2003
DOI: 10.1002/jcu.10197
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Abstract: After UAE, a thrombosed uterine artery appears on transvaginal sonography as an echogenic tortuous structure in the adnexa. Persistence of this white snake sign at 6 months after UAE may suggest a more favorable symptomatic outcome.

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Cited by 5 publications
(3 citation statements)
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References 13 publications
(7 reference statements)
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“…We hypothesize that this can be a result of the difference of occlusion site of both embolic agents. Polyvinyl alcohol particles aggregate and block more proximally at the level of the uterine artery trunk, and the Ahmad et al study (87) suggests that this functional blockade can persist for several months. By contrast, because of its blockade of more distal vessels (44) and its more homogeneous repartition compared with PVA (88), TGMS may exert a weaker impact on resistance of uterine and/or fetal umbilical arteries.…”
Section: Hypotrophymentioning
confidence: 95%
“…We hypothesize that this can be a result of the difference of occlusion site of both embolic agents. Polyvinyl alcohol particles aggregate and block more proximally at the level of the uterine artery trunk, and the Ahmad et al study (87) suggests that this functional blockade can persist for several months. By contrast, because of its blockade of more distal vessels (44) and its more homogeneous repartition compared with PVA (88), TGMS may exert a weaker impact on resistance of uterine and/or fetal umbilical arteries.…”
Section: Hypotrophymentioning
confidence: 95%
“…The continued persistence of this sign at the end of 6 months correlated with a favorable outcome. 12 …”
Section: Discussionmentioning
confidence: 97%
“…The particles used for embolization are mostly non degradable materials which generate a chronic inflammation and vessel damage. The UA recanalization rate is limited to 50% to 77% 6 months after embolization with poly (vinyl-alcohol) particles [5,6]. These particles act as durable obstacle in the UA, disturbing the physiological variations of their diameter that occur during the hormonal cycle and pregnancy.…”
Section: Textmentioning
confidence: 99%