Aneurysmal subarachnoid hemorrhage in the first year of life: case report and review of the literature.

INTRODUCTION: Primary subarachnoid hemorrhage is rare in infancy. A bleeding arterial aneurysm as its cause is even less frequent. A review of the literature turned up 85 cases of cerebral aneurysm that occurred in the 1st year of life, 63 of them presenting with subarachnoid hemorrhage (SAH). CASE REPORT: The authors report a case of an 8-month-old boy who presented with seizures due to ruptured anterior communicating (ACom) artery aneurysm with subsequent subarachnoid and intraventricular hemorrhage. The infant was operated successfully, without complications. DISCUSSION: In this report the authors highlight certain clinical and diagnostic features, surgical considerations, and outcomes of aneurysmal subarachnoid hemorrhage in the 1st year of life.