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  • Title: Infarction of uterine fibroids after embolization: relationship between postprocedural enhanced MRI findings and long-term clinical outcomes.
    Author: Katsumori T, Kasahara T, Kin Y, Nozaki T.
    Journal: Cardiovasc Intervent Radiol; 2008; 31(1):66-72. PubMed ID: 17943351.
    Abstract:
    PURPOSE: To retrospectively evaluate the relationship between the degree of infarction of uterine fibroids on enhanced MRI after embolization and long-term clinical outcomes. METHODS: During 92 months, 290 consecutive patients with symptomatic uterine fibroids were treated with embolization; 221 who underwent enhanced MRI before embolization and 1 week after embolization were included in this study. The infarction rates of all fibroid tissue were assessed using enhanced MRI after embolization. Patients were divided into three groups according to the infarction rates: group A (100% infarction, n = 142), group B (90-99% infarction, n = 74), group C (<90% infarction, n = 5). The cumulative rates of clinical outcomes were compared among groups using the Kaplan-Meier limited method. RESULTS: Group A had a significantly higher rate of symptom control than groups B and C. The cumulative rates of symptom control at 5 years were 93%, 71%, and 60% in groups A, B, and C, respectively. Group A had a significantly lower rate of gynecologic intervention after embolization than groups B and C. The cumulative rates of additional gynecologic intervention at 5 years were 3%, 15%, and 20% in groups A, B, and C, respectively. CONCLUSIONS: The degree of infarction of uterine fibroids after embolization on enhanced MRI was related to long-term clinical outcomes. Complete infarction of all fibroid tissue can induce a higher rate of symptom control, with a lower rate of additional gynecologic intervention in the long term compared with incomplete infarction of fibroid tissue.
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