IRCT201309307565N2 IRCT 2014-01-11 AJA University of Medical Sciences Effect of inhalation aromatherapy on anxiety level of the patients candidate for Coronary Artery Bypass Graft (CABG) The effect of inhalation aromatherapy on anxiety level of patients candidate for Coronary Artery Bypass Graft (CABG) 2013-04-09 anticipated 90 Complete https://irct.ir/trial/8061 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention. N/A Coronary artery bypass graft surgery. Intervention 1: In the experimental group (1): At once, a piece of cotton was placed inside the container of 10 cc and using a dropper, two drops of 100 % Lavender essential oil were poured on the cotton. Then, the container was given to the patient and asked to smell it from a distance of 5 cm of the nose, for 20 min. Intervention 2: In the experimental group (2): At once, a piece of cotton was placed inside the container of 10 cc and using a dropper, two drops of 100 % orange essential oil were poured on the cotton. Then, the container was given to the patient and asked to smell it from a distance of 5 cm of the nose, for 20 min. Intervention 3: In the control group: patients didn’t receive any special intervention and they just smell usual odor of the ward.