Key result
4D flow CMR reveals pulmonary blood flow characteristics predisposing to pulmonary bifurcation stenosis.
Why the study?
Bilateral bidirectional Glenn shunts carry a risk of pulmonary artery bifurcation stenosis that alters pulmonary blood flow, which can negatively impact subsequent single ventricle palliation stages.
Does 4D flow cardiac magnetic resonance imaging improve the evaluation of pulmonary blood flow and bifurcation stenosis in patients with bilateral bidirectional Glenn shunts?
Case Report
Does 4D flow cardiac magnetic resonance imaging improve the evaluation of pulmonary blood flow and bifurcation stenosis in patients with bilateral bidirectional Glenn shunts?
4D flow cardiac MRI is a valuable tool for mapping and quantifying pulmonary blood flow in patients with bilateral bidirectional Glenn shunts to assess the risk of bifurcation stenosis.
May aid flow mapping in Glenn shunts; hypothesis-generating and should not yet change practice.
Bilateral bidirectional Glenn shunts are associated with the risk of developing pulmonary artery bifurcation stenosis, resulting in variable pulmonary blood flow to either lung. This could negatively impact the subsequent stages of the single ventricle palliation pathway. This report highlights the value of 4D flow sequence from the cardiac magnetic resonance imaging in demonstrating the pulmonary blood flow characteristics following a bilateral bidirectional Glenn procedure. Mapping the blood flow pattern and its quantification to each lung provide objective insights into the possible predisposing factors for the development of pulmonary bifurcation stenosis.
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Kindi et al. (2022) conducted a case report in Bilateral bidirectional Glenn shunts. 4D flow cardiac magnetic resonance imaging was evaluated on Pulmonary blood flow characteristics and quantification. 4D flow cardiac magnetic resonance imaging demonstrates pulmonary blood flow characteristics and provides objective insights into predisposing factors for pulmonary bifurcation stenosis.
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