| Comparative Study of Spinal Anesthesia between 0.5% Hyperbaric Bupivacaine( Marcaine )and Tetracaine( Pantocaine ). |
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Kyu Ho Sim, Il San Tae, Ji Han Rhyu, Byung Don Chun, Hoo Jeon Lee, Sin Woo Lee |
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Department of anesthesiology, Kwang Myung Sung Ae General Hospital, Gyung Gi Do, Korea. |
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| Abstract |
BACKGROUND
The aim of this study was to compare the difference in hemodynamic change and in sensory or motor block between hyperbaric tetracaine and bupivacaine in spinal anesthesia.
METHODS
The sixty-three patients, belonged to ASA class 1 and 2, were divided into tetracaine group and bupivacaine group. The patients were administered 0.5% hyperbaric tetracaine(Pantocaine ) in tetracaine group and 0.5% hyperbaric bupivacaine(Marcaine ) in bupivacaine group, intrathecally. After intrathecal injection of the agents, we measured the change of sensory block level according to pinprick test, the motor block by the modified Bromage score until fixations was achieved, and the blood pressure and heart rate.
RESULTS
The two groups did not differ significantly with loss of sensory level and onset time. Bupivacaine group was revealed a slower fixations of motor block than tetracaine group(p<0.05). Changes of systolic blood pressure and mean arterial blood pressure of bupivacaine group were less than tetracaine group(p<0.05) in 2~25 minutes and 6~15 minutes, respectively. Diastolic blood pressure and heart rate were not different statistically in two groups.
CONCLUSION
Spinal anesthesia with hyperbaric bupivacaine was revealed less changes of systolic blood pressure and mean arterial blood pressure than hyperbaric tetracaine, although fixation of motor block was delayed onset.
Therefore, we thought that spinal anesthesia with hyperbaric bupivacaine may be used more safe than hyperbaric tetracaine in hemodynamical troublesome case. |
| Key Words:
Anesthesia spinal; Anesthetics tetracaine; bupivacaine |
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