Acute failure of S2-alar-iliac screw pelvic fixation in adult spinal deformity: novel failure mechanism, case series, and review of the literature

CT Martin, DW Polly, KJ Holton… - … of Neurosurgery: Spine, 2021 - thejns.org
OBJECTIVE Pelvic fixation with S2-alar-iliac (S2AI) screws is an established technique in
adult deformity surgery. The authors' objective was to report the incidence and risk factors for …

Preoperative planning for adult spinal deformity goals: Level selection and alignment goals

J Dalton, A Mohamed, N Akioyamen… - Neurosurgery …, 2023 - neurosurgery.theclinics.com
Spinal alignment is essential to a well-functioning musculoskeletal system. Normal standing
orientation as defined by Dubousset 1 is with the skull positioned roughly over the femoral …

How common is acute pelvic fixation failure after adult spine surgery? A single-center study of 358 patients

NJ Lee, PJ Park, V Puvanesarajah, WE Clifton… - … of Neurosurgery: Spine, 2022 - thejns.org
OBJECTIVE There is a paucity of literature on pelvic fixation failure after adult spine surgery
in the early postoperative period. The purpose of this study was to determine the incidence …

Catastrophic acute failure of pelvic fixation in adult spinal deformity requiring revision surgery: a multicenter review of incidence, failure mechanisms, and risk factors

CT Martin, KJ Holton, BD Elder, JL Fogelson… - … of Neurosurgery: Spine, 2022 - thejns.org
OBJECTIVE There are few prior reports of acute pelvic instrumentation failure in spinal
deformity surgery. The objective of this study was to determine if a previously identified …

Bilateral sacroiliac joint fusion in long constructs using self-harvesting porous S2–alar iliac screws with an integrated tulip: technical considerations and early clinical …

N Alan, KE Lee, JJ Zhou, SH Farber… - Neurosurgical …, 2023 - thejns.org
OBJECTIVE The incidence of sacroiliac joint (SIJ) dysfunction after lumbosacral fusion is
high. Upfront bilateral SIJ fusion using novel fenestrated self-harvesting porous S2–alar iliac …

Multiple points of pelvic fixation: stacked S2-Alar-Iliac Screws (S2AI) or concurrent S2AI and open sacroiliac joint fusion with triangular titanium rod

DW Polly Jr, KJ Holton, PO Soriano… - JBJS Essential …, 2022 - journals.lww.com
Background: Sacropelvic fixation is a continually evolving technique in the treatment of adult
spinal deformity. The 2 most widely utilized techniques are iliac screw fixation and S2-alar …

Caudally directed upper-Instrumented vertebra pedicle screws associated with minimized risk of proximal junctional failure in patients with long posterior spinal fusion …

AB Harris, FN Kebaish, V Puvanesarajah, M Raad… - The Spine Journal, 2021 - Elsevier
BACKGROUND CONTEXT It is unknown whether upper instrumented vertebra (UIV) pedicle
screw trajectory and UIV screw-rod angle are associated with development of proximal …

Relationship between iliac screw loosening and proximal junctional kyphosis after long thoracolumbar instrumented fusion for adult spinal deformity

YH Kim, KY Ha, DG Chang, HY Park, WK Jeon… - European Spine …, 2020 - Springer
Purpose Authors assumed that the stability of iliac screw (IS) fixation could affect the
development of proximal junctional kyphosis (PJK). The purpose of this study was to analyze …

The value of cement augmentation in patients with diminished bone quality undergoing thoracolumbar fusion surgery: A review

JM Kolz, BA Freedman, AN Nassr - Global Spine Journal, 2021 - journals.sagepub.com
Study Design: Systematic review. Objectives: Osteoporosis predisposes patients undergoing
thoracolumbar (TL) fusion to complications and revision surgery. Cement augmentation (CA) …

Sacropelvic Fixation with Porous Fusion/Fixation Screws: A Technical Note and Retrospective Review

NR Hendrickson, JJ Haselhuhn, K Odland… - World Neurosurgery, 2024 - Elsevier
Objective The goal of this study was to analyze our initial experience using a novel porous
fusion/fixation screw (PFFS) for pelvic fixation, and to determine our rate of screw …