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Filter by:This prospective, randomized crossover trial will enroll adult healthy volunteers. Initially, the subject's peak inspiratory flow will be measured using a mask connected with a respiratory monitor. Subsequently, the volunteers will undergo HFNC treatment at different flow settings while their peak inspiratory flow will be continuously monitored. The primary outcome of this study is the lung aeration with different flow settings. Secondary outcomes include the lung aeration with different devices, subject's comfort at different flow settings, and the correlation between the subject's peak inspiratory flow measured by HFNC and by a mask connected with a respiratory monitor.
The aim of GENESIS clinical study is to map the HLA genomic region in the Greek population and evaluate possible correlations with selected underlying diseases.
Threonine is an essential amino acid and must be obtained from the diet. The body's capacity to maintain adequate mucin synthesis is directly related to the bioavailability of certain amino acids, including threonine, serine and proline (1). Moreover, the rate of mucin synthesis has been demonstrated to be directly related to the availability of dietary threonine in healthy rats (2) and piglets (3,4). Intestinal inflammation is known to increase gastrointestinal threonine uptake and mucin synthesis in enterally fed minipigs (5). Additionally, in animals, mucin function/barrier has been shown to decline with age, leaving them more susceptible to bacterial penetration. Thus, with advancing age (6), a higher dietary supply of threonine may be needed for maintaining intestinal mucosal health. Despite this, the current threonine requirement is based on studies conducted exclusively in young adults. Thus, there is a need to determine the threonine requirement directly in older adults.
The purpose of this study is to evaluate pulmonary capillary wedge pressure (PCWP) and other hemodynamic measurements at rest and during exercise in healthy volunteers across the age spectrum.
The purpose of this study is to investigate the cerebral activation of healthy and stroke participants in 4 or 2 different conditions (repeated 2 times) of vibration-induced illusion of movement respectively, resulting in 8 or 4 vibration blocks with 3 vibrations per block. The frequency of the vibration being 80 Hz. Healthy participants: - Right arm, eyes opened - Right arm, eyes closed - Left arm, eyes opened - Left arm, eyes closed Stroke participants: - Deficient side, eyes opened - Deficient side, eyes closed The aim is to compare the subjective sensation of movement score and cerebral activations of healthy/stroke participants depending on the condition.
The present study aims to quantify the insulin sensitivity and the skeletal muscle protein synthetic response to consuming a test drink containing all amino acids or all amino acids except for BCAAs.
We will sample intestinal microbiota using a microbiome sampling capsule in Healthy, Irritable Bowel Syndrome (IBS), and Functional Gastrointestinal Disease.
The goal of this study is to investigate the mechanisms of impaired gastric accommodation and emptying, dysfunctional duodenum, and micro-inflammation using novel imaging techniques of SPECT/CT, gastric emptying scintigraphy, MRI, high-resolution manometry, and inflammatory biomarkers, as well as to validate these mechanisms using a therapeutic trial of neuromodulator (mirtazapine) in functional dyspepsia (FD) and health. The main objective[s] it aims to answer are: - to investigate impaired gastric accommodation through SPECT/CT imaging and high-resolution manometry findings of the stomach fundus. - to investigate impaired gastric emptying through gastric emptying scintigraphy - to investigate for a dysfunctional duodenum through MRI imaging of the duodenum. - to investigate micro-inflammation through SPECT/CT standard uptake value (SUV), inflammatory biomarkers (eosinophils, mast cells, IL-6, IL-10) and mucosal barrier marker (E-cadherin). - to investigate if a therapeutic trial of a neuromodulator agent, mirtazapine, ameliorates symptoms of FD through improvement in impaired gastric accommodation. For objectives 1-4, FD patients and healthy volunteers will be consecutively recruited, and all will undergo SPECT/CT, MRI, high-resolution manometry and biomarkers, and data acquired from these tests will be analyzed. For objective 5, the enrolled participants who did all baseline tests/markers are given mirtazapine for four weeks, and all tests/markers, except biomarkers and MRI, are repeated at the end of the trial
Previous studies have shown that healthy individuals who take more steps per day and who spend more time on moderate- to vigorous-intensity activities exhibit better pain inhibition and less pain facilitation. Furthermore, exercise training (i.e., exercise performed over a number of sessions) can result in reduced pain sensitivity (increased pressure pain threshold). However, the optimal exercise prescription required to achieve pain sensitivity reduction is currently unclear. The next step is to determine experimentally whether increasing physical fitness will lead to positive effects on central pain processing (i.e., pain sensitivity, pain modulation, spinal nociception). The aim of this study is to examine the effects of two exercise programs on central pain processing in healthy sedentary individuals. In case of positive effects, this would provide a rationale for the future to investigate this in chronic pain patients with impaired pain modulation.
This study, based on preliminary experimental results, literature review, and expert consultations, developed the Attentional Rating Scale (ARS). The aim was to rapidly assess participants' attention and potential influencing factors. The research focused on the scale's reliability and validity among healthy adults. Additionally, the Attention Network Test (ANT) served as the gold standard for evaluating attention. The study attempted to identify correlations between various dimensions of attention and the three attentional networks.