was to compare a rotating platform (RP) total knee arthroplasty to a fixed-bearing (FB) total knee arthroplasty. Ninety-five knees in 69 patients were implanted by 2 surgeons. There were no significant differences in the preoperative demographics. At a minimum of 2-year follow-up, ...
Lee Bum-Sik - - 2011
High-flexion knee prosthesis designs are generally thought to be of benefit only in patients with a satisfactory preoperative flexion angle. The aim of the study was to evaluate whether high-flexion designs were indeed worthless in osteoarthritis patients with severe preoperative flexion limitation. The postoperative maximum flexion was compared in osteoarthritis ...
Kilicarslan Kasim - - 2011
The apparent synovial hypertrophy in some cases of noninflammatory knee osteoarthritis suggests that total synovectomy may provide beneficial inflammatory and pain relief after total knee arthroplasty. The aim of the study was to compare the effect of synovectomy on the postoperative pain, bleeding and functional outcome after surgical treatment of ...
Park Se-Jin - - 2010
Among patients that underwent total knee arthroplasty from June, 1990 to January, 1999, 61 cases (44 patients) that could be followed for more than 10 years were included in this study. The patients were divided into a patellar retention group and a patellar resurfacing group, and were compared with regard ...
Lythgo Noel - - 2010
OBJECTIVE: To investigate the effect of the 3R90 and 3R92 (Otto Bock Healthcare) mechanical passive prosthetic knee devices on the physical function, gait, and dynamic balance (sudden stop and turn) of transfemoral amputees. DESIGN: Intervention study with crossover design. SETTING: University research center. PARTICIPANTS: Men (N=5; mean age ± SD, ...
Vaquero J - - 2010
Isolated patellofemoral osteoarthritis can be a disabling disease. When conservative treatment fails, surgical options can be unpredictable and may be considered too aggressive for middle-aged and active people. We analysed the clinical and radiological results of a new coronal osteotomy involving thinning of the patella in a selected group of ...
Park Justin J - - 2010
Recurrent hemarthrosis following a revision total knee arthroplasty is a rare complication. The likelihood of encountering bleeding complications in patients with hemophilia C following major surgery is unpredictable. Although the use of postoperative chemotherapeutic agents to prevent deep venous thrombosis (DVT) is considered the standard of care for most patients, ...
Li Xi-gong - - 2010
A prospective randomized study was performed to compare the clinical and radiological results of primary total knee arthroplasties (TKAs) using a mini-midvastus approach or a mini-medial parapatellar approach in 134 patients. The mini-midvastus approach was used on 68 patients (group A) and the mini-medial parapatellar approach on 66 patients (group ...
Tecklenburg K - - 2010
We evaluated the outcome in a series of patients with recurrent patellar dislocation who had either medial transfer of the tibial tuberosity and lateral release or an isolated lateral release as the primary treatment. The decision to use one or other procedure was based on a pre-operative distance between the ...
Yang Jae-Hyuk - - 2010
This report compares the radiologic and early clinical results of total knee arthroplasty (TKA) performed by the same surgeon using 3 techniques. In this prospective study, 75 knees were randomized to conventional technique (25 knees), image-free navigation system (25 knees), or minimally invasive surgery (MIS) (25 knees). Age range of ...
Thein Rafael - - 2010
The short-term recovery period post-arthroscopic meniscectomy is characterized by pain and impaired function most likely related to the irrigation of synovial fluid from the knee intraoperatively. Consequently, along with removal of harmful debris, the irrigation fluid dilutes the hyaluronic acid layer covering the joint tissues. Hyaluronic acid contributes to the ...
Løken Sverre - - 2010
The natural history of focal cartilage injury is largely unknown. In this study we investigated 6-year outcomes in patients with arthroscopically verified, focal, full-thickness cartilage injuries of the knee. In a previous report (baseline study) of 993 knee arthroscopies, 98 patients were less than 50 years old at baseline and ...
Villanueva Manuel - - 2010
Dislocation following total knee arthroplasty (TKA) is the worst form of instability. The incidence is from 0.15 to 0.5%. We report six cases of TKA dislocation and analyze the patterns of dislocation and the factors related to each of them. Six patients with dislocation of knee following TKA are reported. ...
Passariello F - - 2011
A 58 year old female patient underwent an intervention of phlebectomy below the knee. The patient gradually developed a severe neurological event and the Glasgow Coma Score decreased dramatically. After two and a half hours from onset, general conditions gradually improved and recovered completely. Lidocaine neurotoxicity was excluded. A right ...
Ottaviani Sébastien - - 2011
Pigmented villonodular synovitis (PVNS) is a rare but disabling disease. The objective was to describe the clinical presentation and outcomes of PVNS according to its localization. Retrospective, systematic study of all cases of biopsy-proven PVNS followed in 1 tertiary-care center specialized in isotopic synoviorthesis. Cases were selected by keyword. Collected ...
Fabi David W - - 2011
Because surgeons are electing to perform simultaneous bilateral total knee arthroplasty (TKA), it is important to identify which patients are at increased risk. We performed a retrospective cohort analysis of 150 patients with unilateral TKA vs 150 patients with simultaneous bilateral TKA. The bilateral group demonstrated a 2.1 times greater ...
Sah Alexander P - - 2011
Hybrid revision knee component fixation, in which cement is placed in the metaphysis combined with a cementless diaphyseal engaging stem, provides ease of insertion, possibly improved component alignment, and easier removal if required, compared with fully cemented prostheses. The literature suggests the technique has a 2 to 5 year survivorship ...
Okamoto Nobukazu - - 2011
Many younger and highly active patients desire to achieve high flexion after total knee arthroplasty. This study's purpose was to determine if a contemporary total knee arthroplasty design improved functional knee flexion compared with a traditional total knee arthroplasty in patients living a Western lifestyle. Ten patients with bilateral total ...
Brattwall M - - 2010
Knee arthroscopy is one of most commonly performed day-case orthopaedic procedures, thus consuming huge medical resources. The aim of the present questionnaire survey was to study knee arthroscopy routines and practice. An electronic web-based survey including questions around pre-, per- and postoperative routines for elective knee arthroscopy was send to ...
Mizner Ryan L - - 2011
The purpose was to explore the responsiveness of both patient-report and performance-based outcome measures to determine functional changes during the acute and long-term postoperative recovery after total knee arthroplasty (TKA). One hundred patients scheduled for unilateral TKA underwent testing preoperatively and at 1 and 12 months postoperatively using the Delaware ...
- - 2010
Graduated compression stockings are widely used for deep venous thrombosis (DVT) prophylaxis. Although below-knee stockings are used more often than thigh-length stockings, no reliable evidence indicates that they are as effective as thigh-length stockings. To compare the effectiveness of thigh-length stockings with that of below-knee stockings for preventing proximal DVT ...
Lehnen K - - 2011
Computer-assisted surgery (CAS) for total knee arthroplasty (TKA) has become increasingly common over the last decade. There are several reports including meta-analyses that show improved alignment, but the clinical results do not differ. Most of these studies have used a bone referencing technique to size and position the prosthesis. The ...
Rosenberger Patricia H - - 2010
Many factors affect recovery from arthroscopic partial meniscectomy, including patient sex. However, sex differences in time to maximal recovery of knee function and factors influencing differential rates of recovery are unknown. We determined (1) preoperative sex differences, (2) sex differences in rate and extent of recovery through 1 year postoperatively, ...
Kim Jin Goo - - 2011
We performed a single-center, randomized, double-blind study to compare muscle strength in patients who had undergone primary total knee arthroplasty (TKA), performed using either a minimally invasive or a conventional surgical technique. We evaluated 30 knees in healthy age-matched subjects, 22 knees after conventional TKA (conventional group), and 23 knees ...
Zarrouk A - - 2010
Distal femoral varus osteotomy (FVO) can be indicated for young active patients who have lateral unicompartmental osteoarthritis in a valgus knee originating in the femur. However, its indication remains controversial when associated patellofemoral osteoarthrosis is present. Associated patellofemoral osteoarthrosis influences the results of osteotomy in cases of lateral tibiofemoral osteoarthrosis. ...
Hui Catherine - - 2011
The management of degenerative arthritis of the knee in the younger, active patient presents a challenge to the orthopaedic surgeon. Surgical treatment options include high tibial osteotomy (HTO), unicompartmental knee arthroplasty, and total knee arthroplasty. To examine the long-term survival of closing wedge HTO in a large series of patients ...
Niemeyer Philipp - - 2010
Autologous chondrocyte implantation (ACI) is an accepted surgical treatment in patients with isolated cartilage defects of the knee. Age has been considered as a limiting factor and the technique has not been recommended in patients older than 40 to 50 years. Nevertheless, some more recent studies report satisfying clinical results ...
Wang Ching-Jen - - 2011
This study investigated the effects of extracorporeal shockwave technology (ESWT) in osteoarthritis of the knee in rats. Thirty-six Sprague-Dawley rats were randomly divided into three groups with 12 rats in each group. Group I was the control group and received neither anterior cruciate ligament transection (ACLT) nor ESWT. In groups ...
Ha Jeong Ku - - 2010
Meniscus allograft transplantation (MAT) is useful for meniscus-deficient knees. Although meniscal extrusion is common after MAT, there is no consensus regarding the criteria for normal meniscal extrusion or the relationship between clinical and radiologic results. Meniscal extrusion after MAT results in poor clinical, radiologic, and arthroscopic outcomes. Case series; Level ...
Reddy Krishna I A - - 2011
The American Knee Society Score (AKSS) and the Oxford Knee Score (OKS) are commonly used outcome assessment tools following total knee arthroplasty. The literature is sparse with regard to direct correlation between the AKSS and the OKS. The present study aimed to elucidate any direct correlation between these two scoring ...
Spahn Gunter - - 2010
This randomized study was undertaken to compare the effectiveness of simple mechanical debridement and 50 degrees C controlled bipolar chondroplasty. A total of 60 patients who had a grade III articular cartilage defect of the medial femoral condyle were included. After randomization, 30 patients underwent simple debridement of articular cartilage ...
Crow Bradley D - - 2010
Interest in high-flexion total knee arthroplasty (TKA) prostheses designed to provide better postoperative range of motion (ROM) is widespread. We sought to determine whether changes in surface geometry of the tibial polyethylene insert could improve postoperative ROM in a consecutive series of patients undergoing TKA with retention of the posterior ...
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