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The paradox: vasoconstriction and vasodilation

  • Conference paper
Portal Hypertension in the 21st Century

Abstract

One of the most typical characteristics observed in patients with chronic liver diseases is the progressive alteration of the body’s homeostatic mechanisms. Electrolyte imbalances, impaired oxygenation and ventilation, as well as abnormalities in vascular tone, are among some of the altered homeostatic functions observed in these patients1. Nitric oxide (NO), a key molecule that regulates vascular tone, plays a major role in the pathogenesis of the hyperdynamic circulatory syndrome observed in portal hypertension in liver diseases. NO is paradoxically regulated in portal hypertension (Figure 1).

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Iwakiri, Y., Groszmann, R.J. (2004). The paradox: vasoconstriction and vasodilation. In: Groszmann, R.J., Bosch, J. (eds) Portal Hypertension in the 21st Century. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1042-9_7

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  • DOI: https://doi.org/10.1007/978-94-007-1042-9_7

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-3774-7

  • Online ISBN: 978-94-007-1042-9

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