Frequency-resolved analysis of coherent oscillations of local cerebral blood volume, measured with near-infrared spectroscopy, and systemic arterial pressure in healthy human subjects

• Published in: PloS one Vol. 14; no. 2; p. e0211710
• Main Authors: Tgavalekos, Kristen, Pham, Thao, Krishnamurthy, Nishanth, Sassaroli, Angelo, Fantini, Sergio
• Format: Journal Article
• Language: English
• Published: United States Public Library of Science 12.02.2019; Public Library of Science (PLoS)
• Subjects: Adult; Analysis; Arterial Pressure - physiology; Biology and Life Sciences; Biomedical engineering; Blood flow; Blood pressure; Blood volume; Cerebral blood flow; Cerebral Blood Volume - physiology; Cerebrum - blood supply; Cerebrum - chemistry; Cerebrum - physiology; Cuffs; Deflation (Economics); Engineering; Female; Frequency analysis; Glycosylated hemoglobin; Hemodynamics; Hemoglobin; Hemoglobins; Hemoglobins - analysis; Human subjects; Humans; I.R. radiation; Inflation (Economics); Infrared spectra; Infrared spectroscopy; Male; Medicine and Health Sciences; Middle Aged; Near infrared radiation; Near infrared spectroscopy; Oscillations; Parameters; Plethysmography; Prefrontal cortex; Research and Analysis Methods; Spatial variability; Spectroscopic analysis; Spectroscopy; Spectroscopy, Near-Infrared; Spectrum analysis; Time constant; Transfer functions; Variability; Young Adult; United States > US; Massachusetts

We report a study on twenty-two healthy human subjects of the dynamic relationship between cerebral hemoglobin concentration ([HbT]), measured with near-infrared spectroscopy (NIRS) in the prefrontal cortex, and systemic arterial blood pressure (ABP), measured with finger plethysmography. [HbT] is a...