2010
DOI: 10.1007/s00586-010-1446-2
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Navigation of vertebro-pelvic fixations based on CT-fluoro matching

Abstract: Different navigation procedures (based on 2D-, 3D-fluoroscopy or CT modalities) with their respective limitations are established in orthopedic surgery. The hypothesis is that intraoperative matching of different modalities (fluoro and CT) increases the precision of navigated screw placement and reduces the fluoroscopy time. Vertical unstable pelvic ring fractures of 12 patients were treated with vertebro-pelvic fixations (6 in the standard technique and 6 using the fluoro-CT navigation). An optimal osseous co… Show more

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Cited by 11 publications
(8 citation statements)
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“…Spinopelvic internal fixators and posterior ilio‐iliacal plates allow immediate postoperative full weight bearing, but have to be inserted with open or at least limited open techniques and often compromise the soft tissue due to their subcutaneous prominence and limited soft tissue coverage. Wound healing problems and foreign body sensations are well known and frequently described . Alternatively, anterior ilio‐sacral plate fixations have a limited indication only for the stabilization of SI‐joint dislocations and do not allow full weight bearing postoperatively.…”
Section: Discussionmentioning
confidence: 99%
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“…Spinopelvic internal fixators and posterior ilio‐iliacal plates allow immediate postoperative full weight bearing, but have to be inserted with open or at least limited open techniques and often compromise the soft tissue due to their subcutaneous prominence and limited soft tissue coverage. Wound healing problems and foreign body sensations are well known and frequently described . Alternatively, anterior ilio‐sacral plate fixations have a limited indication only for the stabilization of SI‐joint dislocations and do not allow full weight bearing postoperatively.…”
Section: Discussionmentioning
confidence: 99%
“…For the trans‐sacral nail component, standardized percutaneous insertion techniques for iliosacral screw placements can be used followed by interlocking with iliac bolts placed with an aiming device. The fluoroscopic projections to control the bolt insertion are well known for the placement of iliac anchor‐screws of spinopelvic fixations and LC II‐screws to fix lateral compression type II pelvic ring or acetabular fractures . One drawback of the implant would be required prone position of the patient excluding simultaneous anterior pelvic ring reduction and/or stabilization.…”
Section: Discussionmentioning
confidence: 99%
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“…Clinically inapparent malpositions are generally only detected by CT [13,16]. The malpositioning of screws may possibly be avoided with the latest navigation techniques matching preoperative CT scan data with intraoperative fluoroscopy (27).…”
mentioning
confidence: 99%