The Validity of Hourly Neurologic Assessments in the Intensive Care Unit for Patients with Traumatic Brain Injury

Date

2017-01-17

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Abstract

LEARNING OBJECTIVES: Traumatic brain injury (TBI) is a leading cause of disability and mortality worldwide. The standard of care at many trauma centersis to admit patients with TBI to the Intensive Care Unit (ICU) for hourly neurologic assessments. There is a proven discrepancy between documented GCS (Glasgow Coma Scale score) and the presence of significant organic intracranial injuries and their clinical impact. Additionally, unnecessary ICU stay incurs significant financial costs to and resource utilization, and may adversely affect patient outcomes. There is no consensus regarding the optimal duration or frequency of hourly neurologic assessments. METHODOLOGY: As a feasibility study we retrospectively reviewed data from the trauma registry at our urban, level I trauma center over a 2-month period, Data points included head injury type, admission GCS, lowest GCS within 24 hours of admission, lowest GCS during hospitalization, ICU length of stay, total length of stay; and unplanned surgical, medical, or diagnostic intervention prompted by a decline in GCS. RESULTS: Twenty-two patients were admitted to the ICU based on the radiographic and clinical diagnoses of traumatic brain injury. Eighty-two percent of patients did not experience a decline in GCS within the first 24 hours of admission. Among them, 17% experienced a decline after 24 hours for non-neurological reasons. Of the 18% that did experience a decline within 24 hours, none prompted an unplanned intervention in their previously management plan. CONCLUSIONS: All patients with TBI may not require hourly neurologic assessments in the ICU. The majority of patients in our review did not experience a decline in GCS. Additionally, those that did decline did not trigger a significant change in clinical management. Further data is required to elucidate certain patient or injury criteria to separate patients that truly require hourly neurologic assessments from those that can be monitored in a lower acuity setting.

General Notes

The 55th Annual Medical Student Research Forum at UT Southwestern Medical Center (Monday, January 17, 2017, 2-5 p.m., D1.600)

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Subjects

Clinical Research and Case Reports, Brain Injuries, Critical Care, Neurologic Examination

Citation

Kabangu, J., Bedros, N., Williams, B., Aoun, S., Geoffrion, T., Provenzale,N., . . . Minshall, C. (2017, January 17). The validity of hourly neurologic assessments in the intensive care unit for patients with traumatic brain injury. Poster session presented at the 55th Annual Medical Student Research Forum, Dallas, TX. Retrieved from https://hdl.handle.net/2152.5/4053

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