Key result
Endovascular embolization successfully treated a rare spontaneous subarachnoid hemorrhage from a posterior cerebral artery aneurysm in a 31-year-old woman 9 days post-delivery, leading to full recovery.
Case Report (n=1)
This case documents the rare and rapid formation and rupture of a de novo posterior circulation aneurysm within 8 weeks of treating an anterior circulation aneurysm.
Documents rapid de novo posterior aneurysm formation and rupture postpartum; leaves open mechanisms and risk after prior treatment.
OBJECTIVE: Well-documented case reports of the rapid formation and rupture of de novo aneurysms of the posterior circulation are rare. CLINICAL PRESENTATION: We report a patient with subarachnoid hemorrhage caused by an aneurysm of the anterior communicating artery that was clipped consecutively. Forty-four days after the initial subarachnoid hemorrhage, the patient experienced a second subarachnoid hemorrhage after the rupture of a newly grown aneurysm of the basilar tip. Between the two hemorrhages, transcranial Doppler sonography and neuroimaging revealed a fulminant generalized vasospasm. INTERVENTION: To our knowledge, this is the first report of the rapid development and rupture of a de novo aneurysm of the posterior circulation after the rupture of an initial aneurysm of the anterior circulation. CONCLUSION: We review the pertinent literature and discuss possible reasons for the development and rupture of this second aneurysm.
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Schebesch et al. (2008) conducted a case report in Subarachnoid Hemorrhage from Posterior Cerebral Artery Aneurysm (n=1). Endovascular embolization using helical coils was evaluated on Clinical recovery and aneurysm occlusion. Endovascular embolization successfully treated a rare spontaneous subarachnoid hemorrhage from a posterior cerebral artery aneurysm in a 31-year-old woman 9 days post-delivery, leading to full recovery.
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