Necrosis of the fat cells in all the phosphatidylcholine-injected animals was observed. Further studies should be performed to clarify and determine the mechanisms of action.

Both lipid and nanoemulsion formulations of propofol elicited pain on intravenous injection; however, the nanoemulsion solution elicited a less intense pain. Lipid and nanoemulsion propofol formulations showed neither hemodynamic changes nor adverse effects of clinical relevance.

The anesthetic efficacy of levobupivacaine in brachial plexus block was similar to that of the racemic solution commonly used.

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The anesthetic efficacy of levobupivacaine in brachial plexus block was similar to that of the racemic solution commonly used.

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Intravenous isoflurane in lipid emulsion has promoted bispectral index decrease, hemodynamic and respiratory stability and direct correlation with its expired fraction. Intravenous isoflurane in lipid emulsion may be a safe modality for this anesthetic delivery.