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The clinical effects of equal hyperbaric doses of bupivacaine HCl and tetracaine HCl were studied and compared in 99 adult men undergoing spinal anesthesia for similar surgical procedures. The spinal anesthetic agents were used in random order in various dosages. Comparisons were made of (1) amount of anesthetic agent used, (2) elapsed time for onset of analgesia, (3) elapsed time for obtaining maximum anesthesia, (4) cephalad dermatome level of anesthesia, (5) incidence of motor blockade, and (6) duration of anesthesia. Results with the 2 drugs in equal dose, volume, and specific gravity were almost identical. However, tetracaine provided a motor block in a significantly greater number of patients than did pubivacaine (100 versus 42%, rho less than 0.001) when both drugs were used at the 9.75-mg dose level.
E A Pflug, and
G M Aasheim, and
H A Beck
October 1980,
Anesthesia and analgesia,
E A Pflug, and
G M Aasheim, and
H A Beck
September 1989,
Anesthesia and analgesia,
E A Pflug, and
G M Aasheim, and
H A Beck
January 1977,
Acta anaesthesiologica Scandinavica,
E A Pflug, and
G M Aasheim, and
H A Beck
January 1998,
Regional anesthesia and pain medicine,
E A Pflug, and
G M Aasheim, and
H A Beck
January 1997,
Regional anesthesia,
E A Pflug, and
G M Aasheim, and
H A Beck
January 2002,
Anesthesia and analgesia,
E A Pflug, and
G M Aasheim, and
H A Beck
June 1983,
Acta anaesthesiologica Scandinavica,
E A Pflug, and
G M Aasheim, and
H A Beck
September 1988,
Anesthesia and analgesia,
E A Pflug, and
G M Aasheim, and
H A Beck
January 2003,
Journal of anesthesia,
E A Pflug, and
G M Aasheim, and
H A Beck
January 1989,
Regional anesthesia,
