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Acta Neurológica Latinoamericana

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https://www.readbyqxmd.com/read/6965174/-surgical-treatment-of-giant-cerebral-arteriovenous-malformations
#1
G M Malik, C E Codas, J I Aussman, M Dujovny
Despite advances in the surgical management of cerebral arteriovenous malformations (AVMs), giant (AVMs (greater than 5 cm] are still considered unsuitable for direct surgical resection by most neurosurgeons. Some of the lesions are being treated with embolization, or embolization followed by surgical excision. Embolization alone is not curative and carries potential risks of neurological deficit as well involves multiple procedures. Fourteen patients with giant AVMs underwent surgical resection without prior embolization...
1981: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/6965173/charcot-marie-tooth-s-disease-with-severe-trophic-and-sensory-disorders-study-of-a-case-following-along-a-half-a-century-with-anatomical-studies
#2
L Barraquer-Bordas, C Navarro, P Salisachs
Plantar ulcers of neurological origin are known to be associated with several disorders, some of which may be familial. We present the case report together with the clinical and post-mortem data of a patient with peroneal muscular atrophy of the Charcot-Marie-Tooth type and plantar ulcers as a prominent feature. At least three other members of her family had Charcot-Marie-Tooth disease. The family pedigree is included. The discussion stresses the difference between patients with Charcot-Marie-Tooth disease with associated manifestations, bony destruction of the feet and plantar ulcers and patients with hereditary motor and hereditary sensory radicular neuropathies...
1981: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/6965172/prognosis-of-epilepsy-remission-of-seizures-and-relapse-in-808-adult-patients
#3
E Gerstle de Pasquet, S Bonnevaux de Toma, J A Bainy, E Bonfils, V Carvalho, E Espíndola, J Gaudiano
In a retrospective study of 808 adult epileptic patients undertaken at the Neurological Institute of Montevideo, Uruguay, the rate of remission of seizures (three seizure-free years) was 32%, and that of relapse 39%. Remission occurred mostly during the first years after onset, and relapse during the first years after remission. Patients with generalized or partial seizures alone had a better prognosis than when both types coexisted. Patients with Petit Mal absences persisting after 14 years of age, had the lowest rate of remission...
1981: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/6965171/spongy-degeneration-of-the-nervous-system-associated-with-propionic-acidemia
#4
J Asconapé, V R Challa, J N Angelo
The pathologic changes in the brain of a five and a half month old male child who died of propionic acidemia are presented. Although previous pathologic reports of this disorder describe either no involvement of the central nervous system or focal myelin sheath vacuolization, the present case exhibited different pathology, namely, spongy degeneration of the white matter of Van Bogaert and Bertrand's type. Thus this case illustrates that the pathologic changes in the brain in propionic acidemia are variable...
1981: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/6965170/saccadic-eye-movements-in-frontal-lesion-and-posthemispherectomy-in-humans-an-electro-oculographic-study
#5
J Bogacz, M D Bottinelli, M Pebet, A Bogacz
This study was concerned with the assumed role that the frontal eye fields could play in the mechanisms of: the voluntary saccade optokinetic responses. Ten patients with frontal lobe tumors (8 unilateral, 2 bilateral) and two patients with a right hemispherectomy were studied. EOG and EEG were performed in the same session. Left and right voluntary saccadic potentials could be recorded in all cases, no matter where the frontal lesion was located. Minor differences in amplitude were observed between the fast eye movement to the lesion and to the normal side...
1981: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/6965169/-intracranial-melanomas
#6
H O Chade
Brief survey of the present knowledges concerning the melanocyte, its localization in the CNS and its transformation in melanoma. Through a catamnestic study of patients with intracranial melanoma the symptomatology and evolution of these patients is analyzed. It is stressed the importance of the early recognition of this mortal disease.
1981: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/6965168/-electro-clinical-and-developmental-forms-of-epilepsy-as-a-function-of-their-appearance-at-different-ages-of-life
#7
H Gastaut, L Oller-Daurella
The authors review the different electroclinical varieties and the evolution of epilepsy that appear in the six principal age groups: newborn, infancy, childhood, adolescence, adult and aged. The aim of this study is to answer the following questions: on one hand to find out if there exists in newborn, infant or young child, a form of epilepsy entirely functional, dependent on a constitutional epileptic predisposition transmitted on a genetic basis, which correspond to the primary generalized epilepsy of the other age groups...
1981: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/6765614/-a-test-for-the-evaluation-of-visuo-spatial-memory
#8
REVIEW
C López de Cayaffa, M Flores de Rodríguez
Review of available literature reveals the lack of reports on memory impairment in relation to visuo-spatial and tridimensional dominance. Considering the absence of specific methods for assaying evaluations, the intention of our study was to devise a systematic testing procedure in order to explore the patterns referrable to this aspect.
1981: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/6765613/-pathology-of-cerebral-edema-ii-experimental-models-and-modifying-agents
#9
REVIEW
R F de Estable-Puig, J F Estable-Puig, H J Manz
Current experimental models of brain edema are described and evaluated for their contribution to the knowledge of basic processes involved in its production as well their contribution to the understanding of different clinical forms. The participation of each main pathogenic mechanism in a given experimental model is analyzed and proves to vary with each particular model and site studied. The importance of various experimental models in the evaluation of different therapeutic procedures directed to control the genesis and evolution of brain edema is stressed...
1981: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/6765612/-report-of-a-new-case-of-cobb-syndrome-meningo-spinal-cutaneous-angiomatosis
#10
REVIEW
S Gordon-Firing, J A Purriel, D Pereyra, I Brodbek
The authors present a 47 years old female patient with cutaneomeningospinal angiomatosis or Cobb's syndrome of thoracic location. This entity, included in the primarily mesodermic phacomatose, is extremely rare, and only 17 cases have been sufficiently documented in the literature on the subject. The rare association with vertebral haemangioma of the same metameric level was present in this patient. The diagnostic criteria, possible associations, pathophysiology and nosological situation are discussed. The telangiectasic type of angioma and the principally extradural location are stressed...
1981: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/6765611/-pathology-of-cerebral-edema-i-concept-etiopathogenesis-and-classification
#11
REVIEW
H J Manz, R F de Estable-Puig, J F Estable-Puig
Taking into account its complex pathogenesis, we stress the inadequacy of considering brain edema as a single clinical or pathological entity. Vasogenic, cytotoxic and hydrocephalic varieties are considered. Some clinical conditions underlied by the common morphologic feature of "status spongiosus" are discussed. The methods of investigation of brain edema are presented as well as problems concerning its diffusion and resolution.
1981: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/6100985/-jugular-chemodectoma-with-garcin-syndrome
#12
C Chouza, A Navarro, J A Purriel, G Pou, A de Tenyi, A Wozniak, J Touyá
The authors present an exceptional case of chemodectoma jugulare with important invasion of the skull base involving all the cranial nerves on one side and conforming Garcin's syndrome. Practically all the possible ways of spreading were followed by the tumor, with involvement of the posterior, middle and anterior fossas of the skull base and also orbit, middle ear and neck. The clinical and histopathological difficulties in the diagnosis, especially when the chemodectoma has only neurological signs, are stressed...
1981: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/7349011/-russell-syndrome-report-of-a-case
#13
I D Mello Chemak, G R Medina, F Farinatti
A child who presented the typical features of the diencephalic syndrome of Russell is presented. The authors stress the importance of ruling out a diencephalic neoplasm in all infants who present failure to thrive. The appearance of symptoms related to diencephalic syndromes of older children such as obesity, sexual precocity in later stages of syndrome of Russell is discussed.
1980: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/7349010/reading-writing-and-drawing-disorder-due-to-right-brain-damage
#14
I Lebrun
The author studies the written language in a series of right-handed patients with a right side cerebral lesion. Reduplications and omission of strokes and of letters are noted on writing. The cause of these disorders is attributed by the author to an impairment of visual and kinesthetic control of the act of writing, and not to a truly aphasic alteration. This impairment is part of a more general deficit, namely a distorted interpretation of spatial data. The author proposes to call this writing disorder afferent dysgraphia...
1980: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/7349009/biomechanics-of-vascular-occlusion-in-neurosurgery
#15
M Dujovny, N Wackenhut, N Kossovsky, L Leff, C Gómez, D Nelson
Principle factors involved in effective vascular occlusion were identified and incorporated into a computer program designed to calculate the minimal occlusion force (MOF) in accordance with a modified version of Laplace's law. In vivo, the carotid arteries of 14 guinea pigs were occluded for one hour at an experimentally determined MOF or MOF + 50. A good correlation was found between the computed MOF and the experimentally determined MOF. Scanning electron microscopic (SEM) examination of the endothelium of the occluded vessels revealed extensive damage with forces greater than the MOF...
1980: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/7349008/-tumors-of-the-sellar-region-and-the-cavernous-sinus-evaluation-of-diagnostic-procedures-and-therapeutic-orientation
#16
A Calvo, J A Purriel, E Bastarrica, M A Haberbeck
Two cases of infrequently seen tumors of the cavernous sinus and the clivus regions are presented. One of them was a chordoma and the other, a myeloma, and both were approached by the transphenoidal route. The clinical picture and the diagnostic procedures are reviewed, and the several surgical approaches to these regions are discussed. These regional processes should be submitted to a precise radiological evaluation: plain skull films, conventional tomography, arteriography, and computerized tomography scan, in order to establish their origin and their extension, and also to determine the proper approach...
1980: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/7344400/aneurysm-clip-testing-meter
#17
M Dujovny, A Perlin, N Wackenhut, L Leff, N Kossovsky, D Nelson
The force that a vascular clip exerts when it is applied to a vessel is a critical factor in its safe and proper use. Permanent occlusion effected in the obliteration of aneurysms requires clip closure forces great enough to resist sliping, yet low enough not to damage the neck of the aneurysm. The authors consider the need for a device that can readily measure clip closing forces just prior to pre-surgical sterilization (immediately prior to implantation), and an instrument that meets that need is presented...
1980: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/7344399/-actinomycotic-cerebral-abscess-apropos-of-a-case
#18
S Gordon-Firing, J A Purriel, F G Gravina, H Appel
A case of an actinomycotic brain abscess in an adult patient apparently free of systemic infection is presented. The rarity of this etiology of brain abscess is underlined. The patient was treated by complete surgical excision and prolonged antibiotic therapy with penicillin. The authors stress the importance of taking into account this infrequent cause of brain abscess, the necessity of radical surgical treatment followed by intensive, prolonged and adequate antibiotic therapy, as the only means of reducing the high mortality rate...
1980: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/7344398/-central-deafness-without-aphasic-disorders-due-to-bilateral-temporal-lesion
#19
L Barraquer-Bordas, J Peña-Casanova, L Pons-Irazábal
The authors report the case of a 68 years-old man with two strokes with an interval of 12 years in each hemisphere. In the last one, the patient presented total and persistent central deafness without any aphasic disorders, except verbal comprehension interference due to the deafness. During the first weeks he also had complex auditory hallucinations. Computerized tomography showed alterations suggesting old bilateral temporal lobe infarctions.
1980: Acta Neurológica Latinoamericana
https://www.readbyqxmd.com/read/7246051/-use-of-the-inflated-balloon-catheter-in-the-treatment-of-carotid-cavernous-fistula
#20
G M de Almeida, N D Cabral, E Bianco
In the vast majority of techniques used to treat carotid-cavernous fistulas the carotid artery has been occluded. Occlusion of the fistula with preservation of carotid blood flow is achieved by new techniques as those proposed by Parkinson, Serbinenko and Mullan. However the sophisticated equipments and surgical acts which are needed for these methods has not allowed its general use. The use of Fogarty type balloon catheters has had a place in the treatment of carotido-cavernous fistulas. The carotid artery has to be occluded too, but the procedure is much safer and easier...
1980: Acta Neurológica Latinoamericana
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