Articles: ethyl-chloride.
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Randomized Controlled Trial
A Randomized, Double-Blind Trial to Determine if Vapocoolant in the Adult Population Improves Patient Perception of Pain With Peripheral Intravascular Access.
The purpose of this study was to investigate whether the use of a topical anesthetic spray (vapocoolant) at the site of intravenous access reduces pain and anxiety associated with peripheral intravenous (PIV) catheter insertion in an adult emergency department population. A randomized, double-blind, placebo-controlled, single-center trial, conducted from July to August, in an adult emergency department where 72 patients with orders for PIV insertion receiving either topical vapocoolant spray (n = 38) or placebo spray (n = 34). Vapocoolant or placebo was applied to the intravenous site and allowed to evaporate before cleansing and insertion. ⋯ Eighty-nine percent of nurses and patients would use vapocoolant in future procedures, whereas 74% would use placebo; the difference was not significant (p > 0.05). No skin blanching or lesions were noted. Among adult patients in the Parkland Emergency Department receiving PIV access, no significant differences in pain relief or alleviation of anxiety were found between treatment using a topical anesthetic spray or placebo.
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Randomized Controlled Trial Comparative Study
[Ethyl chloride aerosol spray for local anesthesia before arterial puncture: randomized placebo-controlled trial].
To compare the efficacy of an ethyl chloride aerosol spray to a placebo spray applied in the emergency department to the skin to reduce pain from arterial puncture for blood gas analysis. ⋯ Topical application of an ethyl chloride spray did not reduce pain caused by arterial puncture.
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Randomized Controlled Trial
Topical ethyl chloride to reduce pain associated with venous catheterization: a randomized crossover trial.
To compare pain associated with venous catheterization after administration of topical ethyl chloride vs placebo among emergency department health care providers. ⋯ We found that topical ethyl chloride yields a greater reduction in pain associated with venous catheterization compared with topical placebo.
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Biography Historical Article
Advertising and Uncovering E. H. Neiman's "New Anaesthetic".
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Int J Obstet Anesth · Oct 2010
Comparative StudyA comparison of a Neuropen monofilament and ethyl chloride for assessing loss of touch sensation during combined spinal-epidural anaesthesia for caesarean section.
Before caesarean section is performed under regional anaesthesia the block should be assessed, preferably using a touch stimulus. What constitutes a touch stimulus remains unclear. The aim of this study was to compare a Neuropen monofilament with ethyl chloride in the assessment of touch. ⋯ Data from this study suggest that a Neuropen monofilament and ethyl chloride are equivalent when used to assess a block to touch. However, subtle differences in the level of block to touch indicate that sensory level assessments should state the stimulus used. As the block to touch was below T5 at all time points, when opioids are added to local anaesthetics, T5 might no longer represent a necessary goal to ensure the absence of pain during caesarean section.