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  • Ketorolac Use Decreases Complication and Bleeding Risk Following Posterior Lumbar Fusion: Results from an Institutional Database

    Final Number:
    1076

    Authors:
    Sneha Subramaniam BA; Rachel S. Bronheim BA; Samuel Hunter BA; Sean N Neifert BS; Brian C Deutch BA; Jonathan S. Gal MD; John M. Caridi MD

    Study Design:
    Other

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2018 Annual Meeting

    Introduction: PLF is a common procedure used to treat spinal deformities and lumbar degenerative disorders. Ketorolac is a non-steroidal anti-inflammatory drug (NSAID) used for analgesia without significant respiratory depression in a wide variety of post-surgical scenarios, and can be given during a procedure for pain control. Like most NSAIDS, ketorolac is traditionally associated with gastrointestinal bleeding. However, the literature in a variety of surgical subspecialties has not found and increase in post-operative bleeding events. There is a paucity of literature that directly addresses the influence of ketorolac administration on bleeding and other adverse events following posterior lumbar fusion.

    Methods: An institutional database was utilized to identify patients undergoing posterior lumbar and fusion between 2006 and 2016. Univariate comparisons between groups were made using chi-squared tests for categorical variables and t-tests for continuous variables. Multivariate logistic regression was utilized to estimate odds ratios, and to determine whether ketorolac use is an independent risk factor for bleeding complications, as well as pulmonary, cardiac, renal, infectious, and other complications.

    Results: 3,253 patients met inclusion criteria. 2% of the cohort received ketorolac intraoperatively, and 98% of patients did not. Patients who received ketorolac had a statistically significantly lower age and ASA score than controls. Intraoperative ketorolac utilization was a negative predictor for bleeding complication (OR= 0.074 [CI: 0.010-0.534], P= 0.01), and any complication (OR= 0.119[CI: 0.29-0.489], P= 0.003).

    Conclusions: Intraoperative ketorolac utilization was found to be a negative predictor of bleeding and any complication following posterior lumbar fusion (Table 1). This is contrary to studies that have shown a small increase in bleeding risk in patients who were given ketorolac. Considering the small effect size found in this study, this is not conclusive evidence of the safety of ketorolac. As such, a large, prospective trial investigating this study is indicated to determine the accuracy of this result.

    Patient Care: This adds to the literature supporting the safety of ketorolac for use following spine surgery

    Learning Objectives: By the conclusion of this session, participants should be able to describe the relationship between intraoperative utilization of ketorolac and bleeding complications following posterior lumbar fusion (PLF).

    References:

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