ArticleIndian journal of anaesthesia2020
Multipoint transcutaneous electrical stimulation reduces median effective plasma concentration of propofol: A randomised clinical trial.
Article in Indian journal of anaesthesia, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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3 authors at 3 institutions in 1 country.
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Abstract
BACKGROUND AND
aimsPrevious work shows that transcutaneous electrical stimulation (TES) has analgesic and sedative effects. However, it is unclear whether TES can affect the sedative effect of propofol or not. This study was designed to assess the effect of TES on median effective plasma concentration (Cp50) of propofol and haemodynamic changes before and after tracheal intubation.
methods48 patients belonging to ASA I or II posted for thyroidectomy were randomly allocated into control and TES groups. Up-and-down method was used to determine Cp50 of propofol. The average concentration of propofol in each crossover was calculated and the average concentration of those six values was defined as Cp50 of propofol.
resultsCp50 of propofol was 3.70 ± 0.28 μg/mL and 3.08 ± 0.31 μg/mL in control and TES groups, respectively (
conclusionTES can make an assistant effect on sedation and decrease Cp50 of propofol. But the haemodynamic fluctuations in TES group, especially the HR changes, seem to be more obvious than those in control group.
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