• Eur Spine J · Aug 2024

    Treatment of failed cervical total disc replacements in a series of 53 cases and description of a management strategy.

    • Scott L Blumenthal, Donna D Ohnmeiss, Emily C Courtois, Richard D Guyer, Jack E Zigler, and Jessica L Shellock.
    • Center for Disc Replacement at Texas Back Institute, 6020 W Parker Rd #200, Plano, TX, 75093, USA. sblumenthal@texasback.com.
    • Eur Spine J. 2024 Aug 1; 33 (8): 311731233117-3123.

    PurposeTo describe modes of failure of cervical TDR, their related treatment strategies, and to describe a management strategy for the treatment of failed cervical TDR.MethodsThis retrospective study was based on a consecutive series of 53 cervical TDR patients who underwent removal or revision surgery. Chart review was conducted to collect general descriptive data, reasons for TDR removal/revision, duration from index implantation to re-operation, and the subsequent procedure performed.ResultsAmong 53 patients, 36 underwent TDR removal and fusion, 16 underwent TDR removal and replacement with another TDR, and one patient's TDR was revised by repositioning. The mean duration from index surgery to removal/revision was 40.1 months (range: 3 days-222 months). In all cases, removal/revision surgery was completed without complication. The most common reason for removal was severe osteolysis, often involving C. acnes infection, and was primarily associated with one implant type. TDR removal and fusion were performed for subsidence, device migration, treatment of symptoms arising from posterior anatomy (facet joints, etc.), approach-related complications and pain. TDR replacement was feasible for hypermobility, metal allergy, implant locked in kyphosis, and oversized implant use. In one case of TDR malpositioning, the device was successfully revised into appropriate position.ConclusionAfter cervical TDR failure, replacing a TDR with another implant can be feasible. Reasons for revision or removal after cervical TDR surgery include biomechanical failure, implant migration, surgeon or technical error, or biological reasons. The type of failure can help the surgeon create a strategy to address these complications.© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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