Minimally invasive neurosurgery : MIN · 2002
Surgical clipping of basilar aneurysms: relationship between the different approaches and the surgical corridors.
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Kato Y, Sano H, Behari S, Kumar S, Nagahisa S, Iwata S, Kanno T
Аннотация
BACKGROUND: Surgical clipping for basilar artery aneurysm (BAA) is a technically demanding procedure due to the depth of the surgical field and the presence of vital perforating arteries in the vicinity. The incorporation of various modifications in the conventional approaches has expanded the surgical armamentarium in dealing with these difficult lesions.
METHODS AND FINDINGS: 87 patients of BAA were operated at our center, out of which in 48 patients, a pterional transsylvian approach was used. In 12 patients, this approach had to be extended to incorporate the anterior temporal approach in 6 cases, transzygomatic subtemporal approach in 2 cases and transcavernous approach in 4 cases. The surgical indications for the additional approaches and the relationships between the surgical corridors gained by their inclusion were studied. The use of neuroendoscopy facilitated adequate clipping in one case of high BAA without the incorporation of bone drilling, thus opening new surgical corridors.
INTERPRETATION: The variable situation of the BAA makes it mandatory for the surgeon to be prepared to simultaneously work through multiple surgical corridors. Neuroendoscopic-assisted microneurosurgery occasionally utilizes a narrow surgical corridor to facilitate BAA clipping using the conventional approaches and eliminates the need to gain access using additional surgical corridors.
METHODS AND FINDINGS: 87 patients of BAA were operated at our center, out of which in 48 patients, a pterional transsylvian approach was used. In 12 patients, this approach had to be extended to incorporate the anterior temporal approach in 6 cases, transzygomatic subtemporal approach in 2 cases and transcavernous approach in 4 cases. The surgical indications for the additional approaches and the relationships between the surgical corridors gained by their inclusion were studied. The use of neuroendoscopy facilitated adequate clipping in one case of high BAA without the incorporation of bone drilling, thus opening new surgical corridors.
INTERPRETATION: The variable situation of the BAA makes it mandatory for the surgeon to be prepared to simultaneously work through multiple surgical corridors. Neuroendoscopic-assisted microneurosurgery occasionally utilizes a narrow surgical corridor to facilitate BAA clipping using the conventional approaches and eliminates the need to gain access using additional surgical corridors.