Abstract: Objective To investigate the risk factor of cardiac arrhythmia following operation on lung cancer,to search approach for its prevention and treatment.Methods With methods of case-control study,an epidemiological survey of the cardiac arrhythmia following operation on lung cancer in Tumor Hospital of Guangxi Medical University from April 2004 to April 2009 was conducted.Logistic regression was performed.Results Risk factors were identified by multifactor unconditional logistic regression,including age older than 65y,tobacco smoking,poor pulmonary function,pericardial injury,after acid-base imbalance,electrolyte disorders,large scale of clearance of lymph nodes,pathological grading,complications after operation,postoperative analgesia.Conclusion To prevent the occurrence of postoperative arrhythmias,the measures such as active treatment of cardio-pulmonary complication,improvement of heart and lung functions,postoperative care with ECG and preventive treatment are necessary.

Key words: Lung cancer, Postoperative complication, Cardiac arrhythmia, Risk factor