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Oscillometric central blood pressure and central systolic loading in stroke patients: Short-term reproducibility and effects of posture and fasting state

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  • Andrew Mitchelmore
  • Lee Stoner
  • Danielle Lambrick
  • Lucy Sykes
  • Charlotte Eglinton
  • Simon Jobson
  • James Faulkner

Abstract

Background: This study examined the short-term reproducibility of non-invasive estimates of central and peripheral blood pressure and markers of central systolic loading (augmentation index [AIx; a measure of central systolic loading] and AIx75 [AIx standardised to 75 b·min-1 heart rate]) and the effect of posture and fasting state on these variables in patients with acute stroke. Methods: Twenty-two acute stroke patients (72 ± 10y) had blood pressure measured using the SphygmoCor XCEL in supine and seated postures and whilst fasted and non-fasted. Results: Acceptable short-term reproducibility (ICC >0.75) was reported for all peripheral and central variables in all conditions (ICC = 0.77–0.90) and for AIx and AIx75 in both fasted postures (ICC = 0.78–0.81). Food consumption significantly lowered all blood pressures (p

Suggested Citation

  • Andrew Mitchelmore & Lee Stoner & Danielle Lambrick & Lucy Sykes & Charlotte Eglinton & Simon Jobson & James Faulkner, 2018. "Oscillometric central blood pressure and central systolic loading in stroke patients: Short-term reproducibility and effects of posture and fasting state," PLOS ONE, Public Library of Science, vol. 13(11), pages 1-12, November.
    • Handle: RePEc:plo:pone00:0206329
    DOI: 10.1371/journal.pone.0206329
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