An unexpected circular shunt: Novel method to treat semilunar valve insufficiency in a single ventricle patient on mechanical circulatory support. [PDF]
Catheter Cardiovasc Interv, 2022 AbstractSevere semilunar valve insufficiency in single ventricle patients supported with mechanical circulatory support while awaiting transplant remains a complex clinical scenario with few favorable options for management. We present the first case, to our knowledge, of transcatheter closure of the pulmonic valve in a patient palliated with a hybrid ...
Hagel JA +3 more
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Management of a premature low birth weight neonate with Ebstein anomaly and persistent circular shunt using modified Starnes procedure. [PDF]
JTCVS Tech, 2021 From the Division of Cardiovascular Surgery, Labatt Family Heart Centre, Division of Cardiac Critical Care, Department of Critical Care Medicine, and Division of Cardiology, Labatt Family Heart Centre, The Hospital for Sick Children, Toronto, Ontario ...
Deng MX, Kirsch R, Jaeggi E, Honjo O.
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Demonstration of circular shunt in fetal Ebstein anomaly.
Ann Pediatr Cardiol, 2015 Ebstein's anomaly was diagnosed in a fetus at 24 weeks of gestation. There was significant cardiomegaly and severe tricuspid regurgitation (TR). There was functional pulmonary atresia with severe pulmonary regurgitation (PR) and this was causing a circular shunt. There was no fetal hydrops.
Sasikumar D +2 more
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Fetal Diagnosis of Tetralogy of Fallot, Major Aortopulmonary Collateral Arteries, and an "Inverted" Pulmonary Valve Causing a Circular Shunt. [PDF]
CASE (Phila), 2020 [Figure: see text]
Satzer M +3 more
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Atypical Circular Shunt and Diffuse Emphysema in a Fetus with Double-Outlet Right Ventricle and Absent Pulmonary Valve. [PDF]
CASE (Phila), 2017 [Figure: see text]
Edwards LA, Masand P, Morris SA.
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Ann Pediatr Cardiol, 2017 Perinatal mortality remains high among fetuses diagnosed with Ebstein's anomaly of the tricuspid valve. The subgroup of patients with pulmonary valve regurgitation is at particularly high risk. In the setting of pulmonary valve regurgitation, early constriction of the ductus arteriosus may be a novel perinatal management strategy to reduce systemic ...
Arunamata A +5 more
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Hemodynamic considerations for prenatal treatment of severe Ebstein anomaly with circular shunt based on two cases and review of the literature. [PDF]
Arch Gynecol ObstetAbstract Prenatal severe Ebstein anomaly might be complicated by a circular shunt. In these cases, persistently elevated right atrial and venous pressure (due to severe tricuspid regurgitation) is complicated by a systemic ineffective blood shunt via a DA, resulting in diminished end-organ perfusion and acidosis, due to overall low cardiac ...
Walter A +7 more
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Circular shunt in a pulmonary artery to right atrial tunnel, an anomaly unreported so far.
Ann Pediatr Cardiol, 2014 While aortico-right atrial tunnels with left to right shunt from aorta to right atrium are reported widely, pulmonary artery to right atrial tunnels have not been described so far. Such a tunnel will lead to a circular shunt with a recirculation of blood in the right sided cardiac chambers repeatedly bypassing the pulmonary capillary bed.
Singhi AK, Sivakumar K.
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Commentary: Learning points from a remarkable success in achieving stable pulmonary blood flow in a very small baby with Ebstein anomaly and a circular shunt. [PDF]
JTCVS Tech, 2021 Critical neonatal Ebstein anomaly with persistent circular shunt is a difficult and complex problem, with a perinatal mortality as high as 45%. It is uncommon and frequently fatal.
Salve GG, Winlaw DS.
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Treatment of fetal circular shunt with non‐steroidal anti‐inflammatory drugs [PDF]
Ultrasound in Obstetrics & Gynecology, 2019 ABSTRACTA circular shunt (CS) is a life‐threatening condition involving massive shunting of systemic arterial blood via the ductus arteriosus to the left ventricle without traversing the lungs. In the prenatal setting, it occurs mainly in fetuses with severe forms of Ebstein's anomaly (EA) owing to unrestricted ductal flow and significant pulmonary and
T. Torigoe +7 more
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