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Bilateral dual iliac screw pelvic fixation for adult spinal deformity: a case report of a superior gluteal artery pseudoaneurysm secondary to aberrant iliac screw trajectory
PurposeTo present a case of a pseudoaneurysm of a branch of the left superior gluteal artery (SGA) secondary to lateral wall perforation from an...
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Anatomic trajectory for iliac screw placement adapts better to the morphological features of the pelvis of each individual than the S2 alar iliac screw: a radiological study
PurposeThe iliac fixation (IF) through the S2 ala permits the minimization of implant prominence and tissue dissection. An alternative to this...
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Use of the iliac-outlet and iliac-inlet combined views in percutaneous posterior column retrograde screw fixation
Posterior column fractures are common acetabular injuries. Although displaced fractures require open reduction and fixation, undisplaced patterns may...
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S2 alar-iliac screw versus traditional iliac screw for spinopelvic fixation: a systematic review of comparative biomechanical studies
PurposeTo review and compare biomechanical properties between S2 alar-iliac (S2AI) screws and traditional iliac screws for spinopelvic fixation.
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Connecting the S2 alar-iliac screw head to the satellite rod for surgical correction of degenerative sagittal imbalance
PurposeThe S2AI screw technique has several advantages over the conventional iliac screw fixation technique. However, connecting the S2AI screw head...
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Higher pelvic incidence values are a risk factor for trans-iliac trans-sacral screw malposition in sacroiliac complex fracture treatment
BackgroundPercutaneous iliosacral (IS) screw fixation and trans-iliac trans-sacral (TITS) screw fixation are clinically effective treatments of...
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S2 alar-iliac screws are superior to traditional iliac screws for spinopelvic fixation in adult spinal deformity: a systematic review and meta-analysis
PurposeSpinopelvic fixation (SPF) using traditional iliac screws has provided biomechanical advantages compared to previous constructs, but common...
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Intraoperative imaging and navigated spinopelvic instrumentation: S2-alar-iliac screws combined with tricortical S1 pedicle screw fixation
PurposeThe present study aimed to assess the feasibility, safety and accuracy of navigated spinopelvic fixation with focus on S2-alar-iliac screws...
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Use of iliac screw associated with more correction of lumbar lordosis than S2-alar-iliac screw for adult spinal deformity
BackgroundTo date, there is a paucity of reports clarifying the change of spinopelvic parameters in patients with adult spinal deformity (ASD) who...
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Comparative radiological outcomes and complications of sacral-2-alar iliac screw versus iliac screw for sacropelvic fixation
PurposeTo compare the outcomes of sacropelvic fixation (SPF) using sacral-2-alar iliac (S2AI) screw with SPF using iliac screw (IS).
Methods ...
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Biodegradable magnesium screw, titanium screw and direct embedding fixation in pedicled vascularized iliac bone graft transfer for osteonecrosis of the femoral head: a randomized controlled study
BackgroundThe use of degradable magnesium screws to fix the bone flap implanted in the treatment of femoral head necrosis has achieved preliminary...
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Single position robot-assisted pedicle screw placement with S2-alar-iliac fixation in lateral decubitus: cadaveric feasibility study and early clinical experience
ObjectivesSingle position lateral fusion with robotic assistance eliminates the need for surgical staging while harnessing the precision of robotic...
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Optimization of S2-alar-iliac screw (S2AI) fixation in adult spine deformity using a comprehensive genetic algorithm and finite element model personalized to patient geometry and bone mechanical properties
PurposeTo optimize the biomechanical performance of S2AI screw fixation using a genetic algorithm (GA) and patient-specific finite element analysis...
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S2 alar-iliac screw loosening as a preventive factor for hip joint osteoarthritis after adult spinal deformity surgery: a case–control study
PurposeThis study aimed to evaluate the progression of hip pathology and risk factors after ASD surgery.
MethodsThis case–control study enrolled 123...
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Modified unilateral iliac screw fixation with partial reduction in the treatment of high-grade spondylolisthesis at L5/S1 in adult patients: introduction of key technique, report of clinical outcomes and analysis of spinopelvic parameters
BackgroundManagement of high-grade spondylolisthesis (HGS) remains challenging. Spinopelvic fixation such as iliac screw (IS) was developed to deal...
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S2-alar-iliac screw and S1 pedicle screw fixation for the treatment of non-osteoporotic sacral fractures: a finite element study
BackgroundFive different sacral fracture fixation methods were compared using finite element (FE) analysis to study their biomechanical...
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The lateral entry point S2 alar-iliac (L-S2AI) screw: a preoperative computed tomography analysis of adult spinal deformity patients
PurposeTo radiographically compare lateral entry point S2-alar-iliac (L-S2AI) screw with conventional S2AI (C-S2AI) and conventional iliac screw...
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3D CT modeling demonstrates the anatomic feasibility of S1AI screw trajectory for spinopelvic fixation in neuromuscular scoliosis
PurposeIn patients with neuromuscular scoliosis undergoing posterior spinal fusion, the S2 alar iliac (S2AI) screw trajectory is a safe and effective...
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Robotic-assisted percutaneous iliac screw fixation for destructive lumbosacral metastatic lesions: an early single-institution experience
BackgroundRobotic-assisted surgery is becoming more widely applied in surgical subspecialties due to its intraoperative and postoperative advantages...
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Tear-drop technique in iliac screw placement: a technical analysis
BackgroundInstrumentation of the lumbosacral region is one of the more challenging regions due to the complex anatomical structures and biomechanical...
