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With the objective of studying a possible correlation between chronic cardiovascular disturbances and hearing loss in aged people, two groups were compared. The first was composed of apparently healthy subjects and the second, of subjects suffering from clinically evident chronic cardiovascular pathology. All the subjects were submitted to a pure tone audiometry, discrimination test, SISI test and TDT. The results showed a significant difference in pure tone threshold audiometry between the apparently healthy subjects and those presenting cardiovascular symptoms; the discrimination and the TDT were comparable in the two groups.
Rubinstein et al. (2009) studied this question.