Abstract
BACKGROUND CONTEXTAlthough anterior cervical discectomy and fusion (ACDF) procedures for cervical spine disease have been increasing amid a growing diabetic patient population, there is a paucity of literature focusing on insulin-dependence as a risk-factor for post-operative ACDF complications. PURPOSETo evaluate the differential impact of insulin dependence on perioperative outcomes including total length of stay, surgical, and medical complications within thirty days following ACDF. STUDY DESIGN/SETTINGA retrospective cohort, large multicenter database study. PATIENT SAMPLEThe American College of Surgeons National Surgical Quality Improvement Program database was queried to retrospectively identify patients who had undergone ACDF between 2011 and 2021 using the Current Procedural Terminology code 22551. OUTCOME MEASURESPerioperative surgical and medical complications. METHODSThe study population was divided into 3 groups 1) insulin-dependent diabetes mellitus (IDDM), 2) non-insulin-dependent diabetes mellitus (NIDDM), and 3) no diabetes mellitus (non-DM). One-way analysis of variance for continuous variables and chi-square tests for categorical variables were used to identify differences in perioperative variables between the 3 groups. Multivariable logistic regression analysis assessed the effect of diabetes mellitus status on post-operative medical and surgical outcomes. RESULTSA total of 85,758 ACDF procedures were identified between 2011 and 2021, of which 5,178 were IDDM, 9,652 were NIDDM, and 70,982 were non-DM. The rates of surgical and medical complication varied between the 3 groups. IDDM patients had the highest rates of at least one medical complication (6.1%). Only IDDM increased the risk for medical complications (OR: 1.320, 95% CI [1.144–1.518]) and extended hospital length of stay (LOS) (OR: 1.244, 95% CI [1.071–1.441]) following a multivariate logistic regression analysis. CONCLUSIONPatients with IDDM were at an increased risk for postoperative medical complications and extended hospital LOS. Personalized postoperative management, guided by risk assessment is indicated for this population. These findings can be used to improve risk stratification and informed consent for DM patients who are insulin dependent.
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