Autonomic activity in trauma patients based on variability of heart rate and respiratory rate*

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Why the study?

How do surges in autonomic activity affect hemodynamic variables and tissue perfusion in acute trauma patients?

Population

14 acute emergency patients with mild to moderately severe trauma studied immediately after admission to the…

Design

Cohort

Follow-up

immediately after admission

Authors

Discussion

Autonomic surges may impair tissue perfusion despite hemodynamic gains in trauma; hypothesis-generating for targeted modulation.

How do surges in autonomic activity affect hemodynamic variables and tissue perfusion in acute trauma patients?

Population

14 acute emergency patients with mild to moderately severe trauma studied immediately after admission to the emergency department.

Intervention

Measurement of heart rate and respiratory rate variability by spectral analysis (Lfa and Hfa) and non-invasive hemodynamic monitoring.

Outcome

Hemodynamic effects of bursts of autonomic activity (heart rate, mean arterial pressure, cardiac index, and transcutaneous oxygen).surrogate

Surges in autonomic activity in acute trauma patients are associated with increased cardiac output and blood pressure but reduced tissue oxygenation.

Fathizadeh et al. (2004) studied this question.

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