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Rod Fracture

Ori Barzilai, Lily McLaughlin, Eric Lis, Anne S Reiner, Mark H Bilsky, Ilya Laufer
BACKGROUND: Cancer patients experience pathological fractures and the typical poor bone quality frequently complicates stabilization. Methods for overcoming screw failure include utilization of fenestrated screws that permit the injection of bone cement into the vertebral body to augment fixation. OBJECTIVE: To evaluate the safety and efficacy of cement augmentation via fenestrated screws. METHODS: A retrospective chart review of patients with neoplastic spinal instability who underwent percutaneous instrumented stabilization with cement augmentation using fenestrated pedicle screws...
December 3, 2018: Operative Neurosurgery (Hagerstown, Md.)
(no author information available yet)
OBJECTIVEFixed sagittal spinal malalignment is a common problem in adult spinal deformity (ASD). Various three-column osteotomy techniques, including the extended pedicle subtraction osteotomy (ePSO), may correct global and regional malalignment in this patient population. In contrast to the number of reports on traditional PSO (Schwab grade 3 osteotomy), there is limited literature on the outcomes of ePSO (Schwab grade 4 osteotomy) in ASD surgery. The objective of this retrospective study was to provide focused investigation of radiographic outcomes and complications of single-level lumbar ePSO for ASD patients with fixed sagittal malalignment...
November 1, 2018: Journal of Neurosurgery. Spine
Frank R Avilucea, David Joyce, Hassan R Mir
OBJECTIVES: To report on the use of dynamic stress fluoroscopy (DSF) for detection of occult fractures of the femoral neck associated with femoral shaft fractures. To compare DSF with a fully static imaging protocol in detecting occult femoral neck fractures. DESIGN: Multicenter retrospective cohort study SETTING:: Two urban level I trauma centers PARTICIPANTS/INTERVENTION:: A consecutive series of 1273 femoral shaft fractures were included. Inclusion criteria were patients treated with an intramedullary rod (antegrade/retrograde), age ≥ 18, a fine-cut (2 mm) pre-operative CT and hip radiographs, intraoperative AP/lateral fluoroscopic view of the femoral neck prior to femoral nailing, and a minimum follow up of three months...
October 8, 2018: Journal of Orthopaedic Trauma
Shu-Kun He, Si-Chun Zhao, Jin-Hai Guo, Ting-Wu Qin, Fu-Guo Huang
BACKGROUND: Open reduction and internal fixation is the adequate treatment for capitellar and trochlear fractures. Given the low incidence of this type of fractures, it is difficult to constitute a universally accepted method for fixation. Thus, we hypothesised that combined use of Kirschner wires (K-wires), absorbable rods and sutures for fixation and post-operative hinged external fixator for early rehabilitation exercise can restore elbow joint function well. METHODS: This retrospective study included 20 patients with a mean age of 48...
November 28, 2018: ANZ Journal of Surgery
Matthew J Damasiewicz, Thomas L Nickolas
Renal osteodystrophy (ROD) is the bone component of chronic kidney disease mineral and bone disorder (CKD-MBD). ROD affects bone quality and strength through the numerous hormonal and metabolic disturbances that occur in patients with kidney disease. Collectively these disorders in bone quality increase fracture risk in CKD patients compared with the general population. Fractures are a serious complication of kidney disease and are associated with higher morbidity and mortality compared with the general population...
November 2018: JBMR plus
Laurent P Guiot, Reunan P Guillou, Loïc M Déjardin
OBJECTIVE: To describe and prospectively report outcomes associated with a novel minimally invasive percutaneous osteosynthesis (MIPO) technique for the treatment of humeral fractures in dogs and cats. STUDY DESIGN: Prospective clinical case series. ANIMALS: Eleven dogs and 4 cats with traumatic nonarticular humeral fractures. METHODS: Dogs and cats that presented with traumatic humeral fractures were enrolled in the study...
November 16, 2018: Veterinary Surgery: VS
Jiandong Wang, Lei Cao, Jianhong Wu, Qiugen Wang, Chun Bi
PURPOSE: Pubic symphysis diastasis with an incidence of approximately 20% in pelvic fractures is a severe lesion which needs to be treated properly. The objective of this retrospective study was to describe and evaluate the clinical and radiological outcomes including its advantages and limitations of this modified minimal invasive technique. METHODS: Totally 29 patients with pubic symphysis diastasis, with or without posterior ring instability, were treated by modified pedicle screw-rod fixation (modified PSRF) between January 2010 and December 2016...
November 15, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
Tahir A Dar, Shabir A Dhar, Naseer A Mir, Saheel Maajid, Reyaz A Dar, Abid Hussain
The infected non union of the long bones in the presence of the intramedullary nail is a dreaded complication of fracture management. Around 7% patients may develop an infected non union of the long bones in intramedullary nailing. Amongst the various grades of infection, grade three infection is the most difficult to cure and manage as it involves an osteomyelitic bone. Amongst an array of therapeutic modalities, the two stage methods are commonly used with the first stage aimed at controlling the infection and the second stage at inducing union...
December 2017: Acta Orthopaedica Belgica
K L Popp, C Xu, A Yuan, J M Hughes, G Unnikrishnan, J Reifman, M L Bouxsein
Lower fracture rates in Black men and women compared to their White counterparts are incompletely understood. High-resolution imaging specific to trabecular bone may provide insight. Black participants have enhanced trabecular morphology. These differences may contribute to the lower fracture risk in Black versus White individuals. INTRODUCTION: Lower fracture rates in Black men and women compared to their White counterparts may be explained by favorable bone microstructure in Black individuals...
November 5, 2018: Osteoporosis International
Chester J Donnally, Karthik Madhavan, Julian G Lugo-Pico, Lee Onn Chieng, Steven Vanni
BACKGROUND: It is agreed that surgical stabilization of thoracic spine fractures is recommended for unstable patterns, yet much debate exists regarding the best approach for reduction. We sought to report outcomes on a novel method for stabilization of a fish mouth thoracic spine fracture. METHODS: A retrospective patient chart review was conducted. Data collected included blood loss, operative time, length of stay, perioperative complications, neurologic deficits, and secondary procedures...
October 31, 2018: World Neurosurgery
X P Zhang, Y S Liu, X L Ma, Z H Sun, S Wang, H Li, T Zhang
Objective: To evaluate the effect of computer-assisted design based on three-dimensional reconstruction technique on the reduction accuracy of tibial and fibular fractures with Taylor external fixation. Methods: A retrospective review was conducted on the clinical data of 69 patients who had tibia and fibula fractures treated with Taylor external fixation in department of orthopedic trauma of Tianjin Hospital from January 2016 to January 2018 to compare the residual deformity after fracture reduction between computer-assisted design method (experimental group) and the standard measurement method (control group)...
October 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
Charles H Crawford, Steven D Glassman, Leah Y Carreon, Christopher I Shaffrey, Tyler R Koski, Christine R Baldus, Keith H Bridwell
STUDY DESIGN: Longitudinal cohort. OBJECTIVE: To report on the prevalence and indications for unplanned reoperations following index surgery in the Adult Symptomatic Lumbar Scoliosis NIH-sponsored Clinical Trial. SUMMARY OF BACKGROUND DATA: Reoperation following adult spinal deformity surgery exposes the patient to additional surgical risk, increases the cost of care, and decreases the potential cost-effectiveness of the intervention. Accurate data regarding the prevalence and indication for reoperation will facilitate future efforts to minimize risk...
November 2018: Spine Deformity
Asad Rizvi, Joe Iwanaga, Rod J Oskouian, Marios Loukas, R Shane Tubbs
Wormian bones are formed due to abnormal ossification centers in various locations in the skull. Genetic and/or environmental factors have been proposed to explain their formation. These bones can be normal anatomical variants or associated with a number of pathological conditions. The literature reports the most common locations of these bones as the cranial sutures, and reports of the presence of these bones in the orbit are rare. Clinically, these bones in the orbit can simulate fractures on imaging or can dislodge during surgery causing injury to the surrounding structures...
August 7, 2018: Curēus
Da-Geng Huang, Xin-Liang Zhang, Ding-Jun Hao, Bao-Rong He, Xiao-Dong Wang, Tuan-Jiang Liu
BACKGROUND: In theory, temporary posterior atlantoaxial screw-rod fixation for type II odontoid fractures is a way to preserve rotatory motion. However, the healing rate of type II odontoid fractures treated in this way is unknown; that is, the risk associated with conducting a temporary screw-rod fixation for type II odontoid fractures is unknown. This study investigates the healing rate of type II odontoid fractures treated with posterior atlantoaxial screw-rod fixation by CT imaging and evaluates the feasibility of conducting a temporary screw-rod fixation for type II odontoid fractures...
October 17, 2018: Journal of the American Academy of Orthopaedic Surgeons
Mahmood Ali Arbash, Ashik Mohsin Parambathkandi, Abdul Moeen Baco, Abduljabbar Alhammoud
Study Design: Retrospective review. Purpose: To detect the effect of cannulated (poly-axial head) and solid (mono-axial head) screws on the local kyphotic angle, vertebral body height, and superior and inferior angles between the screw and the rod in the surgical management of thoracolumbar fractures. Overview of Literature: Biomechanics studies showed that the ultimate load, yield strength, and cycles to failure were significantly lower with cannulated (poly-axial head) pedicle comparing to solid core (mono-axial head)...
October 16, 2018: Asian Spine Journal
Ross Coomber, D'Jon Lopez, Andrew D Carrothers
A 59-year-old man presented with hip pain secondary to metastatic prostate carcinoma affecting multiple sites, including his left acetabulum. The patient's prognosis was good, he was active, independent, with a good quality of life, so was offered surgical reconstruction. The Harrington method involves passing metal rods from the ileum to the ischium and pubis to create a scaffold for hip replacement. This is the gold standard for reconstruction of acetabular metastatic defects. However, this method is prone to failure by medialisation of the construct in the long term...
October 2, 2018: BMJ Case Reports
Wei Wang, Zhijun Li, Yingna Qi, Lianxiang Chen, Ping Yi, Feng Yang, Xiangsheng Tang, Mingsheng Tan
INTRODUCTION: Odontoid fractures easily lead to instability, causing spinal cord injury. The aim of this study was to measure and analyze the micro-architecture and morphometric parameters of the normal odontoid with high-resolution three-dimensional (3D) micro-computed tomography (micro-CT). METHODS: Micro-CT scans were obtained from five normal odontoid processes. The scanned data were reconstructed with micro-CT software, and the nutrient foramina and the ossification center of the base of the odontoid were revealed...
October 2, 2018: Journal of Spinal Cord Medicine
Abdulhafez Selim, Sarah Mercer, Feng Tang
Background: The purpose of this systematic review is to evaluate the safety and effectiveness of polyetheretherketone (PEEK) rod systems in patients receiving lumbar interbody fusion treatment. Meta-analyses of relevant clinical data were also conducted when possible. Methods: Relevant studies were identified by searching the PubMed, EMBASE, and Cochrane Library databases. Clinical studies evaluating the safety and/or effectiveness of the PEEK rod spinal stabilization system in patients receiving lumbar spinal fusion procedure were included...
April 2018: International Journal of Spine Surgery
Petar Milovanovic, Marko Stojanovic, Djordje Antonijevic, Aleksandar Cirovic, Miroslav Radenkovic, Marija Djuric
AIMS: Bony complications of diabetes mellitus (DM) are still insufficiently understood. Our aims were to analyze the individual and combined effects of chronic hyperglycemia and nicotine exposure on the femoral trabecular and cortical microarchitecture on a rat experimental model. MAIN METHODS: The micro-computed tomography based bone microstructural evaluation was performed on male Wistar rats divided into four groups: control (n = 7), experimentally-induced DM (n = 8), chronically exposed to nicotine (n = 9) and the DM group exposed chronically to nicotine (n = 9)...
November 1, 2018: Life Sciences
Bertrand Vedrine, Fabien Gérard
OBJECTIVE:  This study evaluated retrospectively the effectiveness of the veterinary cuttable plate (VCP) in a plate-rod construct, for the treatment of diaphyseal femoral fractures in cats. MATERIALS AND METHODS:  A total of 29 cats with diaphyseal femoral fracture underwent stabilization with a VCP-rod construct. RESULTS:  Fractures were classified as type A (7/29), type B (11/29) and type C (11/29) following the AO classification...
November 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
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