No abstract available.
Intracranial Aneurysm*

Recently the cause of hemifacial spasm and trigeminel neuralgia is known to be vascular compression-distortion in the root exit and entry zone of each nerve. The microvascular decompression of the 5th and 7th cranial nerves is a method of refined and non-traumatic surgical treatment of these disabling diseases. 33 patients with intractable hemifacial spasm and 7 patients with trigeminal neuralgia were treated by microvascular decompression and the follow-up results were evaluated. The surgical results in 33 cases of hemifacial spasm were as follow: Excellent-18, Good-7, Fair-6, Poor-2. Disturbance of hearing as a complication appeared in 6 cases, but improved gradually except one case. The surgical finding and results in 7 cases of trigeminal neuralgia were as follow: In 6 cases the causative vessel was SCA and in one case SCV indented the nerve root. All 7 patients with trigeminal neuralgia were relieved from facial pain after surgery.
Cranial Nerves ; Facial Nerve* ; Facial Pain ; Follow-Up Studies ; Hearing ; Hemifacial Spasm ; Humans ; Microvascular Decompression Surgery* ; Neuralgia ; Trigeminal Neuralgia

No abstract available.

No abstract available.
Aneurysm*

No abstract available.
Radiosurgery* ; Trigeminal Neuralgia*

OBJECTIVES: The best results of treating intracranial aneurysms can be achieved with treating aneurysm before they rupture. Some recent reports about the risk of the bleeding of the unruptured intracranial aneurysm(UIA) being too low(0.05% per year) compared with 1~2% of the previously reported bleeding probability, casts the question about the need for treatment of the UIAs. The purpose of this report is to review the recent reports about the risk of rupture of the UIAs and to assess the morbidity and mortality associated with surgical treatment for UIAs.
Aneurysm ; Hemorrhage ; Intracranial Aneurysm ; Mortality ; Rupture

The morbidity and mortality rates of the patients who survive initial aneurysm rupture were disconcertingly high. So the best results of treating intracranial aneurysms can be achieved with treating aneurysm before they rupture. But, the natural history, especially risk of bleeding, of the unruptured intracranial aneurysms is still arguable. This review article included risks of bleeding of the unruptured aneurysm and risk of the surgery.
Aneurysm ; Hemorrhage ; Humans ; Intracranial Aneurysm* ; Mortality ; Natural History ; Rupture

Pterional, trans-sylvian approach is a basic and most popular neurosurgical procedure used in surgical treatment of various vascular, tumor and other lesions located in and around the sellar and parasellar region. It has several benefits such as a shorter working distance, anatomical familiarity, lesser need for brain retraction with wide sylvian dissection, ability of extension with some modification. All anterior circulation aneurysm except pericallosal origin aneurysm and some aneurysm of posterior circulation can be approached with pterional, trans-sylvian method. The authors discribe the procedure of pterional trans-sylvian approach.
Aneurysm* ; Brain ; Neurosurgical Procedures ; Recognition (Psychology)

Middle cerebral artery aneuryms account for aporoximately 20 percent of all intracranial aneurysms. The majority are located at the bbifurcation of M1 segment insylvian fissure. Incidence of formation of intracerebral hematoma with ruptured aneurysm and giant and infectious aneurysms are more common than with aneurysm in other locations. Clinical presentation of the MCA aneurysms are associated with symptoms of subarachnoid hemorrhage and mass effect. Symptoms of subarachnoid hemorrhage such as headache are indistinguishable from that associated with SAH from rupture of an aneurysm in any other location. But mass effect of large aneurysm, temporal lobe epilepsy and transient ischemic attack occur more frequently with aneurysms of the MCA. Complications of MCA aneurysm surgery can be divided into two group, one related to subarachnoid hemorrhage with aneurysmal rupture and the other to surgical procedure. Vasospasm is major cause of morbiduty and medical complications such as hypertension, cardiac arrhythmia, pneumonia and GI bleeding are frequently encountered. Operative complications include occlusion of MCA branch by improperly placed clip, retraction injury, intraoperative rupture.
Aneurysm ; Aneurysm, Ruptured ; Arrhythmias, Cardiac ; Epilepsy, Temporal Lobe ; Headache ; Hematoma ; Hemorrhage ; Hypertension ; Incidence ; Intracranial Aneurysm* ; Ischemic Attack, Transient ; Middle Cerebral Artery* ; Pneumonia ; Rupture ; Subarachnoid Hemorrhage

No abstract available.
Vasospasm, Intracranial*