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- W2335133772 abstract "<h3>Introduction</h3> Pre-eclampsia and increased arterial stiffness are associated with cardiovascular disease later in life. Arterial stiffness is raised in preeclampsia. Augmentation index (AIx) is a non-invasive method of assessing arterial stiffness. Despite evidence of endothelial dysfunction in pre-eclampsia, there is no pharmacotherapeutic substance targeted at this underlying pathophysiology. S-nitrosoglutathione (GSNO) is an endogenously occurring nitric oxide donor that may ameliorate endothelial dysfunction. We performed intravenous GSNO infusions in healthy non-pregnant volunteers and women with severe preeclampsia. <h3>Methods</h3> <h3>Controls</h3> Four healthy volunteers underwent GSNO infusion at 10 and 30mcg/min. Doses were increased at 30min intervals maintaining BP >110/60mmHg. Pre-eclampsia: Four women with early-onset preeclampsia underwent GSNO infusion at 10 and 30mcg/min. Doses were increased at 30min intervals maintaining BP >140/80mmHg. For each infusion, AIx was assessed pre- and post-infusion and at each dose point. AIx and mean arterial pressure (MAP) were compared to initial readings at each dose using a paired t-test. <h3>Results</h3> <h3>Controls</h3> Significant reduction in AIx was seen at 10mcg/min (p=0.025) and 30mcg/min (p=0.005). No reduction in MAP was seen. Pre-eclampsia: No changes in AIx, and a small reduction in MAP (4mmHg, p=0.02), were seen at 10mcg/min (p=0.02). At 30mcg/min GSNO, AIx significantly reduced (p=0.02) and MAP remained unchanged <h3>Conclusion</h3> GSNO infusion in early-onset preeclampsia and healthy volunteers can significantly decrease arterial stiffness with only minimal effect on MAP. Our results suggest GSNO may be a useful adjunct to current antihypertensive treatment for preeclampsia and a Phase 1 trial is planned." @default.
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- W2335133772 date "2012-04-01" @default.
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- W2335133772 title "Effect of S-nitrosoglutathione on arterial stiffness in women with severe preeclampsia and healthy controls" @default.
- W2335133772 doi "https://doi.org/10.1136/fetalneonatal-2012-301809.97" @default.
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