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Implant Migration in Cervical Disk Arthroplasty
Zuhtu Ozbek1, Emre Ozkara1, Ali Arslantaş1
1Department of Neurosurgery, School of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey.
World Neurosurgery
|October 21, 2016
Summary
Cervical arthroplasty implant migration is rare (0.3%), but can cause symptoms requiring reoperation. Careful surgical technique and preoperative planning, including CT scans, can help prevent this complication.
Area of Science:
- Spine Surgery
- Orthopedic Implants
- Arthroplasty
Background:
- Cervical arthroplasty is a surgical procedure to replace a damaged cervical disc.
- Implant migration is a potential complication following cervical arthroplasty.
Observation:
- This study retrospectively analyzed patients who underwent cervical arthroplasty between 2006 and 2015.
- Symptomatic implant migration was identified in 5 out of 163 patients (0.3%).
Findings:
- Patients with symptomatic implant migration required reoperation.
- In four reoperated patients, the prosthesis was removed and anterior fusion was performed; in one patient, only prosthesis removal was necessary.
Implications:
- Preventing implant migration involves protecting endplate structure, selecting appropriate implant size, and ensuring proper surgical technique.
- Preoperative CT scans can aid in determining optimal implant size and assessing bone structure.
- Rare causes like foreign body reactions or postoperative trauma may lead to dislocation despite preventive measures.
