pulse wave measurement and analysis
Improved pressure contour analysis for estimating cardiac stroke volume using pulse wave velocity measurement
... into pressure contour analysis to overcome weaknesses associated with conventional methods for estimating SV. The additional information gained by PWV allowed precise estimation of Windkessel parameters and thus, ...
19
Validity and reproducibility of arterial pulse wave velocity measurement using new device with oscillometric technique: A pilot study
... Total twenty-four male healthy subjects with mean age 24.7 ± 5.5 years, mean height 168.3 ± 5 cm and mean weight 52.6 ± 6.4 kgs were recruited for interperiod and interobserver reproducibility study. All the subjects ...
14
Noninvasive measurement of cardiac stroke volume using pulse wave velocity and aortic dimensions: a simulation study
... by pulse contour ...the pulse contour, which is calibrated by invasive thermal dilution measurements, using a dedicated catheter typically placed in the femoral ...proprietary pulse pressure ...
25
Rationale and study design of the prospective, longitudinal, observational cohort study “rISk strAtification in end-stage renal disease” (ISAR) study
... mining pulse wave velocity [60] by measuring pressure wave at two sites (common carotid and femoral artery) and calculation of the time delay of both pressure curves or by means of (2) pulse ...
12
A prospective observational study comparing a non-operator dependent automatic PWV analyser to pulse pressure, in assessing arterial stiffness in hemodialysis
... whether Pulse Wave Velocity estimated by Pulse Wave Analysis on the brachial artery through a Mobil-O-Graph, a modified sphygmomanometer, is more sensitive for vas- cular aging and ...
10
Doppler ultrasound in the measurement of pulse wave velocity: agreement with the Complior method
... The analysis is based on the examination of two graphs: first, the identity plot (a scatterplot of the two measurements along with the line y = x); second, the plot of the difference between methods against the ...
6
Neck circumference and early stage atherosclerosis: the cardiometabolic risk in Chinese (CRC) study
... suggested measurement of pulse wave velocity (PWV) as a tool for assessment of subclinical atherosclerosis ...femoral pulse wave velocity (cfPWV)) or peripheral arteries ...pedis ...
7
Analysis of 24-hour pulse wave velocity in patients with renal transplantation
... assessing pulse waves at the brachial ...pressure measurement, the pressure waveforms in the cuff are registered while performing a step-by-step ...reflected pulse waves are determined by a special ...
5
Central blood pressure assessment using 24-hour brachial pulse wave analysis
... pressure measurement are relatively accurate, and their use has important clinical implications, such as improving diagnostic and prognostic stratification of hypertension and providing a more accurate assess- ...
8
Clinical utility of spectral analysis of intraocular pressure pulse wave
... (IOP) measurement with dynamic contour tonometry (DCT) and Goldmann applanation tonometry ...spectral analysis. An amplitude and energy content analysis, which takes into account non-stationarity of ...
7
Pulse wave response characteristics for thickness and hardness of the cover layer in pulse sensors to measure radial artery pulse
... artery measurement studies for diagnosis of cardiovascular disease have been investigated [1–3], and computational approaches and modeling studies of blood vessels for vascular stenosis and blood flow ...
15
Brachial–ankle pulse wave velocity, cardio-ankle vascular index, and prognosis
... ABI measurement, we must recognize that there are a few minor differences between VP and ...pressure measurement using VS is basically performed through the sequential method (from the right side to the ...
28
A Photoplethysmographic Monitor for Local Pulse Wave Velocity Measurement
... the pulse wave signal, allowing the analysis of volumetric changes of pulsating blood and, therefore, the expansion and contraction of blood ...The pulse waves, measured by a PPG sensor, ...
6
Noninvasive assessment of preclinical atherosclerosis
... peripheral pulse wave analysis (PWA) because changes in vessel stiffening throughout the vascular tree causes location-dependent changes in the pressure ...reflective wave phenomenon as ...
12
Day-to-day repeatability of the Pulse Time Index of Norm
... system analysis, National Research Nuclear University MEPhI, Moscow, Russia: Artemy V Orlov; Chelyabinsk State Medical Academy, Chelyabinsk, Russia: Elena A Grigoricheva, Vitaly V Evdokimov; The hospital within ...
5
Measurement of area difference ratio of Photoplethysmographic pulse wave in patients with pre eclampsia
... Women who consented to the study were instructed to fast for at least 12 h prior to the study. Baseline demo- graphic data were gathered upon the start of the study. All participants were instructed to sit comfortably ...
5
Development Of Msp Based Pulse Oximeter With Labview
... The most important elements needed to sustain life is oxygen (O2) because it is used by cells to turn sugars into useable energy. Oxyhemoglobin (HbO2) is the protein hemoglobin found in red blood cells bounded to O2 that ...
5
Local pulse wave velocity as a cardiovascular biomarker
... This study utilized a Vantage256 ultrafast ultrasound research imaging system, which was developed by Verasonics Inc. (Kirkland, WA, USA). Data was acquired with a linear array transducer (ATL L12-5 38 mm, Bothell, WA, ...
30
Reflection of microwave pulses from acoustic waves: summary of experimental and computational studies
... acoustic wave as a reflecting virtual interface for propagating ...sound wave induce perturbations in the index of ...EM wave) moving acoustic wave ...acoustic pulse are ...
29
The velocity of the arterial pulse wave: a viscous-fluid shock wave in an elastic tube
... The above results show that the PWV can increase in small arteries if the parameter a decreases. The parameter a describes the rate of increase in pressure during the initial rise as the pulse wave ...
6