| The comparison among Mechanical, Electromyographic and Accelerographic responses during recovery from vecuronium induced neuromuscular blockade. |
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Hee Jeong Son, Ji Heui Lee, Sun Woo Park, Dae Soon Cho |
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Department of Anesthesiology, Korea Cancer Center Hospital, Seoul, Korea. |
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| Abstract |
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As the use of muscle relaxants routinize in the clinical general anesthesia, the proper estimation of neuromuscular blockade and recovery is needed for the more safe anesthetic management. Three recording methods of measurement in recovery are available; measurement of the evoked mechanical responses (mechanography), measurement of the evoked electrical responses (electromyography), and measurement of the acceleration of the muscle responses, The purpose of this study was to evaluate the correlations among mechanomyographic, electromyographic and accelerographic responses during recovery from vecuronium induced neuromuscular blockade. 15 ASA class 1 adult patients were studied. Measurements were as follows: 1) Recovery time of T(1)/Tc, of 25%, 50%, 75%, 90% and 100% in each device. 2) Recovery index in each device 3) The values of T(1)>Tc, in EMG and ACC corresponding ta that of MMG. 4) The values of TOF ratio in EMG and ACC corresponding to that of MMG. The results were as follows: 1) Recovery time of T(1). |
| Key Words:
vecuronium; Mechanomyography; Electromyography; Accelerograph |
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