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Pelvis fracture

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https://www.readbyqxmd.com/read/29349502/a-biomechanical-comparison-of-different-fixation-techniques-for-fractures-of-the-acetabular-posterior-wall
#1
Xinbao Wu
PURPOSE: This study aimed to evaluate the biomechanical stability of different fixation techniques for fractures of the acetabular posterior wall. The hypothesis was that a reconstruction plate, combined with compression screw fixation and a plate placed lateral to the screws, would achieve a higher peak load to failure and stiffness and reduced gapping during cycle loading than other fixation techniques. METHODS: A total of 24 Sawbone pelvis models were created with simulated fractures at the posterior wall of the acetabulum...
January 18, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29327108/computed-tomography-for-occult-fractures-of-the-proximal-femur-pelvis-and-sacrum-in-clinical-practice-single-institution-dual-site-experience
#2
Jacob C Mandell, Michael J Weaver, Bharti Khurana
PURPOSE: The purpose of this study was to evaluate the diagnostic performance of CT for assessment of occult fractures of the proximal femur, pelvis, and sacrum. MATERIALS AND METHODS: A retrospective review was performed on patients who received a CT of the hip or pelvis for suspected occult fracture after negative or equivocal radiographs performed within 24 h. The official radiology report was utilized for the determination of CT findings and calculation of sensitivity and specificity...
January 11, 2018: Emergency Radiology
https://www.readbyqxmd.com/read/29322585/scapular-fractures-in-the-pan-scan-era
#3
Cortlyn Brown, Karim Elmobdy, Ali S Raja, Robert M Rodriguez
BACKGROUND: Scapular fractures have been traditionally taught to be associated with significant injuries and major morbidity. As we demonstrated with sternal fracture, pulmonary contusion and rib fracture, increased chest CT utilization and head-to-pelvis CT (pan-scan) protocols in blunt trauma evaluation, however, may diagnose minor, clinically irrelevant scapular fractures, possibly rendering previous teachings obsolete. OBJECTIVES: To determine the 1) percentages of scapular fractures seen on chest CT only (SOCTO) versus seen on both CXR and CT and of isolated scapular fracture (scapular fracture without other thoracic injuries), 2) frequencies of associated thoracic injury with scapular fracture, and 3) proportion of patients admitted, mortality, hospital length of stay, and injury severity scores (ISS), comparing four patient groups: scapular fracture, non-scapular fracture, scapular fracture SOCTO, and isolated scapular fracture...
January 11, 2018: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29315199/a-waist-hip-ratio-surrogate-more-predictive-than-bmi-of-wound-complications-following-pelvic-and-acetabulum-surgery
#4
Todd Jaeblon, Kevin J Perry, Joseph A Kufera
OBJECTIVES: To determine if a novel surrogate of waist hip ratio (WHR) is more predictive of wound complications following pelvis or acetabulum stabilization than BMI, and describe the method of measuring a WHR proxy (WHRp). DESIGN: Retrospective review. SETTING: One Level-1 Trauma Center PATIENTS:: 161 patients following operative repair of pelvis and acetabulum fractures. INTERVENTION: Operative stabilization of a pelvic ring injury or acetabular fracture MAIN OUTCOME MEASUREMENTS:: Infection (pin, superficial, deep), Wound healing complication METHODS:: We retrospectively reviewed 161 subjects following operative repair of pelvic and acetabular fractures...
January 8, 2018: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29314242/co-morbidities-only-account-for-a-small-proportion-of-excess-mortality-after-fracture-a-record-linkage-study-of-individual-fracture-types
#5
Weiwen Chen, Judy M Simpson, Lyn M March, Fiona M Blyth, Dana Bliuc, Thach Tran, Tuan V Nguyen, John A Eisman, Jacqueline R Center
BACKGROUND: Non-hip non-vertebral fractures (NHNV) constitute the majority of osteoporotic fractures but few studies have examined the association between these fractures, co-morbidity and mortality. OBJECTIVE: To examine the relationship between individual non-hip non-vertebral fractures, co-morbidities and mortality. METHODS: Prospective population-based cohort of 267,043 subjects (45 and Up Study, Australia) had baseline questionnaires linked to hospital administrative and all-cause mortality data from 2006 - 2013...
January 4, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29310418/improvements-in-osteoporosis-testing-and-care-are-found-following-the-wide-scale-implementation-of-the-ontario-fracture-clinic-screening-program-an-interrupted-time-series-analysis
#6
Dorcas E Beaton, Muhammad Mamdani, Hong Zheng, Susan Jaglal, Suzanne M Cadarette, Earl R Bogoch, Joanna E M Sale, Rebeka Sujic, Ravi Jain
We evaluated a system-wide impact of a health intervention to improve treatment of osteoporosis after a fragility fracture. The intervention consisted of assigning a screening coordinator to selected fracture clinics to identify, educate, and follow up with fragility fracture patients and inform their physicians of the need to evaluate bone health. Thirty-seven hospitals in the province of Ontario (Canada) were assigned a screening coordinator. Twenty-three similar hospitals were control sites. All hospitals had orthopedic services and handled moderate-to-higher volumes of fracture patients...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29310397/massive-rare-desmoplastic-fibroma-of-the-ilium-and-ischium-in-a-young-adult-a-case-report
#7
Xin-Nan Ma, Shuai Qiang, Tian-Yi Liu, Mei-Yu Cao, Song-Cen Lv
RATIONALE: Desmoplastic fibroma (DF) is a rare, locally invasive but benign bone tumor. It represents one of the rarest bone diseases, with an incidence of only 0.11% of all primary bone tumors. PATIENT CONCERNS: Herein, a case of massive and unusual DF, with simultaneous involvement of ilium and ischium, is described. A 29-year-old man suffered minor pain in his right hip for 2 years. It worsened after sudden movements, which prevented him from walking normally...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29310353/complex-pelvic-ring-injuries-associated-with-floating-knee-in-a-poly-trauma-patient-a-case-report
#8
Yuebin Zhou, Honggang Guo, Zhiwei Cai, Yuan Zhang
RATIONALE: Complex pelvic ring fracture associated with floating knee is comparatively rare which usually results from high-energy trauma including vehicle-related accidence, falls from height, and earthquake-related injury. To our knowledge, few literatures have documented such injuries in the individual patient. Management of both injuries present challenges for surgical management and postoperative care. The purpose of this study is to prove the feasibility and benefits of damage control orthopedics (DCO)...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29309691/prospective-study-to-evaluate-the-safety-of-the-world-first-spot-scanning-dedicated-small-360-degree-gantry-synchrotron-based-proton-beam-therapy-system
#9
Kentaro Nishioka, Anussara Prayongrat, Kota Ono, Shunsuke Onodera, Takayuki Hashimoto, Norio Katoh, Tetsuya Inoue, Rumiko Kinoshita, Koichi Yasuda, Takashi Mori, Rikiya Onimaru, Hiroki Shirato, Shinichi Shimizu
This is a report of a single-institution prospective study evaluating the safety of a spot-scanning dedicated, small 360-degree gantry, synchrotron-based proton beam therapy (PBT) system. Data collection was performed for 56 patients with 59 treatment sites who received proton beam therapy at Hokkaido University Hospital between March 2014 and July 2015. Forty-one patients were male and 15 were female. The median age was 66 years. The primary lesion sites were prostate (n = 17), bone/soft tissue (n = 10), liver (n = 7), lung (n = 6), central nervous system (n = 5), colon (n = 2), pancreas (n = 2), kidney (n = 2) and others (n = 5)...
December 22, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/29248744/underbody-blast-effect-on-the-pelvis-and-lumbar-spine-a-computational-study
#10
Jianyin Lei, Feng Zhu, Binhui Jiang, Zhihua Wang
Explosion from an anti-tank landmine under a military vehicle, known as underbody blast (UBB), may cause severe injury or even death for the occupants inside the vehicle. Severity and patterns of lower extremity, pelvis and lumbar spine injuries subjected to UBB have been found highly related to loading conditions, i.e. the vertical acceleration pulse. A computational human model has been developed and successfully simulated the tibia fracture under UBB in the previous study. In the present study, it was further improved by building a detailed lumbar spine and pelvis model with high biofidelity...
December 5, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29247322/a-biomechanical-study-of-sacroiliac-rod-fixation-for-unstable-pelvic-ring-injuries-verification-of-the-within-ring-concept
#11
Kentaro Futamura, Tomonori Baba, Atsuhiko Mogami, Itaru Morohashi, Osamu Obayashi, Hideaki Iwase, Kazuo Kaneko
PURPOSE: The aim of this study was to compare the fixation power of sacroiliac rod fixation (SIRF), which was developed based on our original "within ring" concept to exclude the lumbar vertebra from the fixation range, and spinopelvic fixation (SPF) in a biomechanical experiment. METHODS: SPF and SIRF were applied to the posterior element in four bones each with the pelvic ring fracture model (AO/OTA classification 61-C1.3). A 300-N axial force was loaded on the fifth lumbar vertebra of the simulated pelvis...
December 15, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/29247259/effect-of-sarcopenia-on-clinical-and-surgical-outcome-in-elderly-patients-with-proximal-femur-fractures
#12
Ching-Di Chang, Jim S Wu, Jennifer Ni Mhuircheartaigh, Marry G Hochman, Edward K Rodriguez, Paul T Appleton, Colm J Mcmahon
PURPOSE: To investigate the relationship between sarcopenia with short-term surgical outcome in elderly patients with proximal femur fractures. METHODS AND MATERIALS: Following Institutional Review Board approval, a database of patients receiving a pelvis CT scan for acute trauma between January 2000-August 2016 was screened for an isolated proximal femur fracture. Patients were excluded if they were: < 50 years old, had conditions predisposing to sarcopenia (renal failure, congestive heart failure, muscular dystrophies), had undergone no surgical treatment, had other major traumatic injuries, or had a pathologic femur fracture...
December 15, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29246407/can-ct-imaging-of-the-chest-abdomen-and-pelvis-identify-all-vertebral-injuries-of-the-thoracolumbar-spine-without-dedicated-reformatting
#13
Jonathan B Imran, Tarik D Madni, Jeffrey H Pruitt, Canon Cornelius, Madhu Subramanian, Audra T Clark, Ali A Mokdad, Paul Rizk, Joseph P Minei, Michael W Cripps, Alexander L Eastman
BACKGROUND: The main objective of this study was to compare detection rates of clinically significant thoracolumbar spine (TLS) fracture between computed tomography (CT) imaging of the chest, abdomen, and spine (CT CAP) and CT for the thoracolumbar spine (CT TL). METHODS: We retrospectively identified patients at our institution with a TLS fracture over a two-year period that had both CT CAP and reformatted CT TL imaging. The sensitivity of CT CAP to identify fracture was calculated for each fracture type...
December 5, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/29242977/the-mechanism-in-junctional-failure-of-thoraco-lumbar-fusions-part-i-biomechanical-analysis-of-mechanisms-responsible-of-vertebral-overstress-and-description-of-the-cervical-inclination-angle-cia
#14
Jean-Charles Le Huec, Jonathon Richards, Andreas Tsoupras, Rachel Price, Amélie Léglise, Antonio A Faundez
PURPOSE: The purpose of the study is to describe the biomechanical theory explaining junctional breakdowns in thoraco-lumbar fusions, by taking the example of vertebral compression fractures. Also, a new angle, the cervical inclination angle (CIA), describing the relative position of the head at each vertebral level, is presented. METHODS: For the CIA, the data were collected from 137 asymptomatic subjects of a prospective database, containing clinical and radiologic informations...
December 14, 2017: European Spine Journal
https://www.readbyqxmd.com/read/29241997/quadrilateral-plate-fractures-of-the-acetabulum-proposition-for-a-novel-classification-system
#15
Walid A ElNahal, Mahmoud Abdel Karim, Sherif A Khaled, Ahmed Hazem Abdelazeem, Hazem Abdelazeem
BACKGROUND: Currently, there is no definition or classification system for quadrilateral plate (QLP) fractures; the aim was to anatomically and radiologically characterise the QLP, propose a definition and classify QLP fractures. METHODS: This study included an anatomical component and a radiological component. The anatomical study aimed at defining the characteristics of the QLP; the QLP was identified using four articulating bony pelvis specimens. A titanium mesh was placed on the specimens' quadrilateral surface; standard anteroposterior and oblique views were obtained, and axial CT images, to determine the radiological landmarks...
December 1, 2017: Injury
https://www.readbyqxmd.com/read/29241277/dual-energy-computed-tomography-in-musculoskeletal-imaging-with-focus-on-fragility-fractures-of-the-pelvis
#16
Carsten Hackenbroch, Hans-Joachim Riesner, Patricia Lang, Fabian Stuby, Meinrad Beer, Benedikt Friemert, Hans-Georg Palm
Dual energy computed tomography (DECT) is a constantly evolving technology, which opens up new diagnostic possibilities. It is particularly valuable for musculoskeletal (MSK) imaging. Due to the lack of recognition and availability of dual energy scanners, routine use is only established in a few centres. The intention of this review is to show the possibilities and fields of applications of the DECT in MSK imaging, as well as to describe technical principles and typical indications. We mainly focus on the use of DECT in the context of fragility fractures of the pelvis...
December 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29240544/expected-time-to-return-to-athletic-participation-after-stress-fracture-in-division-i-collegiate-athletes
#17
Timothy L Miller, Marissa Jamieson, Sonsecharae Everson, Courtney Siegel
BACKGROUND: Few studies have documented expected time to return to athletic participation after stress fractures in elite athletes. HYPOTHESIS: Time to return to athletic participation after stress fractures would vary by site and severity of stress fracture. STUDY DESIGN: Retrospective cohort study. LEVEL OF EVIDENCE: Level 3. METHODS: All stress fractures diagnosed in a single Division I collegiate men's and women's track and field/cross-country team were recorded over a 3-year period...
December 1, 2017: Sports Health
https://www.readbyqxmd.com/read/29239748/validation-of-an-alignment-method-using-motion-tracking-system-for-in-vitro-orientation-of-cadaveric-hip-joints-with-reduced-set-of-anatomical-landmarks
#18
Suzan Bsat, Ifaz Haider, Andrew Speirs, Paul Beaulé, Hanspeter Frei
Accurate in-vitro orientation of cadaveric hip joints is challenging due to limited available anatomical landmarks. Published hip joint in-vitro investigations commonly lack details on methods used to achieve reported orientations and the accuracy with which the desired orientation has been achieved. The aim of this study was to develop an accurate method for orienting hip joints with limited anatomical landmarks for in-vitro investigations, and to compare this method against orientation using guiding axes and by visual approximation...
November 25, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/29234647/radiographic-anatomy-of-the-proximal-femur-femoral-neck-fracture-vs-transtrochanteric-fracture
#19
Ana Lecia Carneiro Leão de Araújo Lima, Saul Caldas Miranda, Hudson Felipe Oliveira de Vasconcelos
Objective: To evaluate the correlation between radiographic parameters of the proximal femur with femoral neck fractures or transtrochanteric fractures. Methods: Cervicodiaphyseal angle (CDA), femoral neck width (FNW), hip axis length (HAL), and acetabular tear drop distance (ATD) were analyzed in 30 pelvis anteroposterior view X-rays of patients with femoral neck fractures (n = 15) and transtrochanteric fractures (n = 15). The analysis was performed by comparing the results of the X-rays with femoral neck fractures and with transtrochanteric fractures...
November 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/29221479/in-screw-polymethylmethacrylate-augmented-sacroiliac-screw-for-the-treatment-of-fragility-fractures-of-the-pelvis-a-prospective-observational-study-with-1-year-follow-up
#20
Andreas Höch, Philipp Pieroh, Ralf Henkelmann, Christoph Josten, Jörg Böhme
BACKGROUND: The incidence of pelvic ring fractures in the elderly significantly increased. Because of persistent pain and immobilization associated with this injury, surgical treatment is recommended. To minimise comorbidities and surgical risk, percutaneous techniques are becoming more relevant. In-screw cement augmentation of sacroiliac screw fixation is a promising procedure; however, clinical follow-up data remain scarce. This study investigated the safety and possible complications of the procedure along with a 1-year follow-up...
December 8, 2017: BMC Surgery
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