Why the study?
Does intravenous salbutamol alter plasma and urinary potassium in pregnant women in premature labour?
Does intravenous salbutamol alter plasma and urinary potassium in pregnant women in premature labour?
Intravenous salbutamol infusion during premature labour causes a significant decrease in plasma potassium without altering urinary potassium excretion.
Salbutamol infusion may lower plasma potassium in preterm labour without urinary loss; hypothesis-generating for monitoring and RCTs.
Plasma potassium and urinary potassium excretion were measured in eight patients in premature labour treated with salbutamol, and in ten patients at full term in spontaneous labour. There was a significant fall in plasma potassium concentration following salbutamol infusion, but no change during labour in the control groups. Urinary potassium excretion was similar in both groups.
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Smith et al. (1977) studied this question.
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