Three-dimensional frameless stereotactic-guided pedicle screw fixation of the spine: early experiences in King Chulalongkorn Memorial Hospital

Taecholarn, C.; Montriwiwatchai, P.; Tongkon, T.; Khaoroptham, S.

Journal of the Medical Association of Thailand 89(2): 217-223

2006


ISSN/ISBN: 0125-2208
PMID: 16579009
Document Number: 2572
Objectives: To study the accuracy and safety of pedicle screw insertion by three-dimensional frameless stereotactic-guided technique.Material and Method. Twelve patients underwent spinal surgery using three- dimensional frameless stereotactic-guided technique at King Chulalongkorn Memorial Hospital (KCMH) during June - December 2004. In all patients, post-operative CT scan of the operated spinal segments were obtained and evaluated for the position of each screw placed Medical records were reviewed and all patients were interviewed by telephone to assess clinical outcomes and complicationsResults: 51 pedicle screws were inserted in 12 patients. Postoperative CT scan of the instrumented spine revealed that 50 screws were considered grade I screw while one screw was considered grade II. No patient suffered direct vascular or neurological injury.Conclusion: Three-dimensional frameless stereotactic-guided technique provides additional safety to spinal instrumentation

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Three-dimensional frameless stereotactic-guided pedicle screw fixation of the spine: early experiences in King Chulalongkorn Memorial Hospital