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1.
Clin Neurol Neurosurg ; 111(8): 647-54, 2009 Oct.
Article in English | MEDLINE | ID: mdl-19576683

ABSTRACT

OBJECTIVES: Coexisting intracerebral aneurysms and meningiomas occur relatively rarely, without a clear relationship, although an aneurysm can be located within a meningioma. The aim of this retrospective study was to identify possible explanations for the coexistence of these conditions and to present a rationale for treatment strategies. PATIENTS AND METHODS: Ninety-five patients with coexistent meningioma and aneurysm were found in the National Library of Medicine, and 11 more patients were retrieved from our own database. RESULTS: Co-occurrence of both pathologies, sometimes solitary, sometimes multiple, was mostly found in women (3:1). Clinical symptoms in the majority of patients were caused by tumour growth, whereas aneurysm rupture was seen only in a few cases. Consequently tumour resection was performed first in 58 out of the 95 patients, and aneurysm treatment in 38 patients. From available data, the mortality rate three decades before was approximately 40%, but decreased in the last years, due to microsurgical and endovascular techniques. All of our patients were alive after 1 year of follow-up. In patients with intratumoural aneurysms, only three published and one our own case, were treated for both pathologies. CONCLUSIONS: The coexistence of meningioma and aneurysm seems to be a coincidence. Treatment should primary focus on the cause of presenting symptoms, but in cases with intratumoural aneurysm, the aneurysm should be treated first. Due to the development of microsurgical and endovascular techniques peri-procedural mortality and morbidity has decreased.


Subject(s)
Brain Neoplasms/complications , Brain/pathology , Intracranial Aneurysm/complications , Meningioma/complications , Adolescent , Adult , Aged , Aged, 80 and over , Brain/blood supply , Brain/surgery , Brain Neoplasms/mortality , Brain Neoplasms/pathology , Brain Neoplasms/surgery , Child , Cohort Studies , Female , Humans , Intracranial Aneurysm/mortality , Intracranial Aneurysm/pathology , Intracranial Aneurysm/surgery , Male , Meningioma/mortality , Meningioma/pathology , Meningioma/surgery , Microsurgery/trends , Middle Aged , Neurosurgical Procedures/trends , Retrospective Studies , Sex Distribution , Young Adult
2.
Acta Neurochir (Wien) ; 151(4): 415-8, 2009 Apr.
Article in English | MEDLINE | ID: mdl-19277461

ABSTRACT

BACKGROUND: The therapeutic use of pure oxygen, even under hyperbaric conditions, has been well established for about 50 years, whereas the discovery of oxygen occurred 250 years earlier. Many neurosurgical patients suffer from brain tissue damage, due to reduced blood flow, obstructive vessel disease, or as a result of traumatic brain injury. METHODS AND RESULTS: The application of pure oxygen in these patients is the only method of increasing the O(2) concentration in tissue with impaired blood supply and can minimize secondary impairment of brain tissue. DISCUSSION: In this brief historical overview we focus on the development and evidence of hyperbaric oxygenation in this specific field of insufficient oxygen supply to the central neural tissue. CONCLUSION: With the use of modern biological methods and new study designs, HBO has a place in evidence-based treatment of patients with neural tissue damage.


Subject(s)
Hyperbaric Oxygenation/history , Hypoxia, Brain/history , Neurosurgical Procedures/history , Brain/metabolism , Brain/physiopathology , Brain Injuries/metabolism , Brain Injuries/physiopathology , Brain Injuries/therapy , Decompression Sickness/therapy , History, 17th Century , History, 18th Century , History, 19th Century , History, 20th Century , History, Ancient , Hyperbaric Oxygenation/methods , Hypoxia, Brain/therapy , Neurosurgical Procedures/methods , Oxygen/metabolism , Oxygen Consumption/physiology , Stroke/metabolism , Stroke/physiopathology , Stroke/therapy
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