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Unusual 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 PDFPulmonary Atresia Intact Ventricular Septum With Anomalous Left Coronary Artery From Pulmonary Artery.
Ann Thorac Surg Short Rep
December 2024
Children's Heart Institute, Children's Memorial Hermann Hospital, Houston, Texas.
A patient with known pulmonary atresia and intact ventricular septum and ductal stent presented with low cardiac output and arrythmia. Intraoperatively, the patient was found to have an anomalous left coronary artery arising from the pulmonary artery. After reimplantation of the left coronary artery to the aortic root and placement of a central shunt, the patient progressed well and was discharged home.
View Article and Find Full Text PDFQuantitative Myocardial Perfusion in Surgically Repaired Coronary Artery Anomaly.
Ann Thorac Surg Short Rep
March 2023
Department of Cardiology, Hokkaido Ohno Memorial Hospital, Sapporo, Japan.
The anomalous aortic origin of the right coronary artery with an intramural course is rare and can cause myocardial ischemia, for which surgical repair is indicated. We present the case of a 49-year-old man with this anomaly whose preoperative myocardial perfusion positron emission tomography revealed inducible ischemia. Comparison of the preoperative and follow-up (6 months) positron emission tomography findings showed significant improvement in regional myocardial flow reserve and relative flow reserve, in keeping with the improvement in symptoms.
View Article and Find Full Text PDFIncidentally Discovered Anomalous Mitral Chordae at the Time of Mitral Valve Repair.
Ann Thorac Surg Short Rep
September 2024
Department of Cardiovascular Surgery, Mayo Clinic, Rochester, Minnesota.
Anomalous supravalvular mitral chordae tendineae that originate from the mitral leaflet(s) and attach to the interatrial septum or dome of the left atrium are a rare congenital anomaly. These supravalvular chordae are often associated with severe mitral regurgitation and surgical experience has included resection of the anomalous chord as part of the repair. We describe an unusual presentation of an incidentally discovered anomalous supravalvular chord at the time of mitral valve repair for degenerative mitral regurgitation related to a flail posterior leaflet.
View Article and Find Full Text PDFNorwood Procedure for Hypoplastic Left Heart With Anomalous Coronary Artery From Pulmonary Trunk.
Ann Thorac Surg Short Rep
September 2024
Department of Pediatric Cardiac Surgery, National Cerebral and Cardiovascular Center, Osaka, Japan.
Undetected coronary anomalies at Norwood procedure are associated with poor prognosis due to inadequate myocardial protection. We report a case of anomalous origin of the right coronary artery from the main pulmonary artery trunk with hypoplastic left heart syndrome and aortic atresia. Although, during bilateral pulmonary artery banding as initial palliation, the proximity between the right coronary artery origin and the aortic root made a visual diagnosis difficult, it was diagnosed using computed tomography before the Norwood procedure.
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