Hydrocephalus secondary to subarachnoid haemorrhage was recently studied by Texan authors Dorai et al. ([i])
They looked at 718 patients with aneurysmal subarachnoid haemorrhage, of which 152 required shunting for hydrocephalus.
They found the following associated factors:
(i) increasing age,
(ii) female gender,
(iii) poor admission Hunt and Hess grade (used in assessment during the acute presentation of the haemorrhage)
(iv) thick subarachnoid haemorrhage;
(v) ruptured aneurysm in distal posterior circulation
(vi) clinical vasospasm,
(vii) radiological hydrocephalus at time of admission,
(viii) intraventricular haemorrhage,
(ix) endovascular treatment.
[i] Dorai Z, Hynan LS, Kopitnik TA, Samson D. Neurosurgery 2003 Apr; 52(4):763-71 Factors related to hydrocephalus after aneurysmal subarachnoid hemorrhage.
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