Impact of the coronavirus disease 2019 (COVID-19) pandemic on the operational efficiency of emergency medical services and its association with out-of-hospital cardiac arrest survival rates: A population-based cohort study in Kobe, Japan.

Aim: To identify whether the coronavirus disease 2019 (COVID-19) pandemic affects the operational efficiency of emergency medical services (EMS) and the survival rate of out-of-hospital cardiac arrest (OHCA) in prehospital settings.

Methods: We conducted a population-based cohort study in Kobe, Japan, between March 1, 2020, and September 31, 2022. In study 1, the operational efficiency of EMS, such as the total out-of-service time for ambulances, the daily occupancy rate of EMS, and response time, was compared between the pandemic and nonpandemic periods.

Effect of electromyography-triggered peripheral magnetic stimulation on voluntary swallow in healthy humans.

Background: Electrical stimulation therapy is effective for patients with dysphagia. However, because of the pain, strong stimulation cannot be applied. Although magnetic stimulation induces less pain, there are no reports on magnetic stimulation being synchronised with a swallowing reflex.

High-Pressure Synthesis and Magnetic States of Magnetoplumbite Cobaltates CaCoO and BaCoO.

Novel cobalt oxides, CaCoO and BaCoO, have been synthesized under high-pressure and high-temperature conditions of 7 GPa and 1373 K, respectively. Rietveld refinement using synchrotron X-ray diffraction data indicates that the CaCoO and BaCoO crystallize in a magnetoplumbite structure with a hexagonal space group of 6/ (No. 194) as well as SrCoO.

A Sequential Electron Doping for Quadruple Perovskite Oxides CuCoO ( = Ca, Y, Ce).

A novel quadruple perovskite oxide CeCuCoO has been synthesized in high-pressure and high-temperature conditions of 12 GPa and 1273 K. Rietveld refinement of the synchrotron X-ray powder diffraction pattern reveals that this oxide crystallizes in a cubic quadruple perovskite structure with the 1:3-type ordering of Ce and Cu ions at the -site. X-ray absorption spectroscopy analysis demonstrates the valence-state transitions in the CuCoO series ( = Ca, Y, Ce) from CaCuCoO to YCuCoO to CeCuCoO, where the electrons are doped in the order from -site (Co → Co) to '-site (Cu → Cu).