Comparison of Uterine Necrosis After Uterine Artery Embolization with Soluble Gelatin Sponge Particles or Tris-acryl Gelatin Microspheres in Swine
Purpose To compare the recanalization of the uterine arteries and uterine necrosis after uterine artery embolization (UAE) using either soluble gelatin sponge particles (SGS), which dissolve in saline, or tris-acryl gelatin microspheres (MS), which are permanent embolic materials, in swine. Methods Fourteen uteri in seven swine were divided into two groups for embolization with either 500–1000 µm SGS (SGS group) or 500–700 µm MS (MS group) (seven uteri per group). The uterine arteries were embolized using SGS or MS, and angiography was performed to evaluate recanalization of the uterine arteries immediately, 1, 2, 3, 4, 5, and 6 h, and 3 days after embolization. On day 3, the uteri were removed to determine the macroscopic necrosis rate and for histopathologic examination. Results In the SGS group, four uterine arteries were completely recanalized, two were partially recanalized, and one was still occluded 5 h after embolization. In contrast, all seven uterine arteries in the MS group were still occluded 6 h after embolization. The complete recanalization rate at 3 days was significantly greater in the SGS group than in the MS group (100.0% vs. 14.3%, respectively; P = .0047). The mean uterine necrosis rate was not significantly different between the SGS and MS groups (15.0 ± 15.7% vs. 26.8 ± 13.3%, respectively; P = .096). The mean smallest arterial diameter containing embolic materials was 48.2 ± 22.0 μm (range 21–109 μm) for SGS and 446.7 ± 107.0 μm (range 352–742 μm) for MS (P < .0001). Conclusion The uterine arteries recanalized earlier in the SGS group than in the MS group and the uterine necrosis rates were similar in both groups. SGS have the potential for a more distal penetration in comparison with MS..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:44 |
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| Enthalten in: |
CardioVascular and interventional radiology - 44(2021), 11 vom: 06. Juli, Seite 1780-1789 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Sato, Hirotatsu [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
Gelatin sponge |
| Anmerkungen: |
© Springer Science+Business Media, LLC, part of Springer Nature and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) 2021 |
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| doi: |
10.1007/s00270-021-02905-2 |
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SPR045397384 |
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| 520 | |a Purpose To compare the recanalization of the uterine arteries and uterine necrosis after uterine artery embolization (UAE) using either soluble gelatin sponge particles (SGS), which dissolve in saline, or tris-acryl gelatin microspheres (MS), which are permanent embolic materials, in swine. Methods Fourteen uteri in seven swine were divided into two groups for embolization with either 500–1000 µm SGS (SGS group) or 500–700 µm MS (MS group) (seven uteri per group). The uterine arteries were embolized using SGS or MS, and angiography was performed to evaluate recanalization of the uterine arteries immediately, 1, 2, 3, 4, 5, and 6 h, and 3 days after embolization. On day 3, the uteri were removed to determine the macroscopic necrosis rate and for histopathologic examination. Results In the SGS group, four uterine arteries were completely recanalized, two were partially recanalized, and one was still occluded 5 h after embolization. In contrast, all seven uterine arteries in the MS group were still occluded 6 h after embolization. The complete recanalization rate at 3 days was significantly greater in the SGS group than in the MS group (100.0% vs. 14.3%, respectively; P = .0047). The mean uterine necrosis rate was not significantly different between the SGS and MS groups (15.0 ± 15.7% vs. 26.8 ± 13.3%, respectively; P = .096). The mean smallest arterial diameter containing embolic materials was 48.2 ± 22.0 μm (range 21–109 μm) for SGS and 446.7 ± 107.0 μm (range 352–742 μm) for MS (P < .0001). Conclusion The uterine arteries recanalized earlier in the SGS group than in the MS group and the uterine necrosis rates were similar in both groups. SGS have the potential for a more distal penetration in comparison with MS. | ||
| 650 | 4 | |a Uterine fibroid |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Uterine artery embolization |7 (dpeaa)DE-He213 | |
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| 700 | 1 | |a Tanaka, Ryota |e verfasserin |4 aut | |
| 700 | 1 | |a Ueda, Shota |e verfasserin |4 aut | |
| 700 | 1 | |a Okuhira, Ryuta |e verfasserin |4 aut | |
| 700 | 1 | |a Kamisako, Atsufumi |e verfasserin |4 aut | |
| 700 | 1 | |a Koyama, Takao |e verfasserin |4 aut | |
| 700 | 1 | |a Shima, Nozomu |e verfasserin |4 aut | |
| 700 | 1 | |a Yamamoto, Shoko |e verfasserin |4 aut | |
| 700 | 1 | |a Sakai, Yasuo |e verfasserin |4 aut | |
| 700 | 1 | |a Murata, Shin-ichi |e verfasserin |4 aut | |
| 700 | 1 | |a Ikoma, Akira |e verfasserin |4 aut | |
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