Background: Cervical degenerative disc disease is the most common indication for anterior cervical discectomy and fusion. Given the possible complications, patients are stratified before anterior cervical discectomy and fusion by preoperative risk factors to optimize treatment. One preoperative factor is a patient's coagulation profile.
Methods: The American College of Surgeons-National Surgical Quality Improvement Database was used to identify patient preoperative coagulation profile and postoperative complications. By generating binary logistic regression models, each of the 4 abnormal coagulation categories (bleeding disorder, low platelet count, high partial thromboplastin time, and high international normalized ratio [INR]) were analyzed for their independent impact on increased risk for complications compared with the control cohort.
Results: A total of 61,977 patients were assessed. The most common abnormal coagulation was abnormal platelet count (n = 2149). The most common postoperative outcome was an extended length of hospital stay among patients with an abnormal coagulation profile relative to the control cohort. After multivariate analysis, patients with an abnormal INR (odds ratio, 2.2 [1.3-3.8]; P = 0.003) or abnormal platelet count (odds ratio, 1.5 [1.2-2.1]; P = 0.003) had a higher chance of having an extended length of hospital stay relative to patients having a normal coagulation profile. Having an abnormal INR was found to be associated with an increased risk for having "Any complication."
Conclusions: Our results show significant differences in the incidence rates of a multitude of complications among the 5 groups based on univariate analysis. Patients with any abnormal coagulation disorder had increased rates of developing any complication or having an extended length of hospital stay.
Keywords: ACDF; Coagulation; NSQIP.
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