Title : Effects of histamine and nitric oxide synthase inhibition on plasma levels of von Willebrand factor antigen.

Pub. Date : 1998 Feb

PMID : 9488498






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1 Effects of histamine and nitric oxide synthase inhibition on plasma levels of von Willebrand factor antigen. Histamine von Willebrand factor Homo sapiens
2 Based on various studies in vitro, we hypothesized that the stimulatory action of histamine on vWf release could also be induced in vivo and that it may be inhibited by endogenous production of nitric oxide (NO). Histamine von Willebrand factor Homo sapiens
3 Histamine caused an 11% (95% confidence interval (CI): 0.4% to 22%; p = 0.011) increase in vWf-Ag level at 125 minutes. Histamine von Willebrand factor Homo sapiens
4 At 125 minutes, vWf-Ag level was significantly higher after either L-NMMA pretreatment when compared with the results after histamine alone (p < 0.05). Histamine von Willebrand factor Homo sapiens
5 In conclusion, the infusion of histamine increased vWf-Ag level, and the inhibition of NO-synthase enhanced this effect, whereas it did not by itself elevate vWf-Ag level. Histamine von Willebrand factor Homo sapiens