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Sacropelvic paper

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By David Bennett Pediatric Orthopaedic Surgeon in the United States
Lotfi Miladi, Maryline Mousny
INTRODUCTION: Several different growing rod techniques have been described in the literature to treat progressive scoliosis in young children. Nevertheless, none of these techniques has shown a real superiority, and the rate of complications remains high. The purpose of this report is to describe an original fusionless method of treatment for this problem. MATERIALS AND METHODS: The 3 hooks-2 screws (H3S2) construct consists of a single 5.5 mm titanium rod with three hooks proximally and two monoaxial pedicle screws distally, and some extra length of rod located distally and/or proximally that can be used for future lengthenings...
July 2014: European Spine Journal
Taiping Wang, Hui Liu, Zhaomin Zheng, Zemin Li, Jianru Wang, Shilabant Sen Shrivastava, Hao Yang
STUDY DESIGN: An in vitro biomechanical study of 3 lumbosacral fixation techniques in human cadaveric lumbar-pelvic spine models. OBJECTIVE: To compare the in vitro biomechanical effect of a novel 4-rod lumbosacral reconstruction technique with conventional techniques in a human cadaveric lumbopelvic model, and to evaluate the benefit of adding supplementary rod fixation. SUMMARY OF BACKGROUND DATA: Spinopelvic fixation involving the sacrum remains a difficult clinical challenge...
July 1, 2013: Spine
Mourad Ould-Slimane, Lotfi Miladi, Marc-Antoine Rousseau, Raphael Bonaccorsi, Yves Catonne, Jean-Yves Lazennec, Hugues Pascal-Moussellard
STUDY DESIGN: Retrospective radiographic and clinical review. OBJECTIVE: To determine the feasibility of iliosacral screw fixation in adult spinal deformations. SUMMARY OF BACKGROUND DATA: Pelvic fixation is one of the most challenging instrumentation problems. The poor bone quality frequently found within the sacrum and the large lumbosacral loads with cantilever pullout forces across this region explain its frequent failure. METHODS: Fourteen adult patients undergoing pelvic fixation using iliosacral screws with a minimal follow-up of 24 months were analyzed for radiographic outcomes...
June 2013: Journal of Spinal Disorders & Techniques
C M A van Zwienen, E W van den Bosch, C J Snijders, G J Kleinrensink, A B van Vugt
OBJECTIVE: To determine the stiffness and strength of various sacroiliac screw fixations to compare different sacroiliac screw techniques. DESIGN: Randomized comparative study on embalmed human pelvises. MATERIALS AND METHODS: In 12 specimens, we created a symphysiolysis and sacral fractures on both sides. Each of these 24 sacral fractures was fixed with 1 of the following methods: 1 sacroiliac screw in the vertebral body of S1, 2 screws convergingly in S1, or 1 screw in S1 and 1 in S2...
October 2004: Journal of Orthopaedic Trauma
L T Miladi, I B Ghanem, M M Draoui, R D Zeller, J F Dubousset
STUDY DESIGN: This was a retrospective review of a consecutive series of patients with neuromuscular spinal deformity who underwent posterior fusion and pelvic fixation using a long construct and an iliosacral screw. OBJECTIVES: To evaluate the risks and benefits of iliosacral screw fixation. SUMMARY OF BACKGROUND DATA: Neuromuscular scoliosis with pelvic obliquity poses one of the most challenging instrumentation problems, mainly because of the poor bone quality frequently found within the sacrum...
August 1, 1997: Spine
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