Self-control of interbeat interval and pulse transit time at rest and during exercise

A preliminary report

D. W. Johnston, C R Lo, G V Marie, J. Van Jones

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Attempts were made to establish self–control of interbeat interval (IBI) and pulse transit time (PTT) by providing appropriate biofeedback information to volunteers at rest and during dynamic and isometric exercise. Product feedback (IBI × PTT) was found more reliable than simple instruction in allowing subjects to reduce heart rate (HR) and systolic blood pressure (SBP) during dynamic exercise. It also produced greater increases in IBI and PTT than did habituation or relaxation under the same conditions. Product feedback was also superior to the use of other techniques at rest, but PTT feedback did not produce significant control of pressor responses during isometric exercise. Possible reasons for this failure are discussed. Preliminary results of feedback training given to 7 anginal patients suggest that such procedures might help to lower nitroglycerin consumption, decrease the frequency of anginal attacks and increase exercise
Original languageEnglish
Pages (from-to)238-243
Number of pages6
JournalActa Medica Scandinavica
Volume211
Issue numberS660
DOIs
Publication statusPublished - 1982

Fingerprint

Pulse Wave Analysis
Exercise
Blood Pressure
Nitroglycerin
Volunteers
Heart Rate

Keywords

  • angina pectoris
  • exercise
  • biofeedback
  • systolic blood pressure
  • pulse transit time
  • interbeat interval
  • heart rate

Cite this

Self-control of interbeat interval and pulse transit time at rest and during exercise : A preliminary report. / Johnston, D. W.; Lo, C R; Marie, G V; Van Jones, J. .

In: Acta Medica Scandinavica, Vol. 211, No. S660, 1982, p. 238-243.

Research output: Contribution to journalArticle

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