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  • Operative Time is an Independent Predictor of Complications Following Posterior Cervical Fusion

    Final Number:
    1409

    Authors:
    Nathan John Lee BS; Parth Kothari BS; Dante Leven DO; Branko Skovrlj MD; Jeremy Steinberger MD; John I Shin BS; Javier Z Guzman BS; Samuel K Cho MD

    Study Design:
    Other

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2015 Annual Meeting

    Introduction: Posterior cervical fusion (PCF) is a common surgical procedure with generally good long-term outcomes. The effect of prolonged operative time has not been identified using a large nationwide database, and may impact outcomes following PCF.

    Methods: Adult patients undergoing PCF from 2005-2012 were identified by the Current Procedural Terminology (CPT) codes in the ACS NSQIP database. Patients were subdivided into cohorts based on operative time (Group 1, = 4 hours, Group 2, > 4 hours). Univariate and multivariate analyses were performed to assess the impact of operative duration on 30-day postoperative complications. Odds ratios (OR) were calculated with 95% confidence intervals.

    Results: 524 patients who underwent PCF were identified. The mean operative time was 198.6 (105.29) minutes. In 374 patients the operative time was > 4 hours, and in 150 it was = 4 hours. Multi-level fusion was associated with prolonged operative time (62.6% vs 76.7% P=0.002). Prolonged operative time was associated with increased rate of sepsis/septic shock (0% vs 2% P=0.0061), intra/ post-operative blood transfusion (4.55% vs 18.0% P<.0001), and extended length of stay >5 days (21.9% vs 32.7% P=0.0103). Prolonged operative time was an independent predictor for extended length of stay (LOS) > 5 days (OR: 1.80,1.1-2.8) and intra/post-operative blood transfusion (OR: 5.0, 2.6-9.5).

    Conclusions: Prolonged operative time was more common in patients undergoing multi-level fusion. Operative time of greater than four hours was an independent predictor for longer LOS and blood transfusions following PCF. This operative variable should be monitored closely during PCF in order to reduce LOS and need for transfusion intra or post-operatively.

    Patient Care: Operative time was found to be a major predictor for longer LOS and blood transfusions following PCF. In future steps toward improving the quality of care, it is necessary to closely monitor operative time.

    Learning Objectives: The aim of this study was to analyze whether prolonged operative time influences complications, reoperations, and readmissions in adult patients undergoing posterior cervical fusion (PCF) using a large national database.

    References:

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