Publications by authors named "Tomoya Ikuta"
Article Synopsis
- Oxygenated haemoglobin (OHb) and total haemoglobin (THb) normally increase with exercise, but this response is lower in patients with chronic heart failure and remains unexplored post-cardiac surgery.
- The study measured cerebral oxygenation in the prefrontal cortex (PFC) of 14 patients recovering from cardiovascular surgery during a cardiopulmonary exercise test (CPX).
- Results showed that at peak exercise, OHb and regional cerebral oxygen saturation (rSO) significantly decreased while deoxygenated haemoglobin (HHb) increased, indicating reduced oxygen supply to the PFC in these patients.
AZO-coated ZnO core-shell nanorods were successfully fabricated using the mist chemical vapor deposition method. The influence of coating time on the structural, optical, and photocatalytic properties of zinc oxide nanorods was investigated. It was observed that the surface area of AZO-coated ZnO core-shell nanorods increased with an increase in coating time.
View Article and Find Full Text PDFBackground: Ulnar collateral ligament (UCL) injury is a common sports injury among overhead-throwing athletes and causes medial elbow pain and instability. UCL injury is generally diagnosed based on symptoms, physical findings, and image evaluation. To standardize the method for evaluating elbow valgus instability, more information is needed regarding changes in the medial elbow joint space (JS) in healthy elbows.
View Article and Find Full Text PDFInfluence of Continuous Elbow Valgus Stress on the Medial Elbow Joint Space.
Orthop J Sports Med
October 2021
Background: To investigate the effect of ulnar collateral ligament stretching due to the "creep phenomenon," the effect of accumulating elbow valgus stress on ligaments must be clarified.
Purpose: To evaluate the effect of continuous elbow valgus stress on the medial elbow joint space (JS).
Study Design: Controlled laboratory study.
The purpose of this study was to examine changes in the control of sweating by heat acclimation by using frequency of sweat expulsion (Fsw), an index of central sudomotor activity. Eight healthy young volunteers underwent a six-day heat acclimation program [a total of 80-min exercise at 50% peak rate of oxygen consumption in the heat (36 degrees C)]. In the days before and after the heat acclimation program, we examined the local sweating rate (SR) at the chest and forearm, Fsw and esophageal temperature (Tes) during whole body heating using a water-perfused suit.
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