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  • 1
    Electronic Resource
    Electronic Resource
    PREVALENCE OF RAYNAUD'S PHENOMENON AND SPECIFIC CLINICAL SIGNS RELATED TO PROGRESSIVE SYSTEMIC SCLEROSIS IN THE GENERAL POPULATION OF JAPAN (1993)
    Oxford, UK : Blackwell Publishing Ltd
    International journal of dermatology 32 (1993), S. 0 
    Details
    ISSN: 1365-4632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background. In order to evaluate the prevalence rates of Raynaud's phenomenon (RP) and specific clinical signs related to progressive systemic sclerosis (PSS) in the general population of Japan, inquiries were made concerning RP in the hands and dermatologic examinations were also conducted. Methods. One thousand and sixty-three subjects (332 men and 731 women) over 30 years of age who underwent inhabitants' health examinations in 1990 were considered for this study. Results. The prevalence of RP was 3.0% in men and 3.4% in women. In 8 men and 17 women with RP who received the blood tests, the positive rates of antinuclear antibody (ANA) were 12.5% and 35.3% in men and women, respectively. The prevalence rates of all five specific clinical signs related to PSS, sclerodactyly, pitting scars of the fingers, brown pigmentation of the body, shortened frenulum of the tongue, and flexion contracture of fingers, were under 2% in men and 3% in women. In women with RP the prevalence rates of sclerodactyly, pitting scars of the fingertips, brown pigmentation of the body, and shortened frenulum of the tongue were 16.0, 4.0, 4.0, and 16.0%, respectively. These values were significantly higher than those of persons without RP. Conclusions. Because some persons with primary RP may become typical cases of PSS within several years, a follow-up study, particulary for women who have positive titers of ANA with RP, should be carried out to find out whether the persons suffer from PSS or not.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-4362.1993.tb04020.x
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  • 2
    Electronic Resource
    Electronic Resource
    DETECTION OF SCLERODERMA WITH CAPILLAROSCOPIC ABNORMALITIES OF NAILFOLDS (1996)
    Oxford, UK : Blackwell Publishing Ltd
    International journal of dermatology 35 (1996), S. 0 
    Details
    ISSN: 1365-4632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background. Systemic scleroderma is a problem in Gifu Prefecture, Japan. Methods. Three hundred and thirty-two men and 731 women over 30 years of age, who attended the residents’health examination in K town of Gifu Prefecture (population 4835 persons over 30 years of age) had a dermatologic examination. Antinuclear antibody was determined in 85 persons (14 men, 71 women; age 30 to 72 years) who had Raynaud's phenomenon or various clinical features related to systemic scleroderma. Of these 85 persons, 19 agreed to a capillaroscopic examination and of these, 16 showed some capillaroscopic abnormalities. Biopsy specimens of three women among these 16 individuals with capillaroscopic abnormalities were examined also histopathologically. Results. All samples taken from the forearm skins showed thick and packed bundles of collagen with hyalinization and thickened small blood vessels in the dermis, similar to histopathologic features of systemic scleroderma, although all these women had only a sausage-like swelling of the fingers and a shortened frenulum of the tongue. These results suggest that the prevalence of systemic scleroderma can be estimated to affect more than 0.38% of the population in this town. Conclusions. Manual skills and vibration exposure may be associated with systemic scleroderma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-4362.1996.tb05051.x
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  • 3
    Electronic Resource
    Electronic Resource
    Cutaneous signs (Raynaud's phenomenon, sclerodactylia, and efladema of the hands) and hand-arm vibration exposure (1993)
    Springer
    International archives of occupational and environmental health 64 (1993), S. 587-591 
    Details
    ISSN: 1432-1246
    Keywords: Vibration ; Raynaud's phenomenon ; Sclerodactylia ; Edema
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Dermatological tests and examinations of the hand(s) were carried out in vibration-exposed and un exposed males. The subjects were 179 chain-saw workers in private forestry companies and 205 local inhabitants who had never used vibrating tools. The prevalences of Raynaud's phenomenon (RP), sclerodactylia, and edema of the hands were estimated in both groups, and associations between these cutaneous signs and vibration exposure were evaluated. The prevalences of RP and edema in the exposed group were 9.5% and 1.7%, respectively, and in the unexposed group, 2.9% and 1.5%, respectively. Sclerodactylia was seen in 31.8% of the chain-saw workers but in only 6.4% of the unexposed individuals. In statistical analyses based on unconditional logistic regression models with adjustment for age, RP was associated with long-term (≥ 20 years) vibration exposure [odds ratio (OR) = 7.06; 95% confidence interval (CI) = 2.51−19.87]. Sclerodactylia was associated with both short- and long-term vibration exposure (OR = 6.54, Cl = 3.30-13.36; OR = 7.05; CI = 3.41-14.60, respectively). There were significant dose-response relationships between RP and duration of exposure and between sclerodactylia and duration of exposure. Results of function tests indicated a longer recovery time and a higher vibration threshold for the workers with RP. The presence of sclerodactylia, however, did not have any significant influence on function test results. It is possible to conclude that not only RP but also sclerodactylia could be induced by vibration exposure. However, most cases of sclerodactylia were not so serious as to involve disturbances of peripheral circulatory and nerve function.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00517705
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    Paper (German National Licenses)
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