Outcomes of cervical arthroplasty versus anterior cervical arthrodesis: a systematic review and meta-analysis of randomized clinical trials with a minimum follow-up of 7-year.

Purpose: Compare the outcomes of randomized clinical trials of cervical disc arthroplasty (CDA) versus anterior cervical discectomy with fusion (ACDF), with a minimum follow-up of 7 years.

Methods: Nine randomized clinical trials were selected. The clinical, radiological, and surgical outcomes were analyzed, including functional and pain scores, range of motion, adjacent segment degeneration, adverse events, and need for reoperation.

Is routine blood typing and screening necessary for degenerative cervical spine surgery patients in specialty surgical hospitals?

Background: Blood loss warranting transfusion is a relatively rare requirement for degenerative cervical spine surgery. Despite this rarity, pretransfusion testing (blood typing, screening, and cross-matching) has become routine in most parts of the world. We sought to determine if such routine testing is necessary for patients who undergo degenerative cervical spine surgery patients in specialty surgical hospitals by (1) measuring the current rate of intraoperative transfusions in degenerative cervical spine surgery and (2) identifying risk factors for transfusions.