Accuracy of Pedicle Screw Insertion Using Fluoroscopy-Based Navigation-Assisted Surgery : Computed Tomography Postoperative Assessment in 96 Consecutive Patients
Journal of Korean Neurosurgical Society
;
: 16-20, 2014.
Article
in English
| WPRIM
| ID: wpr-89974
ABSTRACT
OBJECTIVE:
Two-dimensional fluoroscopy-based computerized navigation for the placement of pedicle screws offers the advantage of using stored patient-specific imaging data in providing real-time guidance during screw placement. The study aimed to describe the accuracy and reliability of a fluoroscopy-based navigation system for pedicle screw insertion.METHODS:
A total of 477 pedicle screws were inserted in the lower back of 96 consecutive patients between October 2007 and June 2012 using fluoroscopy-based computer-assisted surgery. The accuracy of screw placement was evaluated using a sophisticated computed tomography protocol.RESULTS:
Of the 477 pedicle screws, 461 (96.7%) were judged to be inserted correctly. Frank screw misplacement [16 screws (3.3%)] was observed in 15 patients. Of these, 8 were classified as minimally misplaced (4 mm). No complications, including nerve root injury, cerebrospinal fluid leakage, or internal organ injury, were observed in any of the patients.CONCLUSION:
The accuracy of pedicle screw placement using a fluoroscopy-based computer navigation system was observed to be superior to that obtained with conventional techniques.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Cerebrospinal Fluid
/
Surgery, Computer-Assisted
Limits:
Humans
Language:
English
Journal:
Journal of Korean Neurosurgical Society
Year:
2014
Type:
Article
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