ArticleObstetrics & gynecology science2025
Safety and efficacy of intrauterine lidocaine compared to warm isotonic sodium chloride solution for the control of pain during office hysteroscopy: a randomized controlled trial.
Article in Obstetrics & gynecology science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo compare the effectiveness of intrauterine lidocaine and warm isotonic sodium chloride solution as distension media for pain reduction during office hysteroscopy.
methodsThis triple-blind randomized controlled trial included 100 patients undergoing diagnostic office hysteroscopy. They were randomized into either the isotonic sodium chloride solution group, which underwent hysteroscopy using warmed isotonic sodium chloride solution as the distension medium, or the lidocaine group, which underwent hysteroscopy using 5 mL of 2% lidocaine diluted in warmed isotonic sodium chloride solution as the distension medium. The primary outcome was the pain visual analog scale score during and after the procedure.
resultsThe pain score reported throughout the procedure (during insertion, visualization and withdrawal) and 15 minutes after the procedure was significantly lower in women in the lignocaine group compared to the other group (1.9±1.0 vs. 3.1±0.8, 1.5±0.8 vs. 2.5±0.8, 1.7±0.8 vs. 2.8±0.7, and 1.1±0.2 vs. 1.7±0.8, respectively). Regarding complications, there were no differences between the two study groups in reported vaginal bleeding (1 vs. 2) or vasovagal reaction (0 vs. 1) with no reported cases of uterine perforation or creation of false tract. Regarding side effects, there were a significantly lower number of women who experienced lower abdominal pain, nausea and headache in the lignocaine group compared to others.
conclusionThe addition of lidocaine to isotonic sodium chloride solution as the distension medium during office hysteroscopy was associated with low pain scores during and after the procedure, short procedure time, reduced need for additional analgesia, high patient satisfaction, and low procedural difficulty scores.
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