Key result
While both ephedrine and phenylephrine effectively treated maternal hypotension during Cesarean section, ephedrine was associated with significantly higher rates of vomiting (14% vs 0%) and tachycardia (16% vs 0%).
Why the study?
Does ephedrine compared to phenylephrine improve hemodynamics and side effect profiles in ASA I/II females with hypotension during elective Cesarean section under spinal anesthesia?
Population
100 ASA I/II females scheduled for elective Cesarean section under spinal anesthesia
Comparison
Ephedrine 1 ml with normal saline administered… vs Phenylephrine 1 ml with normal saline…
Design
RCT, randomly assigned, double-blind
Follow-up
60 min from start of surgery
Authors
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Phenylephrine preferred over ephedrine for Cesarean hypotension to avoid vomiting and tachycardia; reinforces first-line use in RCT evidence.
RCT (n=100)
Double-blind
Randomly assigned
No
Does ephedrine compared to phenylephrine improve hemodynamics and side effect profiles in ASA I/II females with hypotension during elective Cesarean section under spinal anesthesia?
Absolute Event Rate: 14% vs 0%
p-value: p=<0.05
Both phenylephrine and ephedrine effectively treat maternal hypotension during spinal anesthesia for Cesarean section, but phenylephrine has a more favorable side effect profile regarding nausea, vomiting, and tachycardia.
Gunda et al. (2010) conducted an RCT in Maternal hypotension during spinal anesthesia for elective Cesarean section (n=100). Ephedrine vs. Phenylephrine 1 ml (100 μg/ml) bolus was evaluated on Incidence of vomiting (p=<0.05). While both ephedrine and phenylephrine effectively treated maternal hypotension during Cesarean section, ephedrine was associated with significantly higher rates of vomiting (14% vs 0%) and tachycardia (16% vs 0%).
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