Pharmacological management of Dysautonomia following traumatic brain injury

Ian J. Baguley, Ian D. Cameron, Alisa M. Green, Shameran Slewa-Younan, J. E. Marosszeky, J. A. Gurka

Research output: Contribution to journalArticlepeer-review

96 Citations (Scopus)

Abstract

PRIMARY OBJECTIVE: To document and critically evaluate the likely effectiveness of pharmacological treatments used in a sample of patients with Dysautonomia and to link these findings to previously published literature.
RESEARCH DESIGN: Retrospective case control chart review.
METHODS AND PROCEDURES: Data were collected on age, sex and GCS matched subjects with and without Dysautonomia (35 cases and 35 controls). Data included demographic and injury details, physiological parameters, medication usage, clinical progress and rehabilitation outcome. Descriptive analyses were undertaken to characterize the timing and frequency of CNS active medications.
MAIN OUTCOMES AND RESULTS: Dysautonomic patients were significantly more likely to receive neurologically active medications. A wide variety of drugs were utilised with the most frequent being morphine/midazolam and chlorpromazine. Cessation of morphine/midazolam produced significant increases in heart rate and respiratory rate but not temperature. Chlorpromazine may have modified respiratory rate responses, but not temperature or heart rate.
CONCLUSIONS: The features of Dysautonomia are similar to a number of conditions treated as medical emergencies. Despite this, no definitive treatment paradigm exists. The best available evidence is for morphine (especially intravenously), benzodiazepines, propanolol, bromocriptine and possibly intrathecal baclofen. Barriers to improving management include the lack of a standardized nomenclature, formal definition or accepted diagnostic test. Future research needs to be conducted to improve understanding of Dysautonomia with a view to minimizing disability.
Original languageEnglish
Pages (from-to)409-417
Number of pages9
JournalBrain Injury
Volume18
Issue number5
DOIs
Publication statusPublished - 2004
Externally publishedYes

Keywords

  • Adult Autonomic Nervous System Diseases/*drug therapy/etiology/physiopathology Brain Injuries/*complications/physiopathology Case-Control Studies Chlorpromazine/therapeutic use Female Humans Male Midazolam/therapeutic use Morphine/therapeutic use Neurotransmitter Agents/therapeutic use Retrospective Studies Time Factors

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