UNLABELLED: Anomalous coronary arteries (ACAs) may be clinically silent and totally benign or associated with catastrophic and fatal presentations. It has been postulated that the proximal course of an ACA is a decisive factor in risk stratification and surgical approach. Particularly, a course between the aorta and pulmonary trunk carries a high risk of major adverse events. We sought to evaluate the anatomic course of documented ACAs by transesophageal echocardiography (TEE) and to study their functional importance using stress-rest (99m)Tc-sestamibi ((99m)Tc-MIBI) myocardial perfusion SPECT. METHODS: From a cohort of patients undergoing coronary angiography in our department between January 1997 and April 2003, we selected 14 with ACAs but without CAD (9 men and 5 women; mean age, 50.7 +/- 14.6 y). All patients underwent TEE and stress-rest (99m)Tc-MIBI myocardial perfusion SPECT. RESULTS: TEE correctly identified the origin of all ACAs and revealed an anomalous course between the great vessels in 5 patients. At exercise myocardial perfusion SPECT, 4 of 14 patients demonstrated a reversible myocardial perfusion defect. All these patients had an anomalous course between the aorta and pulmonary artery. CONCLUSION: In this study, 4 of 5 (80%) anomalous courses between the aorta and pulmonary artery were associated with the finding of a reversible perfusion defect on stress-rest SPECT. An integrated evaluation of anatomic course and hemodynamic importance could be useful in the management of ACA.
UNLABELLED: Anomalous coronary arteries (ACAs) may be clinically silent and totally benign or associated with catastrophic and fatal presentations. It has been postulated that the proximal course of an ACA is a decisive factor in risk stratification and surgical approach. Particularly, a course between the aorta and pulmonary trunk carries a high risk of major adverse events. We sought to evaluate the anatomic course of documented ACAs by transesophageal echocardiography (TEE) and to study their functional importance using stress-rest (99m)Tc-sestamibi ((99m)Tc-MIBI) myocardial perfusion SPECT. METHODS: From a cohort of patients undergoing coronary angiography in our department between January 1997 and April 2003, we selected 14 with ACAs but without CAD (9 men and 5 women; mean age, 50.7 +/- 14.6 y). All patients underwent TEE and stress-rest (99m)Tc-MIBI myocardial perfusion SPECT. RESULTS: TEE correctly identified the origin of all ACAs and revealed an anomalous course between the great vessels in 5 patients. At exercise myocardial perfusion SPECT, 4 of 14 patients demonstrated a reversible myocardial perfusion defect. All these patients had an anomalous course between the aorta and pulmonary artery. CONCLUSION: In this study, 4 of 5 (80%) anomalous courses between the aorta and pulmonary artery were associated with the finding of a reversible perfusion defect on stress-rest SPECT. An integrated evaluation of anatomic course and hemodynamic importance could be useful in the management of ACA.
Authors: C Uebleis; M Groebner; F von Ziegler; A Becker; C Rischpler; R Tegtmeyer; C Becker; S Lehner; A R Haug; P Cumming; P Bartenstein; W M Franz; M Hacker Journal: Int J Cardiovasc Imaging Date: 2011-12-07 Impact factor: 2.357
Authors: Christoph Gräni; Dominik C Benz; Christian Schmied; Jan Vontobel; Fran Mikulicic; Mathias Possner; Olivier F Clerc; Julia Stehli; Tobias A Fuchs; Aju P Pazhenkottil; Oliver Gaemperli; Ronny R Buechel; Philipp A Kaufmann Journal: J Nucl Cardiol Date: 2015-12-28 Impact factor: 5.952
Authors: Marius Reto Bigler; Afreed Ashraf; Christian Seiler; Fabien Praz; Yasushi Ueki; Stephan Windecker; Alexander Kadner; Lorenz Räber; Christoph Gräni Journal: Front Cardiovasc Med Date: 2021-01-21
Authors: Paul C Cremer; Amgad Mentias; Srikanth Koneru; Paul Schoenhagen; David Majdalany; Richard Lorber; Scott D Flamm; Robert E Hobbs; Gosta Pettersson; Wael A Jaber Journal: Open Heart Date: 2016-08-22