Abstract
BACKGROUND: Uterine fibroids are a benign tumor found in two out of three women of reproductive age. The most modern methods of organ preserving treatment of uterine fibroids are uterine artery embolization, which is a minimally invasive procedure, and high intensity focused ultrasound (HIFU) ablation, which is a non-invasive procedure. According to the literature and our own experience, uterine artery embolization is ineffective in 17.1% of cases and HIFU ablation in 16% of cases, mainly due to the peculiarities of blood supply to myomatous nodes.
 AIM: The aim of this study was to compare the effectiveness of the treatment of uterine fibroids using an isolated HIFU ablation technique and combined sequential application of selective embolization of uterine artery supplying the myomatous node and HIFU ablation.
 MATERIALS AND METHODS: This study included two groups of patients with symptomatic uterine fibroids. Group 1 consisted of 133 patients treated using the isolated HIFU ablation, and group 2 comprised 90 patients treated sequentially using supplying the myomatous node and HIFU ablation. Age and clinical manifestations of the disease (menometrorrhagia, pain syndrome, impaired function of adjacent organs, anemia) did not differ in the both groups.
 RESULTS: The following parameters were different in the study groups: the duration of ultrasound ablation (p 0.005) and the decrease in the volume of myomatous nodes in one, six and 12 months after surgery (p 0.001). The duration of ultrasound ablation was 610.84 (56.26) minutes in group 1 and 215.28 (70.57) minutes in group 2. In group 1, the decrease in the volume of myomatous nodes was 12.2% in one month and 58.97% in 12 months after surgery, compared to the initial value. In group 2, the decrease was 42.9% and 67.5%, respectively.
 CONCLUSIONS: The combined treatment of uterine fibroids using supplying the myomatous node and FUVI ablation techniques allowed for reducing the duration of the FUVI ablation operation three times and the volume of the node by 67.5% within one year compared to group 1 (58.97%).
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