Open-heart correction of tetralogy of Fallot in an acyanotic dog

Linda J. Lew From the Department of Veterinary Anesthesiology, Radiology, and Surgery (Lew, Fowler, Egger), and Division of Cardiovascular and Thoracic Surgery, Department of Surgery, Royal University Hospital (McKay, Rosin), Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, Canada S7N 5E5.

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John D. Fowler From the Department of Veterinary Anesthesiology, Radiology, and Surgery (Lew, Fowler, Egger), and Division of Cardiovascular and Thoracic Surgery, Department of Surgery, Royal University Hospital (McKay, Rosin), Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, Canada S7N 5E5.

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Roxane McKay From the Department of Veterinary Anesthesiology, Radiology, and Surgery (Lew, Fowler, Egger), and Division of Cardiovascular and Thoracic Surgery, Department of Surgery, Royal University Hospital (McKay, Rosin), Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, Canada S7N 5E5.

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Christine M. Egger From the Department of Veterinary Anesthesiology, Radiology, and Surgery (Lew, Fowler, Egger), and Division of Cardiovascular and Thoracic Surgery, Department of Surgery, Royal University Hospital (McKay, Rosin), Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, Canada S7N 5E5.

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Mark W. Rosin From the Department of Veterinary Anesthesiology, Radiology, and Surgery (Lew, Fowler, Egger), and Division of Cardiovascular and Thoracic Surgery, Department of Surgery, Royal University Hospital (McKay, Rosin), Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, Canada S7N 5E5.

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  • Palliative treatment of tetralogy of Fallot in dogs has included β-adrenergic blockers to reduce right ventricular obstruction secondary to infundibular spasm, creation of systemic to pulmonary artery shunts to increase pulmonary blood flow, or both.

  • Primary definitive open-heart repair is the preferred treatment in humans, but successful correction of defects in dogs is rare.

  • Adaptation of cannulation, perfusion, and myocardial protection techniques used for human pediatric cardiac patients may improve the success of cardiac surgery in dogs.

  • Open-heart correction of tetralogy of Fallot in dogs is an alternative that may be a superior therapeutic option.

  • Palliative treatment of tetralogy of Fallot in dogs has included β-adrenergic blockers to reduce right ventricular obstruction secondary to infundibular spasm, creation of systemic to pulmonary artery shunts to increase pulmonary blood flow, or both.

  • Primary definitive open-heart repair is the preferred treatment in humans, but successful correction of defects in dogs is rare.

  • Adaptation of cannulation, perfusion, and myocardial protection techniques used for human pediatric cardiac patients may improve the success of cardiac surgery in dogs.

  • Open-heart correction of tetralogy of Fallot in dogs is an alternative that may be a superior therapeutic option.

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