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      Effects of cervical sympathectomy on vasospasm induced by meningeal haemorrhage in rabbits Translated title: Efeitos da simpatectomia cervical sobre o vasoespasmo induzido por hemorragia meníngea em coelhos

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          Abstract

          This study investigates the role of cervical sympathectomy in the prevention of acute vasospasm induced by meningeal haemorrhage in rabbits. Sixteen adult English Norfolk rabbits were divided into 2 experimental groups: bilateral cervical sympathectomy of the superior sympathetic ganglion (SSSG, n=8), and bilateral SSSG and sympathectomy of the inferior sympathetic ganglion (SISG, n=8). Other 24 animals were used as controls. Basilar artery diameter was evaluated by angiography. SSSG protected the animals against developing cerebral vasospasm; SSSG associated with SISG did not increase this effect.

          Translated abstract

          Este estudo investiga o papel da simpatectomia cervical na prevenção do vasoespasmo agudo induzido por hemorragia meníngea em coelhos. Para tanto, foram utilizados 16 coelhos adultos da raça Norfolk inglesa, divididos em 2 grupos experimentais: simpatectomia cervical bilateral do gânglio simpático cervical superior (SSSG, n=8) e SSSG associada a simpatectomia cervical bilateral do gânglio simpático cervical inferior (SISG, n=8). Outros 24 animais foram usados como controles. Os diâmetros das artérias basilares foram avaliados por medições após angiografias. SSSG protegeu os animais contra o vasoespasmo; SSSG associada a SISG não aumentou este efeito.

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          Biostatistical Analysis

          Populations and samples. Measures of central tendency. Measures of dispersion and variability. Testing of goodness of fit. Contingency tables. The normal distribuition. One-sample hypotheses. Two-sample hypotheses; Paired-sample hypotheses. Multisample hypotheses. Multisample hypotheses. The analysis of variance. Multiple comparasion. Two factor analysis of variance. Data transformations. Multiway factorial analysis of variance. Nested (hierarchial) analysis of variance. Simple linear regression. Comparing simple linear regression equations. Simple linear correlation. Polynomial regression. The binomial distribution. The posion distribution and randomness. Circular distributions. Descriptive statistics. Circula4 distribution. Hypotheses testing.
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            Arteriographic demonstration of spasm of the intracranial arteries, with special reference to saccular arterial aneurysms.

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              INNERVATION OF INTRACRANIAL ARTERIES

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                Author and article information

                Journal
                anp
                Arquivos de Neuro-Psiquiatria
                Arq. Neuro-Psiquiatr.
                Academia Brasileira de Neurologia - ABNEURO (São Paulo, SP, Brazil )
                0004-282X
                1678-4227
                September 2006
                : 64
                : 3a
                : 572-574
                Affiliations
                [02] Botucatu SP orgnameSão Paulo State University orgdiv1Botucatu School of Medicine Brazil
                [03] Botucatu SP orgnameSão Paulo State University orgdiv1Botucatu School of Medicine Brazil
                [01] Botucatu SP orgnameSão Paulo State University orgdiv1Botucatu School of Medicine orgdiv2Services of Neurosurgery Brazil
                Article
                S0004-282X2006000400006 S0004-282X(06)06400306
                4c2ca7b7-102a-42fd-988d-5f51c21a4f9f

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 03 February 2006
                : 07 April 2006
                : 27 October 2005
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 24, Pages: 3
                Product

                SciELO Brazil


                vasoespasmo,simpatectomia,subarachnoid haemorrhage,vasospasm,cervical sympathectomy,hemorragia subaracnóidea

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