Background Coronary artery bypass graft surgery is an important treatment for the patients with coronary artery disease to reduce angina and enhance the quality of life. Anxiety is a usual reaction to a stressful situation and is existing in patients awaiting surgery. Objective The objective of the study was to assess pre-operative anxiety in patients who were undergoing coronary artery bypass graft surgery. Methods A cross-sectional study consisting of 140 patients undergoing coronary artery bypass graft surgery were included in the study using a convenience sampling technique in a tertiary care referral hospital. The data was collected using state-trait anxiety inventory. The data were entered into SPSS (version – 20.0) for windows and descriptive and inferential statistics were performed. Results The study enrolled 140 (117 males and 23 females) patients. Their mean age was 57.29 ± 8.14 (range 35–70 years). Most of the patients 118 (84%) had preoperative anxiety before coronary artery bypass graft surgery. There was an association found between gender and anxiety with Pearson chi-square value of 11.57 (p < 0.001). Discussion Patients undergoing coronary artery bypass graft surgery is experiencing the high level of pre-operative anxiety and females had higher anxiety than the males. Identification of the pre-operative anxiety in patients undergoing CABG surgery is essential because it helps the health professionals and nurses to develop effective and appropriate interventions.
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