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Circulatory and Respiratory Physiological Phenomena (3)
Articles on Circulatory and Respiratory Physiological Phenomena
The role of physical activity and fitness on the metabolic syndrome in adolescents: effect of different scores. The AFINOS Study
The aim of this study was to examine the associations of objectively measured physical activity (PA) and cardiorespiratory fitness (CRF) with different continuous metabolic syndrome (MetS) scores in adolescents. A cross-sectional sub-sample of 202 adolescents (99 girls), aged 13-17 years, were selec...
Cardiorespiratory effects on default-mode network activity as measured with fMRI.
We used RETROICOR (Glover et al., : Magn Reson Med 44:162-167) in combination with additive linear modeling of changes due to respiration volume, heart rate and heart rate variability. CR effects were present within the frequency-range of the DMN and were located in areas of the DMN, but equal...
Correction for pulse height variability reduces physiological noise in functional MRI when studying spontaneous brain activity.
We used the photoplethysmogram (PPG), since this signal is based on a linear combination of oxy- and deoxyhemoglobin in the arterial blood, which is also the basis of fMRI. We derived a regressor from the variation in pulse height (VIPH) of PPG and added this regressor to the GLM. When this regresso...
Multicenter study of cigarette smoking among patients presenting to the emergency department with acute asthma
One-third of ED patients with acute asthma smoked cigarettes. Smokers and nonsmokers did not differ in their acute asthma severity. Asthmatic smokers, however, were more likely to receive antibiotics, even when adjusting for other possible confounders....
The physiology of dinosaurs: circulatory and respiratory function in the largest animals ever to walk the earth.
The cardiopulmonary physiology of dinosaurs-and especially of the long-necked sauropods, which grew much larger than any land animals before or since-should be inherently fascinating to anyone involved in respiratory care. What would the blood pressure be in an animal 12 m (40 ft) tall? How could ai...
Developing standard procedures for murine and canine efficacy studies of DMD therapeutics: report of two expert workshops on "Pre-clinical t...
Physicochemical factors that affect metal and metal oxide nanoparticle passage across epithelial barriers.
3D airway reconstruction using visible human data set and human casts with comparison to morphometric data.
Interactive effect of long-term mental stress and cardiac stress reactivity on carotid intima-media thickness: the Cardiovascular Risk in Yo...
We measured heart rate (HR), respiratory sinus arrhythmia (RSA), and pre-ejection period (PEP) in response to mental arithmetic and speech tasks. Vital exhaustion and carotid IMT were also measured. Significant associations were observed for men aged 28-37 years, but not for men aged 22-25 years, no...
Location and properties of respiratory neurones with putative intrinsic bursting properties in the rat in situ.
We provide the first description of the location, morphology and transmitter content of a population of respiratory neurones that retains a bursting behaviour after ionotropic receptor blockade. All burster neurones exhibited an inspiratory discharge during eupnoeic respiration. These neurones were...