Intra-arterial lidocaine administration during uterine fibroid embolization to reduce the immediate postoperative pain: a prospective randomized study

Stevo Duvnjak, Poul Erik Andersen

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BACKGROUND: To investigate if intra-arterial lidocaine administrated immediately after the embolisation endpoint reduces the pain.

METHODS: Forty patients were randomised and 36 completed the study for purposes of analysis. In one group, the patients got 1% 10 ml lidocaine (100 mg) administered into each uterine artery immediately after embolisation with microspheres. The other group was embolised without supplementary lidocaine. The patients scored their pain on a visual analogue scale (VAS) 2 h, 4 h, 7 h, 10 h and 24 h after embolisation, and the total amount of used morphine was noted. Three-month follow-up MRI control was scheduled for all the patients to investigate the infarction rate.

RESULTS: Embolisation was performed without any complications and with embolisation of both uterine arteries in all cases. Intra-arterial lidocaine was administered in all 20 patients without complications, and 20 patients in a control group did not receive lidocaine intra-arterial. VAS schemes showed a significant reduction in pain experience 2 h after UFE where mean pain score in the lidocaine group was 42.7 ± 21.4 compared with the control group in which the mean pain score was 61.1 ± 20.4 (p < 0.02). There was no significant difference in pain score 4 h, 7 h, 10 h and 24 h after UFE. In the lidocaine group, the mean amount of used morphine was significantly less with 11.2 mg compared with 20.2 mg in the control group (p < 0.03). Three months of MR follow-up control showed no significant difference in the grade of fibroid infarction.

CONCLUSION: Intra-arterial Lidocaine administration after embolisation is safe and effective in reducing post-procedural pain in the early hours and opioid usage in the first 24 h following UAE.

OriginalsprogEngelsk
Artikelnummer10
TidsskriftCVIR Endovascular
Vol/bind3
Antal sider5
ISSN2520-8934
DOI
StatusUdgivet - 10. feb. 2020

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