Pulmonary blood flow alters nitric oxide production in patients undergoing device closure of atrial septal defects
Wayne Tworetzky, MDa,
Phillip Moore, MDa,
Janine M. Bekker, MSa,
James Bristow, MDa,
Stephen M. Black, PhDa and
Jeffrey R. Fineman, MDa
a Department of Pediatrics, University of California, San Francisco, San Francisco, California, USA

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Figure 1 Exhaled NO concentrations (ppb) decreased after ASD device closure. Values are mean ± S.E., N = 17. p < 0.05 vs. preclosure (paired t-test). ASD = atrial septal defect.
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Figure 2 Plasma NOx concentrations (µM) decreased after ASD device closure. Values are mean ± S.E., N = 17. p < 0.05 vs. preclosure (Wilcoxon signed-rank test). ASD = atrial septal defect.
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