Alot of patients face fear from intervention such as radiofrequency. The group of patients with chronic knee osteoarthritis already and mostly have some sore of psychological upset, radiofrequency itself , even in the presence of good periinterventional local anesthetic infiltration, the patients suffer pain and stress. It is well evidenced that aromatherapy specially with Lavender oil offers some sort of anxiety alleviation, pain alleviation and protection against postoperative nausea and vomiting
Preoperative anxiety is considered a potential and preventable risk factor for postoperative complications.