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  • The effect of oral hydration and localised heat on peripheral vein diameter and depth: A randomised controlled trial

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    Author(s)
    Sharp, Rebecca
    Childs, Jessie
    Bulmer, Andrew C
    Esterman, Adrian
    Griffith University Author(s)
    Bulmer, Andrew C.
    Year published
    2018
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    Abstract
    Background: Accessing the peripheral veins for blood sampling and short-term peripheral intravenous catheterinsertion is common in contemporary healthcare. Clinicians may apply heat or promote oral hydration to in-crease vein diameter and reveal veins to improve success rates. However, there is limited research that hasexamined the effect of these interventions on vein diameter and depth.Objectives: To determine the effect of localised heat and oral hydration on vein diameter and depth.Design: A three arm parallel randomised controlled trial was undertaken with 39 healthy participants from aUniversity. All participants fasted ...
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    Background: Accessing the peripheral veins for blood sampling and short-term peripheral intravenous catheterinsertion is common in contemporary healthcare. Clinicians may apply heat or promote oral hydration to in-crease vein diameter and reveal veins to improve success rates. However, there is limited research that hasexamined the effect of these interventions on vein diameter and depth.Objectives: To determine the effect of localised heat and oral hydration on vein diameter and depth.Design: A three arm parallel randomised controlled trial was undertaken with 39 healthy participants from aUniversity. All participants fasted from food and fluid from midnight. At 10 am the next day, a mark was made atthe cephalic (120 mm proximal from the radial styloid) and median cubital veins (at cubital fossa) with non-permanent ink and participants underwent baseline vein diameter and depth measurement using ultrasound.Participants were randomised to either a control, heat or hydration group. Participants in the hydration armconsumed 1 L of room temperature tap water, those in the heat group had a wheat bag applied to the area for10 min and those in the control group had no intervention and were asked to sit quietly. A second measurementwas undertaken immediately after the heat intervention and 1 h after the baseline measurement for those in thehydration and control groups.Results: The application of localised heat and oral hydration did not affect the depth of the cephalic vein. Whilsthydration had no effect on median cubital vein depth, the application of heat did make this vein more superficialcompared to the control group (p = 0.033). The application of heat resulted in a statistically significant(p = 0.006) increase in cephalic vein diameter compared to the control group, this effect did not occur with themedian cubital vein (p = 0.087). Oral hydration resulted in a reduction in the mean diameter of both veins.Compared to the control group, the average median cubital vein diameter decreased by 0.57 mm (p = 0.003;95% CI −0.940 to −0.193) and the cephalic vein reduced by 0.33 mm (p = 0.015; 95% CI −0.593 to −0.064)after oral hydration.Conclusion: The use of localised heat was inconsistent in its effect on vein diameter and depth. Oral hydrationcaused a reduction in vascular calibre in both the cephalic and median cubital veins. The promotion of waterconsumption to improve venepuncture success is not supported.
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    Journal Title
    Applied Nursing Research
    Volume
    42
    DOI
    https://doi.org/10.1016/j.apnr.2018.06.013
    Copyright Statement
    © 2018 Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence (http://creativecommons.org/licenses/by-nc-nd/4.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, providing that the work is properly cited.
    Subject
    Nursing
    Nursing not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/379835
    Collection
    • Journal articles

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