AI Article Synopsis
- Atlantoaxial transarticular screw fixation (TASF) is a surgical method used to insert screws in the spine, but it carries the risk of damaging nearby arteries and other important structures.
- This study involved three patients who underwent TASF using a navigation system to minimize these risks, ensuring precision in screw placement.
- The results showed no complications, successful bone fusion in all cases, and relatively low radiation exposure during the procedures.
Article Abstract
Background: Atlantoaxial transarticular screw fixation (TASF) is a procedure that involves inserting screws vertically into the articular processes of C1 and C2. However, this procedure is associated with a risk of injury to surrounding structures including the vertebral artery, carotid artery, pharynx, and spinal cord by misinserting K-wires or screws. This study was performed to evaluate the risk of TASF using 3-dimensional navigation-guided drilling and screw insertion tract creation.
Methods: Three patients underwent the surgical procedure using a navigation system guided by intraoperative computed tomography. The insertion tract of the screw was created using the navigation system to avoid penetration of the C1 anterior arch or damage to the vertebral artery. A blunt-tipped guide wire was used, which was safe to advance to the cortex of the anterior arch of C1.
Results: There were no complications or instrument failures in any of the surgeries. In each case, the total radiation dose delivered was 5.31-7.02 mGy, and total radiation exposure time was 55.6-106.8 seconds. Bone fusion was achieved in all cases.
Conclusions: TASF using a navigation system for drilling is useful for accurate placement of K-wire and preventing damage of the vital structures, lowering the risk of the procedure.
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| http://dx.doi.org/10.1016/j.wneu.2019.10.176 | DOI Listing |
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