[The use of the contralateral pterional approach in the surgery of cerebral aneurysms].

The contralateral pterional approach was used in the surgical treatment of 17 patients with cerebral aneurysms. Six of them had solitary aneurysms in the ophthalmological segment and fork of the carotid artery, the aneurysms were clipped by the contralateral approach. Eleven patients were found to have multiple aneurysms in different carotid beds and the main artery, the aneurysms were clipped from blood flow by applying the pterional approach, including the contralateral one.

[Temporary preventive clipping of the major brain arteries in the surgical treatment of arterial aneurysms].

Preventive temporary clipping of the carrying arteries reduces the incidence of intraoperative hemorrhage in anterior connecting arterial aneurysms from 26 to 13%, in middle cerebral arterial arterial aneurysms from 29 to 4%. In anterior connecting arterial aneurysms, the use of preventive temporary clipping of the carrying arteries fails to affect surgical outcomes. In middle cerebral arterial arterial aneurysms, this procedure decreases postoperative mortality from 17 to 12% by reducing the incidence of intraoperative hemorrhage; however, the rates of disability due to possible brain ischemia in the middle cerebral arterial bed rates increases from 32 to 40%.

[Intraoperative hemorrhages during the surgical treatment of aneurysms of the cerebral vessels].

The study indicated that intraoperative hemorrhages more frequently occurred at early surgery. During operations made in the first 7, 8-14 days of and after a fortnight of aneurysmal rupture, the incidence of hemorrhage was 27.5, 23, and 22%, respectively.