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  • Communicating a Traumatic Brain Injury Patient’s Potential Need for Operative Intervention: The Surgical Intervention for Traumatic Injury Scale

    Final Number:
    379

    Authors:
    Eric Anthony Sribnick MD, PhD; Junxin Shi; Michael P Lunney BA; Sanjay S. Dhall MD; Jason W Allen; David W Wright; Krista Wheeler; Huiyun Xiang

    Study Design:
    Clinical Trial

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2016 Annual Meeting

    Introduction: Severity scoring systems facilitate communication in many areas of medicine (e.g. Glasgow coma scale (GCS) in neurological injury). However, there is no widely used scale to provide a tool for communicating the urgency of possible surgical intervention in patients with traumatic brain injury (TBI). This study builds on prior research to develop a scoring system for non-surgical clinicians to communicate the potential need for surgical decompression in TBI patients [1]. This scoring system, named the Surgical Intervention for Traumatic Injury (SITI), was designed to be comprehensive and easy to use.

    Methods: The SITI scale ranks specific radiographic and clinical findings to assess the possible need for urgent surgical intervention. The scale includes: GCS (GCS >12 = 0 points, GCS 9-12 = 1 point, and GCS <9 = 2 points), pupil examination (unilateral enlarged pupil = 2 points), computed tomography findings (midline shift <5 mm = 0 points, 5-10 mm = 2 points, and >10 mm = 4 points), the presence of temporal pathology (1 point), and epidural hematoma (hematoma =10 mm = 2 points). To validate the scale, the patient database for the Progesterone for the Treatment of Traumatic Brain Injury III Trial (PROTECT III) was used, and 871 patients were included in the analysis. We used the area under the receiver operating characteristic curve (i.e. area under the curve analysis) to further validate the SITI scale.

    Results: Of the 871 patients reviewed, 159 underwent craniotomy, and 712 were treated non-operatively. The mean SITI score was 5.3 for operative patients and 2.4 for non-operative patients (p<0.0001). We found that, applying a cutoff at a SITI score of 3 or greater, resulted in an area under the curve of 0.887.

    Conclusions: The SITI scale was designed to be a simple, objective system for communication between clinical services regarding the potential need for surgical decompression for TBI. Application of the SITI scale to the PROTECT III database demonstrates that a SITI score of 3 or more correlated well with the patient receiving a craniotomy. These results further demonstrate the potential utility of the SITI scale in clinical practice.

    Patient Care: The SITI scale could be used to make communication about traumatic brain injury patients more efficient by providing an objective scale for patient acuity.

    Learning Objectives: By the conclusion of this session, participants should be able to answer the following questions: (1) What are the clinical characteristics that may help in determining a traumatic brain injury patient's need for operative intervention? (2) What is area under the receiver operating characteristic curve analysis? (3) How can a clinical decision support tool be used to improve patient care?

    References: 1) Sribnick EA, Hanfelt JJ, Dhall SS. A clinical scale to communicate surgical urgency for traumatic brain injury: A preliminary study. Surg Neurol Int. 2015 Jan 5;6:1

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