The persistent problem of new-onset postoperative atrial fibrillation: A single-institution experience over two decades

Jeanne Shen, Shelly Lall, Victoria Zheng, Patricia Buckley, Ralph J. Damiano, Richard B. Schuessler

Research output: Contribution to journalArticle

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Abstract

Objective: Postoperative atrial fibrillation is the most common complication after cardiac surgery. A variety of postoperative atrial fibrillation risk factors have been reported, but study results have been inconsistent or contradictory, particularly in patients with preexisting atrial fibrillation. The incidence of postoperative atrial fibrillation was evaluated in a group of 10,390 patients undergoing cardiac surgery among a comprehensive range of risk factors to identify reliable predictors of postoperative atrial fibrillation. Methods: This 20-year retrospective study examined the relationship between postoperative atrial fibrillation and demographic factors, preoperative health conditions and medications, operative procedures, and postoperative complications. Multivariate logistic regression models were used to evaluate potential predictors of postoperative atrial fibrillation. Results: Increasing age, mitral valve surgery (odds ratio = 1.91), left ventricular aneurysm repair (odds ratio = 1.57), aortic valve surgery (odds ratio = 1.52), race (Caucasian) (odds ratio = 1.51), use of cardioplegia (odds ratio = 1.36), use of an intraaortic balloon pump (odds ratio = 1.28), previous congestive heart failure (odds ratio = 1.28), and hypertension (odds ratio = 1.15) were significantly associated with postoperative atrial fibrillation. The non-linear relationship between age and postoperative atrial fibrillation revealed the acceleration of postoperative atrial fibrillation risk in patients aged 55 years or more. In patients undergoing coronary artery bypass grafting, increasing age and previous congestive heart failure were the only factors associated with a higher risk of postoperative atrial fibrillation. There was no trend in incidence of postoperative atrial fibrillation over time. No protective factors against postoperative atrial fibrillation were detected, including commonly prescribed categories of medications. Conclusions: The persistence of the problem of postoperative atrial fibrillation and the modest predictability using common risk factors suggest that limited progress has been made in understanding its cause and treatment.

Original languageEnglish (US)
Pages (from-to)559-570
Number of pages12
JournalJournal of Thoracic and Cardiovascular Surgery
Volume141
Issue number2
DOIs
StatePublished - Feb 1 2011

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Atrial Fibrillation
Odds Ratio
Thoracic Surgery
Heart Failure
Logistic Models
Induced Heart Arrest
Incidence
Operative Surgical Procedures
Aortic Valve
Mitral Valve
Coronary Artery Bypass
Aneurysm
Retrospective Studies
Demography
Hypertension

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Surgery
  • Pulmonary and Respiratory Medicine

Cite this

The persistent problem of new-onset postoperative atrial fibrillation : A single-institution experience over two decades. / Shen, Jeanne; Lall, Shelly; Zheng, Victoria; Buckley, Patricia; Damiano, Ralph J.; Schuessler, Richard B.

In: Journal of Thoracic and Cardiovascular Surgery, Vol. 141, No. 2, 01.02.2011, p. 559-570.

Research output: Contribution to journalArticle

Shen, Jeanne ; Lall, Shelly ; Zheng, Victoria ; Buckley, Patricia ; Damiano, Ralph J. ; Schuessler, Richard B. / The persistent problem of new-onset postoperative atrial fibrillation : A single-institution experience over two decades. In: Journal of Thoracic and Cardiovascular Surgery. 2011 ; Vol. 141, No. 2. pp. 559-570.
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