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Neurocritical Care

, Volume 5, Issue 3, pp 176–179 | Cite as

Hemodynamic steroid responsiveness is predictive of neurological outcome after traumatic brain injury

  • Francis BernardEmail author
  • Joanne Outtrim
  • Andrew G. Lynch
  • David K. Menon
  • Basil F. Matta
Original Article

Abstract

Introduction

To determine the impact of physiologic doses of hydrocortisone on neurologic outcome after traumatic brain injury (TBI).

Methods

We conducted a retrospective study in a neurocritical care unit at a university teaching hospital. We included 29 patients with moderate and severe TBI requiring vasoactive drugs to maintain adequate arterial blood pressure who received corticosteroid. Infected patients were excluded. Blood cortisol levels were measured before and 30 and 60 minutes after the administration of a high-dose corticotropin stimulation test (HDST). Patients received hydrocortisone replacement therapy (200–300 mg/day) and vasoactive drugs requirements were noted. Intracranial pressure was managed according to a predefined protocol.

Results

A total of 14 out of 29 (48%) of patients were classified as responders to hydrocortisone (stopping vasoactive drugs within 3 days of starting hydrocortisone). The Glasgow Outcome Score (GOS) was used to assess neurologic outcome at 6 months. A favorable outcome (GOS 4 and 5) was observed in 11 out of 14 (79%) of responders and five out of 15 (33%) of nonresponders (p=0.03). Of the responders, 12 out of 14 (85%) had a baseline cortisol below 414 nmol/L, and five out of 14 (36%) had primary adrenal insufficiency (AI) (primary AI: low baseline cortisol and poor response to the HDST). Age, severity of injury, and response to hydrocortisone were predictive of outcome in multiple logistic regression analysis.

Conclusions

Adrenal insufficiency is frequent after TBI, and hydrocortisone replacement therapy seems to be associated with a favorable neurologic outcome.

Key Words

Adrenal insufficiency adrenal dysfunction traumatic brain injury high-dose stimulation test cortisol hydrocortisone replacement therapy 

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Copyright information

© Humana Press Inc. 2006

Authors and Affiliations

  • Francis Bernard
    • 1
    • 2
    Email author
  • Joanne Outtrim
    • 2
  • Andrew G. Lynch
    • 3
  • David K. Menon
    • 2
  • Basil F. Matta
    • 2
  1. 1.University Department of Critical Care Medicine and General Internal MedicineHôpital du Sacré-CœurMontréalCanada
  2. 2.University Department of AnaesthesiaAddenbrooke's HospitalCambridgeUK
  3. 3.Department of Public Health and Primary CareUniversity of CambridgeUK

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