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Título: | Direct estimation of central aortic pressure from measured or quantified mean and diastolic brachial blood pressure: agreement with invasive records |
Autor: | Bia, Daniel Salazar, Federico Cinca, Luis Gutiérrez, Marcos Facta, Álvaro Zócalo, Yanina Díaz, Alejandro |
Tipo: | Artículo |
Palabras clave: | Aortic pressure, Brachial blood pressure, Catheterism, Human physiology, Invasive records, Non-invasive records, Oscillometry, Physiological measurements |
Descriptores: | PRESIÓN ARTERIAL, FISIOLOGÍA, CATETERISMO, OSCILOMETRÍA |
Fecha de publicación: | 2023 |
Resumen: | Background: Recently it has been proposed a new approach to estimate aortic systolic blood pressure (aoSBP) without the need for specific devices, operator-dependent techniques and/or complex wave propagation models/algorithms. The approach proposes aoSBP can be quantified from brachial diastolic and mean blood pressure (bDBP, bMBP) as: aoSBP = bMBP2/bDBP. It remains to be assessed to what extent the method and/or equation used to obtain the bMBP levels considered in aoSBP calculation may affect the estimated aoSBP, and consequently the agreement with aoSBP invasively recorded.
Methods: Brachial and aortic pressure were simultaneously obtained invasively (catheterization) and non-invasively (brachial oscillometry) in 89 subjects. aoSBP was quantified in seven different ways, using measured (oscillometry-derived) and calculated (six equations) mean blood pressure (MBP) levels. The agreement between invasive and estimated aoSBP was analyzed (Concordance correlation coefficient; Bland-Altman Test).
Conclusions: The ability of the equation “aoSBP = MBP2/DBP” to (accurately) estimate (error <5 mmHg) invasive aoSBP depends on the method and equation considered to determine bMBP, and on the aoSBP levels (proportional error). Oscillometric bMBP and/or approaches that consider adjustments for heart rate or a form factor ∼40% (instead of the usual 33%) would be the best way to obtain the bMBP levels to be used to calculate aoSBP. |
EN: | Frontiers in Cardiovascular Medicine. Jul. 2023;10 |
Citación: | Bia D, Salazar F, Cinca L y otros. Direct estimation of central aortic pressure from measured or quantified mean and diastolic brachial blood pressure: agreement with invasive records. Frontiers in Cardiovascular Medicine [en línea]. Jul. 2023;10. 10 p. |
ISSN: | 2297-055X |
Licencia: | Licencia Creative Commons Atribución (CC - By 4.0) |
Aparece en las colecciones: | Publicaciones Académicas y Científicas - Facultad de Medicina |
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Direct estimation of central aortic pressure from measured.pdf | Direct estimation of central aortic pressure | 19,05 MB | Adobe PDF | Visualizar/Abrir |
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