Oblique screws at the plate ends increase the fixation strength in synthetic bone test medium.

Abstract:

OBJECTIVE:To test the hypothesis that oblique screws at the ends of a plate provide increased strength of fixation as compared to standard screw insertion. DESIGN:Biomechanical laboratory study in synthetic bone test medium. METHODS:Narrow 4.5-mm stainless steel low-contoured dynamic compression plates were anchored with cortical screws to blocks of polyurethane foam. The fixation strength in cantilever bending (gap closing mode) and torsion was quantified using a material testing system. Different constructs were tested to investigate the effect of the screw orientation at the end of the plate (straight versus oblique at 30 degrees), the plate, and bridging length as well as the number of screws. RESULTS:An oblique screw at the plate end produced an increased strength of fixation in all tests; however, the difference was more significant in shorter plates and in constructs with no screw omission adjacent to the fracture site. Both longer plates and increased bridging length produced a significantly stronger construct able to withstand higher compression loads. Under torsional loading, the fixation strength was mainly dependent on the number of screws. CONCLUSIONS:The current data suggest that when using a conventional plating technique, plate length is the most important factor in withstanding forces in cantilever bending. With regard to resisting torsional load, the number of screws is the most important factor. Furthermore, oblique screws at the ends of a plate increase fixation strength.

journal_name

J Orthop Trauma

authors

Stoffel K,Stachowiak G,Forster T,Gächter A,Kuster M

doi

10.1097/00005131-200410000-00006

subject

Has Abstract

pub_date

2004-10-01 00:00:00

pages

611-6

issue

9

eissn

0890-5339

issn

1531-2291

pii

00005131-200410000-00006

journal_volume

18

pub_type

杂志文章
  • Definitive Management of Distal Tibia and Simple Plafond Fractures With Circular External Fixation.

    abstract::Obtaining optimal results in the treatment of extraarticular distal tibia fractures can be challenging. Plate and screw and intramedullary fixation have proven to be effective treatments, but are associated with significant complication rates when used for open fractures and patient with severe medical comorbidities. ...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/BOT.0000000000000694

    authors: Quinnan SM

    更新日期:2016-11-01 00:00:00

  • Management of distal humerus fractures with minifragment fixation.

    abstract::Minifragment implants provide several advantages for the stabilization of distal humerus fractures. Compared with small fragment implants, minifragment implants may provide enhanced fracture fixation because a greater number of screws can be placed into the distal fragments. In addition, minifragment plates are easier...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/01.bot.0000157908.45939.d7

    authors: Russell GV Jr,Jarrett CA,Jones CB,Cole PA,Gates J

    更新日期:2005-08-01 00:00:00

  • Traumatic avulsion of the triceps brachii.

    abstract::Traumatic avulsion of the triceps brachii tendon is a rare injury. Clinical diagnosis shows that elbow extension against gravity is not possible. Radiologically, the lateral elbow may show the presence of flecks of avulsed osseous material from the olecranon ("flake sign"), which is almost pathognomonic of this lesion...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/00005131-200204000-00010

    authors: Pina A,Garcia I,Sabater M

    更新日期:2002-04-01 00:00:00

  • Surgical treatment with an angular stable plate for complex displaced proximal humeral fractures in elderly patients: a randomized controlled trial.

    abstract:OBJECTIVE:The objective of the study was to evaluate functional outcome, patient self-assessment, and radiographic outcome at 1 year in displaced three- and four-part proximal humeral fractures (OTA group 11-B2 and 11-C2). DESIGN:Randomized controlled trial. SETTING:Academic medical center. PATIENTS/PARTICIPANTS:Fif...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章,随机对照试验

    doi:10.1097/BOT.0b013e31821c2e15

    authors: Fjalestad T,Hole MØ,Hovden IA,Blücher J,Strømsøe K

    更新日期:2012-02-01 00:00:00

  • The reinforcement of cancellous bone screws with calcium phosphate cement.

    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

    authors: Mermelstein LE,Chow LC,Friedman C,Crisco JJ 3rd

    更新日期:1996-01-01 00:00:00

  • Surgical Site Infections in Patients With Type 3 Open Fractures: Comparing Antibiotic Prophylaxis With Cefazolin Plus Gentamicin Versus Piperacillin/Tazobactam.

    abstract:OBJECTIVES:The purpose of this study was to compare rates of surgical site infection (SSI) in patients with type 3 open fractures who had received cefazolin plus gentamicin versus piperacillin/tazobactam for antibiotic prophylaxis. DESIGN:Retrospective cohort study. SETTING:Level 1 trauma center. PATIENTS:Seven hund...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/BOT.0000000000000554

    authors: Redfern J,Wasilko SM,Groth ME,McMillian WD,Bartlett CS 3rd

    更新日期:2016-08-01 00:00:00

  • Deep venous thrombosis complicating rupture of the medial head of the gastrocnemius muscle.

    abstract::Rupture of the medial head of the gastrocnemius muscle ("tennis leg") is an affliction generally associated with athletic activity. The diagnosis is made by careful history and physical examination. Although its findings are characteristic, previous reports have documented misdiagnosis of this lesion as thrombophlebit...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/00005131-199406000-00016

    authors: Slawski DP

    更新日期:1994-01-01 00:00:00

  • Outcomes of Presumed Aseptic Long-Bone Nonunions With Positive Intraoperative Cultures Through a Single-Stage Surgical Protocol.

    abstract:OBJECTIVE:To evaluate the outcomes of a single-stage surgical protocol to treat a presumed aseptic long-bone nonunion with positive intraoperative cultures obtained at the time of surgery. DESIGN:Retrospective comparative series. SETTING:Orthopaedic specialty hospital. PATIENTS AND METHODS:We retrospectively identif...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/BOT.0000000000001084

    authors: Arsoy D,Donders JCE,Kleeblad LJ,Miller AO,Henry MW,Wellman DS,Helfet DL

    更新日期:2018-02-01 00:00:00

  • The Monteggia lesion and ipsilateral supracondylar humerus and distal radius fractures.

    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

    authors: Arazi M,Oğün TC,Kapicioğlu MI

    更新日期:1999-01-01 00:00:00

  • Internal fixation of experimental intraarticular calcaneal fractures: a biomechanical analysis of two fixation methods.

    abstract:OBJECTIVE:To evaluate and compare the mechanical stability of two different fixation techniques on experimentally induced calcaneus fractures. METHODS:Thirteen fresh frozen cadaver lower limbs had intraarticular calcaneal fractures produced with an impact loading device. Internal fixation was then performed through la...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/00005131-199708000-00010

    authors: Carr JB,Tigges RG,Wayne JS,Earll M

    更新日期:1997-08-01 00:00:00

  • The protective effect of locking screw placement on nonlocking screw extraction torque in an osteoporotic supracondylar femur fracture model.

    abstract:OBJECTIVE:To examine the impact of number and position of locking screws in the diaphyseal portion of an osteoporotic distal femoral fracture model with hybrid fixation. METHODS:Four groups containing 5 osteoporotic bone models were used with varying combinations of diaphyseal screw fixation: 4 nonlocking screws (cont...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/BOT.0b013e318238c086

    authors: Dalstrom DJ,Nelles DB,Patel V,Goswami T,Markert RJ,Prayson MJ

    更新日期:2012-09-01 00:00:00

  • Traumatic anterior dislocation of the radial head in an adult.

    abstract::We report an isolated anterior dislocation of the radial head in an adult after sustaining a fall on the outstretched arm. Based on history and presentation, we speculate that the injury occurred in a position of hyperextension and supination. Reduction was achieved by a pronation maneuver. ...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/00005131-199505000-00014

    authors: Bonatus T,Chapman MW,Felix N

    更新日期:1995-01-01 00:00:00

  • Severe open tibial fractures: a study protocol.

    abstract::A prospective randomized study of severe open tibial fractures (Type II and III) was performed. Individual fractures were randomized to treatment groups according to initial antibiotic therapy: One consisted of a first-generation cephalosporin, and the other consisted of a third-generation cephalosporin. Initial antib...

    journal_title:Journal of orthopaedic trauma

    pub_type: 临床试验,杂志文章,随机对照试验

    doi:10.1097/00005131-198802030-00001

    authors: Johnson KD,Bone LB,Scheinberg R

    更新日期:1988-01-01 00:00:00

  • Foot Function After Surgically Treated Intraarticular Calcaneal Fractures: Correlation of Clinical and Pedobarographic Results of 65 Patients Followed for 8 Years.

    abstract:OBJECTIVES:To correlate functional deficits after surgical treatment of displaced intraarticular calcaneal fractures (DIACFs) as measured through dynamic pedobarography with clinical and radiographic long-term results. DESIGN:Retrospective single-center study. SETTING:Level 1 trauma center. PATIENTS:Sixty-five patie...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/BOT.0000000000001325

    authors: Dürr C,Apinun J,Mittlmeier T,Rammelt S

    更新日期:2018-12-01 00:00:00

  • Immediate Weight Bearing and Range of Motion After Internal Fixation of Selected Malleolar Fractures: A Retrospective Non-Inferiority Controlled Study.

    abstract:OBJECTIVES:We studied the safety of immediate weight bearing as tolerated (IWBAT) and immediate range of motion (IROM) following open reduction internal fixation (ORIF) of selected malleolar ankle fractures (defined as involving bony or ligamentous disruption of two or more of the malleoli or syndesmosis without articu...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/BOT.0000000000002003

    authors: Fram BR,Rogero RG,Chang G,Krieg JC,Raikin SM

    更新日期:2020-11-09 00:00:00

  • False positive indium-111 white blood cell scan in a closed clavicle fracture.

    abstract::Aggressive treatment of the multiply injured patient often requires early fixation of many fractures, some of which may be open. Often, patients develop postoperative fevers requiring a thorough workup to rule out infection. Recently, indium-111 white blood cell (WBC) imaging has become a valuable adjunct in the diagn...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:

    authors: Friedman RJ,Gordon L

    更新日期:1988-01-01 00:00:00

  • Teamwork in Trauma: System Adjustment to a Protocol for the Management of Multiply Injured Patients.

    abstract:OBJECTIVES:We developed a protocol to determine the timing of definitive fracture care based on the adequacy of resuscitation. Inception of this project required a multidisciplinary group, including physicians from anesthesiology, general trauma and critical care, neurosurgery, orthopaedic spine, and orthopaedic trauma...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/BOT.0000000000000383

    authors: Vallier HA,Moore TA,Como JJ,Dolenc AJ,Steinmetz MP,Wagner KG,Smith CE,Wilczewski PA

    更新日期:2015-11-01 00:00:00

  • A biomechanical evaluation of methods of distal humerus fracture fixation using locking compression plates versus conventional reconstruction plates.

    abstract:OBJECTIVES:To examine the biomechanical behavior of 2 techniques of double-plate osteosynthesis for fractures of the adult distal humerus using conventional reconstruction plates and locking compression plates. DESIGN:Basic science study. SETTING:Experimental in vitro study. PATIENTS/PARTICIPANTS:Forty fresh-frozen ...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/00005131-200405000-00004

    authors: Korner J,Diederichs G,Arzdorf M,Lill H,Josten C,Schneider E,Linke B

    更新日期:2004-05-01 00:00:00

  • Quality of Reduction of Displaced Intra-Articular Calcaneal Fractures Using a Sinus Tarsi versus Extensile Lateral Approach.

    abstract:OBJECTIVE:To evaluate the difference in quality of fracture reduction between the sinus tarsi approach (STA) and extensile lateral approach (ELA) using postoperative CT scans in displaced intra-articular calcaneal fractures (DIACFs). DESIGN:Retrospective SETTING:: Level 1 and Level 2 academic centers. PATIENTS:Consec...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/BOT.0000000000001971

    authors: Busel G,Mir HR,Merimee S,Patel R,Atassi O,De La Fuente G,Donohue D,Maxson B,Infante A,Shah A,Watson D,Downes K,Sanders RW

    更新日期:2020-09-18 00:00:00

  • Superior Outcomes After Operative Fixation of Patella Fractures Using a Novel Plating Technique: A Prospective Cohort Study.

    abstract:OBJECTIVE:The purpose of this prospective cohort study was to determine if a new patella fracture fixation construct resulted in improved outcomes compared with traditional tension band techniques. DESIGN:Comparative cohort study. SETTING:Academic level I trauma center. PATIENTS/PARTICIPANTS:Patients with isolated, ...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/BOT.0000000000000787

    authors: Lorich DG,Fabricant PD,Sauro G,Lazaro LE,Thacher RR,Garner MR,Warner SJ

    更新日期:2017-05-01 00:00:00

  • Ipsilateral combination Monteggia and Galeazzi injuries in an adult patient: a case report.

    abstract::Monteggia fractures represent approximately 1 to 2 percent of forearm fractures, whereas Galeazzi fractures represent 3 to 6 percent. The combination of these injuries in the same extremity is an exceedingly rare occurrence. We report a case of ipsilateral combination Monteggia and Galeazzi fractures in an adult patie...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/00005131-200202000-00011

    authors: Clare DJ,Corley FG,Wirth MA

    更新日期:2002-02-01 00:00:00

  • Transulnar percutaneous pinning of displaced distal radial fractures: a preliminary report.

    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

    authors: Rayhack JM,Langworthy JN,Belsole RJ

    更新日期:1989-01-01 00:00:00

  • Anatomic study of the lateral femoral cutaneous nerve with respect to the ilioinguinal surgical dissection.

    abstract:OBJECTIVE:To report on the anatomic variations of the lateral femoral cutaneous nerve with respect to the ilioinguinal surgical dissection. DESIGN:Cadaveric anatomic study. PATIENTS/PARTICIPANTS:Sixty-eight ilioinguinal dissections performed in fifty cadavers. INTERVENTION:The lateral femoral cutaneous nerve was ide...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/00005131-199901000-00005

    authors: Hospodar PP,Ashman ES,Traub JA

    更新日期:1999-01-01 00:00:00

  • 9. Effects of Low-Intensity Pulsed Ultrasound (LIPUS) on Osteoclasts and Osteoblasts: Analysis Using an Assay System With Fish Scale as a Model of Bone.

    abstract:OBJECTIVE:Low-intensity pulsed ultrasound (LIPUS) provides noninvasive therapeutic treatment to accelerate fracture repair and distraction osteogenesis. However, most studies concerning the influence of LIPUS on bone metabolism have been conducted in vivo systems using osteoblastic cells. Therefore, details of the dire...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/01.bot.0000489982.40329.52

    authors: Suzuki N,Hanmoto T,Ikegame M,Furusawa Y,Tabuchi Y,Kondo T,Kitamura K,Sekiguchi T,Mikuni-Takagaki Y,Hattori A

    更新日期:2016-08-01 00:00:00

  • Intramedullary nail fracture compression techniques: when and how to do it?

    abstract::Fracture compression can be achieved in many ways intraoperatively using either screws in compression plates, compression devices, or using intramedullary nails. The use of locked intramedullary nails combines the advantages of indirect fracture fixation and compression with minimal soft tissue disruption. This articl...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章,评审

    doi:10.1097/BOT.0b013e31819f2779

    authors: Tejwani NC

    更新日期:2009-05-01 00:00:00

  • Predictors of reoperation following operative management of fractures of the tibial shaft.

    abstract:BACKGROUND:Accurate prediction of likelihood of reoperation in patients with tibial shaft fractures would facilitate optimal management. Previous studies were limited by small sample sizes and noncomprehensive examination of possible risk factors. OBJECTIVE:We conducted an observational study to determine which progno...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/00005131-200305000-00006

    authors: Bhandari M,Tornetta P 3rd,Sprague S,Najibi S,Petrisor B,Griffith L,Guyatt GH

    更新日期:2003-05-01 00:00:00

  • Functional and radiographic results of patients with syndesmotic screw fixation: implications for screw removal.

    abstract:OBJECTIVE:Screw fixation of the injured syndesmosis restores stability but may reduce motion. The purpose of this study is to determine whether functional outcomes and radiographic results after ankle fracture are affected by the status of the syndesmosis screw. DESIGN:Retrospective review of a consecutive clinical se...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/BOT.0b013e3181a9f7a5

    authors: Manjoo A,Sanders DW,Tieszer C,MacLeod MD

    更新日期:2010-01-01 00:00:00

  • The thermal effects of intramedullary reaming.

    abstract:OBJECTIVE:To study the effect of tourniquet control on intramedullary reaming. DESIGN:An experimental prospective nonsurvival animal study was performed using 5 mongrel dogs. A pneumatic tourniquet was randomized to either the right or left hind limb. Tibial intramedullary reaming was performed with progressively larg...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/00005131-200411000-00004

    authors: Karunakar MA,Frankenburg EP,Le TT,Hall J

    更新日期:2004-11-01 00:00:00

  • Young Practitioners Forum: What Really Matters.

    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

    authors: Russell TT

    更新日期:2015-11-01 00:00:00

  • Treatment of type II and type III open tibia fractures in children.

    abstract:OBJECTIVES:To determine whether severe open tibial fractures in children behave like similar fractures in adults. DESIGN AND SETTING:A combined retrospective and prospective review evaluated treatment protocol for type II and type III open tibial fractures in children over a ten-year period from 1984 to 1993. PATIENT...

    journal_title:Journal of orthopaedic trauma

    pub_type: 杂志文章

    doi:10.1097/00005131-199707000-00010

    authors: Bartlett CS 3rd,Weiner LS,Yang EC

    更新日期:1997-07-01 00:00:00