IRCT201403082226N13 IRCT 2014-04-12 Tehran University of Medical Sciences Comparison of effect lidocaine gel and inhalation of lavender aromatherapy on pain of arteriovenous fistula puncture in hemodialysis patients Comparison of effect lidocaine gel and inhalation of lavender aromatherapy on pain score of arteriovenous fistula puncture in hemodialysis patients 2014-05-05 anticipated 40 Complete https://irct.ir/trial/1855 interventional Randomization: N/A, Blinding: Not blinded, Placebo: Not used, Assignment: Single, Purpose: Supportive. N/A Pain. Intervention 1: 2 week later (washout) , same patients receive aromatherapy intervention. three drops of aromatherapy blend containing Lavender essence 10% were poured on cotton in cast containers, and the patient is asking to inhale it for 5 minutes from a distance of 7- 10 cm from the nose; and pain severity of venepuncture measure and record using the VAS . this intervention also conduct in the three consecutive dialysis sessions. Intervention 2: one week later ,all patients receive lidocaine2% gel 15-20min before AVF puncture in area of 5cm2 at the designated site. No cover is placing at the designated site then gel remove and the skin disinfect before venepuncture and pain intensity of needle insertion evaluate and record by patients immediately after cannulation on visual analogue scale . this intervention conduct in the three consecutive dialysis sessions. Intervention 3: First patients complete a demographic questionnaire and pain visual analog scale and based on inclusion criteria entere into the study and pain intensity evaluate and record by patients immediately after cannulation without any intervention on visual analogue scale.