Regional differences in veins wall viscosity, compliance, energetics and damping: Analysis of the pressure-diameter relationship during cyclical overloads

Background: The characterization of the dynamic process of veins walls is essential to understand venous functioning under normal and pathological conditions. However, little work has been done on dynamic venous properties. Aim: To characterize vein compliance (C), viscosity (η), peak-strain (WSt) a...

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Autor principal: Zócalo, Y.
Otros Autores: Santana, D.B, Lluberas, S., Armentano, R.L
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2008
Acceso en línea:Registro en Scopus
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100 1 |a Zócalo, Y. 
245 1 0 |a Regional differences in veins wall viscosity, compliance, energetics and damping: Analysis of the pressure-diameter relationship during cyclical overloads 
260 |c 2008 
270 1 0 |m Santana, D.B.; Departamento de Fisiología, Facultad de Medicina, Universidad de la República, General Flores 2125, Montevideo, Uruguay; email: dbia@fmed.edu.uy 
506 |2 openaire  |e Política editorial 
504 |a ALEXANDER, R.S., The peripheral venous system (1963) Handbook of physiology, pp. 1075-1098. , HAMILTON WF, DOW P eds, Baltimore, Maryland: Waverly Press Inc, pp 
504 |a ANLIKER, M., YATES, W.G., OGDEN, E., Transmission of small pressure waves in the canine vena cava (1971) Am J Physiol, 221, pp. 644-651 
504 |a ARMENTANO, R.L., BARRA, J.G., SANTANA, D.B., PESSANA, F.M., GRAF, S., CRAIEM, D., BRANDANI, L.M., SANCHEZ, R.A., Smart damping modulation of carotid wall energetics in human hypertension: Effects of angiotensin-converting enzyme inhibition (2006) Hypertension, 47, pp. 384-390 
504 |a BIA, D., ARMENTANO, R., CRAIEM, D., GRIGNOLA, J., GINES, F., SIMON, A., LEVENSON, J., Smooth muscle role on pulmonary arterial function during acute pulmonary hypertension in sheep (2004) Acta Physiol Scand, 181, pp. 359-366 
504 |a BIA, D., AGUIRRE, I., ZÓCALO, Y., DEVERA, L., CABRERA FISCHER, E., ARMENTANO, R., Regional differences in viscosity, elasticity and wall buffering function in systemic arteries: Pulse wave analysis of the arterial pressure-diameter relationship (2005) Rev Esp Cardiol, 58, pp. 167-174 
504 |a BRADLEY, J.G., DAVIS, K.A., Orthostatic hypotension (2003) Am Fam Physician, 68, pp. 2393-2398 
504 |a FREEMAN, R., LIROFONIS, V., FARQUHAR, W.B., RISK, M., Limb venous compliance in patients with idiopathic orthostatic intolerance and postural tachycardia (2002) J Appl Physiol, 93, pp. 636-644 
504 |a HOLTZ, J., Peripheral circulation: Fundamental concepts, comparative aspects of control in specific vascular sections, and lymph flow (1996) Comprehensive human physyiology. From cellular mechanisms to integration, pp. 1865-1915. , GREGER R, WINDHORST U, eds, Berlin Heidelberg, Springer-Verlag, pp 
504 |a MONOS, E., BERCZI, V., NADASY, G., Local control of veins: Biomechanical, metabolic, and humoral aspects (1995) Physiol Rev, 75, pp. 611-666 
504 |a NIPPA, J.H., ALEXANDER, R.H., FOLSE, R., Pulse wave velocity in human veins (1971) J Appl Physiol, 30, pp. 558-563 
504 |a OLSEN, H., VERNERSSON, E., LANNE, T., Cardiovascular response to acute hypovolemia in relation to age. Implications for orthostasis and hemorrhage (2000) Am J Physiol Heart Circ Physiol, 278, pp. H222-H232 
504 |a SILVER, F.H., SNOWHILL, P.B., FORAN, D.J., Mechanical behavior of vessel wall: A comparative study of aorta, vena cava, and carotid artery (2003) Ann Biomed Eng, 31, pp. 793-803 
504 |a ZÓCALO, Y., PESSANA, F., BIA, D., ARMENTANO, R., Regional differences in vein wall dynamics under arterial haemodynamic conditions (2006) Artif Organs, 30, pp. 265-275 
520 3 |a Background: The characterization of the dynamic process of veins walls is essential to understand venous functioning under normal and pathological conditions. However, little work has been done on dynamic venous properties. Aim: To characterize vein compliance (C), viscosity (η), peak-strain (WSt) and dissipated (WD) energy, damping (ξ), and their regional differences in order to evaluate their role in venous functioning during volume-pressure overloads. Methods: In a mock circulation, pressure (P) and diameter (D) of different veins (anterior cava, jugular and femoral; from 7 sheep), were registered during cyclical volume-pressure pulses. From the P-D relationship, C, WSt and ξ (at low and high P-D levels), η and WD were calculated. Results: For each vein there were P-dependent differences in biomechanical, energetics, and damping capability. There were regional-differences in C, η, WSt and WD (p<0.05), but not in ξ. Conclusion: The regional-dependent differences in dynamics and energetics, and regional-similitude in damping could be important to ensure venous functioning during acute overloads. The lower C and higher WSt and WD found in back-limb veins (femoral), commonly submitted to high volume-pressure loads (i.e. during walking), could be considered relevant to ensure adequate venous system functionality and venous wall protection simultaneously.  |l eng 
593 |a Departamento de Fisiología, Facultad de Medicina, Universidad de la República, General Flores 2125, Montevideo, Uruguay 
593 |a Facultad de Ingeniería Ciencias Exactas y Naturales, Universidad Favaloro, Solís 453, C1078AAI Buenos Aires, Argentina 
690 1 0 |a COMPLIANCE 
690 1 0 |a DAMPING 
690 1 0 |a ENERGETIC 
690 1 0 |a VASCULAR PHYSIOLOGY 
690 1 0 |a VENOUS WALL 
690 1 0 |a VISCOSITY 
690 1 0 |a ANIMAL TISSUE 
690 1 0 |a ARTICLE 
690 1 0 |a BIOENERGY 
690 1 0 |a BIOMECHANICS 
690 1 0 |a BLOOD VESSEL FUNCTION 
690 1 0 |a CAVA VEIN 
690 1 0 |a FEMORAL VEIN 
690 1 0 |a JUGULAR VEIN 
690 1 0 |a MECHANICAL STRESS 
690 1 0 |a NONHUMAN 
690 1 0 |a PRESSURE VOLUME CURVE 
690 1 0 |a SHEEP 
690 1 0 |a VEIN COMPLIANCE 
690 1 0 |a VEIN DIAMETER 
690 1 0 |a VEIN WALL 
690 1 0 |a VENOUS CIRCULATION 
690 1 0 |a VISCOSITY 
690 1 0 |a ANIMALS 
690 1 0 |a BIOMECHANICS 
690 1 0 |a BLOOD PRESSURE 
690 1 0 |a BLOOD VOLUME 
690 1 0 |a COMPLIANCE 
690 1 0 |a FEMORAL VEIN 
690 1 0 |a JUGULAR VEINS 
690 1 0 |a SHEEP 
690 1 0 |a VENA CAVA, INFERIOR 
690 1 0 |a VISCOSITY 
690 1 0 |a OVIS ARIES 
700 1 |a Santana, D.B. 
700 1 |a Lluberas, S. 
700 1 |a Armentano, R.L. 
773 0 |d 2008  |g v. 41  |h pp. 227-233  |k n. 2  |p Biol. Res.  |x 07169760  |t Biological Research 
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