screw placement
Prevalence of sacral dysmorphia in a prospective trauma population: Implications for a "safe" surgical corridor for sacro-iliac screw placement
... Multiple radiographic and cadaveric studies have been previously published on the sacral anatomy and its rela- tion to “ safe ” surgical corridors for SI-screw placement [9,17,18,21-23,25,26,28-32]. ...
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Comparison of parallel or convergent proximal schanz screw placement of pertrochanteric fixator in intertrochanteric fracture model
... schanz screw placement of pertrochanteric fixator in the intertrochanteric femoral fractures with respect to biomechanical forces that stabilize the fracture line and to present their clinical ...different ...
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Kinesiophobia in Patients After Dynamic Hip Screw Placement with Open Procedure
... Dynamic Hip Screw (DHS) is used in surgical procedures using a plate with a screw to hold a fracture of hip bone. Kinesiophobia (fear of movement or re injury) is prominent key factor in patient undergoing ...
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Feasibility of iliosacral screw placement in patients with upper sacral dysplasia
... Radiographic tools for the assessment of the feasibility of iliosacral screw insertion have been proposed before. The lateral sacral triangle method as described by Men- del et al. elaborately investigates the ...
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Correlating preoperative imaging with intraoperative fluoroscopy in iliosacral screw placement
... neous placement of screws despite apparent appropriate screw positioning on intraoperative fluoroscopy has been documented, unintentionally utilizing incorrect imaging could lead to implant malpositioning ...
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Feasibility of Translaminar Screw Placement in Korean Population: Morphometric Analysis of Cervical Spine
... Table 2 lists the unilateral and bilateral translaminar accep- tance rates at each vertebral level for men and women of both the Korean and American cohorts. Notably, there were no differences in the unilateral ...
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Screw placement is everything: risk factors for loss of reduction with volar locking distal radius plates
... We recorded anterior-posterior radial inclination (degrees), ulnar variance (radial length; millimetre) and lateral volar tilt (degrees). The distance of distal lock- ing screws from the deepest point of the subchondral ...
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Virtual mapping of 260 three dimensional hemipelvises to analyse gender specific differences in minimally invasive retrograde lag screw placement in the posterior acetabular column using the anterior pelvic and midsagittal plane as reference
... column screw was located dorsal from the transition of the lower margin of the ischial tuberosity to ramus inferior pointing to the medial margin of the ischial ...the screw trajectory and the anterior ...
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Intraoperative electromyographic monitoring to optimize safe lumbar pedicle screw placement – a retrospective analysis
... secure screw placement can be obtained using fluoroscopic im- ages, neural integrity or compromise needs to be ...recognize screw malposition that com- promise neural integrity [8, ...pedicle ...
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Development of a Saw Bones Model for training pedicle screw placement in scoliosis
... The limitations of this study include selection bias since it was limited to trainees at a single institution. Residency programs are unique in their curriculum development. Including institutions with more emphasize on ...
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Sustentacular screw placement with guidance during ORIF of calcaneal fracture: an anatomical specimen study
... 40 screw placements, the guidance- assisted approach showed its obvious advantages over the traditional experience-based ...sustentacular screw placement may be further ...
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Pedicle screw placement in spinal neurosurgery using a 3D-printed drill guide template: a systematic review and meta-analysis
... misplaced screw dur- ing pedicle screw ...pedicle screw placement using the free-hand technique is unreliable in cases of spinal deformity [28, ...surgeon’s screw placement ...
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Accuracy of pedicle screw placement in patients with Marfan syndrome
... 99% screw accuracy in thoracic ...screws placement in pediatric patients, and reported a ...for screw placement [27]; second, patients with Marfan syndrome have thinner pedicles compared with ...
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Lumbosacral pedicle screw placement using a fluoroscopic pedicle axis view and a cannulated tapping device
... pedicle screw placement has been the subject of a number of previous studies [3, 4, 6, 17, ...of screw misplacement were highly variable, in part, because of the different evalu- ation methods ...
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What is the difference in morphologic features of the lumbar vertebrae between Caucasian and Taiwanese subjects? A CT based study: implications of pedicle screw placement via Roy Camille or Weinstein method
... pedicle screw placement, surgeons should carefully use the guide pin and pedicle finder to check the tract length and its conver- gence with repeated checks using portable C-arm ...the screw is ...
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Application of a novel customized guide template in percutaneous pedicle screw placement: an in vitro study
... In open surgery for spine stabilization, the pedicle screws are often placed using patient-specific guide templates since they can improve the screw placement accuracy and simplify surgery. However, the ...
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Digital anatomical measurements of safe screw placement at superior border of the arcuate line for acetabular fractures
... reported in previous literature. Benedetti sectioned cadav- eric specimens at 1.0-cm intervals, beginning at the level of the inferior border of the acetabulum (the junction be- tween the anteroinferior edge of the ...
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A medium invasiveness multi-level patient’s specific template for pedicle screw placement in the scoliosis surgery
... pedicle screw placement in the scoliosis ...easy placement in a unique position. The accuracy of screw positions was con- firmed by CT scan after screw ...
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Does a deep seated L5 vertebra position with respect to the iliac crests affect the accuracy of percutaneous pedicle screw placement at lumbosacral junction?
... In the current study, the accuracy of PPS at L5 level was similar between the L5-S and L5-NS Groups (Table 2) (Figs. 1b and 2b). However, for S1 pedicle screws, the L5-S Group had a relatively lower percentage of Grade 0 ...
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Competitive Hopfield Neural Network Model for Evaluating Pedicle Screw Placement Accuracy
... pedicle screw (such as physical and chemical characteristics, types, dimensions), vertebra morphological data for different populations, data about the possible errors that may appear (such as vertebral wall ...
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