Purpose: To evaluate whether administration of lidocaine into the uterine artery for anesthesia immediately after uterine artery embolization (UAE) with trisacryl gelatin microspheres (TAGM) for leiomyoma is safe and effective.
Materials And Methods: In a single-institution retrospective study, 100 patients underwent UAE using TAGM with a pruned tree endpoint between June 2014 and April 2019. The first 50 patients (control group) underwent UAE without lidocaine; in the second 50 patients (study group), lidocaine was administered into the uterine artery immediately after UAE. Baseline characteristics and technical and periprocedural outcomes were compared. Visual analog scale (VAS) scores 0, 3, 6, 9, 12, and 18 hours after UAE were compared between the groups with repeated measures analysis of variance. Each multivariate-adjusted VAS score < 24 hours was compared with analysis of covariance.
Results: No significant differences were observed in baseline characteristics or technical and periprocedural outcomes, including the volume of morphine used (P = .415), between the groups. No significant differences were found in crude or multivariate-adjusted VAS scores at each time point < 24 hours. Only the multivariate-adjusted VAS score 3 hours after UAE was 0.7 lower in the study group (mean ± SE, 2.2 ± 0.3 vs 2.9 ± 0.3); however, no significant difference was noted (P = .070). No adverse events associated with lidocaine were detected.
Conclusions: Intra-arterial lidocaine administration immediately after UAE with TAGM for leiomyoma was safe, but did not contribute to significant reductions in pain or volume of narcotic agent administered.
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