The Incidence of Subsequent Cervical Spine Surgery after Cervical Disc Arthroplasty, a Minimum Two-year Follow-up

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To identify the risk factors and incidence of subsequent cervical spine surgery in patients undergoing primary cervical disc arthroplasty (CDA). We analyzed the 2005–2015 NYS SPARCS database. Patients were longitudinally followed to determine the incidence of re-operation. Univariate and Multivariate analyses were used to identify demographic risk factors. Eight-hundred and thirty-fi ve CDA patients had a cervical spine re-operation rate of 7.5%; 4.4% re-operation rate at two-year follow-up. The most common cervical re-operation was a primary anterior cervical discectomy and fusion (ACDF) (76.2%). Patients who underwent re-operation were more likely to be younger (p = 0.034) and female (p = 0.007). Logistic regression analysis found only female sex to have increased odds of re-operation (odds ration = 2.10, 95% confi dence interval 1.21-3.63). There was a 4.4% rate of subsequent cervical spine surgery following CDA at 2 years and a 7.5% rate of subsequent cervical spine surgery. The most common cervical spine procedure following CDA was ACDF. Female sex was the only patient demographic factor to signifi cantly infl uence the odds of cervical spine re-operation. (Journal of Surgical Orthopaedic Advances 31(1):007–011, 2022)

Key words: cervical disc arthroplasty, re-operation, cervical spine, risk factors, cervical disc degeneration, ACDF, revision

Description

Alexander M. Satin, MD; Dean Perfetti, MD, MPH; Deepak Kaji, BS; Jesse Galina, BS; Aaron Atlas, DO, MS; Austen Katz, MD; Jeff S. Silber, MD; and David A. Essig, MD

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