William L Patrick1, Richard D Mainwaring2, Sergio A Carrillo1, Michael Ma1, Olaf Reinhartz3, Edwin Petrossian4, Elif Seda Selamet Tierney5, V Mohan Reddy1, Frank L Hanley6. 1. Division of Pediatric Cardiac Surgery, Lucile Packard Children's Hospital/Stanford University, Stanford, CA, USA. 2. Division of Pediatric Cardiac Surgery, Lucile Packard Children's Hospital/Stanford University, Stanford, CA, USA mainwaring@stanford.edu. 3. Division of Pediatric Cardiac Surgery, Lucile Packard Children's Hospital/Stanford University, Stanford, CA, USA Division of Pediatric Cardiac Surgery, Oakland Children's Hospital, Oakland, CA, USA. 4. Division of Pediatric Cardiac Surgery, Lucile Packard Children's Hospital/Stanford University, Stanford, CA, USA Division of Pediatric Cardiac Surgery, Central Valley Children's Hospital, Madera, CA, USA. 5. Division of Pediatric Cardiology, Lucile Packard Children's Hospital/Stanford University, Stanford, CA, USA. 6. Division of Pediatric Cardiac Surgery, Lucile Packard Children's Hospital/Stanford University, Stanford, CA, USA Division of Pediatric Cardiac Surgery, Oakland Children's Hospital, Oakland, CA, USA Division of Pediatric Cardiac Surgery, Central Valley Children's Hospital, Madera, CA, USA.
Abstract
PURPOSE: Truncus arteriosus is a complex and heterogeneous form of congenital heart defect. Many of the risk factors from several decades ago, including late repair and interrupted aortic arch, have been mitigated through better understanding of the entity and improved surgical techniques. However, truncal valve dysfunction remains an important cause of morbidity and mortality. The purpose of this study was to evaluate the anatomic factors associated with truncal valve dysfunction and the need for truncal valve surgery. METHODS: This was a retrospective review of 72 infants who underwent repair of truncus arteriosus at our institution. The median age at surgery was nine days, and the median weight was 3.1 kg. Preoperative assessment of truncal valve insufficiency by echocardiography revealed no or trace insufficiency in 30, mild in 25, moderate in 10, and severe in 7. The need for truncal valve surgery was dictated by the severity of truncal valve insufficiency. RESULTS: Sixteen (22%) of the 72 patients undergoing truncus arteriosus repair had concomitant truncal valve surgery. Anatomic factors associated with the need for truncal valve surgery included an abnormal number of truncal valve cusps (P < .005), presence of valve dysplasia (P < .005), and the presence of an anomalous coronary artery pattern (P < .005). Fifteen (94%) of the sixteen patients who underwent concomitant surgery had two or all three of these anatomic factors (sensitivity = 94%, specificity = 85%). CONCLUSION: This study demonstrates that the presence of specific anatomic factors was closely associated with the presence of truncal valve insufficiency and the need for concomitant truncal valve surgery. Preoperative evaluation of these anatomic factors may provide a useful tool in determining who should undergo concomitant truncal valve surgery.
PURPOSE:Truncus arteriosus is a complex and heterogeneous form of congenital heart defect. Many of the risk factors from several decades ago, including late repair and interrupted aortic arch, have been mitigated through better understanding of the entity and improved surgical techniques. However, truncal valve dysfunction remains an important cause of morbidity and mortality. The purpose of this study was to evaluate the anatomic factors associated with truncal valve dysfunction and the need for truncal valve surgery. METHODS: This was a retrospective review of 72 infants who underwent repair of truncus arteriosus at our institution. The median age at surgery was nine days, and the median weight was 3.1 kg. Preoperative assessment of truncal valve insufficiency by echocardiography revealed no or trace insufficiency in 30, mild in 25, moderate in 10, and severe in 7. The need for truncal valve surgery was dictated by the severity of truncal valve insufficiency. RESULTS: Sixteen (22%) of the 72 patients undergoing truncus arteriosus repair had concomitant truncal valve surgery. Anatomic factors associated with the need for truncal valve surgery included an abnormal number of truncal valve cusps (P < .005), presence of valve dysplasia (P < .005), and the presence of an anomalous coronary artery pattern (P < .005). Fifteen (94%) of the sixteen patients who underwent concomitant surgery had two or all three of these anatomic factors (sensitivity = 94%, specificity = 85%). CONCLUSION: This study demonstrates that the presence of specific anatomic factors was closely associated with the presence of truncal valve insufficiency and the need for concomitant truncal valve surgery. Preoperative evaluation of these anatomic factors may provide a useful tool in determining who should undergo concomitant truncal valve surgery.
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