Neuroradiology · 2025
Woven Endobridge as a first-line strategy for posterior communicating artery aneurysms: enhanced applicability in fetal-type variants.
СтатьяНазвание и аннотация: Перевод в очереди
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Tanabe Jun, Nakahara Ichiro, Haraguchi Kenichi, Hasebe Akiko, Suyama Kenichiro, Komatsu Fuminari, Yamada Yasuhiro, Tanaka Riki, Sasaki Kento, Kihara Kotaro, Kato Yoko
Аннотация
BACKGROUND: This study evaluated the safety and efficacy of a treatment strategy for Posterior communicating artery (PCOM) aneurysms using first-line Woven EndoBridge (WEB), supplemented by Flow diverter (FD) in selected cases.
METHODS: This retrospective study included patients who underwent endovascular treatment for PCOM aneurysms between January 2021 and March 2025. Aneurysms were categorized as fetal or non-fetal. A first-line WEB strategy was adopted when morphology was suitable. Radiological and clinical outcomes were assessed.
RESULTS: Forty-six PCOM aneurysms met the criteria: 14 fetal-type and 32 non-fetal-type. All previously untreated fetal-type aneurysms were treated with WEB (n = 9). In the non-fetal group, the initial treatments included WEB (n = 14), FD (n = 10), and coiling (n = 4). All recurrent fetal-type aneurysms were retreated with FD (n = 5), whereas non-fetal recurrences were managed with FD (n = 3) or coiling (n = 1), depending on prior treatment. At a median follow-up of 21 months, complete occlusion was achieved in 66.7% of fetal-type and 59.4% of non-fetal-type aneurysms (P = 0.739), and adequate occlusion was achieved in 75.0% and 90.6%, respectively (P = 0.321). Retreatment was required in two cases (4.3%): one in the fetal group (7.1%) and one in the non-fetal group (3.1%) (p = 0.512). No modified Rankin Scale worsening or major complications occurred. No significant differences in treatment efficacy were observed among modalities selected under the WEB first-line strategy.
CONCLUSION: A first-line WEB strategy is safe and effective for PCOM aneurysms, including fetal-type variants, with outcomes for fetal-type aneurysms comparable to non-fetal-type aneurysms.
METHODS: This retrospective study included patients who underwent endovascular treatment for PCOM aneurysms between January 2021 and March 2025. Aneurysms were categorized as fetal or non-fetal. A first-line WEB strategy was adopted when morphology was suitable. Radiological and clinical outcomes were assessed.
RESULTS: Forty-six PCOM aneurysms met the criteria: 14 fetal-type and 32 non-fetal-type. All previously untreated fetal-type aneurysms were treated with WEB (n = 9). In the non-fetal group, the initial treatments included WEB (n = 14), FD (n = 10), and coiling (n = 4). All recurrent fetal-type aneurysms were retreated with FD (n = 5), whereas non-fetal recurrences were managed with FD (n = 3) or coiling (n = 1), depending on prior treatment. At a median follow-up of 21 months, complete occlusion was achieved in 66.7% of fetal-type and 59.4% of non-fetal-type aneurysms (P = 0.739), and adequate occlusion was achieved in 75.0% and 90.6%, respectively (P = 0.321). Retreatment was required in two cases (4.3%): one in the fetal group (7.1%) and one in the non-fetal group (3.1%) (p = 0.512). No modified Rankin Scale worsening or major complications occurred. No significant differences in treatment efficacy were observed among modalities selected under the WEB first-line strategy.
CONCLUSION: A first-line WEB strategy is safe and effective for PCOM aneurysms, including fetal-type variants, with outcomes for fetal-type aneurysms comparable to non-fetal-type aneurysms.