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Journal of Orthopaedic Trauma

William P Croom, Daniel J Lorenzana, Richard L Auran, Matthew J Cavallero, Nathanael Heckmann, Jackson Lee, Eric A White
OBJECTIVES: To determine native individual bilateral differences in femoral version in a diverse population. METHODS: Computed tomography scans with complete imaging of uninjured bilateral femora were used to determine femoral version and individual bilateral differences in version. Age, sex, and ethnicity of each subject were also collected. Femoral version and individual bilateral differences in version were correlated with demographic variables using univariate and multivariate regression models...
September 11, 2017: Journal of Orthopaedic Trauma
John C Weinlein, Rakesh P Mashru, Edward A Perez, Sara E Johnson
OBJECTIVE: To determine if certain patterns of pelvic ring injury are associated with more frequent intra-uterine fetal demise (IUFD). DESIGN: Retrospective review SETTING:: Level 1 trauma center. PATIENTS/PARTICIPANTS: Of 44 pregnant patients with pelvic and/or acetabular fractures, 40 had complete records that allowed determination of fetal viability. Chi-square tests were used for categorical variables (Fisher's exact tests when expected cell counts were fewer than five) and t-tests were used for continuous variables...
September 11, 2017: Journal of Orthopaedic Trauma
Julian Karres, Noera Kieviet, Jan-Peter Eerenberg, Bart C Vrouenraets
OBJECTIVES: Early mortality following hip fracture surgery is high and pre-operative risk assessment for the individual patient is challenging. A risk model could identify patients in need of more intensive perioperative care, provide insight in the prognosis and allow for risk-adjustment in audits. This study aimed to develop and validate a risk prediction model for 30-day mortality following hip fracture surgery: the Hip fracture Estimator of Mortality Amsterdam (HEMA). METHODS: Data on 1050 consecutive patients undergoing hip fracture surgery between 2004 and 2010 were retrospectively collected and randomly split into a development cohort (746 patients) and validation cohort (304 patients)...
September 11, 2017: Journal of Orthopaedic Trauma
Geoffrey S Marecek, Luke T Nicholson, Frances H Broghammer, Michael Talerico, Caroline Tougas, Derek J Donegan, John A Scolaro
OBJECTIVES: The suprapatellar approach for medullary nailing of the tibia is increasing. This requires intra-articular passage of instruments, which theoretically places the knee at risk for postoperative sepsis in the setting of open fracture. We hypothesized that the risk of knee sepsis is similar after suprapatellar or infrapatellar nailing of open tibia fractures. DESIGN: Retrospective, multicenter. SETTING: Three urban Level-1 trauma centers PATIENTS:: All patients treated with medullary nailing for open diaphyseal tibia fractures (OTA 42) from 2009 to 2015...
September 11, 2017: Journal of Orthopaedic Trauma
Toni Luokkala, Tapio Flinkkilä, Juha Paloneva, Teemu V Karjalaine
OBJECTIVES: To investigate the ability of individual surgeons (expert opinion [EO]) to predict distal radius fracture healing above a threshold malalignment compared with the majority prediction of the group of surgeons ("majority rule," [MR]) and a statistically derived clinical prediction formula (Edinburgh wrist calculator [EWC]). DESIGN: Comparative diagnostic study from prospectively collected data of consecutive patients. SETTING: Two academic level 1 and one academic level 2 trauma centers...
September 11, 2017: Journal of Orthopaedic Trauma
Paul Tornetta
No abstract text is available yet for this article.
August 29, 2017: Journal of Orthopaedic Trauma
Niloofar Dehghan, Jeffrey M Mah, Emil H Schemitsch, Aaron Nauth, Milena Vicente, Michael D McKee
OBJECTIVE: To determine the prevalence, management and outcomes of patients with flail chest injuries, compared to patients without flail chest injuries (single rib fractures and multiple rib fractures without a flail segment). DESIGN: Retrospective cohort study SETTING:: Ontario, Canada PARTICIPANTS:: Ontario residents over the age of 16 who had been admitted to hospital with a chest wall injury from 2004 to 2015 were identified using administrative health care databases...
August 29, 2017: Journal of Orthopaedic Trauma
Stewart McLachlin, Hans Kreder, Matthew Ng, Richard Jenkinson, Cari Whyne, Jeremie Larouche
OBJECTIVES: Assess the effect of proximal screw configuration on the strain in lateral plating of a simulated comminuted supracondylar femur fracture. METHODS: Fractures were simulated in twelve synthetic femurs by removing a 20mm section of bone, located 60mm from the intercondylar fossa and repaired via a 16-hole locked lateral plate instrumented with eight uniaxial strain gauges. Three proximal screw type configurations were evaluated: (1) four non-locking screws, (2) four locking screws, and (3) a hybrid configuration of two non-locking screws flanked by a locking screw at each end of the proximal fragment...
August 29, 2017: Journal of Orthopaedic Trauma
Christopher J DeFrancesco, Benjamin H Rogers, Apurva S Shah
OBJECTIVES: To determine if high body mass index (BMI) increases the risk of loss of reduction (LOR) following closed reduction and casting for displaced concomitant fractures of the radial and ulnar shafts in pediatric patients. DESIGN: Retrospective cohort study SETTING:: A single tertiary care, urban children's hospital PATIENTS/PARTICIPANTS:: Pediatric patients aged 2-18 years with closed, displaced, concomitant diaphyseal fractures of the radius and ulna (AO/OTA 22-A3) who underwent closed reduction and casting at the study site...
August 26, 2017: Journal of Orthopaedic Trauma
Ivan Zderic, Jong-Keon Oh, Karl Stoffel, Christoph Sommer, Tobias Helfen, Gaston Camino, R Geoff Richards, Sean E Nork, Boyko Gueorguiev
OBJECTIVES: To investigate biomechanically in a human cadaveric model the failure modes of the Proximal Femoral Locking Compression Plate (PF-LCP) and explore the underlying mechanism. METHODS: Twenty-four fresh-frozen paired human cadaveric femora with simulated unstable intertrochanteric fractures (AO/OTA 31-A3.3) were assigned to four groups with six specimens each for plating with PF-LCP. The groups differed in the quality of fracture reduction and plating fashion of the first and second proximal screws as follows: 1) anatomical reduction with on-axis screw placement; 2) anatomical reduction with off-axis screw placement; 3) malreduction with on-axis screw placement; 4) malreduction with off-axis screw placement...
August 22, 2017: Journal of Orthopaedic Trauma
Ji Wan Kim, Hyunuk Kim, Chang-Wug Oh, Joon-Woo Kim, Ki Chul Park
OBJECTIVES: To compare the radiological and clinical results of minimally invasive plate osteosynthesis (MIPO) and minimal open reduction and internal fixation (ORIF) for simple distal tibial fractures. DESIGN: Randomized prospective study. SETTING: Three level 1 trauma centers. PATIENTS: Fifty-eight patients with simple and distal tibial fractures were randomized into a MIPO group (treatment with MIPO; n=29) or a minimal group (treatment with minimal ORIF; n=29)...
August 22, 2017: Journal of Orthopaedic Trauma
G Bradley Reahl, Nathan N O'Hara, Max Coale, Lyndsay M O'Hara, Renan Castillo, Robert V O'Toole, Gerard P Slobogean
OBJECTIVE: The purpose of this study is to determine if lateral patient position during femoral nailing is associated with increases in intensive care unit (ICU) length of stay (LOS) or ventilator days when compared to femoral nailing in a supine position. DESIGN: Retrospective cohort study. SETTING: Level 1 trauma center. PATIENTS/PARTICIPANTS: Patients with femoral shaft fractures treated with intramedullary (IM) fixation were identified...
August 15, 2017: Journal of Orthopaedic Trauma
Brett L Hayden, Raminta Theriault, Kasey Bramlett, Robert Lucas, Michael McTague, Harprit Singh Bedi, Sebastian Flacke, Michael J Weaver, Andrew J Marcantonio, Scott P Ryan
OBJECTIVES: To report the safety and clinical outcomes of placing current MRI components inside and outside the MRI bore during MRI scans. DESIGN: Retrospective case series. SETTING: Four trauma centers (three Level I, one Level II), from January 2005 to January 2015 PATIENTS:: All patients who had MRI scans with external fixators in place either inside our outside the MRI bore. INTERVENTION: MRI scan of patients with external fixator in place...
August 15, 2017: Journal of Orthopaedic Trauma
Nina E Glass, Clay Cothren Burlew, Jens Hahnhaussen, Sebastian Weckbach, Fredric M Pieracci, Ernest E Moore, Philip F Stahel
OBJECTIVE: To investigate the safety and feasibility of performing definitive fracture fixation in multiply injured patients in the presence of an open abdomen after laparotomy. DESIGN: Retrospective observational cohort study. SETTING: Level-I academic trauma center. PATIENTS: Adult polytrauma patients with presence of an open abdomen after "damage control" laparotomy and associated major fractures of long bones, acetabulum, pelvis or spine, requiring surgical repair (n=81)...
August 15, 2017: Journal of Orthopaedic Trauma
Reza Firoozabadi, Suzette Miranda, Paul Tornetta
No abstract text is available yet for this article.
August 15, 2017: Journal of Orthopaedic Trauma
Benjamin R Childs, Daniel R Verhotz, Timothy A Moore, Heather A Vallier
OBJECTIVES: To evaluate the ability of measures of coagulopathy and acidosis to predict complications. We hypothesize that increased coagulopathy and acidosis over the first 60 hours of hospitalization will result in increased rates of infection and mortality. DESIGN: Prospective, observational. SETTING: Level 1 trauma center. PATIENTS: Three hundred and seventy-six skeletally mature patients with an Injury Severity Score (ISS) greater than 16 who were surgically treated for high energy fractures of the femur, pelvic ring, acetabulum, and/or spine...
August 15, 2017: Journal of Orthopaedic Trauma
Tyler Noble, Nicholas M Romeo, Christopher T LeBrun, Thomas DiPasquale
OBJECTIVES: To determine the incidence of vacuum phenomenon related intra-articular or subfascial gas found on computer assisted tomography (CT) scans of closed lower extremity fractures. DESIGN: Retrospective Review SETTING:: Level I Trauma CenterPatients/Participants: One hundred and fifty three patients with closed lower extremity fractures. INTERVENTION: CT scans of identified individuals were reviewed for the presence or absence of gaseous accumulations...
August 15, 2017: Journal of Orthopaedic Trauma
Michael J Weaver, Cameron Ashbaugh
No abstract text is available yet for this article.
August 12, 2017: Journal of Orthopaedic Trauma
Stephen Matthew Quinnan, Charles Lawrie
No abstract text is available yet for this article.
August 12, 2017: Journal of Orthopaedic Trauma
Andrew J Sheean, Richard K Hurley, Cory A Collinge, Michael J Beltran
OBJECTIVE: To determine if the addition of an anterior superior iliac spine (ASIS) osteotomy to the lateral window, when combined with the anterior intrapelvic (AIP) surgical approach, would improve visualization of the iliopectineal eminence and allow for predictable and safe clamp application. METHODS: Ten lateral window approaches to the iliac fossa were developed in conjunction with the AIP approach on 10 fresh-frozen cadaveric pelvi. A calibrated digital image was taken from the surgeon's optimal viewing angle in order to capture the visualized osseous surface of the false pelvis with emphasis on the iliopectineal eminence...
August 12, 2017: Journal of Orthopaedic Trauma
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