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Pelvic fixation

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https://www.readbyqxmd.com/read/28708777/intraoperative-topical-antibiotics-for-infection-prophylaxis-in-pelvic-and-acetabular-surgery
#1
Matthew T Owen, Emily M Keener, Zane B Hyde, Reaves M Crabtree, Parke W Hudson, Russell L Griffin, Jason A Lowe
OBJECTIVES: Determine if topical vancomycin and tobramycin powder reduces the incidence of surgical site infection (SSI) following pelvic ring and acetabulum fracture surgery. DESIGN: Retrospective cohort study SETTING:: University of Alabama at Birmingham, Academic Level I Trauma Center PATIENTS/PARTICIPANTS:: 219 patients (140 meeting inclusion criteria) with pelvic and acetabular fractures who underwent open reduction and internal fixation (ORIF) from March 2012 to November 2013...
June 26, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28707131/posterior-locked-lateral-compression-injury-of-the-pelvis-in-geriatric-patients-an-infrequent-and-specific-variant-of-the-fragility-fracture-of-pelvis
#2
Se-Won Lee, Weon-Yoo Kim, Sung-Jun Koh, Young-Yul Kim
INTRODUCTION: Posterior locked lateral compression injury (PLLCI) of the pelvic ring is an infrequent variant of lateral compression injury, a condition described in only eight reported cases since 2000. Lateral compression injury usually results from high-energy trauma and is characterized by locking between the medially translated fractured ilium and the anterior border of the sacrum, regardless of whether the fractured ilium involves the sacroiliac joint. However, in our experience, lateral compression injury can also result from low-energy trauma as a manifestation of pelvic fragility fracture...
July 13, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28701825/role-of-cell-block-in-cytopathologic-evaluation-of-image-guided-fine-needle-aspiration-cytology
#3
Elizabath P Mathew, Vijayalakshmi Nair
CONTEXT: Fine needle aspiration cytology (FNAC) of superficial or deep-seated lesion is an increasingly common practice, eliminating time consuming and costly diagnostic procedures and providing rapid and safe diagnosis. AIMS: To assess utility of cell block preparation method in increasing sensitivity of cytodiagnosis in deep-seated image-guided FNACs. SETTINGS AND DESIGN: This was a hospital-based observational study conducted in the Department of Pathology, over a period of one and a half years...
July 2017: Journal of Cytology
https://www.readbyqxmd.com/read/28698756/treatment-of-decubitis-ulcer-stage-iv-in-the-patient-with-polytrauma-and-vertical-share-pelvic-fracture-diagnosed-entherocollitis-and-deep-wound-infection-with-clostridium-difficile-with-combined-negative-pressure-wound-therapy-npwt-and-faecal-management-system
#4
Slavcho Stojmenski, Igor Merdzanovski, Andrej Gavrilovski, Sofija Pejkova, Gjorge Dzokic, Smilja Tudzarova
AIM: The aim of this paper was to present a case with the successful treatment of decubitis ulcer stage IV in the patient with polytrauma and vertical share pelvic fracture and diagnosed entherocollitis combined with deep wound infection with Clostridium difficile treated with combined Negative Pressure Wound Therapy (NPWT) and faecal management system. CASE REPORT: Patient D.S.1967 treated on Traumatology Clinic after tentamen suicide on 9.2.2015 with diagnosis: brain contusion; contusion of thoracal space; vertical share pelvic fracture; open fracture type II of the right calcaneus; fracture of the left calcaneus; fracture on the typical place of the left radius; fracture of the right radius with dislocation...
June 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28689459/biomechanical-comparison-of-supraacetabular-external-fixation-and-anterior-pelvic-bridge-plating
#5
Ali Turgay Çavuşoğlu, Fatma Kübra Erbay, Mehmet Hakan Özsoy, Teyfik Demir
Unstable pelvic ring injuries are complex and risky injuries due to high morbidity and mortality. Although anterior pelvic external fixator is a suitable method for rapid stabilization of an injured pelvic ring, due to some disadvantages such as high complication rate, nerve damage, and difficulties of patient's mobility and comfort, there has recently been increased searching for alternative methods for stabilization of the pelvic ring. Pubic symphysis zone freely moves in pelvic models. This study aims to evaluate the biomechanical stability of anterior pelvic bridge plating and compare it with supraacetabular external fixators in an untreated unstable pelvic fracture model...
July 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28688061/new-method-for-correction-of-lumbo-sacral-kyphosis-deformity-in-patient-with-high-pelvic-incidence
#6
Marcin Czyz, Stephen Forster, James Holton, Babak Shariati, David J Clarkson, Bronek M Boszczyk
STUDY DESIGN: Technical note. OBJECTIVE: We describe a novel technique of bilateral longitudinal sacral osteotomy allowing direct reduction of high pelvic incidence (PI) and correction of sagittal imbalance. METHODS: A 25-year-old female patient presented with a disabling lumbo-sacral kyphosis fused in situ through previous operations with residual low-grade wound infection and grade IV L5/S1 spondylolisthesis with severity index (SI) of 65%...
July 7, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28684347/the-adult-deformity-surgery-complexity-index-adsci-a-valid-tool-to-quantify-the-complexity-of-posterior-adult-spinal-deformity-surgery-and-predict-postoperative-complications
#7
Ferran Pellisé, Alba Vila-Casademunt, Susana Núñez-Pereira, Montse Domingo-Sàbat, Juan Bagó, Xavier Vidal, Ahmet Alanay, Emre Acaroglu, Frank Kleinstück, Ibrahim Obeid, Francisco J S Pérez-Grueso, Virginie Lafage, Shay Bess, Christopher Ames, Anne F Mannion
BACKGROUND CONTEXT: In 2008, Mirza et al. designed and validated the first and only index capable of quantifying the complexity of spine surgery. However, this index is not fully applicable to adult spinal deformity (ASD) surgery, since it does not include the surgical techniques most commonly used and most strongly associated with perioperative complications in ASD patients. PURPOSE: The objective of this study is to develop an "Adult Deformity Surgery Complexity Index" (ADSCI), to quantify objectively the complexity of the ASD posterior surgery...
July 3, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28681229/late-reconstruction-of-severe-open-book-deformities-of-the-pelvis-tips-and-tricks
#8
Christian Fang, Hatem Alabdulrahman, Roman Pfeifer, Ivan S Tarkin, Hans-Christoph Pape
BACKGROUND: The primary goal of treatment for open book pelvic injuries after high-energy trauma is to control haemorrhage and to close the pelvic ring anatomically. Less commonly, patients may present late with malunion or non-union. METHODS: We reviewed five operatively treated patients with delayed severe open book deformities who had a diastasis of more than 6 cm. We describe the pre-operative workup, surgical strategy and challenges experienced. They specifically include: extensive scar and contracture formation, malunion, urogenital prolapse and difficult reduction of vertical shear element...
July 5, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28680729/long-iliac-screw-fixation-in-a-case-of-isthmic-spondyloptosis
#9
Marcelo D Vilela, Bruno P Braga, Hugo A S Pedrosa
BACKGROUND: We report the case of a patient with a spondyloptosis who presented with progressive deformity and worsening neurological deficits. The patient had two previous lumbosacral instrumented fusions. CASE DESCRIPTION: A salvage revision surgery was performed, in which long iliac screws along with anterior column support at L5-S1 were used to immobilize the lumbosacral junction. Two years after the procedure a solid fusion is seen along with marked neurological improvement...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28662423/biomechanical-research-on-contour-cage-with-transacetabular-screws-fixation-in-revision-total-hip-arthroplasty
#10
Haobo Wu, Chiyuan Ma, Jisheng Ran, Danfeng Xu, An Liu, Miao Sun, Lidong Wu, Shigui Yan
BACKGROUND: Use biomechanical technique to access the strain distribution and stability of Contour anti-protrusion cage with or without the whole circumference acetabular cup fixation by the transacetabular screws. METHODS: Pelvic specimens from 10 male cadavers were used for the biomechanical test. The models of type C bone defect were copied according to the AAOS classification. Group 1: the contour reconstruction ring was fixed only by flange screws; Group 2: the contour reconstruction ring was fixed both by flange screws and transacetabular screws in dome...
June 21, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28661263/minimally-invasive-treatment-of-unstable-pelvic-ring-injuries-with-modified-pedicle-screw-rod-fixator
#11
Xiao-Tian Wu, Zuo-Qing Liu, Wen-Qin Fu, Shan Zhao
Objective To evaluate the clinical application of the minimally invasive modified pedicle screw-rod fixator for unstable pelvic ring injuries, including its feasibility, merits, and limitations. Methods Twenty-three patients (13 males, 10 females; average age, 36.3 years) with unstable pelvic ring injuries underwent anterior fixation using a modified pedicle screw-rod fixator with or without posterior fixation using a transiliac internal fixator. The clinical findings were assessed using Majeed scores. The quality of reduction was evaluated using the Matta criteria...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28660437/optimization-of-technique-for-insertion-of-implants-at-the-supra-acetabular-corridor-in-pelvis-and-acetabular-surgery
#12
Theodoros H Tosounidis, Cyril Mauffrey, Peter V Giannoudis
The technique for application of implants at the sciatic buttress has been well described in the pelvic and acetabular fracture reconstruction literature. We described a new use of the inlet-obturator oblique view for the identification of the anterior inferior iliac spine, which is the entry point of implants, and we provide a detailed fluoroscopic and radiographic description of this view. A small series of 15 patients who underwent an application of an anterior inferior pelvic external (supra-acetabular) fixator via this technique is presented...
June 28, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28653611/interval-versus-external-fixation-for-the-treatment-of-pelvic-fractures-a-comparative-study
#13
Xianping Ma, Xudong Zheng, Wei Zhao, Zifeng Lu, Lei Xu, Yi Liu, Zhongcai Liu
PURPOSE: This retrospective study evaluated the efficacy and safety of internal fixation (IF) in the treatment of pelvic fractures (PF). METHODS: A total of 263 unstable PF patients were treated from February 2009 to April 2015. Patients were divided into two groups according to type of fixation used to treat their PF: 136 cases received IF surgery (IF group); and, 127 cases received external fixation (EF) surgery (EF group). Postoperative follow-ups were conducted to record the clinical data, perioperative clinical indicators, Matta scores for fracture displacements, Majeed scores for hip functions and postoperative complications...
June 26, 2017: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/28652953/a-robust-and-affordable-table-indexing-approach-for-multi-isocenter-dosimetrically-matched-fields
#14
Amy Yu, Benjamin Fahimian, Lynn Million, Annie Hsu
Purpose  Radiotherapy treatment planning of extended volume typically necessitates the utilization of multiple field isocenters and abutting dosimetrically matched fields in order to enable coverage beyond the field size limits. A common example includes total lymphoid irradiation (TLI) treatments, which are conventionally planned using dosimetric matching of the mantle, para-aortic/spleen, and pelvic fields. Due to the large irradiated volume and system limitations, such as field size and couch extension, a combination of couch shifts and sliding of patients are necessary to be correctly executed for accurate delivery of the plan...
May 23, 2017: Curēus
https://www.readbyqxmd.com/read/28650881/intraoperative-radiographic-technique-for-visualization-of-bicortical-or-tricortical-anteromedial-sacral-screw-placement
#15
Nikhil Jain, Elizabeth Yu
The bicortical anteromedial sacral screw trajectory is the most widely used for S1 screw fixation. The assessment of anterior cortex purchase is difficult on a lateral view due to the overlapping bony anatomy of the sacrum and pelvis. We describe the intraoperative radiographic technique for a personalized pelvic inlet view that is perpendicular to the superior sacral surface to visualize sacral screw placement. This technique allows for assessment of anterior cortex purchase with anteromedial angulation in the same view...
June 23, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28647958/-prospective-cohort-study-on-the-outcomes-of-sacrospinous-ligament-fixation-using-conventional-instruments-in-treating-stage-%C3%A2-%C3%A2-pelvic-organ-prolapse
#16
C Ren, X C Song, L Zhu, F F Ai, H H Shi, Z J Sun, J Chen, J H Lang
Objective: To evaluate the medium and long term safety and efficacy of sacrospinous ligament fixation (SSLF) performed with conventional instruments in treating stage Ⅲ-Ⅳ pelvic organ prolapse (POP). Methods: A prospective cohort analysis was conducted in the Peking Union Medical College Hospital, between May 2007 and June 2015, enrolling 55 women with stage Ⅲ-Ⅳ POP who intended to receive SSLF. Primary end points were objective success rates using pelvic organ prolapse quantitation system (POP-Q) and subjective satisfaction rates with questionnaires after surgery according to vaginal examination and related questionnaires for all patients who received SSLF eventually...
June 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28645850/biomechanical-analysis-using-fea-and-experiments-of-a-standard-plate-method-versus-three-cable-methods-for-fixing-acetabular-fractures-with-simultaneous-tha
#17
Mina S R Aziz, Omar Dessouki, Saeid Samiezadeh, Habiba Bougherara, Emil H Schemitsch, Radovan Zdero
Acetabular fractures potentially account for up to half of all pelvic fractures, while pelvic fractures potentially account for over one-tenth of all human bone fractures. This is the first biomechanical study to assess acetabular fracture fixation using plates versus cables in the presence of a total hip arthroplasty, as done for the elderly. In Phase 1, finite element (FE) models compared a standard plate method versus 3 cable methods for repairing an acetabular fracture (type: anterior column plus posterior hemi-transverse) subjected to a physiological-type compressive load of 2207N representing 3 x body weight for a 75kg person during walking...
August 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28644123/pin-malposition-in-external-fixator-stabilization-of-combat-related-pelvic-fractures
#18
Mark P Coseo, Dustin J Schuett, Kevin M Kuhn, Joseph Bellamy
The purpose of this study was to compare the accuracy of pin placement in patients with unstable pelvic fractures undergoing either iliac crest or supra-acetabular external fixation. A retrospective review was performed of computed tomography (CT) scans and injury characteristics for all patients presenting to a North Atlantic Treaty Organization Medical Treatment Facility with data entered into the Department of Defense Trauma Registry from January 2008 to October 2013 who underwent pelvic external fixation for unstable pelvic ring injuries...
2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/28632658/the-retrograde-antegrade-retrograde-technique-for-successful-placement-of-a-retrograde-superior-ramus-screw
#19
David J Weatherby, Milton L Chip Routt, Jonathan G Eastman
Stabilization of pelvic ring injuries and certain acetabular fractures using percutaneous techniques is becoming increasingly more common. Intramedullary superior ramus screw fixation is beneficial in both injury types. While implants can be placed in an antegrade or retrograde direction, parasymphyseal ramus fractures benefit from retrograde implant insertion. In some patients, the parabolic osseous anatomy or obstructing soft tissues of the anterior pelvis or thigh can prevent appropriate hand and instrumentation positioning for appropriate retrograde ramus screw insertion through the entire osseous fixation pathway...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28631069/-s2-ala-iliac-screws-for-extended-pelvic-fixation-in-longer-lumbar-instrumentations-description-of-a-freehand-technique
#20
REVIEW
F Lattig, S Weckbach
OBJECTIVE: To reduce the rate of implant failures at the lumbosacral junction in polysegmental lumbar fusions. INDICATIONS: Spinal fusion with deformity correction including L5/S1, revision surgery for pseudoarthrosis L5/S1, screw pull-out and pedicle fractures in S1, and S1/S2 fractures after polysegmental fusions. CONTRAINDICATIONS: Osteosynthesis of complex pelvic ring fractures, tumors of the ilium. Relative contraindication: infection, to avoid contamination of the iliosacral joint...
June 19, 2017: Operative Orthopädie und Traumatologie
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