12/11/2023 0 Comments Viscosity definition physiologyAm J Physiol Heart Circ Physiol 284:H1577–H1584Ĭhurch TS, Lavie CJ, Milani RV, Kirby GS (2002) Improvements in blood rheology after cardiac rehabilitation and exercise training in patients with coronary heart disease. Clin Hemorheol Microcirc 31:311–318īor-Kucukatay M, Wenby RB, Meiselman HJ, Baskurt OK (2003) Effects of nitric oxide on red blood cell deformability. Biorheology 46:133–143Ĭonnes P, Bouix D, Py G, Prefaut C, Mercier J, Brun JF, Caillaud C (2004) Opposite effects of in vitro lactate on erythrocyte deformability in athletes and untrained subjects. Clin Hemorheol Microcirc (in press)Ĭonnes P, Tripette J, Mukisi-Mukaza M, Baskurt OK, Toth K, Meiselman HJ, Hue O, Antoine-Jonville S (2009) Relationships between hemodynamic, hemorheological and metabolic responses during exercise. Blood viscosity and hemodynamics at exercise. Biorheology 47:95–115Ĭonnes P, Pichon A, Hardy-Dessources MD, Waltz X, Lamarre Y, Simmonds MJ, Tripette J. IOS Press, Netherlands, pp 213–229īrun JF, Varlet-Marie E, Connes P, Aloulou I (2010) Hemorheological alterations related to training and overtraining. viscosity, resistance of a fluid to flow. In: Connes P, Hue O, Perrey S (eds) Exercise physiology: from a cellular to an integrative approach. IOS Press, Netherlands, pp 322–338Ĭonnes P, Brun JF, Baskurt OK (2010) Blood rheology and exercise. In: Baskurt OK, Hardeman PR, Rampling MW, Meiselman HJ (eds) Handbook of hemorheology and hemodynamics. Am J Physiol 277:H2145–H2157īaskurt OK, Meiselman HJ (2007) In vivo hemorheology. Viscosity of synovial fluid provides an index of severity of. Vessel resistance (R) is directly proportional to the length (L) of the vessel and the viscosity () of the blood, and inversely proportional to the radius to the fourth power (r 4) or diameter to the fourth power (D 4).Diameter can be substituted for radius because diameter and radius are directly proportionate to each other (D 2r therefore D r). Parthasarathi K, Lipowsky HH (1999) Capillary recruitment in response to tissue hypoxia and its dependence on red blood cell deformability. Plasma is Newtonian but addition of red cells, however, makes the viscosity of blood anomalous. Am J Physiol Heart Circ Physiol 286:H222–H229 Am J Physiol Heart Circ Physiol 288:H1730–H1739īaskurt OK, Yalcin O, Ozdem S, Armstrong JK, Meiselman HJ (2004) Modulation of endothelial nitric oxide synthase expression by red blood cell aggregation. Tsai AG, Acero C, Nance PR, Cabrales P, Frangos JA, Buerk DG, Intaglietta M (2005) Elevated plasma viscosity in extreme hemodilution increases perivascular nitric oxide concentration and microvascular perfusion. Poiseuille JLM (1835) Recherches sur les causes du mouvement du sang dans les vaisseaux capillaires.
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