The interactive effect of preoperative consultation and operating room admission by a counselor on anxiety level and vital signs in patients undergoing Coronary Artery Bypass Grafting surgery. A clinical trial study


  • Zandi Shirdel M.Sc. Student, Department of Operating Room, Student Research Committee, Hamadan University of Medical Sciences, Hamadan, Iran. Email:
  • Imani Behzad Assistant professor, Department of Operating Room, School of Paramedicine, Hamadan University of Medical Sciences, Hamadan, Iran
  • Babak Manaf Assistant professor, Department of heart surgery, School of medicine, Hamadan University of Medical Sciences, Hamadan, Iran. Email:
  • Mehdi Saheb BSc. Operating Room. Farshchian Hospital, Hamadan University of Medical Sciences, Hamadan, Iran. Email:



coronary artery bypass, respiratory rate, blood pressure, temperature, heart rate, operating rooms, counselors, anxiety, control groups


Objective. The purpose of this study was to provide appropriate preoperative supportive conditions to improve anxiety and vital signs for patients undergoing Coronary Artery Bypass Grafting -CABG- surgery.

Methods. This clinical trial study was performed on 90 patients undergoing CABG surgery in Farshchian Hospital of Hamadan, Iran in 2019. Sample was selected by convenience and were randomly divided into three groups: control (n=30), intervention1 (n=30), and intervention2 (n=30). The control group received only the routine preoperative counseling of ward and admitted to the operating room as usual; the intervention1 and intervention2 groups in addition received another two counseling sessions, then the intervention1 group was admitted in the operating room as usual, but the intervention2 group was admitted by the counselor in the operating room. Data were collected using a three-part questionnaire including demographic characteristics, vital signs chart, and the Spielberger's State-Trait Anxiety Inventory.

Results. The results showed that there was a significant difference in the mean anxiety of the three groups after admission in the operating room (intervention2 was lower than intervention1 and control groups, p<0.001; and intervention 1 group was lower than control group, p<0.001) and also there was a significant difference between the mean systolic blood pressure, heart rate and respiratory rate of the three groups (p<0.001) but the mean of the variables of temperature and diastolic blood pressure in the three groups were not significantly different (p=0.59 and p=0.225, respectively).

Conclusion. Our results revealed preoperative consultation and admission in the operating room by the consultant can reduce the level of anxiety and stability of vital signs of patients undergoing CABG.

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How to Cite

Shirdel, Z. ., Behzad, I. ., Manaf, B. ., & Saheb, M. . (2020). The interactive effect of preoperative consultation and operating room admission by a counselor on anxiety level and vital signs in patients undergoing Coronary Artery Bypass Grafting surgery. A clinical trial study. Investigación Y Educación En Enfermería, 38(2).




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