Anesthetic Efficacy of Intrauterine Lidocaine for Removal of a "Lost" Intrauterine Device

Objective: To evaluate the efficacy of intrauterine lidocaine instillation in reducing patient discomfort during the removal of a "lost" intrauterine device (IUD). Methods: This double-blinded, randomized, placebo-controlled trial included 68 women who underwent removal procedure for a "lost" IUD. Thirty-four women were allocated to the lidocaine group and 34 to the saline group. The main outcome measure was the intensity of pain during, immediately after, and 20 minutes after the procedure, assessed by a visual analog scale. Statistical analysis was performed using Friedman's test with Bonferroni correction, Student's t test, and 2.