• John S Seif, Sherif S Zaky, Anupa Deogaonkar, Alaa A Abd-Elsayed, M Phil Liang Li, Marv Leventhal, and C Allen Bashour.
• Department of Anesthesiology, Cleveland Clinic, Cleveland, OH, USA.
• J. Cardiothorac. Vasc. Anesth. 2010 Jun 1; 24 (3): 447-50.

ObjectiveThe primary aim of this investigation was to compare the incidence of new-onset postoperative atrial arrhythmias (POAAs) in cardiac versus noncardiac thoracic surgery patients. A subgroup analysis also was performed in the cardiac surgery patients comparing POAAs in patients who underwent cardiac surgery on and off cardiopulmonary bypass (CPB).DesignThis was a retrospective study using the Department of Cardiothoracic Anesthesia patient registry. All patients (n = 33,500) undergoing cardiac (n = 29,057) and noncardiac thoracic (n = 4,443) surgeries between 1993 and 2004 were identified from the patient registry. Two propensity-matched comparisons for the incidence of POAAs were made: (1) in cardiac surgery patients versus noncardiac thoracic surgery patients and (2) in patients undergoing cardiac surgery with versus without CPB.SettingA large metropolitan multidisciplinary clinic.ParticipantsPatients.InterventionNo interventions were done because this was a retrospective study.Measurements And Main ResultsThe cardiac patients had a significantly higher incidence of POAAs when compared with noncardiac thoracic surgery patients (11.6% v 7.5%, p < 0.001). There was no significant difference in the incidence of POAAs between patients undergoing CPB versus off-pump CPB (13.3% v 12.3%, p = 0.3).ConclusionThe incidence of new-onset POAAs was higher in patients undergoing cardiac surgery than in patients undergoing noncardiac thoracic surgery in propensity-matched patient groups. CPB was not associated with new-onset POAAs.Published by Elsevier Inc.

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