Objective: To assess the impact of a locally applied vibrating device on outpatient venipuncture in children.
Method: A retrospective review of survey data collected prospectively as part of a quality improvement project. Both patients and phlebotomists were surveyed. The sample consisted of 64 children aged 4 to 18 years (29 prior to the implementation of the vibrating device and 35 afterward) and 7 phlebotomists.
Results: Prior to the use of the vibrating device, 17 children (59%) indicated that they wished something had been done to decrease venipuncture pain. Eighty percent of the cohort that used the vibrating device indicated that they would like it used for future procedures. Children with previous venipuncture experiences appeared to benefit most from use of the vibrating technique. The phlebotomists reported that vibration made the procedure easier in 81% of the cases; none reported that it complicated the procedure.
Conclusions: Locally applied vibration appears to be a well-accepted technique to minimize pediatric venipuncture discomfort that may facilitate completion of the procedure.
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http://dx.doi.org/10.1177/0009922814538494 | DOI Listing |
Nanoscale
January 2025
Laboratory for Multiscale Mechanics and Medical Science, SV LAB, School of Aerospace, Xi'an Jiaotong University, Xi'an 710049, China.
Based on the molecular dynamics (AIMD), the temperature and velocity statistics of diatomic semiconductors were proposed to be classified by atomic species. The phase differences resulting from lattice vibrations of different atoms indicated the presence of anharmonicity at finite atomic temperatures. To further explore the electronic properties, the effect of temperature on electrostatic potential field vibrations in semiconductors was studied, and the concept of electrostatic potential oscillation (EPO) at finite atomic temperature was introduced.
View Article and Find Full Text PDFJ Am Chem Soc
January 2025
School of physical science and technology, ShanghaiTech University, Shanghai 201210, China.
Implanting heteroatoms into organic π-conjugated molecules (OCMS) offered a great opportunity to fine-tune the chemical structures and optoelectronic properties. This work describes a new family of 1,4-azaphosphinines with extended σ-π hyperconjugations. The photophysical studies revealed that azaphosphinines exhibited narrow-band thermally activated delayed fluorescence (TADF) ( full width at half-maximum: 26-40 nm).
View Article and Find Full Text PDFACS Appl Mater Interfaces
January 2025
Department of Physics, School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100044, China.
Two-dimensional (2D) materials with spontaneous polarization can exhibit large second-order nonlinear optical (NLO) effects. Here, we present a series of stable distorted monolayers by using first-principles calculations and lattice vibration analysis. The structural distortion leads to a lower polar symmetry, giving rise to intrinsic ferroelectricity with a Curie point up to room temperature.
View Article and Find Full Text PDFClin Res Hepatol Gastroenterol
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Hepatology Unit, Bordeaux University Hospital, Pessac, France.
Purpose: Hepatoscope® is an ultraportable ultrasound system with 50 Hz two-dimensional transient elastography (2DTE) for liver stiffness measurement (LSM). It provides a quality index (QI) for individual stiffness values that is based on imaging features. This study evaluated the 2DTE intra- and inter-user repeatability in patients with chronic liver diseases (CLD) for novice and expert operators across various QI conditions.
View Article and Find Full Text PDFJ Phys Condens Matter
January 2025
South China Normal University, School of Physics, Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Basic Research Center of Excellence for Structure and Fundamental Interactions of Matter, Guangzhou, 510631, CHINA.
With the continuous development of digital information and big data technologies, the ambient temperature and heat generation during the operation of magnetic storage devices play an increasingly crucial role in ensuring data security and device stability. In this study, we examined the lattice thermal conductivity of the van der Waals magnetic semiconductor CrSBr from bulk to monolayer structures using first-principles calculations and the phonon Boltzmann transport equation. Our results indicated that lattice thermal conductivity show anisotropy and CrSBr bilayer exhibits lower thermal conductivity at all temperatures.
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