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- Title
Combination of HIFU with sulfur hexafluoride microbubbles in the treatment of solitary uterine fibroids: a systematic review and meta-analysis.
- Authors
Jin, Jin; Zhao, Yulan; Huang, Pintong
- Abstract
Objectives: To assess the efficacy and safety of sulfur hexafluoride microbubbles on ultrasound-guided high-intensity focused ultrasound (HIFU) ablation of uterine fibroids. Methods: Studies that compared HIFU-microbubble combination with HIFU-only in patients with uterine fibroids were searched from inception to April 2022. The standardized mean difference (SMD) or relative risk (RR) with 95% confidence interval (CI) for different outcome parameters was calculated. Results: Seven studies were included, with a total of 901 patients (519 in the combination group and 382 in the HIFU-only group). The energy consumption for treating 1 cm3 of the lesion in the combination group was less than that in the HIFU-only group [SMD = − 2.19, 95%CI (− 3.81, − 0.57), p = 0.008]. The use of microbubbles was associated with shortening the duration of the treatment and sonication [SMD = − 2.60, 95%CI (− 4.09, − 1.10), p = 0.0007; SMD = − 2.11, 95%CI (− 3.30, − 0.92), p = 0.0005]. The rates of significant greyscale changes during HIFU were greater in the combination group, as well as the increase of non-perfused volume ratio [RR = 1.26, 95%CI (1.04, 1.54), p = 0.02; SMD = 0.32, 95%CI (0.03, 0.61), p = 0.03]. The average sonication durations to reach significant greyscale changes and for ablating 1 cm3 of the fibroid lesion were shorter in the combination group [SMD = − 1.24, 95%CI (− 2.02, − 0.45), p = 0.002; SMD = − 0.22, 95%CI (− 0.42, − 0.02), p = 0.03]. The two groups had similar post-HIFU adverse effects, while the combination group had fewer intraprocedural adverse events like abdominal pain, sacrum pain, and leg pain. Conclusions: Sulfur hexafluoride microbubbles can be safely used to enhance and accelerate the ablation effects of HIFU in the treatment of uterine fibroids. Clinical relevance statement: The combination of HIFU with sulfur hexafluoride microbubbles offers a promising non-invasive treatment option for patients with uterine fibroids. Key Points: • Sulfur hexafluoride microbubbles combined with ultrasound-guided high-intensity focused ultrasound (USgHIFU) has potential advantages in the treatment of uterine fibroids. • Sulfur hexafluoride microbubbles not only enhance the effects of USgHIFU treatment for uterine fibroids but also shorten its duration. • Sulfur hexafluoride microbubbles do not increase the incidence of USgHIFU-related adverse events in the treatment of uterine fibroids.
- Subjects
UTERINE fibroids; SULFUR hexafluoride; LEG pain; MICROBUBBLES; HIGH-intensity focused ultrasound
- Publication
European Radiology, 2024, Vol 34, Issue 6, p3786
- ISSN
0938-7994
- Publication type
Article
- DOI
10.1007/s00330-023-10407-7