Why the study?
Does propofol modulate GABAergic and glycinergic neurotransmission in cardiac parasympathetic neurons in vitro?
Population
Cardiac parasympathetic neurons identified in vitro by the presence of a retrograde fluorescent tracer
Comparison
Propofol at various concentrations vs Baseline or absence of propofol
Design
Preclinical
Authors
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May underlie propofol effects on heart rate; hypothesis-generating and requires in vivo confirmation before clinical consideration.
Does propofol modulate GABAergic and glycinergic neurotransmission in cardiac parasympathetic neurons in vitro?
Propofol directly alters GABAergic neurotransmission to cardiac parasympathetic neurons at postsynaptic sites, providing a cellular mechanism for its modulation of heart rate.
Wang et al. (2004) studied this question.