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Inter-Day Reliability of Finapres® Cardiovascular Measurements During Rest and Exercise

Mark Waldron Orcid Logo, Stephen David Patterson, Owen Jeffries

Sports Medicine International Open, Volume: 02, Issue: 01, Pages: E9 - E15

Swansea University Author: Mark Waldron Orcid Logo

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DOI (Published version): 10.1055/s-0043-122081

Abstract

This study evaluated the inter-day test-retest reliability of the Finapres® finger pulse pressure measuring device during rest and exercise. Eight male participants visited the laboratory twice for evaluation of the inter-day reliability of the Finapres® finger-pulse pressure device to measure: hear...

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Published in: Sports Medicine International Open
ISSN: 2367-1890
Published: Georg Thieme Verlag 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa51602
Abstract: This study evaluated the inter-day test-retest reliability of the Finapres® finger pulse pressure measuring device during rest and exercise. Eight male participants visited the laboratory twice for evaluation of the inter-day reliability of the Finapres® finger-pulse pressure device to measure: heart rate (HR), stroke volume (SV), cardiac output (Q̇) and mean arterial pressure (MAP) at rest, and treadmill walking at 3 km/h on 1% and 5% inclines. There were no systematic biases for any of the variables between days. The coefficient of variation (CV%) and 95% limits of agreement (95% LoA) was smallest for MAP (CV%=1.6–3.2%; LoA total error=4.6–12 mmHg) and HR (CV%=3.2–3.9%; LoA total error=6.8–11.9 b/min), increasing with exercise intensity (gradient). The pattern of error was different for Q̇, with decreasing CV% (4.8–3.8%) and LoA (4.2–5.7 L/min) from rest to 5% gradient, with the larger errors occurring for resting SV (CV=7.4%; LoA total error=21.5 ml). The device measures MAP and HR reliably between days; however, error increases at higher intensities. The measurement of SV is less reliable, probably owing to underlying algorithmic assumptions.
College: Faculty of Science and Engineering
Issue: 01
Start Page: E9
End Page: E15

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