Abstract：
UNLABELLED:Acetabular component orientation during total hip arthroplasty affects dislocation, range of motion, polyethylene wear, pelvic osteolysis, and component migration. New total hip arthroplasty navigation systems have been introduced to avoid the errors reported after acetabular component orientation using a manual technique. We investigated acetabular component orientation in 834 consecutive primary total hip arthroplasties performed by one surgeon using a manual technique. We examined the relationship between dislocation and a defined safe range. Vertical tilt and planar anteversion were 44.4 +/- 6.5 and 17.9 +/- 6.3 (mean +/- standard deviation), respectively. The error of vertical tilt and planar anteversion were 5.2 +/- 3.9 and 5.3 +/- 4 (mean +/- standard deviation), respectively. Two hundred thirty-three of 834 hips (27.8 %) were outside the safe range. Logistic regression analysis showed that patients with Group IV class according to the classification system of Crowe et al and right hips had a greater risk of being outside the safe range. Navigation systems should be considered, especially in patients with highly dislocated hips. We found no relationship between risk of dislocation and the safe range. Factors other than acetabular component orientation also might affect dislocation. LEVEL OF EVIDENCE:Prognostic Study, Level IV (case series).
journal_name
Clin Orthop Relat Resjournal_title
Clinical orthopaedics and related researchauthors
Minoda Y,Kadowaki T,Kim Mdoi
10.1097/01.blo.0000201165.82690.f8subject
Has Abstractpub_date
2006-04-01 00:00:00pages
186-91eissn
0009-921Xissn
1528-1132journal_volume
445pub_type
杂志文章abstract：BACKGROUND:Readmissions after total joint arthroplasty have become a key quality measure in elective surgery in the United States. The Affordable Care Act includes the Hospital Readmission Reduction Program, which calls for reduced payments to hospitals with excessive readmissions. This policy uses a method to determin...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1007/s11999-016-5156-x
更新日期：2017-05-01 00:00:00
abstract：:The practice of medicine in rural Arizona has changed remarkably in 25 years. Although the delivery of care to the people of the San Carlos Apache Tribe has many challenges including geographic isolation and cultural differences, there are many rewards, such as knowing that some people would not receive care if the or...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1097/00003086-200203000-00016
更新日期：2002-03-01 00:00:00
abstract：:Infected arthroplasties reportedly have a lower eradication rate when caused by highly resistant and/or polymicrobial isolates and in these patients most authors recommend intravenous antibiotics. We asked whether two-stage revision with interim oral antibiotics could eradicate these infections. We prospectively follo...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1007/s11999-009-0808-8
更新日期：2009-09-01 00:00:00
abstract：:There is no standardized method reported in the literature to measure ROM of the ankle after a total ankle arthroplasty, which limits the possibility to compare results from the various ankle designs. It seems that most of the measurements are a combination of ankle and midfoot motion, not the tibiotalar joint. A prot...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1097/01.blo.0000132180.69464.84
更新日期：2004-07-01 00:00:00
abstract：:The etiology of spondylolisthesis is multiple according to the type of the vertebral slipping. In fact all the following basic pathological processes may be involved: congenital malformation of the upper sacrum in the dysplastic spondylolisthesis; growth dysplasia of the vertebral arch in the "isthmic spondylolisthesi...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：
更新日期：1976-06-01 00:00:00
abstract：:Clinicians have been concerned that fractures do not heal properly in individuals exposed to bisphosphonate treatment, a treatment that strongly affects bone metabolism. The current study attempted to clarify the long-term effects of clodronate (dichloromethylene bisphosphonate) treatment on fracture healing in growin...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1097/00003086-200303000-00036
更新日期：2003-03-01 00:00:00
abstract：:To determine histomorphometric and bone strength distribution of the proximal humerus, analyses were done on 24 freshly harvested human cadaveric humeri. Median ages of 46 and 69 years were recorded respectively for the male group (n = 11; minimum, 34 years; maximum, 76 years) and the female group (n = 13; minimum, 46...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1097/01.blo.0000092968.12414.a8
更新日期：2003-10-01 00:00:00
abstract：:A review of 118 Maquet valgus high tibial osteotomies, secured with Charnley's external compression fixator, included 110 cases of primary osteoarthritis, six cases of osteonecrosis, and two cases of traumatic arthritis. Preoperatively, the mechanical axis of alignment showed varus deformity with an average of 9.6 deg...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：
更新日期：1989-06-01 00:00:00
abstract：:Measurements of uptake in vivo of 3H-proline into 3H-hydroxyproline demonstrate that cartilage surfaces in rabbit knees with surgically induced osteoarthrosis (up to 3 months after operation) incorporated 2 to 5 times more activity into collagen than cartilage of control knees. The high uptake indicates that collagen ...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：
更新日期：1980-03-01 00:00:00
abstract：BACKGROUND:Periprosthetic joint infection (PJI) following total joint arthroplasty is a serious complication that causes severe morbidity and adds a major financial burden to the healthcare system. Although there is plenty of research on the alpha-defensin (AD) test, a meta-analysis consisting of only prospective studi...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1097/CORR.0000000000001225
更新日期：2020-06-01 00:00:00
abstract：:A committee was appointed by the American Academy of Orthopaedic Surgeons in 1981 to continue the orthopaedic workforce studies begun by D. Kay Clawson a decade earlier. The committee found that the rapid increase in orthopaedists graduating from residency programs between 1970 and 1982 had resulted in a workforce in ...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1097/00003086-200104000-00013
更新日期：2001-04-01 00:00:00
abstract：:Hemophilic pseudotumor is a rare, but well-known, complication of hemophilia. We describe a 50-year-old man with mild hemophilia A, but with no previous need for Factor VIII supplementation, who presented with a pathologic fracture of the right femoral neck and shaft caused by a large hemophilic pseudotumor. Initial n...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1097/01.blo.0000137545.37824.b0
更新日期：2005-01-01 00:00:00
abstract：:The purpose of this study was to compare the success rate of bony fusion and the clinical results of rigid instrumentation, nonrigid instrumentation, and no instrumentation for a single level lesion for degenerative lumbar spondylolisthesis. Thirty-three patients with degenerative spondylolisthesis of L4 who had under...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：
更新日期：1999-11-01 00:00:00
abstract：:A three-part fracture of the acetabulum occurred in a 74-year-old woman seven years after a McKee-Farrar total hip arthroplasty (THA). The hip was successfully reconstructed using an allogenic femoral head for a bone graft and titanium mesh for reinforcement. Thirty-six months after the operation, the revised THA was ...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：
更新日期：1981-03-01 00:00:00
abstract：BACKGROUND:Septic arthritis is frequently associated with adjacent infections including osteomyelitis and subperiosteal and intramuscular abscesses. While often clinically indiscernible from isolated septic arthritis, the diagnosis of adjacent infections is important in determining the need for additional surgical inte...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1007/s11999.0000000000000019
更新日期：2018-01-01 00:00:00
abstract：:One hundred eighty-three total hip arthroplasties were revised for deep infection in a 1-stage procedure using antibiotic containing acrylic cement and systemic perioperative antibiotics. At an average followup of 7 years 9 months, 154 (84.2%) patients were free of infection. The remaining 29 (15.8%) patients had evid...
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：:A new method of geometrical analysis is capable of determining bone deformity from routine anteroposterior (AP) and lateral roentgenograms. The maximum angulation may occur in a plane other than the AP or lateral roentgenogram planes. Therefore, the maximum angulation may exceed the apparent angulation seen on routine...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：
更新日期：1987-05-01 00:00:00
abstract：BACKGROUND:Patients have high reinjury rates after ACL reconstruction. Small knee flexion angles and large peak posterior ground reaction forces in landing tasks increase ACL loading. QUESTIONS/PURPOSES:We determined the effects of a knee extension constraint brace on knee flexion angle, peak posterior ground reaction...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1007/s11999-010-1633-9
更新日期：2011-06-01 00:00:00
abstract：:A series of 260 noncemented total hip arthroplasties with a titanium alloy stem and fixation by the Zweymüller press-fit and an Endler polyethylene threaded cup was reviewed in detail. The minimum follow-up period was 48 months and the maximum 72 months, with an average of 60 months. A scale from zero to five points w...
journal_title：Clinical orthopaedics and related research
pub_type： 临床试验,杂志文章,多中心研究
doi：
更新日期：1992-10-01 00:00:00
abstract：:Twenty-three patients with idiopathic scoliosis were tested for upper extremity proprioceptive function. All subjects had documented progression of deformity, with an average curvature of 34 degrees. The average ages for scoliotics and 18 control subjects were 16.1 and 20.8 years, respectively. Controls had no spinal ...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：
更新日期：1986-12-01 00:00:00
abstract：:The spherocentric knee, designed to allow triaxial rotation and provide intrinsic stability, includes desirable design features of metal on high density polyethelene bearing surfaces, metal support for all plastic components, metal-cement-bone interfacing for all fixation surfaces, sufficient strength to eliminate fat...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：
更新日期：1979-11-01 00:00:00
abstract：UNLABELLED:This study was performed to determine whether patients who sustain an intertrochanteric fracture have better outcomes when stabilized using a sliding hip screw or an intramedullary nail. A 20% sample of Part A and B entitled Medicare beneficiaries 65 years or older was used to generate a cohort of patients w...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章,多中心研究
doi：10.1007/s11999-008-0285-5
更新日期：2008-11-01 00:00:00
abstract：:Nutrient diffusion across the vertebral endplate can occur by convection (bulk flow) or diffusion. Previous studies, using animal models, suggested diffusion as the primary mechanism of small-solute transport but did not adequately determine the contribution of bulk flow to total nutrient transport. This study was des...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：
更新日期：1986-09-01 00:00:00
abstract：UNLABELLED:Current methods of treating congenital clubfeet provide high rates of functional outcomes. Despite the clinical outcomes, radiographic assessment suggests residual equinus deformity of the hindfoot. It is unclear whether these deformities result in abnormal foot-floor pressures and whether they correlate wit...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1007/s11999-009-0746-5
更新日期：2009-05-01 00:00:00
abstract：BACKGROUND:Although several types of culture medium have been used for preservation of osteochondral allografts, the viability of chondrocytes decreases with increasing storage duration. We previously showed the University of Wisconsin solution is more suitable for graft preservation than culture medium. QUESTIONS/PUR...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1007/s11999-011-2182-6
更新日期：2012-10-01 00:00:00
abstract：:Four hundred twenty-one posterior cruciate condylar total knee arthroplasties were performed between 1975 and 1983. Anatomic alignment of the knee was recorded on follow-up evaluations from two months to 13 years postoperatively. Patients were stratified into a normal group that was 5 degrees to 8 degrees anatomic val...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：
更新日期：1994-02-01 00:00:00
abstract：:Malposition of the acetabular component during hip arthroplasty increases the occurrence of impingement, reduces range of motion, and increases the risk of dislocation and long-term wear. To prevent malpositioned hip implants, an increasing number of computer-assisted orthopaedic systems have been described, but their...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：10.1097/01.blo.0000141903.08075.83
更新日期：2004-09-01 00:00:00
abstract：:Syndesmosis sprains have received increasing recognition during recent years because of a heightened awareness of the mechanism, symptoms, and signs of injury. Syndesmosis injuries take longer to recover than lateral ankle sprains, and no consensus exists regarding optimal treatment of these injuries. Therefore, we un...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章,评审
doi：10.1097/BLO.0b013e31802eb471
更新日期：2007-02-01 00:00:00
abstract：:The ultrastructural localization of calcium in the articular cartilage, meniscus, and synovium of patients with calcium pyrophosphate dihydrate (CPPD) crystal deposition disease was examined by using potassium pyroantimonate. Focal areas with deposition of CPPD crystals in each tissue showed electron-dense precipitate...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：
更新日期：1991-03-01 00:00:00
abstract：:A prospective study was completed for 139 porous-coated revision acetabular components that were implanted with rim fit fixation and had a mean of 4.3 years' followup (range, 2-9.8 years). The Anatomic Porous Replacement component was studied. Harris Hip Scores were used for clinical evaluation, and the pain and limp ...
journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
doi：
更新日期：1995-10-01 00:00:00
