This research underlines that the use of herbal products during pregnancy is common among Italian women, not always appropriate and in some cases potentially harmful.
SummaryWe studied in vitro the antiplatelet activity of a new nitroderivative chemically related to acetylsalicylic acid: 2 acetoxybenzoate 2-[l-nitroxy-methyl]-phenyl ester (NCX 4016), in order to identify any effects due to the release of nitric oxide and the blockade of cyclooxygenaseThe effects of scalar doses of NCX 4016 on the early phase of platelet activation, platelet aggregation and thromboxane A2 production were investigated. We observed inhibitory effects of NCX 4016 on platelet adhesion (IC50 = 7.3 × 10−5 M), platelet cytosolic calcium concentration, assayed by fluorescent probe Fura 2, and the expression of glycoprotein IMIIa (CD41 / αIIbβ3) (IC50 = 3.4 × 10−5 M) and P-selec-tin (CD62 / GMP-140) (IC50 = 4.9 × 10−5 M) measured by flow cytometry. NCX 4016 also prevented thrombin-induced platelet aggregation (IC50 = 3.9 × 10−5 M). None of these parameters were affected by acetylsalicylic acid. These inhibitory activities of NCX 4016 were abolished by oxyhaemoglobin and methylene blue. Intracellular cyclic GMP observed during thrombin-induced aggregation was increased by incubation with NCX 4016. These results appear to be attributable to the release of nitric oxide, which activates soluble platelet guanylyl-cyclase and promotes intracellular cyclic GMP increase. NCX 4016 almost completely inhibited platelet thromboxane A2 production and arachidonic acid-induced platelet aggregation. This also occurred in the presence of oxyhaemoglobin and methylene blue, indicating that its antiplatelet activity can be attributed not only to nitric oxide release but also to cyclo-oxygenase inhibition.
from the analysis of the literature, some interesting aspects emerge: (1) the extent of CAM use in the paediatric field is increasingly sought by parents of children with chronic illnesses; (2) most parents who choose CAM medicine for their children believe that these therapies are "natural" and thus "safe" and (3) physicians often feel to know too little about CAM and wish to learn more for different reasons including "to dissuade whether the alternative method is unsafe and/or ineffective". Therefore, paediatricians should be prepared to discuss alternative therapies with parents, since talking about CAM may help to minimise the risks and to restrain parental misconceptions and doubts. Educational interventions for parents should also be performed to bring about a more aware use of traditional and alternative medicines.
The present survey highlights the general use of phytomedicines by a sample of Italian women, the potential risk of their confidence with the 'natural world,' and the lack of discussion on this argument with doctors and pharmacists. This suggests the importance of training for health care providers and the need of informational programs for consumers.
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