Abstract:
:Compression screws, Ender rods, and Zickel nails were evaluated mechanically to determine their resulting stability in the fixation of experimental subtrochanteric femur osteotomies. Twenty-five pairs of human cadaver femurs were used. Experimental osteotomies were created and a random member of each pair was fixed with a compression screw (AMBI system, Richards Mfg. Co). The other member was fixed with either Ender rods or a Zickel nail. The specimens were oriented in a direction to approximate the in vivo position of maximum resultant force on the femur and then subjected to a single progressive load to failure on a materials testing machine. The ultimate strength of fixation with the compression screw was approximately 4.6 times greater than with the Ender rods and 1.8 times greater than that with the Zickel nail. Ender rods and Zickel nails failed primarily in external rotation, whereas the compression screw failed by bone fracturing and varus bending.
journal_name
J Orthop Traumajournal_title
Journal of orthopaedic traumaauthors
Wainer RA,Wright PH,Gilbert JA,Taylor DFdoi
10.1097/00005131-199003000-00010subject
Has Abstractpub_date
1990-01-01 00:00:00pages
58-63issue
1eissn
0890-5339issn
1531-2291journal_volume
4pub_type
杂志文章abstract:BACKGROUND:Calcaneal fractures comprise 1 to 2 percent of all fractures. Approximately 75% of calcaneal fractures are intra-articular. The management of intra-articular calcaneal fractures remains controversial. Nonoperative treatment options include elevation, ice, early mobilization, and cyclic compression of the pla...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章,评审
doi:
更新日期:2005-05-01 00:00:00
abstract::The best results following fractures of the distal humerus are provided by anatomic reduction and rigid internal fixation. Plates of two designs placed in five different fixation configurations were used to determine the construct that would maximize rigidity of fixation of the distal humerus. Using a cadaver distal h...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:
更新日期:1994-12-01 00:00:00
abstract::Salvage of limb length following oblique proximal foot amputations is presented. The technique, results, and follow-up of this procedure are described and compared with other standard procedures. A prospective study was done on 3 adolescents who presented consecutively during years 1999 and 2000. The salvage procedure...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/01.bot.0000164168.94365.49
更新日期:2005-04-01 00:00:00
abstract:OBJECTIVES:Hand dominance has been reported to be an important factor affecting outcomes after upper extremity trauma but remains unstudied after hemiarthroplasty for fracture. This study determined whether dominance affected outcomes after hemiarthroplasty for proximal humerus fractures. DESIGN:Retrospective cohort s...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0000000000000294
更新日期:2015-08-01 00:00:00
abstract::We conducted a prospective, randomized study on 84 consecutive patients with 88 acute, traumatic femoral shaft fractures using 32 Grosse-Kempf nails, 29 Russell-Taylor nails, and 27 Synthes nails. Although total operative times and proximal and distal locking times were similar for the three groups, the procedure was ...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章,随机对照试验
doi:10.1097/BOT.0000000000000185
更新日期:2014-08-01 00:00:00
abstract:OBJECTIVE:Comparison between a Less Invasive Stabilization System (LISS) using monocortical screws with angular stability and two conventional plate systems Condylar Buttress Plate (CBP) and Dynamic Condylar Screw (DCS) for the treatment of distal femoral fractures with respect to biomechanical properties. DESIGN:Biom...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-200109000-00004
更新日期:2001-09-01 00:00:00
abstract::The ability of calcium phosphate cement (CPC) to reinforce cancellous screws placed in previously stripped holes was studied in vitro. The distal end of canine femurs were harvested. A total of 15 screws were placed in six femurs. The pullout strength (failure force), failure displacement, stiffness, and energy absorb...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-199601000-00003
更新日期:1996-01-01 00:00:00
abstract:OBJECTIVES:To introduce a modified operative technique for minimally invasive plate osteosynthesis (MIPO) for acute displaced humeral shaft fractures and to evaluate the clinical and radiological outcomes. DESIGN:: Prospective clinical series study. SETTING:University hospital. PATIENTS:Twenty-one patients with acut...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0b013e318254895f
更新日期:2012-10-01 00:00:00
abstract:OBJECTIVES:This study was designed to evaluate the frequency of intraoperative problems and complications involved with Less Invasive Stabilization System (LISS) plate removal. DESIGN:Retrospective study. SETTING:Single academic level I trauma center. METHODS:Medical records were reviewed for demographics, surgical ...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0b013e3181c29bf5
更新日期:2010-06-01 00:00:00
abstract:OBJECTIVES:To describe the technique and to determine the outcome of operatively treated displaced scapular body or glenoid neck fractures using minifragment fixation through a modified Judet approach. DESIGN:Retrospective review of scapular or glenoid fractures. SETTING:Level 1 teaching trauma center. PATIENTS:All ...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0b013e3181a18216
更新日期:2009-09-01 00:00:00
abstract:OBJECTIVES:Improved patient outcomes after plating of displaced clavicle fractures have been demonstrated by recent clinical studies. Many of these patients, however, complain of anterior chest wall numbness after this procedure; we hypothesize that numbness likely persists long term for many patients, but without effe...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0000000000000095
更新日期:2014-11-01 00:00:00
abstract:OBJECTIVE:To compare the strength of fixation obtained using two unicortical 4.0 mm diameter cancellous screws versus two bicortical 3.5 mm diameter cortical screws in the fixation of intra-articular calcaneus fractures. DESIGN:In eight paired fresh frozen cadaver feet, the subtalar joint complex, consisting of the ta...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-199701000-00008
更新日期:1997-01-01 00:00:00
abstract:OBJECTIVE:To determine the effect of retrograde femoral reaming on the blood flow of the distal femur and the cruciate ligaments. DESIGN:Canine experimental study. SETTING:Tertiary referral and teaching hospital in Toronto, Canada. PARTICIPANTS:Thirteen skeletally mature, cross-bred dogs. MAIN OUTCOME MEASURE:Red c...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-199805000-00007
更新日期:1998-05-01 00:00:00
abstract:OBJECTIVES:To explore the effect of intramedullary pin size on the biology of a healing fracture, specifically endochondral angiogenesis. We hypothesized that fracture fixation with a smaller pin would permit greater interfragmentary strain resulting in increased total amount of vascular endothelial growth factor withi...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0000000000001555
更新日期:2019-10-01 00:00:00
abstract:OBJECTIVE:To report our experience with computed tomography (CT) scans to detect traumatic arthrotomies of the knee (TAK) joint based on the presence of intra-articular air. DESIGN:Retrospective review. SETTING:Level I trauma center. PATIENTS:Sixty-two consecutive patients (63 knees) underwent a CT scan of the knee ...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0b013e31828219bc
更新日期:2013-09-01 00:00:00
abstract:OBJECTIVES:The diagnosis and treatment of syndesmotic ankle fractures is controversial. This systematic review was performed to clarify the current understanding addressing several clinical questions that arise in the treatment of such injuries. DATA SOURCES:The English language literature was searched using PubMed, E...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章,评审
doi:10.1097/BOT.0000000000000937
更新日期:2018-01-01 00:00:00
abstract:OBJECTIVES:The pathomorphology of posttraumatic acetabular dysplasia differs fundamentally from the classic developmental dysplasia of the adolescent. The aim of this report is to qualify and quantify the pathomorphologic characteristics of the posttraumatic acetabular dysplasia and to define the requirements for adequ...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-200009000-00004
更新日期:2000-09-01 00:00:00
abstract::A case history of a trauma patient who developed a palsy of the marginal mandibular nerve from compression by a cervical spine hard collar is presented. After clinical and radiographic screening found no evidence of occult cervical spine pathology, the collar was removed; the palsy resolved uneventfully during the nex...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-199504000-00015
更新日期:1995-04-01 00:00:00
abstract:OBJECTIVE:To determine whether stimulation with low-intensity ultrasound will reduce the radiologic healing time of fresh tibial shaft fractures fixed with a reamed and statically locked intramedullary rod. DESIGN:Prospective, randomized, double blinded, and placebo controlled. PATIENTS AND METHODS:Thirty-two adult p...
journal_title:Journal of orthopaedic trauma
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00005131-199905000-00005
更新日期:1999-05-01 00:00:00
abstract:OBJECTIVES:To investigate the clinical utility of additional axillary or Velpeau views in evaluating potential shoulder trauma after a standard radiograph series of anteroposterior, Grashey, and/or trans-scapular views. DESIGN:Retrospective study. SETTING:Level I academic medical center. PATIENTS:All patients in a 1...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0000000000001760
更新日期:2020-08-01 00:00:00
abstract::Radial head fractures are common injuries comprising 1/3 of the fractures about the elbow. As a secondary valgus stabilizer of the elbow, radial head fractures can compromise elbow stability leading to long-term pain, dysfunction, and degenerative change. Furthermore, radial head fractures can be accompanied by associ...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章,评审
doi:10.1097/BOT.0000000000001641
更新日期:2019-12-01 00:00:00
abstract:PURPOSE:Comminuted iliac fractures are uncommon and difficult to treat. The purpose of this study is to further delineate the fractures, to present a management protocol, and to evaluate the results of treatment. DESIGN:Retrospective clinical study. SETTING:Level one trauma center at Harborview Medical Center. PATIE...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-200005000-00008
更新日期:2000-05-01 00:00:00
abstract:OBJECTIVES:To identify factors affecting the outcomes of surgery for acetabular fracture in patients over the age of 60 years. DESIGN:Retrospective review of records and radiographs; current examination, radiographs and outcome surveys when possible. SETTING:Academic, Level 1 trauma center. PATIENTS/PARTICIPANTS:For...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-200310000-00005
更新日期:2003-10-01 00:00:00
abstract:OBJECTIVE:Presentation of a new triangular osteosynthesis technique that permits early weight-bearing in vertically unstable sacral fractures. DESIGN:Retrospective evaluation of a consecutive series. SETTING:Level I trauma center. PATIENTS:Thirty-four patients, twenty-eight of whom were polytraumatized, all with ver...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-199806000-00002
更新日期:1998-06-01 00:00:00
abstract:OBJECTIVES:To compare postoperative pain control in patients treated surgically for ankle fractures who receive popliteal blocks with those who received general anesthesia alone. DESIGN:Institutional Review Board approved prospective randomized study. SETTING:Metropolitan tertiary-care referral center. PATIENTS:All ...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章,随机对照试验
doi:10.1097/BOT.0b013e3182638b25
更新日期:2012-10-01 00:00:00
abstract:OBJECTIVE:To observe and report the clinical results of indirect reduction and plating in the treatment of distal femoral nonunions. DESIGN:Prospective consecutive study. SETTING:Regional trauma center. PATIENTS:A consecutive series of twenty patients with nonunion of the distal femur, nineteen of whom had undergone...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-200205000-00001
更新日期:2002-05-01 00:00:00
abstract::Ipsilateral elbow and forearm fractures are quite rare in children. We present a Monteggia lesion with ipsilateral supracondylar humerus fracture in a 13-year-old girl. Through early surgical management, a successful result was achieved. We believe that, to minimize any initial or subsequent complications in such frac...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-199901000-00015
更新日期:1999-01-01 00:00:00
abstract:OBJECTIVES:To evaluate the relationship between mechanism of injury and mortality in geriatric trauma patients and the ability of existing injury severity indices (ISIs) to assess mortality. DESIGN:Retrospective review. SETTING:Urban level 1 trauma center. PARTICIPANTS:Four thousand five hundred forty-five trauma pa...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0000000000000281
更新日期:2015-07-01 00:00:00
abstract::Femoral neck nonunions are a difficult complication in the treatment of femoral neck fractures and have traditionally been managed using an intertrochanteric valgus osteotomy and blade plate. We propose an alternative method, a proximal femoral valgus osteotomy using a sliding hip screw instead of a blade plate. This ...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章,评审
doi:10.1097/00005131-200608000-00006
更新日期:2006-07-01 00:00:00
abstract::Bone healing after fracture occurs in a well-organized manner and involves a multitude of cell types, inflammatory cytokines, growth factors, prostaglandins, and certain vitamins. Some of the means by which alterations in these essential components affect bone repair are understood, whereas others still need to be del...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章,评审
doi:10.1097/BOT.0b013e318274da8b
更新日期:2012-12-01 00:00:00