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. 2012 Jul-Sep;2(3):327–339. doi: 10.4103/2045-8932.101644

Figure 1.

Figure 1

Mean PAP vs. the pulmonary to systemic flow ratio (Qp:Qs) in normal adults[54] and people with an ASD. With relatively few exceptions, PAP remains normal or only mildly elevated despite markedly increased PBF. Siltanen[156] (n = 129): patients > 15 years old (mean = 31 years) who had ASD repair; Swan[101] (n = 24): 27 years old (mean) apparently unselected patients; Tworetsky[157] (n = 19): 12 years old (mean) patients who had ASD closure; Dexter[36] (n = 60): 3–57 years old apparently unselected patients. Colored symbols (small triangles and filled circles) depict individual patients (n = 84) from Weidman,[160] Nielsen,[159] and Kirklin.[158] Standard deviation bars are given when available.