Epinephrine increases the effectiveness of tetracaine spinal anesthesia

The effect of epinephrine on the need for supplementation of spinal anesthesia produced with hyperbaric tetracaine was assessed in 60 patients undergoing transurethral resection of the prostate. Patients were randomly assigned to receive either 6 mg tetracaine alone (n = 20), 6 mg tetracaine with 0....

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