Abstract:
OBJECTIVES:Comparison of the effect of stainless steel and titanium low-contact dynamic compression plate application on the vascularity and mechanical properties of cortical bone after fracture. DESIGN:Randomized, prospective. SETTING:Orthopaedic research laboratory. ANIMALS:Ten large (greater than twenty-five kilogram) adult dogs. INTERVENTION:A short, midshaft spiral tibial fracture was created, followed by lag screw fixation and neutralization with an eight-hole, 3.5-millimeter, low-contact dynamic compression plate (LCDCP) made of either 316L stainless steel (n = five) or commercially pure titanium (n = five). After surgery, animals were kept with unrestricted weight-bearing in individual stalls for ten weeks. MAIN OUTCOME MEASUREMENTS:Cortical bone blood flow was assessed by laser Doppler flowmetry using a standard metalshafted probe (Periflux Pf303, Perimed, Jarfalla, Sweden) applied through holes in the custom-made LCDCPs at five sites. Bone blood flow was determined at four times: (a) prefracture, (b) postfracture, (c) postplating, and (d) ten weeks postplating. After the dogs were killed, the implant was removed and both the treated tibia and contralateral tibia were tested for bending stiffness and load to failure. RESULTS:Fracture creation decreased cortical perfusion in both groups at the fracture site (p = 0.02). The application of neither stainless steel nor titanium LCDCPs further decreased cortical bone blood flow after fracture creation. However, at ten weeks postplating, cortical perfusion significantly increased compared with acute postplating levels in the stainless steel (p = 0.003) and titanium (p = 0.001) groups. Cortical bone blood flow ten weeks postplating was not significantly different between the titanium group and the stainless steel group. Biomechanical tests performed on the tibiae with the plates removed did not reveal any differences in bending stiffness nor load required to cause failure between the two groups. CONCLUSIONS:Both titanium and stainless steel LCDCPs were equally effective in allowing revascularization, and neither provided a significant advantage in biomechanical properties of fracture healing at ten weeks.
journal_name
J Orthop Traumajournal_title
Journal of orthopaedic traumaauthors
Jain R,Podworny N,Hearn T,Anderson GI,Schemitsch EHdoi
10.1097/00005131-199710000-00006subject
Has Abstractpub_date
1997-10-01 00:00:00pages
490-5issue
7eissn
0890-5339issn
1531-2291journal_volume
11pub_type
杂志文章abstract:OBJECTIVES:To compare open reduction and internal fixation (ORIF) and nonsurgical treatment outcomes in displaced midshaft clavicle fractures. DATA SOURCES:PubMed, MEDLINE, EMBASE, Web of Science, Cochrane Library, and ClinicalTrials.gov were searched in September 2017. STUDY SELECTION:Inclusion criteria were randomi...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章,meta分析
doi:10.1097/BOT.0000000000001174
更新日期:2018-07-01 00:00:00
abstract:OBJECTIVE:To compare the 24-month risk of mortality between arthroplasty and internal fixation for undisplaced femoral neck fractures (FNFs). DESIGN:Retrospective cohort study. SETTING:Secondary data analysis of 2 multinational randomized controlled trials. PARTICIPANTS:Patients aged 50 years or older with a FNF. I...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0000000000001940
更新日期:2020-11-01 00:00:00
abstract::The extraosseous tissue contribution to diaphyseal fracture callus has been investigated using a rabbit tibial fracture model and osteocalcin immunocytochemistry. The extraosseous tissues were isolated for study by reaming and nailing an osteotomy and excising 2 cm of periosteum on either side of the osteotomy. Specim...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-199206000-00010
更新日期:1992-01-01 00:00:00
abstract::Severe open foot and ankle injuries are still a challenge for the orthopaedic surgeon. Their treatment is even more difficult in third world countries and in war settings where high-energy trauma with severe soft tissue damage is more frequent. Lack of equipment, poor resources and hygiene, and different cultural syst...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0b013e3181d4be0f
更新日期:2011-03-01 00:00:00
abstract::Over the last several decades, interest in global health across all fields of medicine, including orthopaedic surgery, has grown markedly. Cross-national collaborations are an effective means of conducting high-quality clinical research and offer many advantages over single-center investigations. Successful collaborat...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0000000000000466
更新日期:2015-12-01 00:00:00
abstract::Severe crush injuries to the midfoot often involve comminuted cuneiform or tarsal navicular fractures. Treatment principles for the bony injury of the crushed midfoot include maintenance of the medial column length and alignment, as well as appropriate stable fixation after open or closed fracture reductions. This is ...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章,评审
doi:10.1097/00005131-200308000-00007
更新日期:2003-08-01 00:00:00
abstract::The proximal femur nail antirotation represents a new generation of intramedullary nailing devices for fixation of stable and unstable trochanteric fractures of the proximal femur. We report 3 cases of postoperative perforation of the helical blade through the femoral head into the hip joint without any signs of rotat...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0b013e3181893b1b
更新日期:2008-11-01 00:00:00
abstract::Percutaneous iliosacral screw (IS) fixation for pelvic ring injuries with the use of an O-arm imaging system has been associated with decreased procedure time and improved accuracy of IS screw placement compared with the use of fluoroscopic guidance. Specifically, patients with sacral dysmorphism require identificatio...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0000000000001213
更新日期:2018-08-01 00:00:00
abstract::After completing an orthopaedic trauma fellowship, what challenges will you have as regard to maintaining balance and perspective in your new position in society? How will you view yourself, family, and your profession? These are simple suggestions on maintaining passion for your profession. ...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章,评审
doi:10.1097/BOT.0000000000000431
更新日期:2015-11-01 00:00:00
abstract:OBJECTIVES:To assess the outcomes of the surgical management of "isolated" displaced lateral malleolar fractures, comparing the techniques of lateral plating and antiglide plating as described previously. DESIGN:This is a retrospective review, being largely a surgeon-randomized comparative study. SETTING:The study wa...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-200208000-00008
更新日期:2002-08-01 00:00:00
abstract:OBJECTIVE:To determine the biomechanical characteristics of four different fixation constructs for split depression fractures of the lateral tibial plateau (OTA classification 41B3.1). DESIGN:Laboratory investigation using a cadaveric simulated split depression tibial plateau fracture model. SETTING:Split depression ...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-200203000-00006
更新日期:2002-03-01 00:00:00
abstract:OBJECTIVE:The aim of this study was to report the clinical results of atypical femoral fractures (AFFs) treated with low-intensity pulsed ultrasound (LIPUS). MATERIALS AND METHODS:The data on AFFs that were surgically treated in our hospital from 2010 to 2016 was retrospectively analyzed. AFF was diagnosed based on th...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/01.bot.0000520889.69599.f3
更新日期:2017-07-01 00:00:00
abstract:OBJECTIVES:Open fractures with bone loss are common, disabling injuries. Biodegradable, load-bearing scaffolds able to carry high concentrations of local antibiotics are an emerging technology to address these injuries. This study investigates the use of such scaffolds with gentamicin (along with bone morphogenetic pro...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0b013e3181ed1349
更新日期:2010-09-01 00:00:00
abstract:OBJECTIVES:To compare failure rates between short and long cephalomedullary nails used for the treatment of intertrochanteric hip fractures in patients over 65 years of age. DESIGN:Retrospective cohort study. Data were collected from medical records and radiographs. SETTING:Three level 1 trauma centers. PATIENTS/PAR...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0000000000000036
更新日期:2014-07-01 00:00:00
abstract::We used a mathematical model to determine whether the approach to derotation of the malrotated femur can be improved for use in corrective osteotomy of the femur. Rotational corrective osteotomy of the femur (RCOF) is a procedure performed by orthopedic surgeons to correct congenital femoral torsion deformities and po...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-199806000-00012
更新日期:1998-06-01 00:00:00
abstract:OBJECTIVE:To examine the cost and efficacy of methods of general and regional anesthetic for postoperative pain control after open repair of intra-articular calcaneal fractures. We compared single-injection popliteal fossa blocks and continuous infusion popliteal fossa blocks with drug delivered through a catheter from...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0b013e3181bfc9f7
更新日期:2010-03-01 00:00:00
abstract::Although Kirschner wires are useful implants in many situations, migration of the wire and irritation of the surrounding soft tissues are common complications. Seven steps are described herein, which result in a Kirschner wire that is bent 180° angle, providing a smooth anchor into bone. Use of this technique produces...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0b013e318290f818
更新日期:2013-11-01 00:00:00
abstract::Difficulty in maintaining the reduction of displaced radial fractures has prompted the use of numerous techniques to address this problem. The purpose of this study was to determine if four or five 0.045-in Kirschner pins when placed percutaneously through the ulna into the radius could maintain the reduction of this ...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-198906000-00004
更新日期:1989-01-01 00:00:00
abstract::Stress fracture of the anterior tibial cortex is an extremely challenging fracture to treat, especially in the high-performance female athlete who requires rapid return to competition. Previous reports have not addressed treating these fractures in the world-class athlete with anterior plating. We hypothesize that ant...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-200607000-00011
更新日期:2006-07-01 00:00:00
abstract::We reviewed the treatment and results of 22 Bennett's fractures. Of these fractures, treated by closed reduction and plaster immobilization, 20 were available for follow-up. Eighteen patients had a subjectively satisfactory outcome, and seven had a radiographically confirmed arthrosis of the first carpometacarpal join...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-199502000-00004
更新日期:1995-02-01 00:00:00
abstract::We present a rare case of complete talar extrusion after trauma. Treatment of this severe injury remains controversial as a result of the lack of congruent evidence-based literature, associated high complication rate with primary repair, and difficulty in objectively assessing long-term outcomes. Recent small sampled ...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0b013e318210f236
更新日期:2011-11-01 00:00:00
abstract::A retrospective review of 39 fractures of the femur in 37 patients caused by low- and mid-velocity handgun missiles treated with static interlocking nailing within 18 h of injury was conducted to evaluate the efficacy, safety, and cost savings of immediate intramedullary nailing in these injuries. Patients were follow...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-199404000-00010
更新日期:1994-01-01 00:00:00
abstract::Pilon and ankle fractures and ligamentous injuries about the ankle often require external fixation to allow for soft tissue stabilization before definitive surgery. Often used external fixator constructs can cause obscuring of the site of injury on radiographs, pin tract infections, loosening of calcaenal pin fixation...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/BOT.0b013e3182604639
更新日期:2013-02-01 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::After open reduction of a burst fracture of L1, transpedicular bone grafting of the fractured vertebral body was performed. Bone grafts accidentally slipped into the spinal canal through the damaged medial wall of the pedicle. No adverse effects were noted clinically, but this case illustrates that transpedicular bone...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-199209000-00019
更新日期:1992-01-01 00:00:00
abstract::A unique case of an irreducible fracture dislocation of the knee is reported. A review of the literature revealed no previously reported cases of fracture dislocation of the distal femur not amenable to closed reduction. ...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章,评审
doi:10.1097/00005131-199607000-00013
更新日期:1996-01-01 00:00:00
abstract::Standard 5-mm AO Schanz pedicle screws were biomechanically compared with a new design, featuring 6-mm threads with a 5-mm core diameter continuous with the shaft. One each of the two screw designs was surgically inserted into the matching pedicles of 32 cadaveric vertebrae. The pull-out strengths of the screws were t...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-199308000-00015
更新日期:1993-01-01 00:00:00
abstract::An 80-year-old man sustained a T-shaped supracondylar fracture of the femur associated with distal one-third shaft comminution. Initial failure of a 95 degrees angle blade plate was followed by insertion of an intraarticular intramedullary nail stabilized with static locking-screw fixation. A second failure of the imp...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-199308000-00004
更新日期:1993-01-01 00:00:00
abstract::A prospective randomized study was set up, comparing a compression hip screw with the Vandeputte (VDP) endoprosthesis treatment for fresh, unstable peritrochanteric fractures, according to the Evans-Jensen and AO systems. Ninety patients, ages > or = 70 years, 47 of whom were treated with a compression hip screw and 4...
journal_title:Journal of orthopaedic trauma
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00005131-199509040-00004
更新日期:1995-01-01 00:00:00
abstract:OBJECTIVES:To evaluate the use of lag screw only fixation of noncomminuted oblique fractures of the lateral malleolus in patients younger than fifty years of age. DESIGN:Prospective evaluation. SETTING:Level I trauma center. PATIENTS AND PARTICIPANTS:Forty-seven ankle fractures with simple oblique patterns and no co...
journal_title:Journal of orthopaedic trauma
pub_type: 杂志文章
doi:10.1097/00005131-200102000-00008
更新日期:2001-02-01 00:00:00