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Pain on injection of propofol: the effect of granisetron pretreatment.

Author(s): Dubey PK, Prasad SS

Affiliation(s): Department of Anesthesiology, Indira Gandhi Institute of Medical Sciences, Patna 800 013, India.

Publication date & source: 2003-03, Clin J Pain., 19(2):121-4.

Publication type: Clinical Trial; Randomized Controlled Trial

OBJECTIVE: To assess the effect of granisetron pretreatment in alleviating propofol injection pain. STUDY DESIGN: A randomized, controlled, double-blind study, using venous retention with a tourniquet. MATERIALS AND METHODS: One hundred fifty adult patients were randomly assigned to one of three groups: group 1 (who received 5 mL of 0.9% saline pretreatment), group 2 (who received 5 mL lidocaine [40 mg in 0.9% saline] pretreatment), and group 3 (who received 5 mL granisetron [2 mg in 0.9% saline] pretreatment). Injections were given in the largest vein on the dorsum of the hand. After 2 minutes, the tourniquet was released and one fourth of the total calculated dose of propofol (2.5 mg/kg body weight) was administered and pain assessment was made. RESULTS: Lidocaine and granisetron significantly reduced the incidence and severity of propofol injection pain more than placebo (P < 0.001). The efficacy of granisetron in alleviating the pain on injection of propofol was no different from lidocaine. CONCLUSIONS: Granisetron pretreatment may be used to reduce the incidence of pain on injection of propofol, an advantage added to the useful prevention of postoperative nausea and vomiting.

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