Cardiac surgery is performed on hundreds of thousands of patients a year, and can have an important beneficial impact on the outcomes of patients with coronary and valvular heart diseases. Despite the favorable recovery of most patients, some will have their post-operative period interrupted by the development of atrial fibrillation, with a host of potential complications including stroke. High risk subgroups may develop atrial fibrillation in more than half of cases, and often despite aggressive prophylactic measures. Treatment of atrial fibrillation and its aftermath can also add days to the hospital stay of the cardiac surgical patient. In an era of aggressive cost cutting and optimization of utilization of health care resources, the financial impact of this arrhythmic complication may be enormous.
Experimental studies have led to a greater understanding of the mechanism of atrial fibrillation and potential precipitating factors in the cardiac surgical patient. Prophylactic efforts with beta-blockers, antiarrhythmic drugs and atrial pacing are being used, or are being investigated in clinical trials. New methods of achieving prompt cardioversion with minimal disruption of patient care, and prevention of the thromboembolic complications of atrial fibrillation, are also important therapeutic initiatives. This text is designed to aid health care professionals in the treatment of their patients in the recovery period after cardiac surgery, and to instigate additional research efforts to limit the occurrence of, and the complications following, this tenacious postoperative arrhythmia.

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Preface. Acknowledgement. Index. 1. Experimental Animal Models of Atrial Arrhythmias and their Relevance to Postoperative Atrial Arrhythmias that Occur in Humans Undergoing Cardiac Surgery; G.K. Feld. 2. Understanding the Pathophysiology of Atrial Fibrillation From Clinical Observations; S.E. Mattson, L.I. Ganz. 3. Incidence, Timing and Outcome of Atrial Tachyarrhythmias After Cardiac Surgery; L.B. Mitchell. 4. Risk Factors for the Development of Postoperative Atrial Fibrillation; F.A. Ehlert, et al. 5. The Impact of Atrial Fibrillation on Hospital Length Of Stay After Cardiac Surgery; J.E. Tamis, J.S. Steinberg. 6. Prophylactic Value of Beta Blockers; J.E. Sanchez, A.E. Epstein. 7. Antiarrhythmic Therapy to Prevent Atrial Fibrillation after Cardiac Surgery; B.P. Knight, F. Morady. 8. Nonpharmacologic Treatment of Postoperative Atrial Fibrillation; R.J. Lewis, J.S. Steinberg. 9. Therapeutic Options for Established or Recurrent Atrial Fibrillation: Focus on Antithrombotic Therapy; J.H. McAnulty, J. Kron. 10. Atrial Fibrillation after Noncardiac Surgery; D.D. Narula, J.S. Steinberg.