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Validation of a Brachial Cuff-Based Method for Estimating Central Systolic Blood Pressure

The prognostic value of central systolic blood pressure has been established recently. At present, its noninvasive assessment is limited by the need of dedicated equipment and trained operators. Moreover, ambulatory and home blood pressure monitoring of central pressures are not feasible. An algorit... Full description

Journal Title: Hypertension (Dallas Tex. 1979), 2011-11, Vol.58 (5), p.825-832
Main Author: Weber, Thomas
Other Authors: Wassertheurer, Siegfried , Rammer, Martin , Maurer, Edwin , Hametner, Bernhard , Mayer, Christopher C , Kropf, Johannes , Eber, Bernd
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Hagerstown, MD: American Heart Association, Inc
ID: ISSN: 0194-911X
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recordid: cdi_proquest_miscellaneous_900635355
title: Validation of a Brachial Cuff-Based Method for Estimating Central Systolic Blood Pressure
format: Article
creator:
  • Weber, Thomas
  • Wassertheurer, Siegfried
  • Rammer, Martin
  • Maurer, Edwin
  • Hametner, Bernhard
  • Mayer, Christopher C
  • Kropf, Johannes
  • Eber, Bernd
subjects:
  • Adult
  • Aged
  • Aged, 80 and over
  • Algorithms
  • Arterial hypertension. Arterial hypotension
  • Biological and medical sciences
  • Blood and lymphatic vessels
  • Blood Pressure
  • Blood Pressure Determination - methods
  • Blood Pressure Monitors
  • Brachial Artery
  • Calibration
  • Cardiology. Vascular system
  • Catheterization - methods
  • Clinical manifestations. Epidemiology. Investigative techniques. Etiology
  • Cohort Studies
  • Female
  • Humans
  • Linear Models
  • Male
  • Medical sciences
  • Middle Aged
  • Oscillometry - instrumentation
  • Radial Artery
  • Sensitivity and Specificity
  • Young Adult
ispartof: Hypertension (Dallas, Tex. 1979), 2011-11, Vol.58 (5), p.825-832
description: The prognostic value of central systolic blood pressure has been established recently. At present, its noninvasive assessment is limited by the need of dedicated equipment and trained operators. Moreover, ambulatory and home blood pressure monitoring of central pressures are not feasible. An algorithm enabling conventional automated oscillometric blood pressure monitors to assess central systolic pressure could be of value. We compared central systolic pressure, calculated with a transfer-function like method (ARCSolver algorithm), using waveforms recorded with a regular oscillometric cuff suitable for ambulatory measurements, with simultaneous high-fidelity invasive recordings, and with noninvasive estimations using a validated device, operating with radial tonometry and a generalized transfer function. Both studies revealed a good agreement between the oscillometric cuff-based central systolic pressure and the comparator. In the invasive study, composed of 30 patients, mean difference between oscillometric cuff/ARCSolver-based and invasive central systolic pressures was 3.0 mm Hg (SD6.0 mm Hg) with invasive calibration of brachial waveforms and −3.0 mm Hg (SD9.5 mm Hg) with noninvasive calibration of brachial waveforms. Results were similar when the reference method (radial tonometry/transfer function) was compared with invasive measurements. In the noninvasive study, composed of 111 patients, mean difference between oscillometric cuff/ARCSolver–derived and radial tonometry/transfer function–derived central systolic pressures was −0.5 mm Hg (SD4.7 mm Hg). In conclusion, a novel transfer function-like algorithm, using brachial cuff-based waveform recordings, is suited to provide a realistic estimation of central systolic pressure.
language: eng
source:
identifier: ISSN: 0194-911X
fulltext: no_fulltext
issn:
  • 0194-911X
  • 1524-4563
url: Link


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descriptionThe prognostic value of central systolic blood pressure has been established recently. At present, its noninvasive assessment is limited by the need of dedicated equipment and trained operators. Moreover, ambulatory and home blood pressure monitoring of central pressures are not feasible. An algorithm enabling conventional automated oscillometric blood pressure monitors to assess central systolic pressure could be of value. We compared central systolic pressure, calculated with a transfer-function like method (ARCSolver algorithm), using waveforms recorded with a regular oscillometric cuff suitable for ambulatory measurements, with simultaneous high-fidelity invasive recordings, and with noninvasive estimations using a validated device, operating with radial tonometry and a generalized transfer function. Both studies revealed a good agreement between the oscillometric cuff-based central systolic pressure and the comparator. In the invasive study, composed of 30 patients, mean difference between oscillometric cuff/ARCSolver-based and invasive central systolic pressures was 3.0 mm Hg (SD6.0 mm Hg) with invasive calibration of brachial waveforms and −3.0 mm Hg (SD9.5 mm Hg) with noninvasive calibration of brachial waveforms. Results were similar when the reference method (radial tonometry/transfer function) was compared with invasive measurements. In the noninvasive study, composed of 111 patients, mean difference between oscillometric cuff/ARCSolver–derived and radial tonometry/transfer function–derived central systolic pressures was −0.5 mm Hg (SD4.7 mm Hg). In conclusion, a novel transfer function-like algorithm, using brachial cuff-based waveform recordings, is suited to provide a realistic estimation of central systolic pressure.
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subjectAdult ; Aged ; Aged, 80 and over ; Algorithms ; Arterial hypertension. Arterial hypotension ; Biological and medical sciences ; Blood and lymphatic vessels ; Blood Pressure ; Blood Pressure Determination - methods ; Blood Pressure Monitors ; Brachial Artery ; Calibration ; Cardiology. Vascular system ; Catheterization - methods ; Clinical manifestations. Epidemiology. Investigative techniques. Etiology ; Cohort Studies ; Female ; Humans ; Linear Models ; Male ; Medical sciences ; Middle Aged ; Oscillometry - instrumentation ; Radial Artery ; Sensitivity and Specificity ; Young Adult
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descriptionThe prognostic value of central systolic blood pressure has been established recently. At present, its noninvasive assessment is limited by the need of dedicated equipment and trained operators. Moreover, ambulatory and home blood pressure monitoring of central pressures are not feasible. An algorithm enabling conventional automated oscillometric blood pressure monitors to assess central systolic pressure could be of value. We compared central systolic pressure, calculated with a transfer-function like method (ARCSolver algorithm), using waveforms recorded with a regular oscillometric cuff suitable for ambulatory measurements, with simultaneous high-fidelity invasive recordings, and with noninvasive estimations using a validated device, operating with radial tonometry and a generalized transfer function. Both studies revealed a good agreement between the oscillometric cuff-based central systolic pressure and the comparator. In the invasive study, composed of 30 patients, mean difference between oscillometric cuff/ARCSolver-based and invasive central systolic pressures was 3.0 mm Hg (SD6.0 mm Hg) with invasive calibration of brachial waveforms and −3.0 mm Hg (SD9.5 mm Hg) with noninvasive calibration of brachial waveforms. Results were similar when the reference method (radial tonometry/transfer function) was compared with invasive measurements. In the noninvasive study, composed of 111 patients, mean difference between oscillometric cuff/ARCSolver–derived and radial tonometry/transfer function–derived central systolic pressures was −0.5 mm Hg (SD4.7 mm Hg). In conclusion, a novel transfer function-like algorithm, using brachial cuff-based waveform recordings, is suited to provide a realistic estimation of central systolic pressure.
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abstractThe prognostic value of central systolic blood pressure has been established recently. At present, its noninvasive assessment is limited by the need of dedicated equipment and trained operators. Moreover, ambulatory and home blood pressure monitoring of central pressures are not feasible. An algorithm enabling conventional automated oscillometric blood pressure monitors to assess central systolic pressure could be of value. We compared central systolic pressure, calculated with a transfer-function like method (ARCSolver algorithm), using waveforms recorded with a regular oscillometric cuff suitable for ambulatory measurements, with simultaneous high-fidelity invasive recordings, and with noninvasive estimations using a validated device, operating with radial tonometry and a generalized transfer function. Both studies revealed a good agreement between the oscillometric cuff-based central systolic pressure and the comparator. In the invasive study, composed of 30 patients, mean difference between oscillometric cuff/ARCSolver-based and invasive central systolic pressures was 3.0 mm Hg (SD6.0 mm Hg) with invasive calibration of brachial waveforms and −3.0 mm Hg (SD9.5 mm Hg) with noninvasive calibration of brachial waveforms. Results were similar when the reference method (radial tonometry/transfer function) was compared with invasive measurements. In the noninvasive study, composed of 111 patients, mean difference between oscillometric cuff/ARCSolver–derived and radial tonometry/transfer function–derived central systolic pressures was −0.5 mm Hg (SD4.7 mm Hg). In conclusion, a novel transfer function-like algorithm, using brachial cuff-based waveform recordings, is suited to provide a realistic estimation of central systolic pressure.
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pmid21911710
doi10.1161/HYPERTENSIONAHA.111.176313
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