Neonatal intensive care may consider associations of cardiovascular rhythms with local magnetic disturbance

  • E. V. Syutkina
  • , G. Cornelissen
  • , A. E. Grigoriev
  • , M. D. Mitish
  • , T. Turti
  • , G. V. Yatsyk
  • , K. Pimenov
  • , T. K. Breus
  • , M. Y. Studenikin
  • , J. Siegelova
  • , B. Fiser
  • , J. Dusek
  • , D. Johnson
  • , F. Halberg

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

The blood pressure (BP) and heart rate (HR) of 32 newborns were measured around the clack at about 15-minute intervals for 5 to 20 days to examine any association of their time structure with changes in the local geomagnetic disturbance index (Moscow K) during the exact monitoring span of each baby. Cross-spectral coherence between the geophysical and physiological data series showed associations in the infradian and ultradian domains. Nonlinear least squares analysis of circaseptan components, determined with a trial period of 168 hours (1 week), previously shown to be prominent in early extrauterine life, showed a positive association of the period between local K and neonatal BP and a negative correlation of the amplitude between local K and neonatal HR.

Original languageEnglish (US)
Pages (from-to)217-228
Number of pages12
JournalScripta Medica Facultatis Medicae Universitatis Brunensis Masarykianae
Volume70
Issue number4-5
StatePublished - 1997

Keywords

  • Cicaseptan rhythm
  • Geomagnetic disturbances
  • Neonatal heart rate and blood pressure periodicities

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