Unrecognized pulmonary venous desaturation early after Norwood palliation confounds Gp:Gs assessment and compromises oxygen delivery

Hemodynamic stability after Norwood palliation often requires manipulation of pulmonary vascular resistance to alter the pulmonary-to-systemic blood flow ratio (Qp:Qs). Qp:Qs is often estimated from arterial saturation (SaO2), a practice based on 2 untested assumptions: constant systemic arterioveno...

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Bibliographic Details
Published in:Circulation (New York, N.Y.) N.Y.), 2001-06, Vol.103 (22), p.2699-2704
Main Authors: Taeed, R, Schwartz, S M, Pearl, J M, Raake, J L, Beekman, 3rd, R H, Manning, P B, Nelson, D P
Format: Article
Language:English
Subjects:
Heart Defects, Congenital - blood
Heart Defects, Congenital - physiopathology
Heart Defects, Congenital - surgery
Humans
Infant
Infant, Newborn
Lung - blood supply
Lung - physiopathology
Oximetry
Oxygen - blood
Oxygen Consumption
Palliative Care
Postoperative Period
Pulmonary Circulation
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Summary:Hemodynamic stability after Norwood palliation often requires manipulation of pulmonary vascular resistance to alter the pulmonary-to-systemic blood flow ratio (Qp:Qs). Qp:Qs is often estimated from arterial saturation (SaO2), a practice based on 2 untested assumptions: constant systemic arteriovenous O2 difference and normal pulmonary venous saturation. In 12 patients early (
ISSN:1524-4539