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Publications (4)4.34 Total impact

  • F Coret · M J Enguidanos · J J Vílchez · J L Barbera
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    ABSTRACT: The study of cerebrospinal fluid (CSF) gives very valuable data for the diagnosis of certain neurological disorders. Objective. To discover the discriminative value of different tests and their usefulness in the study of neurological disorders. Discriminative multivariate analysis was used for the group of parameters obtained from study of CSF and serum in a sample of 733 patients. BO was included, CSF cytobiochemical data and five of the equations used for calculation of the synthesis of intrathecal IgG. The best discriminative function was expressed as the intrathecal IgG with normal BHE. The formula of Tourtellotte was noteworthy for overestimation of the synthesis of intrathecal IgG when the albumin index indicated BHE rupture. Prospective reclassification of the 733 cases showed that these tests are well worthwhile to rule out immunologically mediated disorders (93% of the cases were correctly reclassified); they suggest the diagnosis in multiple sclerosis (66% correctly reclassified) and give very poor reliability when trying to distinguish between inflammatory infectious processes. In spite of their undoubted use in supporting the clinical diagnosis, the tests used for study of the synthesis of IgG, even complemented by cytobiochemical examination of the CSF, are not in themselves sufficient for use as a discriminative test in the differential diagnosis of neurological processes.
    No preview · Article · Oct 1997 · Revista de neurologia
  • M J Enguídanos · F Coret · J Vílchez · M D Chermá
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    ABSTRACT: In order to find out the degree to which rupture of the blood-brain barrier (BBB) could influence the diagnostic effectiveness of five equations used to determine the intrathecal synthesis of IgG, a comparative study was performed with results from 733 patients with different neurological processes either related to an immune response (PNI) or not (PNNI). Rupture of the BBB was determined by a quotient of cerebrospinal fluid (CSF)/serum albumin (COA) higher than that obtained in the control group. When the BBB was retained, there was no clear superiority of one formula over another, but an altered BBB was the conditioning factor in the divergence. The extended Index was the least influenced by the rupture of the BBB, while Tourtellotte's equation was the most affected. In agreement with the clinical information data, the IgG Index was the most sensitive equation, while the extended Index was the most specific.
    No preview · Article · Dec 1993 · Revista Clínica Española
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    ABSTRACT: The polyacrylamide gel electrophoresis of spinal fluid from 488 patients suffering neurological diseases and from a control group are reviewed. One hundred and eleven cases (22.7%) showed oligoclonal bands (OB). The highest percentage of OB appeared in the group of patients with definite multiple sclerosis (84%), followed by those with probable multiple sclerosis (46%) and inflammatory infectious diseases (43%); the group of patients with a possible multiple sclerosis (7%), vascular malignancies (11%) and other diseases (4%) showed a lower incidence of OBs. No OBs were found in groups of patients with degenerative diseases, dementia or the control group. These results confirm the great usefulness of this test to support the diagnosis of multiple sclerosis, although it also shows that it is not a specific test so it should always be evaluated within a clinical context.
    No preview · Article · Nov 1989 · Revista Clínica Española
  • F Coret · M J Enguídanos · J Benedito · J A Burguera · J J Vílchez · S Fernández

    No preview · Article · Jul 1987 · Neurologia (Barcelona, Spain)