Why the study?
Are plasma epinephrine and norepinephrine concentrations increased in patients with subarachnoid hemorrhage compared to patients with other illnesses?
Population
Patients with subarachnoid hemorrhage, including a subgroup who had neurosurgery after admission for…
Design
Cohort
Follow-up
variable period
Authors
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Elevated catecholamines were associated with subarachnoid hemorrhage and outcomes; leaves open whether sympathetic modulation alters prognosis.
Are plasma epinephrine and norepinephrine concentrations increased in patients with subarachnoid hemorrhage compared to patients with other illnesses?
Subarachnoid hemorrhage is associated with increased sympathetic nervous system activity, and the trajectory of plasma catecholamines correlates with clinical outcomes.
Benedict et al. (1978) studied this question.