Phenylephrine versus ephedrine as prophylactic vasopressors for spinal anesthesia-induced hypotension: A randomized double-blind clinical trial
Introduction: Spinal anesthesia-induced hypotension (SAIH) remains one of the most frequent hemodynamic complications during spinal anesthesia, particularly among high-risk surgical patients. Vasopressor agents such as phenylephrine and ephedrine are commonly administered to prevent hypotension; however, their comparat...