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  • Title: Long-term results of symptomatic fibroids treated with uterine artery embolization: in conjunction with MR evaluation.
    Author: Kim MD, Lee HS, Lee MH, Kim HJ, Cho JH, Cha SH.
    Journal: Eur J Radiol; 2010 Feb; 73(2):339-44. PubMed ID: 19084365.
    Abstract:
    OBJECTIVE: The aim of the present study is to determine long-term clinical efficacy of uterine fibroid embolization (UFE) for symptomatic fibroids in conjunction with MR evaluation. MATERIALS AND METHODS: Sixteen patients with a follow-up period of 4 years or longer were analyzed retrospectively. Ages ranged from 27 to 45 (mean 39.5) years. Mean follow-up periods were 5.8 years (range: 4.1-6.9 years). The symptom changes, in terms of menorrhagia and dysmenorrhea and bulk-related symptoms, were assessed. The primary embolic agent was polyvinyl alcohol particle (250-710microm). All patients underwent preprocedural and long-term follow up MR imaging. Uterine volumes were calculated using MRI. RESULTS: Symptom improvements were reported for menorrhagia (8/9, 88.9%), dysmenorrhea (5/5, 100%), and bulk-related symptoms (7/9, 77.8%) at long-term follow up. Two patients (12.5%) had symptom recurrences at long-term follow-up. Tumor regrowth from incomplete infarction was a cause of recurrence in one patient and newly developed leiomyomas in the other one. One patient underwent hysterectomy because endometriosis developed 4 years after UFE. Of the 14 necrotic myomas on short-term follow up MR after UFE, eight (57.1%) demonstrated maintaining necrosis with further shrinkage and six (42.9%) were no longer visualized on long-term follow up MR images. Overall, the mean volume reduction rates of the predominant fibroid and uterus were 80.5%, 36.7% at long-term follow up, respectively. CONCLUSION: UFE is an effective treatment for symptomatic fibroids with an acceptable long-term success rate. Long-term MR imaging after UFE revealed persistent necrotic fibroid, non-visualization of fibroids and tumor regrowth when incompletely infarcted.
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