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Biomedical subjects

C Messina

Publications and source records attributed to C Messina.

At least 181 records · Page 10Linked to original sources

Pattern recognition analysis of cardiovascular reflexes: its application in the diagnosis of autonomic neuropathy.

We describe pattern recognition analysis of six cardiovascular reflex tests and its application in the diagnosis of autonomic neuropathy. A discriminating model was performed by SIMCA method using the results of 85 healthy subjects. The prediction ability of the model was then verified with data from 95 patients at risk for autonomic neuropathy. Specificity resulted 93% and sensitivity 97%. The method increases the diagnostic efficiency of the tests, being particularly useful in patients with borderline autonomic involvement.

Adult↗

Pathophysiology of muscle tone.

Pathophysiology of muscle tone is discussed on the basis of recent knowledge about motor system organization. Decerebrate rigidity, "pyramidal" spasticity and extrapyramidal rigidity served as models of muscle tone alterations in lateral and ventral motor system lesions.

Brain↗

[A case of "sensitive deficiency of polyneuropathy"].

One case of carential sensitive neuropathy in a patient 47 years old with poor and imbalanced nutrition is reported. The clinical picture is characterized by mucocutaneous lesions, paresthesias like "burning feet", serious ataxia. All these symptoms remitted after one year of appropriate therapy. The carential vitaminic aethiology and the nosographic position of the disease are discussed on the basis of the current literature.

Deficiency Diseases↗

Autonomic nervous system dysfunction in chronic uraemics on haemodialysis.

A battery of cardiovascular reflex tests were performed in 35 patients with chronic renal failure on intermittent haemodialysis. An impairment of parasympathetic control was found isolated (14%) or combined with a damage of sympathetic control of cardiovascular system (26%). Moreover, maximum conduction velocity along sensory and motor fibres of posterior tibial nerve was measured in 21 patients. Autonomic dysfunction and somatic neuropathy did not appear strictly related.

Adult↗

[EMG in myopathies].

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Action Potentials↗

Age-dependent occurrence of autonomic dysfunction in chronic uraemia.

A battery of cardiovascular reflex tests were performed in twenty patients with chronic renal failure on intermittent haemodialysis. Using age-adjusted confidence limits, old-aged uraemics showed more extensive parasympathetic and sympathetic dysfunction than middle-aged patients. The results suggest that autonomic nervous system in the elderly is more susceptible to uraemic toxins than in the middle age. This should lead to better preventive and therapeutic strategies in older uraemics.

Adult↗