Document Classification

Section Type: METHODS

Text: One hundred fifty-nine ASA physical status 1 or 2 patients undergoing outpatient knee arthroscopy or unilateral inguinal hernia repair were prospectively randomized to receive spinal anesthesia with 5 % hyperbaric lidocaine with epinephrine (60 mg with 0. 2 mg epinephrine for arthroscopy or 75 mg with 0. 2 mg epinephrine for hernia repair), 2 % isobaric lidocaine without epinephrine (60 mg for arthroscopy or 75 mg for hernia repair), or 0. 75 % hyperbaric bupivacaine without epinephrine (7. 5 mg for arthroscopy or 9. 0 mg for hernia repair) in a double-blinded fashion.