Vidhushei Yogeswaran1, Rahul Kanade1, Camilo Mejia1, Ayotola Fatola1, Srikanth Kothapalli1, Maria Najam1, Harigopal Sandhyavenu1, Mounika Angirekula1, Karim Osma1, Mathews Jessey1, Donald Hagler2, Alexander C. Egbe1
Congenital Heart Disease, Vol.14, No.5, pp. 713-719, 2019, DOI:10.1111/chd.12813
Abstract Background: Although Doppler echocardiography is routinely used to assess left
ventricle cardiac output, there are limited data about the feasibility of Doppler echo‐
cardiography for right ventricular (RV) cardiac output assessment in patients with
left‐to‐right shunt. The purpose of the study was to determine the correlation be‐
tween Doppler‐derived and Fick‐derived RV cardiac index (CI), and the interobserver
correlation in Doppler‐derived RV CI assessment.
Methods: Retrospective study of patients (age ≥18 years) with unrepaired atrial septal
defect who underwent cardiac catheterization and echocardiography (within 3 days),
2004‐2017. RV CI was calculated using the hydraulic orifice formula: [.785 × (right
ventricle… More >
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