Factors related to arrhythmias in patients undergoing heart surgery


  • Janjuree Yotda Master's Student, Master of Nursing Science Program in Adult Nursing, Mahidol University
  • Kusuma Khuwatsamrit Faculty of Medicine Ramathibodi Hospital, Mahidol University
  • Apinya Siripitayakunkit Faculty of Medicine Ramathibodi Hospital, Mahidol University


cardiac arrhythmias, heart surgery, retrospective study


This retrospective research aimed to explore physical, cardiac function and surgical factors with cardiac arrhythmia after heart surgery, and to study the relationship between physical, cardiac function, and surgical factors and cardiac arrhythmias after heart surgery. The data were derived from the medical records at Ramathibodi Hospital, Thailand from January 2012 to December 2012.  A total number of 425 patients were selectively collected. Data were analyzed by using chi-square and Fisher exact test.

The result showed that patients after heart surgery developed cardiac arrhythmias were 388 (91.3%). Various types of cardiac arrhythmia were as follows: premature ventricular contraction 246 cases (57.9%), atrial fibrillation 199 cases (46.8%), tachycardia 181 cases (42.6%), premature atrial contraction 177 cases (41.6%), ventricular tachycardia 65 cases (15.3%), bradycardia 54 cases (12.7%), ventricular fibrillation 28 cases (6.6%), and others types 63 cases (14.8%). It concludes that preoperative EKG, types of operation and heart lung machine were significantly different between patients with cardiac arrhythmia and without cardiac arrhythmia after heart surgery (p < .01)

 This study provided basic knowledge of cardiac arrhythmia after heart surgery and could help develop guideline to prevent cardiac arrhythmias after heart surgery in high-risk patients.


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