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Items for "blood pressure"

Non-Invasive Measurement of the Blood Pressure. Noise Reduction in Biomedical Signals Using Multi-Resolution Analysis

The paper reports the measurement of human peripheral blood pressure under stress test, e. g. with a treadmill...

Keywords: blood pressure, multi-resolution analysis, stress test, biomedical signal analysis

04/2006 | tm – Technisches Messen, Oldenbourg Wissenschaftsverlag
Comparison of Closed-loop and Open-loop Models in the Assessment of Cardiopulmonary and Baroreflex Gains

OBJECTIVES: Both open- and closed-loop models of beat-to-beat cardiovascular control have been suggested...

Keywords: Multivariate, Modelling, baroreceptors, blood pressure, heart rate

01/2004 | Methods of Information in Medicine, Schattauer
Development of Interesting Step-climbing Styles

OBJECTIVES: This study was to investigate the influence of stepping styles (forward, side, and cross steppings) and inclinations (25 and 45 degrees) on cardiorespiratory responses (C-R responses). METHODS: Twenty volunteers were recruited and randomly arranged into two ten-people groups, exercising on step-climbing machines respectively of 25 and 45 degrees of inclination...

Keywords: Exercise, oxygen consumption, exertion, blood pressure

01/2005 | Methods of Information in Medicine, Schattauer
Effect of Common Driving Sources to the Feedback Analysis of Heart Rate Variability

OBJECTIVES: This paper examines the operational characteristics of the multivariate autoregressive analysis applied to the simultaneous recordings of the instantaneous heart rate (IHR) and the change in systolic blood pressure (SBP)...

Keywords: autonomic nervous system, Heart rate variability, blood pressure, feedback analysis, multivariate autoregressive model, operational characteristics

01/2007 | Methods of Information in Medicine, Schattauer
Inhibition of aldosterone biosynthesis by staurosporine

Staurosporine (STS) is a very potent broad-range kinase inhibitor, and its antiproliferative properties made it a lead compound for protein kinase C (PKC) inhibitors with therapeutic potential...

Keywords: adrenodoxin, aldosterone, blood pressure, CYP11B2, cytochrome P450, protein kinase inhibitor, staurosporine, steroid hydroxylation

07/2005 | Biological Chemistry, Walter de Gruyter
Central vasopressin V1a and V1b receptors modulate the cardiovascular response to air-jet stress in conscious rats

This study investigates the contribution of central vasopressin receptors in the modulation of systolic arterial pressure (SAP) and heart rate (HR) response to air-jet stress in conscious Wistar rats equipped with a femoral arterial catheter and intracerebroventricular cannula using novel non-peptide and selective vasopressin V1a (SR49059) and V1b (SSR149415) antagonists...

Keywords: blood pressure, heart rate, spectral analysis

10/2006 | Biomedizinische Technik, Walter de Gruyter
Changes induced in the lower- and upper-limb pulse transit-time ratio during inspiratory resistive breathing

The ankle brachial index (ABI) has been widely used to monitor the pathogenesis of peripheral arterial diseases such as ischemia of the extremities...

Keywords: ankle brachial index, blood pressure, electrocardiogram, photoplethysmography, prolonged monitoring

06/2007 | Biomedizinische Technik, Walter de Gruyter
The uncoupling protein-1 gene ?3826A/G polymorphism and hypertension in Japanese subjects

Background: The possible effects of the uncoupling protein-1 (UCP-1) gene ?3826A/G polymorphism on hypertension (HT) have yet to be elucidated.

Methods: A total of 578 Japanese subjects (231 males and 347 females, mean age 58.4 years) were enrolled in the study to investigate the association between HT and the ?3826A/G polymorphism by genomic PCR and Bcl1-restriction fragment length polymorphism methods.

Results: Multivariate logistic regression analysis for HT, adjusted for genotype (recessive model, AA+AG vs...

Keywords: blood pressure, elderly, gender, hypertension, single nucleotide polymorphisms (SNPs)

09/2007 | Clinical Chemical Laboratory Medicine, Walter de Gruyter
Increased soluble VCAM-1 serum levels in preeclampsia are not correlated to urinary excretion or circadian blood pressure rhythm

Objective: Soluble vascular cell adhesion molecule-1 (VCAM-1) is known to be elevated in serum of patients with preeclampsia, but there are no data available on the significance of urinary VCAM-1 excretion in preeclampsia...

Keywords: adhesion molecules, blood pressure, circadian rhythm, preeclampsia

03/2005 | Journal of Perinatal Medicine, Walter de Gruyter
Effects of poorly perfused peripheries on derived transit time parameters of the lower and upper limbs

A simple and non-intrusive approach termed the pulse transit time ratio (PTTR) has recently been shown to be a potential surrogate of the ankle-brachial index (ABI)...

Keywords: ankle-brachial index, blood pressure, electrocardiogram, non-invasive prolonged monitoring, photoplethysmography, pulse transit time

06/2008 | Biomedizinische Technik, Walter de Gruyter
Untersttzung prventionsmedizinischer Anstze mit Hilfe von telemedizinischem Monitoring / Support of Prevention Medicine by Telemedical Monitoring

Prventionsmedizin darf sich nicht nur auf regelmige Vorsorgeuntersuchungen beschrnken...

Keywords: Telemonitoring, Pulsoximetrie, EKG, Gewicht, Blutdruck, Peak Flow, Ortung, smart sensor, pulse oximetry, ECG, weight, blood pressure, Tracking

08/2005 | Biomedizinische Technik, Walter de Gruyter