Regular ArticleDynamic Coherence Analysis of Vasomotion and Flow Motion in Skeletal Muscle Microcirculation
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Skin blood flow response to locally applied mechanical and thermal stresses in the diabetic foot
2013, Microvascular ResearchCitation Excerpt :Research studies have demonstrated that diabetes causes endothelial dysfunction and autonomic nervous impairment while their effect on the impaired microvascular reactivity and pathogenesis of diabetic foot ulcers remains largely unknown. Skin blood flow is featured for variations due to vasomotion and is influenced by temporal and spatial factors (Bertuglia et al., 1996; Jan et al., 2005). Assessing the dynamics of skin blood flow has been demonstrated to be a more reliable method to study microvascular reactivity (Geyer et al., 2004; Humeau et al., 2004; Stefanovska et al., 1999).
Mathematical modeling of cardiovascular coupling: Central autonomic commands and baroreflex control
2011, Autonomic Neuroscience: Basic and ClinicalCitation Excerpt :Simulation of variability in vascular R caused by vasomotion and local metabolic control as slow random fluctuations represented a simplification of biological reality. Nonetheless, the frequency of simulated R fluctuations broadly agrees with experimental evidence (Bertuglia et al., 1996) and independence of these R fluctuations in different vascular beds was an improvement with respect to a previous modeling effort (Ursino and Magosso, 2003). Another limitation of our study is that the paucity of evidence on sympathetic and especially on vagal nerve recordings in freely-behaving animals makes it presently impossible to ascertain whether we reliably modeled physiological modifications of autonomic activity during CAC in humans.
Wavelet analysis of sacral tissue oxygenation oscillations by near-infrared spectroscopy in persons with spinal cord injury
2011, Microvascular ResearchCitation Excerpt :Measurements have been shown to effectively report blood and tissue oxygen saturation, probing to the depth of skeletal muscle (Boushel and Piantadosi, 2000; Maikala and Bhambhani, 2008). Spectral analysis of the skin flowmotion signal deal with changes in the dynamics of blood flow and has been introduced as an approach for the evaluation of microvascular control mechanisms (Bertuglia et al., 1996; Brienza et al., 2005). Vascular flowmotion signals consist of notably different features in both time and frequency.
Post pressure response of skin blood flowmotions in anesthetized rats with spinal cord injury
2009, Microvascular ResearchLocal Regulation of Microvascular Perfusion
2008, MicrocirculationWavelet-Based Spectrum Analysis of Sacral Skin Blood Flow Response to Alternating Pressure
2008, Archives of Physical Medicine and Rehabilitation