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Revista Cubana de Medicina

versión impresa ISSN 0034-7523versión On-line ISSN 1561-302X


MOLINA MARTIN, Luis Alberto et al. Evaluation of the functioning of the autonomic nervous system in patients with Charcot Marie Tooth 1 polyneuropathy. Rev cubana med [online]. 2005, vol.44, n.1-2. ISSN 0034-7523.

A study was conducted to evaluate the clinical and electrophysiological alterations of the autonomic nervous system in patients with Charcot Marie Tooth 1 disease and to know the sensitivity of electrophysiological and clinical indexes available to identify and quantify dysautonomies associated with this disease. An analytical case-control study was undertaken. It was obtained a sample of 15 patients with type 1 hereditary motor and sensory demyelinating polyneuropathy and 20 matched controls. All the patients were applied a clinical questionnaire for dysautonomy. Heart rate was monitored, and it was observed the variability at rest and during Valsalva's maneuver, deep breaths and orthostatism. The variation coefficients, the Valsalva's indexes, and the expiration/inspiration and maximum/minimum coefficients on orthatism were calculated. It was found that 60 % (9 cases) of the patients suffered from coldness in hands and feet, urgency for miction, had slow digestions and they easily filled up when eating. The expiration/inspiration coefficient was statistically lower in patients than in controls (p = 0.01). No statistically significant differences were found in the rest of the VFC indicators (Max/Min index, mean RR, standard deviations and mean MSSD) registered in patients and controls. It was concluded that the patients with CMT have manifestations of dysautonomy in their clinical picture and that the index of deep breaths evidenced a mild parasympathetic cardiovascular lesion.

Palabras clave : Charcot Marie Tooth; hereditary polineuropathy; dysautonomy.

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