Abstract
SummaryLymphoedema is a disease frequently diagnosed in vascular departments, its origin being primary or secondary after cellulitis or cancer treatment. The prevalence of lower extremity lymphoedema in the general population is largely unknown. The aim of this article is to describe the prevalence of Stemmer's sign as a diagnostic criterium for lymphoedema in an unselected adult German population. Methods: The population for this cross-sectional study was recruited from November 2000 through March 2002 from the general population of the city of Bonn and two surrounding rural communities. 3072 individuals (1145 rural and 1927 urban) could be enrolled in the study. The results of the clinical examination were categorized in four groups: grade 0 normal skin fold at the dorsum of the second toe, grade 1 skin fold enlarged measuring 0.5–1 cm, grade 2 the skin fold >1 cm and grade 3 >1 cm with severe induration or papillomatosis. Results: Among 3055 out of 3072 subjects information on all variables were available. In 15.9% of the population a positive Stemmer sign was found with a slightly higher overall prevalence in women. Most of this group presented as grade 1 Stemmer's sign (14.1%). The more severe grades 2 and 3 were present in 1.8 % of the study population with no clear difference between sexes. We observed a considerably higher prevalence of Stemmer's sign of all grades in the urban population. The prevalence of Stemmer's sign increased with age from 3.2% up to 35.9% in the 70–79 year old population. Prevalence of positive Stemmer's sign was also higher in higher C-stages of the CEAP classification (5.8% in C0 to 100% in C6). Conclusions: The prevalence of lymphoedema in the general population represented by grade 2–3 Stemmer's sign in 1.8% and grade 1 Stemmer's sign in 14% is high. Women have a slightly higher prevalence of positive Stemmer's sign than men. The prevalence of positive Stemmer's sign is associated with age and chronic venous insufficiency.
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