Abstract:
:Proper femoral and tibial component rotational positioning in TKA is critical for outcomes. Several rotational landmarks are frequently used with different advantages and limitations. We wondered whether coronal axes in the tibia and femur based on the transepicondylar axis in the femur would correlate with anteroposterior deformity. We obtained computed tomography scans of 100 patients with arthritis before they underwent TKA. We measured the posterior condylar angle on the femoral side and the angle between Akagi's line and perpendicular to the projection of the femoral transepicondylar axis on the tibial side. On the femoral side, we found a linear relationship between the posterior condylar angle and coronal deformity with valgus knees having a larger angle than varus knees, ie, gradual external rotation increased with increased coronal deformity from varus to valgus. On the tibial side, the angle between Akagi's line and the perpendicular line to the femoral transepicondylar axis was on average approximately 0 degrees , but we observed substantial interindividual variability without any relationship to gender or deformity. A preoperative computed tomography scan was a useful, simple, and relatively inexpensive tool to identify relevant anatomy and to adjust rotational positioning. We do not, however, recommend routine use because on the femoral side, we found a relationship between rotational landmarks and coronal deformity.
journal_name
Clin Orthop Relat Resjournal_title
Clinical orthopaedics and related researchauthors
Aglietti P,Sensi L,Cuomo P,Ciardullo Adoi
10.1007/s11999-008-0452-8subject
Has Abstractpub_date
2008-11-01 00:00:00pages
2751-5issue
11eissn
0009-921Xissn
1528-1132journal_volume
466pub_type
杂志文章abstract::The use of microvascular flaps has become routine in treating compound tibial fractures with extensive soft-tissue loss. Vascularized bone grafts, or shortening of the leg and later elongation with the Ilizarov technique, have been advocated if the injury involves major bone loss. The authors treated four of these mas...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1993-12-01 00:00:00
abstract::Sarcomas of the pelvic girdle may produce signs and symptoms indistinguishable from those of herniated lumbar disks. Five patients are described in which the diagnosis was more difficult than in patients with intraspinal or vertebral neoplasms because they demonstrated isolated nerve root abnormalities, a positive his...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1979-01-01 00:00:00
abstract::Musculoskeletal injuries are a major public health problem globally, contributing a large burden of disability and suffering. This burden could be considerably lowered by implementation of affordable and sustainable strategies to strengthen orthopaedic trauma care, especially in low- and middle-income countries. This ...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章,评审
doi:10.1007/s11999-008-0416-z
更新日期:2008-10-01 00:00:00
abstract:BACKGROUND:Approximately one-third of reduced pediatric distal radius fractures redisplace, resulting in further treatment. Two major modifiable risk factors for loss of reduction are reduction adequacy and cast quality. Closed reduction and immobilization of distal radius fractures is an Accreditation Council for Grad...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:10.1007/s11999-017-5336-3
更新日期:2017-09-01 00:00:00
abstract:BACKGROUND:Despite the overall effectiveness of total hip arthroplasty (THA), a subset of patients remain dissatisfied with their results because of persistent pain or functional limitations. It is therefore important to develop predictive tools capable of identifying patients at risk for poor outcomes before surgery. ...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:10.1007/s11999-015-4350-6
更新日期:2016-02-01 00:00:00
abstract:BACKGROUND:A femoral implant with a modular sleeve and stem has been designed to allow independent and complete metaphyseal-diaphyseal fit and fill as well as independent rotation to accommodate anteversion at the time of THA. QUESTIONS/PURPOSES:In a prospective study we asked whether such a modular femoral sleeve and...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:10.1007/s11999-010-1524-0
更新日期:2011-02-01 00:00:00
abstract::Severe involvement of the wrist in rheumatoid arthritis poses great functional restrictions in eating, maintaining personal hygiene, and in performing general daily activities. Twenty-six Swanson radiocarpal implant arthroplasties were performed in 23 patients. Patients' average age was 57 years, with a preoperative d...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1982-06-01 00:00:00
abstract::To evaluate the effects of methotrexate (MTX) on the biology of a vascularized bone graft (VBG), a study of adult dogs was performed. Different protocols of treatment using MTX, with or without the administration of citrovorum rescue factor (CRF), were studied. A controlled experiment involving 18 dogs was performed t...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1994-04-01 00:00:00
abstract::Protrusio acetabuli is common is rheumatoid arthritis. Progression of this deformity can be measured by serial roentgenograms. The inward progression of the femoral head is the result of upward migration of the acetabular roof and collapse of the femoral head which appears to occur in a ratio of approximately two to o...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:10.1097/00003086-197505000-00012
更新日期:1975-05-01 00:00:00
abstract:BACKGROUND:Subchondral insufficiency fracture of the femoral head occurs mainly in elderly patients with osteoporosis. Spontaneous resolution is observed after nonoperative treatment in some patients whereas other show progressive joint destruction requiring THA. Several studies report the occurrence of subchondral ins...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:10.1007/s11999-009-1213-z
更新日期:2010-05-01 00:00:00
abstract:BACKGROUND:Sarcoma care is highly litigated in medical malpractice claims. Understanding the reasons for litigation and legal outcomes in sarcoma care may help physicians deliver more effective and satisfying care to patients while limiting their legal exposure. However, few studies have described malpractice litigatio...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:10.1097/CORR.0000000000001340
更新日期:2020-10-01 00:00:00
abstract::The ability to forecast the course and outcome of severe mechanical trauma would aid clinicians in making decisions concerning the treatment of patients. Multifactorial regression models, developed from data obtained from 933 patients with polytrauma and shock, have a high predictive value. A two-part data sheet was d...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1991-05-01 00:00:00
abstract::To determine the vascular architecture of nontraumatic avascular necrosis of the femoral head (ANFH), 38 femoral heads procured from 31 ANFH patients were studied by microangiographic and histologic methods. Microangiography showed that the head was consistently stratified into three zones: the normal vascular, the re...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1992-04-01 00:00:00
abstract::Axillary nerve injury remains the most common peripheral nerve injury to affect the shoulder. It most often is seen after glenohumeral joint dislocation, proximal humerus fracture, or a direct blow to the deltoid muscle. Compression neuropathy has been reported to occur in the quadrilateral space syndrome, although th...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章,评审
doi:
更新日期:1999-11-01 00:00:00
abstract::From July 1984 through October 1987, 63 consecutive primary Porous Coated Anatomic total hip arthroplasties were performed. Follow-up observation ranged from one to four years, with a mean of 2.4 years. The mean postoperative Harris hip score in 81 cases was 38% excellent results, 23% good results, 6% fair results, an...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1992-05-01 00:00:00
abstract::Previous studies from this laboratory have established the presence of estrogen receptors in the human anterior cruciate ligament. The purpose of this study was to investigate the effects of 17 beta-estradiol on cell proliferation and procollagen levels, as an indicator of collagen synthesis, in the human anterior cru...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:10.1097/00003086-199909000-00030
更新日期:1999-09-01 00:00:00
abstract:BACKGROUND:Synovial fluid biomarkers have demonstrated diagnostic accuracy surpassing the currently used diagnostic tests for periprosthetic joint infection (PJI). QUESTIONS/PURPOSES:The purpose of this study is to directly compare the sensitivity and specificity of the synovial fluid α-defensin immunoassay to the leu...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:10.1007/s11999-014-3722-7
更新日期:2015-01-01 00:00:00
abstract::Heat shock proteins (HSPs) are often upregulated following oxidative and other forms of stress. Based on reports of excessive apoptosis in torn supraspinatus tendon and mechanically loaded tendon cells, we hypothesized heat shock proteins may be present in rodent and human models of tendinopathy due to their central r...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:10.1007/s11999-008-0265-9
更新日期:2008-07-01 00:00:00
abstract::Maduromycosis is a rare fungal infection in the northern United States, most frequently caused by Allescheria boydii, usually in debilitated or immunosuppressed patients. An 18-year-old Mexican-American, in excellent health, developed multiple draining sinuses at the sites of insertion of Ender nails for a closed tibi...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1981-01-01 00:00:00
abstract::Zenoderm (Ethicon Ltd., Edinburgh, Scotland) is porcine skin dermis specially treated so as to be weakly antigenic when implanted. Its use as an extradural spinal and nerve root membrane to reduce postoperative adhesions after laminectomy was tested in 22 rabbits with laminectomy in the second and fourth lumbar verteb...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1987-02-01 00:00:00
abstract::Eighty-three total knee arthroplasties done at a single university hospital were reviewed specifically to examine the presence of lysis. Components that were radiographically loose were excluded. The incidence of lysis varied significantly with the method of component fixation. The highest incidence of lysis (30%) was...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1995-12-01 00:00:00
abstract::The Kidner procedure has been the most frequently recommended form of surgical treatment for the painful accessory navicular. This formal relocation of the posterior tibial tendon is said to restore the dynamic balance to the foot which is lost when the posterior tibial tendon gives an abnormal insertion into the acce...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1979-10-01 00:00:00
abstract::Experience with cementless fixation over the last six years indicates that the technique offers greater opportunities for bone conservation. Thus, when cement is used, and especially if it is forced into the skeleton under pressure, the amount of bone incorporated into the implant is considerable. Conversely, if no ce...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1985-01-01 00:00:00
abstract::In three patients with cryptococcal bone infection, skeletal involvement was sometimes occult, localized (offering a clinically accessible area for the diagnosis of disseminated) or part of a disseminated disease. Cryptococcal bone infection may clinically imitate neoplastic disease. Cryptococcal antigen determination...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1981-07-01 00:00:00
abstract::The results of 65 consecutive revision total knee arthroplasties performed for mechanical failure were reviewed. Fifty-nine of the knees were followed for an average of five years (range, 2-10 years). The types of implants used included: total condylar, posterior stabilized, total condylar III, and the kinematic rotat...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1988-01-01 00:00:00
abstract::Experiments in animals have shown that estrogen is chondrodestructive. The existence of 17 beta-estradiol receptor in rabbit chondrocyte and canine cartilage suggests that estrogen is associated with the development of osteoarthrosis (OA). The increased frequency of knee OA in obese postmenopausal women, who are often...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1993-06-01 00:00:00
abstract::In vivo kinematic data indicate that unicondylar or edge loading occurs during normal activities in well-aligned and malpositioned knee replacements. Using a validated explicit finite element model of a knee replacement, the effects of eccentric loading of a total knee replacement are simulated. Only minor variations ...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:10.1097/01.blo.0000079267.91782.58
更新日期:2003-09-01 00:00:00
abstract:BACKGROUND:A porous Ti6Al4V implant that is manufactured using selective laser melting (SLM) has broad potential applications in the field of orthopaedic implants. The pore structure of the SLM porous Ti6Al4V implant allows for cell migration and osteogenic differentiation, which is favorable for bone ingrowth and osse...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:10.1097/CORR.0000000000000954
更新日期:2019-12-01 00:00:00
abstract::Highly cross-linked polyethylene (PE) has been introduced as an alternative bearing material in total hip arthroplasty (THA) because of high wear resistance in laboratory tests but the clinical experience of this material is limited. We evaluated a highly cross-linked PE (warm irradiated adiabatic melting, absorbed do...
journal_title:Clinical orthopaedics and related research
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/01.blo.0000096802.78689.45
更新日期:2003-12-01 00:00:00
abstract::Forty-six hands of 23 cadavers (15 female and 8 male) were dissected to observe the patterns of distribution of the median nerve. The findings showed that in 33 hands the median nerve had a normal distribution of its branches. Also identified was the commonly recognized transligamentous variant, where the recurrent br...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
doi:
更新日期:1998-07-01 00:00:00