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1.
Basilar artery thrombosis has a very poor prognosis. A 56-year-old comatose man with acute basilar artery occlusion was successfully treated with local urokinase infusion which reopened the basilar artery and revealed a midbasilar stenotic plaque. This procedure was followed by a superficial temporal artery to superior cerebellar artery anastomosis for protection of the posterior circulation. 相似文献
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The authors describe a series of surgical approaches that they found particularly useful for the exposure and removal of lesions involving the skull base. These are: 1) fronto-naso-orbital approach; 2) frontotemporo-orbito-zygomatic approach; 3) subtemporal transpetrosal approach; 4) temporo-suboccipital transpetrosal approach (retrolabyrinthine presigmoid; transsigmoid; translabyrintine amend transcochlear presigmoid); 5) dorsolateral approach to the foramen magnum and lower clivus.As the approaches are complex and carry potential risks of morbidity, not only it is important to have a good knowledge of basic anatomy but also to closely follow the indications for each one. In this type of surgery where it is often difficult to achieve complete removal of the lesion by a single route of attack, more than one approach may be employed in different surgical steps. Finally, all these approaches demand extremely scrupulos surgical reconstruction to avoid dangerous postoperative complications that may jeopardize the previous work of the surgeon. 相似文献
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Ramieri A Domenicucci M Passacantilli E Nocente M Ciappetta P 《La Chirurgia degli Organi di Movimento》2000,85(2):129-135
A retrospective radiologic study of 40 non-neurologic thoracolumbar fractures allowed for the evaluation of the long-term results of surgical and conservative treatment in terms of correction of the post-traumatic deformity. The Magerl classification and the McCormack scale were used to select compressive type fractures (type A), and fractures characterized by comminution of the vertebral body without involvement of the posterior elements. Instability related to comminution and to considerable diastasis of the fragments is at the basis of failure of conservative (plaster brace) and surgical (short posterior fixation and posterolateral fusion) treatments. Severe type A fractures treated conservatively have, in fact, at follow-up shown significant residual deformity, while failure of the instrumentation or loss of correction in 40% of cases treated surgically has been revealed. 相似文献
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Santoro A Piccirilli M Ciappetta P Guidetti G Cantore G 《Journal of neurosurgical sciences》2005,49(3):107-15; discussion 115
Two patients are described, the first with a giant aneurysm of the left carotid bifurcation previously treated by endovascular technique, the second with a bilateral intracavernous aneurysm: both were submitted to high-flow by-pass operation. The first patient was a 40 year-old woman who had presented subarachnoid hemorrhage 6 months before operation. She had been treated by means of a high-flow by-pass between the external carotid artery and the middle cerebral artery. Control angiograms performed 12 hours later showed a stenosis above the suture between the external carotid artery and the venous graft. Angioplasty was performed by endovascular route: new angiograms showed occlusion of the graft while dopplersonography demonstrated the presence of flow within the graft. Angiograms performed 1 week later showed marked vasospasm of the venous graft, of the internal carotid artery, the anterior cerebral artery and the middle cerebral artery. The evolution of spasm of the graft and of the intracranial arterial flow was monitored by dopplersonography and MR-angiography: the latter was performed 20 days after the last angiography and confirmed patency of the graft, while dopplersonography showed resolution of vasospasm. Finally, the aneurysm was embolized. The second patient was a 49 year-old woman with mild left palpebral ptosis and retro-orbital pain. She had already been submitted to high-flow by-pass operation 7 months earlier to treat a right intracavernous aneurysm; the left by-pass was necessary because the intracavernous aneurysm had become symptomatic. One week after surgery, spasm of the venous graft was documented by MR-angiography. In both cases, treatment consisted of calcium antagonists as well as hypertensive and hypervolemic medication, which was successful in treating vasospasm of the venous graft and its symptoms. Spasm of the venous graft, a well-known occurrence in cardiac revascularization, can also be observed in cerebral revascularization. 相似文献
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