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An Unusual ECG Finding during Adenosine Stress Myocardial Perfusion Imaging.
Indian J Nucl Med
November 2024
Department of Cardiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Adenosine is extensively utilized in myocardial stress perfusion imaging for the detection and risk stratification of coronary artery disease. It has a well-established safety profile. The majority of the undesirable effects experienced during adenosine infusion are transient (owing to its brief half-life of ~10 s) and arise from the stimulation of receptors in the atrio-ventricular (AV) node (AV block) and bronchial smooth muscles (bronchospasm).
View Article and Find Full Text PDFUnusual Case of Anomalous Coronary Origin and Myocardial Bridge to Right Ventricle Communication.
Ann Thorac Surg Short Rep
December 2023
Division of Pediatric Cardiac Surgery, Department of Cardiothoracic Surgery, Lucile Packard Children's Hospital, Stanford University, Stanford, California.
Anomalous coronary artery origin is rare and can occur with myocardial bridging. We describe a 28-year-old patient with symptomatic anomalous right coronary artery arising from the left sinus of Valsalva with concomitant myocardial bridging of the left anterior descending artery. It was discovered that the left anterior descending artery ran along the free right ventricular wall with trabeculated myocardium composing the bridge.
View Article and Find Full Text PDFEndocardial Anchoring Technique for Cardiac Total Anomalous Pulmonary Venous Return.
Ann Thorac Surg Short Rep
December 2023
Department of Pediatric Cardiovascular Surgery, Tokyo Metropolitan Children's Medical Center, Tokyo, Japan.
To improve the suboptimal outcomes of the cutback technique for cardiac total anomalous pulmonary venous return, we devised a novel modification for this conventional method that consists of an L-shaped incision of the roof of the coronary sinus into the pulmonary venous confluence, followed by turning over the flap and anchoring it to the endocardium of the left atrium. Our modification provides a large, oval communication between the pulmonary vein confluence and the left atrium and resultant smooth drainage of the pulmonary venous blood, which may prevent turbulent blood flow and the subsequent development of intimal hyperplasia.
View Article and Find Full Text PDFRepair of Giant Sinus of Valsalva Aneurysms.
Ann Thorac Surg Short Rep
March 2023
Department of Cardiothoracic Surgery, Loyola University Medical Center, Maywood, Illinois.
Sinus of Valsalva aneurysm (SVA) is a rare, abnormal dilation of the aortic root. Although often asymptomatic, SVAs can be manifested with a variety of symptoms, including rupture, which is a highly lethal condition. Most SVAs are small, and most patients present with aneurysm in a single coronary sinus.
View Article and Find Full Text PDFMinimally Invasive Repair of a Sinus Node Artery Aneurysm With a Fistula Into the Right Atrium.
Ann Thorac Surg Short Rep
March 2024
Department of Cardiovascular Surgery, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan.
A coronary artery aneurysm arising from a sinus node artery with a fistula is an extremely rare congenital anomaly. We report a rare case of a minimally invasive repair of a sinus node artery aneurysm with a fistula in the right atrium.
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