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The results of surgical treatment in 100 patients operated on for intracranial aneurysms of the anterior circulation
INTRODUCTION. Rupture of intracranial aneurysms causes nearly 80% of all spontaneous subarachnoid haemorrhages. OBJECTIVE. To determine the variables with prognostic value in view of the results of patients operated on for intracranial aneurysms. Patients and methods. The sample was made up of 100 patients from whose clinical histories useful data was obtained. This data was then fed into a database using DBASE111 and discriminant analysis made to determine the variables of predictive value regarding mortality.
RESULTS. The average age was 45 years, with a predominance of women. Arterial hypertension was observed in 52.9% of the patients. The patients with the best pre-operative evaluation on the WFNS scale obtained the best results. Correct evaluation of 97% of the cases was done on discriminant analysis of certain variables studied. Excellent results were obtained by 75% of the patients, 10% had a slight degree of disability, four patients had severe disability and 11 patients died, five of them of non-neurological conditions.
CONCLUSIONS. The application of discriminant analysis made it possible to determine amongst over 50 variables studied, a group which by themselves lead to the definite classification of our patients regarding survival. These were: the state of the brain during operation, number of post-operative complications, difficulty in dissecting the sac of the aneurysm, early rupture of the aneurysm, pre-operative neurological state and action on the aneurysm.
Cerebral aneurysmMortalityPrognosisResultsSubarachnoid haemorrhageSurgeryNeurocirugíaPatología vascular