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KMID : 0356920130640030234
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Korean Journal of Anesthesiology
2013 Volume.64 No. 3 p.234 ~ p.239
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Effect of position changes after spinal anesthesia with low-dose bupivacaine in elderly patients: sensory block characteristics and hemodynamic changes
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Kim Hye-Young
Lee Myeong-Jong
Kim Mi-Na
Kim Ji-Sub
Lee Won-Sang
Lee Kyu-Chang
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Abstract
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Background: The purpose of this study is to compare the anesthetic characteristics in elderly patients who remain in sitting position for 2 min compared with patients that are placed in supine position after induction of spinal anesthesia.
Methods: Fifty-seven patients scheduled for transurethral surgery were randomized to assume supine position immediately after 6.5 mg hyperbaric bupivacaine were injected (L group) or to remain in the sitting position for 2 minutes before they also assumed the supine position (S group). Analgesic levels were assessed bilaterally, using pin-prick. Motor block was scored using a 12-point scale. The mean arterial pressure and heart rate were also recorded.
Results: Sensory block levels were significantly lower at all time points for the L group. However, there were no significant differences in the degree of the motor block and hemodynamic changes between the two groups. However, in the L group, ephedrine or atropine were administered to three patients.
Conclusions: We concluded that performing a spinal anesthesia in sitting position was technically easier and induced less hypotension.
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KEYWORD
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Bupivacaine, Geriatric, Sensory block, Spinal
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