Abstract
The authors are reporting on a study drawn from unpublished dissertation done by the corresponding author when he completed his neurosurgical training in Paris, France in 2004, few years before the advent of flow diverters. The study was a retrospective review of giant intracranial aneurysms treated by superficial temporal artery to middle cerebral artery bypass combined with endovascular occlusion of the parent artery. From 1990 to 2003, 29 consecutive cases of giant cerebral aneurysms, not suitable to selective treatment were managed in that way. Twenty-one medical records had enough data to allow objective evaluation. Sixteen female and five male patients bearing 21 giant aneurysms were involved. Their mean age was 46 years. The aneurysm was revealed by mass effect in 13 cases and subarachnoid hemorrhage in one case. On admission 19 patients presented with unruptured aneurysms and two have sustained a subarachnoid hemorrhage. The balloon occlusion test before the bypass operation was not tolerated in 18 patients. The treatment was completed in 19 patients and 17 of them had parent artery occlusion with latex detachable balloons. The only death of the series occurred before the endovascular treatment. The mean follow-up period was 30 months. After completion of the treatment, 16 (84%) patients had no symptom. Aneurysm recanalization or rupture was not observed after the parent artery occlusion. With the combination of superficial temporal artery to middle cerebral artery bypass + endovascular parent artery occlusion, 90% of giant intracranial aneurysms untreatable selectively were permanently excluded with a good outcome in 95%.
Highlights
The study was a retrospective review of giant intracranial aneurysms treated by superficial temporal artery to middle cerebral artery bypass combined with endovascular occlusion of the parent artery
This study was withdrawn from an unpublished dissertation the corresponding author did when he completed his neurosurgical training in Paris in 2004, just before the advent of flow diverters (FD) which have revolutionized the treatment of complex intracranial aneurysms (IAs) [1] [2] [3] [4]
This study reports on a series of 21 cases of giant intracranial aneurysms (GIAs) treated by endovascular parent artery occlusion (PAO) preceded by superficial temporal artery to middle cerebral (STA-MCA) bypass
Summary
This study was withdrawn from an unpublished dissertation the corresponding author did when he completed his neurosurgical training in Paris in 2004, just before the advent of flow diverters (FD) which have revolutionized the treatment of complex intracranial aneurysms (IAs) [1] [2] [3] [4]. The authors believe that even 13 years later, this work is still of scientific interest, because it allows comparison between an old series with the most recent paradigm shift in the management of complex IAs in general and giant intracranial aneurysms (GIAs) in particular. The natural history of GIAs is dismal because the reported mortality can be as high as 100% at 2 years after the diagnosis and because neurological morbidity is high in the survivors [5] [6] [7]. The treatment of these lesions is challenging both for neurosurgeons and interventional neuroradiologists. This study reports on a series of 21 cases of GIAs treated by endovascular PAO preceded by superficial temporal artery to middle cerebral (STA-MCA) bypass
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