Status:
COMPLETED
Risk Factors of Second Surgery for Adjacent Segment Disease Following Anterior Cervical Discectomy and Fusion
Lead Sponsor:
Taipei Veterans General Hospital, Taiwan
Conditions:
Spinal Fusion
Eligibility:
All Genders
Brief Summary
Although the incidence of second surgery for adjacent segment disease (ASD) after anterior cervical discectomy and fusion (ACDF) has been reported, its risk factors remain elusive. Few studies have ha...
Detailed Description
All second ACDF surgery after one year from the first ACDF were identified as a consequence of ASD that required another surgery. A multivariate competing risk survival model, Kaplan-Meier survivorshi...
Eligibility Criteria
Inclusion
- patients who had been admitted for their first ACDF surgery during the 16-year span, began on January 1st, 1998 till the end of 2013, recorded in the NHIRD
Exclusion
- any re-operation (i.e. ACDF) within 365 days from the indexed date of the first ACDF were excluded.
Key Trial Info
Start Date :
September 11 2018
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
November 30 2018
Estimated Enrollment :
5565 Patients enrolled
Trial Details
Trial ID
NCT03826329
Start Date
September 11 2018
End Date
November 30 2018
Last Update
February 1 2019
Active Locations (1)
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1
Yu-Chun Chen
Taipei, Taiwan