Dissecting aneurysm of the posterior cerebral artery: Defining the role of deliberate surgical proximal artery occlusion

Krishnan, Prasad; Kartikueyan, Rajaraman; Thamatapu, Eswararao; Chowdhury, Siddhartha Roy

doi:10.4103/0976-3147.140023

Cited by 1 publication

(2 citation statements)

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“…The most common presentation is subarachnoid hemorrhage with headache and neurological deficits that defer depending on the involved segments of the PCA 2,10,16) . In general, PCA aneurysms arise mostly on P1 or at the P1-2 junction 8,9) , but dissecting aneurysms usually involve P2 or P2-3 segments 10,16) ; therefore, associated neurologic deficits include memory impairment, oculomotor palsy, visual disturbance (homonymous hemianopsia) and sometimes hemiparesis due to mass effect 2) . Acute hydrocephalus should be a concern when presented because it aggravates mental deterioration.…”

Section: Discussionmentioning

confidence: 99%

“…Previous articles have shown that, with proper management, almost all P2-3 segment dissecting aneurysm cases had favorable clinical outcomes (Table 1) 1,3,[5][6][7][8][9]12,14,16) . The difference of the present cases from those previously published is clinical outcome (mRS 5 and 6) despite complete occlusion of the aneurysm during the acute period.…”

Section: Discussionmentioning

confidence: 99%

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Endovascular Treatment of Ruptured Dissecting Aneurysms on the P2-3 Segment of the Posterior Cerebral Artery: A Report of Two Cases

Choi

Chung

2019

J Neurointensive Care

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Intracranial ruptured dissecting aneurysms can have fatal outcomes. Among them, posterior cerebral artery dissecting aneurysm with hemorrhage is uncommon but usually fatal due to its deep location and proximity to surrounding critical structures. Most previously published reports on this type of aneurysm have concluded that the neurologic outcome can be improved with the use of certain surgical or endovascular approaches. However, in severe cases with a poor initial clinical status, patient improvement should not be expected. We report two cases of P2-3 segment ruptured dissecting aneurysms that were treated by external ventricular drainage for control of increased intracranial pressure followed by one-stage endovascular treatment for the aneurysm.

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