Outcomes of Primary Bidirectional Glenn in Children with Single Ventricle Physiology and Increased Pulmonary Blood Flow
Keywords:bidirectional Glenn, BDG, congenital heart disease, pediatric, pulmonary blood flow, single ventricle
Background: We reported our experience in managing patients with single ventricle (SV) physiology and increased pulmonary blood flow (PBF), aiming to assess if it is feasible to proceed with primary Bidirectional Glenn (BDG) without a prior operation to limit PBF.
Materials and methods: This is a retrospective study with 51 consecutive patients who underwent BDG operation as a primary operation or a second stage prior to the definitive Fontan operation at King Abdulaziz University Hospital (KAUH) in Jeddah, Saudi Arabia between 2010 and 2018. Patients were categorized into two groups based on their PBF prior to the operation: Patients who had SV physiology and increased PBF (seven patients) vs. patients with SV physiology and restricted PBF (44 patients).
Results: The median age for the increased PBF group was 9.9 months [interquartile range (IQR): 2-16.9 months], and the median age for the restricted PBF group was 15.3 months (IQR: 6.7-42.6 months). Although the length of hospital stay was longer in patients with increased PBF (P = 0.039), we couldn't find a statistically significant difference in early mortality, duration of mechanical ventilation, length of pleural drainage, and length of intensive care unit (ICU) stay between the groups.
Conclusion: In our experience, we found that primary BDG could be done safely for patients having SV physiology and increased PBF with acceptable short-term outcomes. It might further reduce the morbidity and mortality for those patients by avoiding the risk of initial pulmonary artery banding or aortopulmonary shunts.
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