The aim of this clinical trial is to evaluate the difference of analgesic potency of sevoflurane and desflurane at equi-minimum alveolar concentration using a surgical pleth index.
Volatile anesthetics vary in their relative hypnotic potencies. Recent studies demonstrated that equi-minimum alveolar concentration of various volatile anesthetics produced different EEG-derived indices such as bispectral index. However, there was no controlled study that demonstrates the difference of analgesic potency. The aim of this clinical trial is to evaluate the difference of analgesic potency of sevoflurane and desflurane at equi-minimum alveolar concentration using a surgical pleth index.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
TRIPLE
Enrollment
77
Anesthesia was maintained with sevoflurane in patients undergoing arthroscopic shoulder surgery under general anesthesia and interscalene brachial plexus block.
Anesthesia was maintained with desflurane in patients undergoing arthroscopic shoulder surgery under general anesthesia and interscalene brachial plexus block.
Kangbuk Samsung Hospital
Seoul, South Korea
Analgesic potency of volatile anesthetics
The analgesic potency was evaluated by surgical pleth index value
Time frame: the first 60 min of maintaining a steady state 1 MAC of volatile agents
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