Resolving the time lag between pressure and flow for the determination of local wave speed in elastic tubes and arteries

Journal of Biomechanics

Volumn 42, Issue 10, 2009, Pages 1574-1577

  Swalen, M J P ^a   Khir, A W ^a  

^a BRUNEL UNIVERSITY   (United Kingdom)

Author keywords

Hemodynamics; Pressure; PU loop; Pulse wave velocity; Time lag; Velocity; Wave speed

Indexed keywords

CORRELATION FACTORS; ELASTIC TUBES; FLOW WAVEFORMS; IN-VITRO; IN-VIVO; LATEX TUBES; LOCAL WAVE; MAXIMUM VELOCITY; MEASURING DEVICE; MINIMUM PRESSURE; PRESSURE WAVEFORMS; PRESSURE-VELOCITY; PU-LOOP; PULSE WAVE VELOCITY; SAMPLING INTERVAL; TIME LAG; TIME SHIFTS; TIME STEP; WAVE SPEED;

ACOUSTIC WAVE VELOCITY; FLOW MEASUREMENT; FLOWMETERS; FREQUENCY RESPONSE; HEMODYNAMICS; HYDRODYNAMICS; SOLID STATE DEVICES; TRANSDUCERS;

SPEED;

ANIMAL EXPERIMENT; ANIMAL MODEL; ARTERY OCCLUSION; ARTICLE; ASCENDING AORTA; CALCULATION; CONTROLLED STUDY; EXPERIMENTAL DOG; FLOW MEASUREMENT; FLOW RATE; INTERMETHOD COMPARISON; NONHUMAN; PRESSURE MEASUREMENT; PRESSURE TRANSDUCER; PRIORITY JOURNAL; RELIABILITY; VELOCITY; WAVEFORM;

ANIMALS; ARTERIES; BIOMECHANICS; BLOOD FLOW VELOCITY; BLOOD PRESSURE; DOGS; ELASTICITY; HEMORHEOLOGY; LATEX; MODELS, CARDIOVASCULAR; PULSATILE FLOW; RHEOLOGY; TIME FACTORS;

EID: 67649484378     PISSN: 00219290     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jbiomech.2009.03.038     Document Type: Article

References (12)

1. Blacher J., Asmar R., and Djane S. London GM, Safar ME. Aortic pulse wave velocity as a marker of cardiovascular risk in hypertensive patients. Hypertension 33 (1999) 1111-1117
2. Feng J., Long Q., and Khir A.W. Wave dissipation in flexible tubes in the time domain: an arterial model. J. Biomech. 40 10 (2007) 2130-2138
3. Harada A., Okada T., Niki K., Chang D., and Sugawara M. On-line noninvasive one-point measurements of pulse wave velocity. Heart Vessels 7 2 (2002) 61-68
4. Hollandar, E.H., 1999. Wave intensity analysis of pulmonary arterial blood flow in anethetised dogs. PhD Thesis, University of Calgary, Calgary, Canada.
5. Kelly R.P., Tunin R., and Kass D.A. Effect of reduced aortic compliance on cardiac efficiency and contractile function of in situ canine left ventricle. Cir. Res. 71 (1992) 490-502
6. Khir A.W., O'Brien A., Gibs S., and Parker K.H. Determination of wave speed and wave separation in the arteries. J. Biomech. 34 (2001) 1145-1155
7. Khir A.W., Zambanini A., and Parker K.H. Local and regional wave speed in the aorta: effects of arterial occlusion. Med. Eng. Phys. 26 (2004) 23-29
8. Laurent S., Boutouyrie P., Asmar R., Gautier I., Laloux B., Guize L., Ducimetiere P., and Benetos A. Aortic stiffness is an independent predictor of all-cause and cardiovascular mortality in hypertensive patients. Hypertension 37 (2001) 1236-1241
9. Millar Instruments, 2009. Solid State Does Not Necessarily Mean High Fidelity. 〈http://www.millarinstruments.com/news/highfidelity.php〉, accessed in March 2009.
10. Nichols W.W., and O'Rourke M.F. McDonald's Blood Flow in Arteries Theoretical, Experimental, and Clinical Principles (2005), Arnold, London, Sydney, Auckland
11. Tijsseling A.S., and Anderson A. Johannes von Kries and the history of the water hammer. J. Hydraul. Eng. 133 (2007) 1-8
12. Transonic Systems Inc., Research Flowmeters: Frequency Response & Delay. Technical Note 94, 〈http://www.transonic.com/TN___94_Frequency_response.pdf〉, accessed in March 2009.