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EN
Objectives: Vertigo is a very common symptom mainly caused by the lesion of vestibular system (peripheral or central) and often accompanied by some work-related diseases and occupational intoxications. The aim of this study was to assess the value of electronystagmography (ENG) and videonystagmography (VNG) for diagnosing vertigo of various origin. Materials and Methods: The study included four groups, 25 subjects each, of patients suffering from vestibular disorders of peripheral, central and mixed origin versus healthy controls. All were examined by means of ENG and VNG, using the bithermal caloric test with 30°C and 44°C air irrigations of the ears. The findings (frequency of induced nystagmus FRQ, its slow phase velocity SPV, canal paresis CP, directional preponderance DP, vestibular excitability VE) were analysed and compared. Results: In all patients with vertigo due to vestibular neuritis, barotrauma and kinetosis, significant CP, the important sign of peripheral site of vestibular lesion was identified both in ENG and VNG. None of the patients with central origin disorders showed CP in VNG; in the majority of cases DP was observed. However, in ENG we found CP in 5 patients with central origin disorders. There were no essential differences between ENG and VNG in measurements of FRQ and SPV except for higher values in VNG in controls and patients with mixed vertigo. Conclusions: The results suggest that the VNG should be recommended in preference as the valuable method to assess vertigo and to discriminate between the peripheral and the central vestibular lesions.
EN
Neuropathic pain and chronic pain constitute an interdisciplinary problem on the border of medicine, psychology, sociology and economics. While it seems to be underestimated, the scale of this problem will continue to increase due to the population aging and the growing incidence of lifestyle disorders. People employed in various occupational sectors may also wrestle with these disease units, which affect the quality of their life, mental health and work productivity. A narrative review provided an overview of neuropathic pain and chronic pain, and their relationship to such factors as job type, work absenteeism and productivity decline, as well mental well-being. A systematic literature search was conducted based on the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines to identify appropriate literature by searching the electronic databases: PubMed/MEDLINE, Pain Journal and the Cochrane Database of Systematic Reviews. Studies were published in Polish, English and French. Research shows an increasing number of musculoskeletal diseases in professionally active people, which lead to disability or provoke work absences. However, sickness presenteeism and/or absenteeism caused by pain not only leads to economic burdens, but also to burnout, fatigue and depression syndromes in employees. These disorders may require specialized effective interventions to support the return to work or maintaining employment despite experiencing pain. Every patient with chronic or neuropathic pain should be correctly assessed to determine the best method of treatment and its effectiveness.
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