|Year : 2021 | Volume
| Issue : 1 | Page : 10-14
Temporary spanning internal fixation for management of complex upper cervical spine fractures
Khalid AlSaleh, Muteb Abulras, Osama Alrehaili
Department of Orthopedics College of Medicine, King Saud University, Riyadh, Saudi Arabia
|Date of Submission||23-Jul-2020|
|Date of Acceptance||22-Nov-2020|
|Date of Web Publication||4-Mar-2021|
Department of Orthopedics, College of Medicine, King Saud University, Riyadh 12372
Source of Support: None, Conflict of Interest: None
| Abstract|| |
Introduction: Fractures of the upper cervical spine are often but not always amenable to either internal fixation or conservative management using a rigid cervical collar. For all other fractures in this area, management with a halo-vest orthosis is indicated, but it also has limitations. Here, we present an operative alternative to the halo-vest orthosis that provides more secure stability and less complications.
Methods: Three patients presented to our hospital with atypical fractures of C1 and C2 and were given the choice of either a halo-vest orthosis or secure internal fixation without fusion and accepted the latter. Internal fixation without fusion from occiput to the subaxial spine was performed for all three and then removed-6 months later -after radiologic confirmation of healing.
Results: All three patients underwent the procedure successfully and achieved and maintained acceptable alignment. Range of motion was preserved, and no intermediate-term issues were observed.
Conclusion: Spanning internal fixation provides a safe and effective technique in the management of complex upper cervical spine injuries without the drawbacks of using a halo-vest orthosis.
Keywords: Cervical spine, spine fractures, internal fixation
|How to cite this article:|
AlSaleh K, Abulras M, Alrehaili O. Temporary spanning internal fixation for management of complex upper cervical spine fractures. J Craniovert Jun Spine 2021;12:10-4
|How to cite this URL:|
AlSaleh K, Abulras M, Alrehaili O. Temporary spanning internal fixation for management of complex upper cervical spine fractures. J Craniovert Jun Spine [serial online] 2021 [cited 2021 May 10];12:10-4. Available from: https://www.jcvjs.com/text.asp?2021/12/1/10/310732
| Introduction|| |
Fractures of the upper cervical spine account for over 45%–50% of all cervical spine trauma., Most of these injuries are treated conservatively using a halo-vest orthosis, but the trend toward operative fixation is growing internationally. The rationale behind that global trend is the high complication rates and the questionable efficacy of halo-vest treatment.,, Furthermore, the surgeon is occasionally faced with a complex fracture of the Atlas or Axis that neither fusion nor halo-vest immobilization is a good option. The ideal solution would provide better stabilization and less complications-than a halo-vest and would not eliminate motion from the adjacent segments. In this study, we present three cases of upper cervical spine injury where internal fixation was executed as a temporary stabilization measure, achieving the goals mentioned above.
| Methods|| |
Three patients presented to our institution with fractures of C1 or C2 which would normally be managed with a halo-vest orthosis. The benefits and risks of halo-vest immobilization were explained to all patients. All patients were offered surgical treatment as an alternative, and all three accepted surgical treatment and preferred it to halo-vest immobilization.
The patients were taken to the operating room where general anesthesia was administered. Mayfield frame immobilization was performed in the supine position and the patient was then rolled carefully into the prone position using the Jackson frame. A routine posterior cervical approach from the occiput to C4 followed, limiting the sub-periosteal dissection of the injured vertebrae. Specifically, the insertions of the rectus capitis and the longissimus muscles to C1 and C2 were preserved. Routine subperiosteal dissection of the occiput and subaxial spine allowed for instrumentation occipital plates and lateral mass screws bilaterally. A rod was then placed on each side and fixed to the plates/screws from the occiput to C3/C4 spanning the soft-tissue envelope over C1/C2. Closure was then done in layers, and a rigid cervical collar was applied for further external stabilization. The patient was mobilized the next day and discharged shortly thereafter. The cervical collar was removed at 12 weeks and a computerized tomography (CT) was performed at 6 months. Once healing of the fractures was established, a second operation was done to remove the implants and physical therapy was started 6 weeks following the second operation to regain range of motion and strengthen the cervical musculature.
| Results|| |
All patients underwent the procedure successfully without complication. Radiological fusion was obtained in all three, and all had the implants removed 6 months postoperative [Figure 1],[Figure 2],[Figure 3]. A focused physical therapy program-6 weeks after implant removal was mandated with two objectives: Regain cervical motion first, and then strengthen the weak cervical paraspinal musculature. Details of each patient's clinical course are presented in [Table 1].
|Figure 1: (a) Patient 1 radiologic presentation: plain roentgenograms and CT. (b) Patient 1 postoperative images. (c) Patient 1 final flexion extension films after removal of implants|
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|Figure 2: (a) Patient 2 radiologic presentation: CT. (b) Patient 2 postoperative images. (c) Patient 2 final images after removal of implants|
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|Figure 3: (a) Patient 3 radiologic presentation: CT. (b) Patient 3 postoperative images. (c) Patient 3 CT showing complete healing of the C2 fracture. (d) Patient 3 flexion-extension radiographs following removal of implants|
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| Discussion|| |
Modern operative management of spine fractures evolved from the management of extremity fractures. In the second half of the twentieth century, internal fixation slowly took over the conservative treatment of extremity fractures. This was mostly due to better outcomes and less complications compared with plaster cast or traction immobilization associated with direct reduction and stable fixation., This effect made its way into spine surgery with the introduction of modern spinal implants. With certain fractures, internal fixation was not possible, and spanning external and later internal fixation methods were developed as definitive treatment or as temporary measures until the patient's condition allowed internal fixation. Spanning internal fixation, however, has less complications than external fixation and provides better stability biomechanically.
The halo-vest orthosis was first introduced in the 1950s for the treatment of children with poliomyelitis, cases of cervical spine trauma in addition to other conditions. Although a revolutionary device when first introduced, even in their initial report the authors discussed the issues of inadequate fixation, pin site infections, and discomfort reported by the patients. At the time, modern implants were decades away from development and widespread use. Nowadays the halo-vest is still utilized in many centers across the globe, although less frequently than in previous decades. The complications associated with its use have been well described in the literature.,,,,, Particularly in the elderly, its use is associated with increased incidence of pneumonia and increased mortality.,, More recent reports have challenged this,,, but it remains a concern for the clinician. From a biomechanical perspective, the halo-vest orthosis confers little stability to the fractured cervical spine,, and a non-invasive halo maybe just as good. Reports directly comparing internal fixation with halo-vest immobilization have been shown superior fusion rates, better alignment, less pain, and earlier return to work for both Atlas and Axis fractures.,
There have been a few similar studies in the literature recently reporting for temporary internal fixation for upper cervical spine fractures.,, These initial reports prove that certain fractures of the Atlas and Axis are better served with internal fixation without biologic fusion. The technique we report in our series confirms that and opens the door for further larger comparative series.
| Conclusion|| |
Temporary spanning occipitalcervical fixation is a viable alternative to either operative fusion or halo-vest immobilization for the management of upper cervical spine fractures. It provides instant, maintained rigid stability not possible with halo-vest immobilization to these fractures with the complete loss of motion associated with definitive fusion surgery.
Financial support and sponsorship
Conflicts of interest
There are no conflicts of interest.
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[Figure 1], [Figure 2], [Figure 3]