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Grading of sensorineural disturbances according to a modified Stockholm workshop scale using self-reports and QST.

Artikel i vetenskaplig tidskrift
Författare Ronnie Lundström
Tohr Nilsson
Mats Hagberg
Lage Burström
Publicerad i International archives of occupational and environmental health
Volym 81
Nummer/häfte 5
Sidor 553-7
ISSN 0340-0131
Publiceringsår 2008
Publicerad vid Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa
Sidor 553-7
Språk en
Länkar dx.doi.org/10.1007/s00420-007-0249-...
Ämneskategorier Medicin och Hälsovetenskap


OBJECTIVE: The objective of the study was to apply, on a group of vibration exposed individuals, a proposed modification of the Stockholm Workshop scale for grading of sensorineural disorders by using self-reports and data from objective testing and to compare grading obtained through the two approaches. METHODS: The study group consisted of 126 young persons with different individual levels of hand-transmitted vibration exposures. Effect measurements included a self-administered questionnaire and vibrotactile perception measurements and Purdue Pegboard testing. For grading using self reports three specific questions, believed to be good markers for complaints of intermittent numbness, sensory deficiency, and reduced performance in fine motor tasks, was picked out from the questionnaire. Results from vibrotactile perception and Purdue Pegboard testing were used for grading based on quantitative sensory testing. The sensorineural grading obtained by the two methods was then compared. RESULTS: The outcome showed that about 60% of all individuals within the study group are graded equally by the two methods for grading. The frequency of individuals graded at advanced SN stages were however higher when using QST, predominantly due to more positive cases for the Purdue pegboard test compared with the corresponding outcome from the self reports. CONCLUSION: The proposed modification of the grading scale reduces the in-built progressiveness and allows different combinations of sensorineural symptoms. The two grading methods seem to be somewhat correlated, something which may be considered as encouraging and promising for those who prefer to use, or must use one of the methods for grading. The proposed model for grading using self-reports should, however, be considered more as a conceptual idea for how this may be done. The models should be applied on a larger, more vibration exposed and more symptomatic study group, compared with the present study group, before any far-reaching conclusions can be drawn.

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