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[Auditory brain stem evoked potentials in the evaluation of chronic fatigue syndrome]. / I potenziali evocati uditivi troncoencefalici nella valutazione della sindrome da fatica cronica.
Bianchedi, M; Croce, A; Moretti, A; Neri, G; Barberio, A; Iezzi, A; Pizzigallo, E.
Afiliación
  • Bianchedi M; Clinica Otorinolaringoiatrica, Università, G. D'Annunzio di Chieti.
Acta Otorhinolaryngol Ital ; 15(6): 403-10, 1995 Dec.
Article en It | MEDLINE | ID: mdl-8711992
ABSTRACT
The Chronic Fatigue Syndrome (CFS) was formally defined to describe disabling fatigue of multifactorial ethology with depression and immunologic dysfunctions linked to some currently recognized infectious agents. In most cases neurophysiological tests reveal abnormalities. In this paper the Authors use low (11 pps) and high (51-71 pps) frequency ABR to evaluate the electrophysiological function of auditory brainstem responses. Eighteen patients with suspected CFS, between the ages of 17 and 63, were examined. Eleven subjects had clinically diagnosed "true" CFS (CDC criteria modified by Fukuda). The 11 pps frequency test did not reveal a high number of abnormalities in the patients in question. However, the high frequency stimulation test (with 51 and 71 pps) which was statistically significant (P = 0.009) revealed numerous aberrations in 7 patients; absence of the first wave in 1 case, in 5 numerous wave gap delays and in 1 patient absence of the first wave and numerous wave gap delays. The high frequency test did not show many abnormalities for the 4 remaining patients. For the 7 "non CFS" subjects, the clinical-audiological comparison showed no statistical significance (P = 0.920). The Authors hypothesize that the absence of the first wave in the CFS Subject may well indicate a cyto-neural junction disease in the organ of Corti. The combined analysis of clinical and audiological data showed that the described tests are more reliable when employed in dealing with patients with clinically assessed "true" CFS.
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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Síndrome de Fatiga Crónica / Potenciales Evocados Auditivos del Tronco Encefálico Tipo de estudio: Diagnostic_studies Límite: Adolescent / Adult / Female / Humans / Male / Middle aged Idioma: It Revista: Acta Otorhinolaryngol Ital Año: 1995 Tipo del documento: Article
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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Síndrome de Fatiga Crónica / Potenciales Evocados Auditivos del Tronco Encefálico Tipo de estudio: Diagnostic_studies Límite: Adolescent / Adult / Female / Humans / Male / Middle aged Idioma: It Revista: Acta Otorhinolaryngol Ital Año: 1995 Tipo del documento: Article
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