Objective Quantification of Bilateral Bubble Contrast Echocardiography Correlates with Systemic Oxygenation in Patients with Single Ventricle Circulation

Bubble contrast echocardiography is commonly used to diagnose pulmonary arteriovenous malformations (PAVMs) in single ventricle congenital heart disease (CHD), yet previous studies inconsistently report a correlation between bubble echoes and oxygenation. In this study, we sought to re-evaluate the...

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Bibliographic Details
Published in:Journal of cardiovascular development and disease 2024-03, Vol.11 (3), p.84
Main Authors: Phimister, Ashley, Bushee, Chana, Merbach, Monica, Challa, Sai Alekha, Pan, Amy Y, Spearman, Andrew D
Format: Article
Language:English
Subjects:
bubble echocardiography
Cardiac catheterization
Care and treatment
Congenital heart disease
Coronary vessels
Echocardiography
Fontan
Genetic disorders
Glenn
Heart
Heart diseases
intrapulmonary shunting
Intubation
Medical records
Patients
Pulmonary arteries
pulmonary arteriovenous malformations
single ventricle
Ultrasonic imaging
Variables
Veins & arteries
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Summary:Bubble contrast echocardiography is commonly used to diagnose pulmonary arteriovenous malformations (PAVMs) in single ventricle congenital heart disease (CHD), yet previous studies inconsistently report a correlation between bubble echoes and oxygenation. In this study, we sought to re-evaluate the correlation between bubble echoes and oxygenation by assessing total bilateral shunting and unilateral shunting. We conducted a single-center, retrospective study of patients with single ventricle CHD and previous Glenn palliation who underwent a cardiac catheterization and bubble echocardiogram during the same procedure from 2011 to 2020. Spearman's rank correlation was performed to examine the relationship between total bilateral shunting and measures of systemic oxygenation, as well as unilateral shunting and ipsilateral pulmonary vein oxygenation. For all patients (n = 72), total bilateral shunting moderately correlated with peripheral oxygen saturation (SpO ) (r = -0.44, < 0.0001). For patients with Glenn/Kawashima circulation (n = 49), total bilateral shunting was moderately correlated (SpO : r = -0.38, < 0.01). In contrast, unilateral shunting did not correlate with ipsilateral pulmonary vein oxygenation for any vein measured ( = 0.16- > 0.99). In conclusion, the total burden of bilateral bubble shunting correlated with systemic oxygenation and may better reflect the total PAVM burden from all lung segments. Unilateral correlation may be adversely influenced by non-standardized approaches to pulmonary vein sampling.
ISSN:2308-3425
2308-3425
DOI:10.3390/jcdd11030084