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Sacroiliac screws

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https://www.readbyqxmd.com/read/29553943/the-accurate-free-hand-placement-of-s2-alar-iliac-s2ai-screw
#1
Taolin Fang, Glenn S Russo, Gregory D Schroeder, Christopher K Kepler
Achieving an osseous fusion across the lumbosacral spine is still challenging in spine surgery. For the long multisegmental fusion surgery, it is crucial to build a robust and substantial foundation, which sometimes necessitates the distal spinal fixation to the pelvis. The pelvic fixation technique involves advancing the screw through the alar, thereby providing more purchase across the sacroiliac joint and into the ilium. The S2 alar iliac screws can obtain immediate stability and proper biomechanical strength of constructs...
March 16, 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29534414/-three-dimensional-computed-tomography-analysis-and-clinical-application-of-sacroiliac-screw-placement
#2
Y C Yin, R P Zhang, S L Li, Z Y Hou, W Chen, Y Z Zhang
Objective: To evaluate the possibility of transverse sacroiliac screw placement in different segments of the sacrum. Methods: Data of 80 pelvic CT scans (slice thickness ≤1.0 mm) archived in CT department of the Third Hospital of Hebei Medical University from September 2016 to October 2017 were retrospectively collected. Mimics software was used to rebuild the pelvis three-dimensional model. According to whether the sacral 1(S(1)) segment could place the transverse sacroiliac screws or not, all the sacrums were divided into normal group ( n =55) and dysmorphic group ( n =25)...
March 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29424159/-minimally-invasive-internal-fixation-of-pelvic-ring-for-type-c-pelvic-fracture
#3
Chun-Hui Tang, Gao-Wen Yao, Lin Wang, Hong-Liang Tu, Wei Luo
OBJECTIVE: To evaluate the feasibility of minimally invasive internal fixation of pelvic anterior and posterior ring for the treatment of type C pelvic fracture, and to explore its operative techniques and therapeutic efficacy. METHODS: From December 2010 to December 2015, 18 patients with type C pelvic fracture were treated by reconstructive plates fixation through minimally invasive ilioinguinal approach for pelvic anterior ring injuries, and by invasive percutaneous sacroiliac joint screw fixation for pelvic posterior ring injuries...
July 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29397629/-comparison-of-clinical-outcome-between-utilized-second-sacral-alar-iliac-and-iliac-screw-on-kyphoscoliosis-patients
#4
Z Liu, C C Tseng, Z H Zhao, J Li, B Wang, Y Yu, B P Qian, X Sun, Y Qiu, Z Z Zhu
Objective: To compare the clinical outcome and health related quality of life(HRQoL)of patients with degenerative spinal deformity who underwent spino-pelvic fixation utilized second sacral alar-iliac(S(2)AI)with patient utilized traditional iliac screw(IS). Methods: Patients diagnosed as degenerative spinal deformity who underwent spino-pelvic fixation utilized either S(2)AI screw or Iliac screw at Department of Spine Surgery of Drum Tower hospital from January 2013 to January 2016 were retrospectively analyzed...
February 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29373455/routine-postoperative-computed-tomography-scans-after-pelvic-fracture-fixation-a-necessity-or-a-luxury
#5
Walid A Elnahal, Niraj Vetharajan, Bashir Mohamed, Mehool Acharya, Timothy J S Chesser, Anthony J Ward
INTRODUCTION: There is no consensus regarding the postoperative radiology imaging protocol after pelvic fracture surgery. Some institutes routinely scan all patients after their surgery, others do not. The aim of this study was to assess the value of routine use of computed tomography (CT) scans after pelvic fracture surgery and to determine the sensitivity of conventional plain radiographs and intraoperative fluoroscopy in detecting metalwork malposition. PATIENTS AND METHODS: The radiographs and clinical notes of patients undergoing pelvic fracture surgery in the period between January 2010 and December 2015 were reviewed...
February 2018: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29373447/does-posterior-fixation-of-partially-unstable-open-book-pelvic-ring-injuries-decrease-symphyseal-plate-failure-a-biomechanical-study
#6
Rachelle M Metz, J Gary Bledsoe, Berton R Moed
OBJECTIVE: Recent clinical study suggests an advantage to adding an iliosacral screw to the anterior fixation construct for anteroposterior compression type-2 (OTA/AO type 61-B1), partially unstable open-book pelvic ring injuries. Others have described stress examination to determine any required supplemental fixation. However, biomechanical studies investigating iliosacral fixation requirements for this injury are lacking. Our objective was to determine whether adding an iliosacral screw to symphyseal plate fixation decreases displacement in a well-defined open-book pelvic ring injury model...
February 2018: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29354757/obstructed-spinopelvic-fixation-in-the-setting-of-a-triangular-titanium-sacroiliac-fusion-implant-a-case-description
#7
Joseph L Laratta, James D Lin, Jamal N Shillingford, Nathan E Hardy, Hemant Reddy, Ronald A Lehman
Achieving lumbosacral fusion through spinopelvic fixation is an important and challenging aspect of spinal deformity surgery. Numerous instrumentation techniques are available, with iliac screws and S2-alar-iliac (SRAI) screws being most commonly used today. However, the increasing popularity of minimally invasive sacroiliac (SI) fusion as a common procedure performed for SI joint pain presents a distinct challenge in complex adult deformity cases requiring iliac screw fixation. We report a case of a 71-year-old female with a longstanding history of spinal deformity status-post T11-L5 fusion and a subsequent right-sided SI joint fusion who presented with sagittal imbalance...
December 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29354238/freehand-s2-alar-iliac-screw-placement-using-k-wire-and-cannulated-screw-technical-case-series
#8
Ho Yong Choi, Seung-Jae Hyun, Ki-Jeong Kim, Tae-Ahn Jahng, Hyun-Jib Kim
Objective: Among the various sacropelvic fixation methods, S2 alar-iliac (S2AI) screw fixation has several advantages compared to conventional iliac wing screw. However, the placement of S2AI screw still remains a challenge. The purpose of this study was to describe a novel technique of free hand S2AI screw insertion using a K-wire and cannulated screw, and to evaluate the accuracy of the technique. Methods: S2AI screw was inserted by free hand technique in sixteen consecutive patients without any fluoroscopic guidance...
January 2018: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29349955/-clinical-application-of-percutaneous-iliosacral-screws-combined-with-pubic-ramus-screws-in-tile-b-pelvic-fracture
#9
Qi-Fei Xu, Kui-Ran Lin, Dai-Jie Zhao, Song-Qin Zhang, Sheng-Kai Feng, Chen Li
OBJECTIVE: To investigate the application and effect of minimally invasive percutaneous anterior pelvic pubic ramus screw fixation in Tile B fractures. METHODS: A retrospective review was conducted on 56 patients with posterior pelvic ring injury combined with fractures of anterior pubic and ischiadic ramus treated between May 2010 and August 2015, including 31 males and 25 females with an average age of 36.8 years old ranging from 35 to 65 years old. Based on the Tile classification, there were 13 cases of Tile B1 type, 28 cases of Tile B2 type and 15 cases of Tile B3 type...
March 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29347992/anatomical-relation-between-s1-sacroiliac-screws-entrance-points-and-superior-gluteal-artery
#10
Yong Zhao, Libo You, Wei Lian, Dexin Zou, Shengjie Dong, Tao Sun, Shudong Zhang, Dan Wang, Jingning Li, Wenliang Li, Yuchi Zhao
BACKGROUND: To conduct radiologic anatomical study on the relation between S1 sacroiliac screws' entry points and the route of the pelvic outer superior gluteal artery branches with the aim to provide the anatomical basis and technical reference for the avoidance of damage to the superior gluteal artery during the horizontal sacroiliac screw placement. METHODS: Superior gluteal artery CTA (CT angiography) vascular imaging of 74 healthy adults (37 women and 37 men) was done with 128-slice spiral CT (computed tomography)...
January 18, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29347832/wire-placement-in-the-sustentaculum-tali-using-a-2d-projection-based-software-application-for-mobile-c-arms-cadaveric-study
#11
Benedict Swartman, Dirk Frere, Wei Wei, Marc Schnetzke, Stephan Grechenig, Amir Matityahu, Nils Beisemann, Holger Keil, Jochen Franke, Paul Alfred Grützner, Sven Yves Vetter
BACKGROUND: Indirect screw fixation of the sustentaculum tali in the lateral-medial direction can be challenging due to the complex calcaneal anatomy. A novel 2-dimensional (2D) projection-based software application detects Kirschner wires (K-wires) and visualizes their intended direction as a colored trajectory. The aim of this prospectively randomized cadaver study was to investigate whether the software would facilitate the indirect K-wire placement in the sustentaculum tali. METHODS: In 20 cadaver foot specimens, K-wires were placed indirectly in the sustentaculum tali by an experienced and an inexperienced surgeon, with and without using the application...
April 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29325192/single-transsacral-screw-and-nut-stabilization-of-bilateral-sacroiliac-luxation-in-20-cats
#12
Andrea Pratesi, James M Grierson, Andrew P Moores
OBJECTIVE:  This article aims to describe the use of a single transsacral screw and nut in a cohort of cats with bilateral sacroiliac (SI) luxation and document its radiographic and clinical outcome. METHODS:  Medical records and radiographic studies of cats with bilateral SI luxation managed with a transsacral screw and nut stabilization were reviewed. Short-term follow-up included clinical examination and radiographs. Long-term follow-up was via owner questionnaire...
January 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29322211/-within-ring-based-sacroiliac-rod-fixation-may-overcome-the-weakness-of-spinopelvic-fixation-for-unstable-pelvic-ring-injuries-technical-notes-and-clinical-outcomes
#13
Kentaro Futamura, Tomonori Baba, Atsuhiko Mogami, Akio Kanda, Osamu Obayashi, Hideaki Iwase, Kazuo Kaneko
PURPOSE: Spinopelvic fixation and triangular osteosynthesis give firm internal fixation for unstable pelvic ring injuries (UPRI), but with sacrifice of mobility of the lumbar spine. Here, we describe the procedure and outcomes of a new approach, which we refer to as "within ring"-based sacroiliac rod fixation (SIRF). METHODS: The patient was placed in a prone position and longitudinal skin incisions were made at the medial margins of the bilateral posterior superior iliac spines (PSIS)...
January 10, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29285403/sacroiliac-stabilization-for-sacral-metastasis-a-case-series
#14
Morenikeji A Buraimoh, Charles C Yu, Michael P Mott, Gregory P Graziano
Background: The sacrum is a rare location for spinal metastasis. These lesions are typically large and destructive by the time of diagnosis, making treatment difficult. When indicated, surgical stabilization offers pain relief and preserves independence in patients with impending and acute pathological sacral fractures. Case Description: Three consecutive patients presented with sacral metastases. After either failing radiation therapy or presenting with acute fracture and instability, the patients underwent intralesional excision, bilateral L4 to ilium fusion with instrumentation, and sacroiliac (SI) screw fixation...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29284149/percutaneous-sacroiliac-screw-versus-anterior-plating-for-sacroiliac-joint-disruption-a-retrospective-cohort-study
#15
Ruipeng Zhang, Yingchao Yin, Shilun Li, Zhiyong Hou, Lin Jin, Yingze Zhang
BACKGROUND: Sacroiliac joint disruption (SJD) is a common cause of pelvic ring instability. Clinically, percutaneous unilateral S1 sacroiliac screw and anterior plating are always applied to manage SJD. The objective of this study is to elaborate their respective therapeutic traits. MATERIALS AND METHODS: Patients with SJD fixed with unilateral S1 sacroiliac screw or anterior plating from June 2011 to June 2015 were recruited into this study and were divided into two groups: group A (unilateral sacroiliac screw) and group B (anterior plating)...
February 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29238871/minimally-invasive-stabilisation-of-posterior-pelvic-ring-instabilities-with-pedicle-screws-connected-to-a-transverse-rod
#16
Hu Wang, Ya-Hui Fu, Chao Ke, Yan Zhuang, Kun Zhang, Xing Wei, Zhong Li, Jin-Lai Lei, Bin-Fei Zhang, Ping Liu
PURPOSE: The goal was to evaluate the clinical outcomes, quality of reduction and complications of pelvic fractures treated by minimally invasive stabilisation of posterior pelvic ring instabilities with pedicle screws connected to a transverse rod. METHODS: Retrospective analysis of prospectively collected data in a consecutive patient series with pelvic fractures treated by minimally invasive stabilisation of posterior pelvic ring instabilities with pedicle screws between January 2010 and January 2016...
March 2018: International Orthopaedics
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
#17
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
https://www.readbyqxmd.com/read/29193227/minimally-invasive-lag-screw-fixation-of-sacroiliac-luxation-fracture-using-a-dedicated-novel-instrument-system-apparatus-and-technique-description
#18
Loïc M Déjardin, Albane H Fauron, Laurent P Guiot, Reunan P Guillou
OBJECTIVE: To describe a novel Sacroiliac Luxation Instrument System (SILIS™) and its application in minimally invasive osteosynthesis (MIO) of sacroiliac luxations/fractures (SIL/F). The SILIS was designed to provide stable SIL/F reduction and accurate sacral screw placement while reducing personnel exposure to ionizing radiation during intraoperative fluoroscopy. STUDY DESIGN: Descriptive, proof of concept cadaveric study. METHODS: A right SIL and a left SIL/F were created on a Labrador Retriever that had died of natural causes...
January 2018: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/29130657/-comparison-of-uss-combined-with-sacroiliac-screw-and-cmas-iliosacral-fixation-in-the-treatment-of-unstable-sacral-fracture
#19
Liang Li, Zhong Huang, Zhen Tan, Wei-Kun Meng, Qiang Guo, Zhen Zhang, Cheng-Xi Wu, Lei Liu, Fu-Guo Huang, Guang-Lin Wang
OBJECTIVE: To compare the effectiveness of two lumbopelvic fixation procedures for treating unstable sacral fractures. METHODS: The clinical data of 47 patients were treated for unstable sacral fractures in the West China Hospital of Sichuan University from January 2010 to December 2014 were reviewed. Twentytwo patients (28 sides) were treated with USS combined with iliosacral screw (group A),while 25 patients (39 sides) were treated with closed multiaxial screws (CMAS) iliosacral fixation system combined with Posterior Segmental Spinal Fixation system (group B)...
September 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29130655/-efficacy-of-sacroiliac-joint-anterior-approach-with-double-reconstruction-plate-and-computer-assisted-navigation-percutaneous-sacroiliac-screw-for-treating-tile-c1-pelvic-fractures
#20
Zhen Tan, Yue Fang, Hui Zhang, Lei Liu, Zhou Xiang, Gang Zhong, Fu-Guo Huang, Guang-Lin Wang
OBJECTIVE: To compare the efficacy of sacroiliac joint anterior approach with double reconstruction plate and computer assisted navigation percutaneous sacroiliac screw for treating Tile C1 pelvic fractures. METHODS: Fifty patients with pelvic Tile C1 fractures were randomly divided into two groups ( n=25 for each) in the orthopedic department of West China Hospital of Sichuan University from December 2012 to November 2014. Patients in group A were treated by sacroiliac joint dislocation with anterior plate fixation...
September 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
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