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LED-bed therapy of cardiovascular disorders: A volunteer study

  • University of Latvia

Research output: Chapter in Book/Report/Conference proceedingConference paperResearchpeer-review

Abstract

Studies of the physiological response of human half-body illumination by a specially designed bed comprising large number of LEDs emitting in the red and near infrared spectral range were carried out in a group of 32 volunteers comprising healthy subjects and hypertension patients. Blood pressure, heart rate and arterial blood oxygen saturation, as well as the bed surface temperature were continuously monitored during the measurement sessions with and without aluminum foil cover on the bed surface. None of the volunteers exhibited any notable changes in the heart rate and blood oxygenation during the procedures. The LightStim LED-bed session did not produce changes of arterial pressure in normotensive group, while decreased blood pressure exhibited 2/3 of hypertensive patients. The thermal emission from the bed may serve as a dominant contributor to the observed effects on cardiovascular system.

Original languageEnglish
Title of host publicationMechanisms of Photobiomodulation Therapy XV
EditorsMichael R. Hamblin, James D. Carroll, Praveen Arany
Place of PublicationBellingham
PublisherSPIE
Pages1-9
Volume11221
ISBN (Electronic)9781510632059
ISBN (Print)978-151063205-9, 9781510632059
DOIs
Publication statusPublished - 2020

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume11221
ISSN (Print)1605-7422

OECD Field of Science

  • 3. Medical and Health Sciences

Keywords

  • LED-bed therapy
  • Light-tissue interactions
  • Photo- and thermo-stimulation

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