[Value of the toluidine test in the diagnosis of malignant laryngeal neoplasms].
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Biomedical subjects
Publications and source records attributed to B Latkowski.
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101 past workers of artificial fibres plant (average age 50.5 years +/- 6.1, average length of employment 21.8 years +/- 6.0, disabled due to recognized chronic carbon disulphide poisoning of various clinical forms, have been examined. Apart from routine ENG examination (recording at rest and after kinetic, caloric and optokinetic stimulation), the pendular swivel chair test has been carried out. Tönnies electronystagmograph coupled with electronically controlled swivel chair D-420 has been used, programmed for pendular motion with angular acceleration values 1 degree/sek2. Analysis of electronystagmographic records after pendular stimulation has revealed the characteristic intermittent nystagmus reaction in 50.5% of subjects. Occurrence of such nystagmus pattern increased with patients age and CS2 exposure duration, amounting in particular clinical forms of poisoning to the following: 91% in encephalopolyneuropathy, 70% in encephalopathy and 35% in polyneuropathy. The authors regard the electronystagmographic evaluation of vestibular system done with the pendular swivel chair as significant aid in diagnosing toxic labyrinthopathies due to CS2 poisonings. On the other hand, intermittent nystagmus reaction may be indicative of the central nature of the lesions.
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The prevalence of occupational hearing impairment constantly increases, thus there are more and more people who become deaf and disabled from carrying on their jobs and normal social contacts. The technical efforts aimed at limiting exposure to noise, as well as medical prophylactic activities are not efficient enough. Therefore the authors analyse the possibilities of occupational hearing impairment treatment. Pharmacologic preparations likely to affect the temporary and permanent threshold shift, are considered. Within operative treatment, microsurgical technique of implanting microelectrodes to the cochlea is presented, basing on the authors' experiments with 4 patients op]erated and rehabilitated with this method.
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35 males aged 48--65 were spirometrically examined prior to treatment and following an operation. Excision of neoplastic larynx and tracheostoma breathing were found to result in defected lung ventilation. The defected lung ventilation depends on the size of neoplastic infiltration and its location, but primarily on the degree of narrowing of larynx lumen.
The authors present a graphical method for the assessment of the sensitivity of the vestibular system. With the aid of this method it is possible, with a high degree of probability, to exclude the existence of disturbances (80%) or confirm the presence of disease.
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