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Published on: January 17, 2011
Examination of the Pediatric Cervical Spine Under Anesthesia
Blake K Montgomery1, Keith Orland1, Troy A Wilson1
1Orthopaedics, Starship Children's Hospital, Auckland, NZL.
Insights
Diagnosing pediatric cervical spine injuries requires advanced imaging. Dynamic fluoroscopy under anesthesia effectively assesses ligament integrity in non-cooperative children, guiding treatment decisions for suspected spinal instability.
Area of Science:
- Pediatric Orthopedics
- Radiology
- Neurosurgery
Background:
- Cervical spine injuries in children can lead to severe outcomes if misdiagnosed.
- Standard imaging includes X-rays, CT, and MRI, but ligamentous integrity can remain uncertain.
- Assessing ligamentous injury in pediatric patients presents unique challenges due to cooperation and sedation issues.
Purpose of the Study:
- To describe a method for evaluating cervical spine instability in pediatric patients.
- To determine the utility of dynamic fluoroscopy under anesthesia for assessing ligamentous injury.
- To guide treatment decisions for pediatric cervical spine injuries when standard imaging is inconclusive.
Main Methods:
- Dynamic fluoroscopic examination of the cervical spine under anesthesia was performed in the lateral position.
- Surgeons manually manipulated the cervical spine through distraction, flexion, extension, and translation.
- Live fluoroscopy was used to assess for signs of cervical instability during these maneuvers.
Main Results:
- Dynamic fluoroscopy under anesthesia allows for assessment of cervical spine stability in non-cooperative pediatric patients.
- This technique can identify or rule out cervical instability when MRI is equivocal for ligamentous injury.
- The findings directly inform decisions regarding definitive treatment or discontinuation of cervical immobilization.
Conclusions:
- Dynamic fluoroscopy under anesthesia is a valuable tool for evaluating pediatric cervical spine injuries.
- It provides crucial information on ligamentous integrity and spinal stability when other methods are insufficient.
- This method aids in appropriate management, preventing long-term complications from undiagnosed instability or unnecessary immobilization.
Abstract:
Cervical spine injuries in pediatric patients can have devastating consequences if not properly diagnosed. The standard workup for suspected cervical spine injuries includes cervical X-rays and a high-resolution CT. If suspicion still exists then a cervical MRI is obtained. When the cervical MRI shows ligamentous edema but is unable to determine the integrity of the ligaments then additional workup is needed. Often a flexion and extension lateral cervical X-ray can help determine ligament integrity in the non-sedated cooperative age-appropriate patient. For pediatric patients who are unable to perform the flexion and extension X-ray, we perform a dynamic fluoroscopic examination of the cervical spine under anesthesia. The patient is positioned in the supine position. The C-arm is positioned in the lateral position. The surgeon manually performs distraction, flexion, extension, and translation maneuvers while obtaining live fluoroscopy and assessing for signs of cervical instability. If cervical instability exists then the appropriate definitive treatment can be performed. If the cervical spine is stable then cervical immobilization can be discontinued.
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