作者: Atsushi Ishida , Seigo Matsuo , Keizoh Asakuno , Akio Nemoto , Kaku Niimura
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摘要: BACKGROUND: A successfully applied clip for a ruptured aneurysm keeps the aneurysm's neck closed, preventing rerupture throughout patient's life. Unfortunately, rebleeding from clipped does occur, but likelihood declines with time. Since relatively old people suffer subarachnoid hemorrhage, they die diseases other than rebleeding, such as cancer. Therefore, after two decades is quite rare. CASE DESCRIPTION: Here, we report 2 cases of an extremely long time since initial clipping. In both cases, was removed, and regrown gourd-shaped obliterated. The clips in were submitted to their manufacturers inspected thoroughly. They found be second-generation, stainless steel clips, almost intact, even keeping closing forces. existed on surface newly made dome, previous dome completely disappeared. CONCLUSIONS: We experienced 35 years. one Yasargil second generation that retained its mechanical properties elemental composition vivo These should informative show long-term course aneurysm.