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Association of Venous Disorders with Leg Symptoms: Results from the Bonn Vein Study 1
M Wrona1, K-H Jöckel2, F Pannier3
1Department of Dermatology, University of Bonn, Germany.
Insights
Venous disorders like varicose veins and chronic venous insufficiency are linked to leg symptoms such as itching and heaviness. These associations are stronger with more severe venous disease classifications.
Area of Science:
- Vascular Medicine
- Epidemiology
- Public Health
Background:
- Leg symptoms are common but their association with underlying venous disorders requires further population-based investigation.
- The Bonn Vein Study 1 (BVS1) provides a valuable dataset for examining these relationships.
Purpose of the Study:
- To investigate the association between diagnosed venous disorders and self-reported leg symptoms in a large population sample.
- To determine which specific leg symptoms are most strongly correlated with chronic venous insufficiency (CVI) and varicose veins (VVs).
Main Methods:
- A cross-sectional study of 2,624 participants (aged 18-79) from the Bonn Vein Study 1.
- Clinical and duplex investigations were used to diagnose CVI and VVs (CEAP classification).
- Leg symptoms were assessed via standardized interviews, and logistic regression analyzed associations.
Main Results:
- Higher prevalence of leg symptoms was reported by women and increased with age and BMI extremes.
- Varicose veins (22.6%) and CVI (15.8%) were significantly associated with reporting leg symptoms.
- Itching, heaviness, tightness, swelling, and pain after standing/sitting showed positive associations with VVs and CVI.
Conclusions:
- Venous disorders are significantly associated with multiple leg symptoms, particularly itching, heaviness, and tightness.
- The severity of venous disease (CEAP C2 and above) correlates with the presence of these symptoms.
- These findings highlight the importance of considering venous disorders in patients presenting with leg symptoms.
Objectives:
The aim was to study the association between venous disorders and leg symptoms in the population based cross sectional Bonn Vein Study 1 (BVS1).
Methods:
A total of 1,350 men and 1,722 women aged 18-79 years were enrolled into BVS1. Chronic venous insufficiency (CVI), varicose veins (VVs), and clinical classes (C-classes/CEAP [Clinical, Etiological, Anatomical, and Pathophysiological]) were determined by clinical and duplex investigation. Leg symptoms (heaviness, tightness, swelling, pain after standing or sitting, pain while walking, muscle cramps, itching, and restless legs) were assessed in a standardized interview. For 2,624 subjects (48.7% male) with complete information on venous disorders, relevant characteristics and information on at least one leg symptom, multivariate logistic regression analysis was performed.
Results:
More women (929/63.0%) reported at least one leg symptom within the last 4 weeks than men (560/48.7%). Prevalence of reported symptoms increased with age (45.4% of the 18-29 year olds, 73.9% of the 70-79 year olds). Leg symptoms were more frequent in obese and underweight subjects. As confirmed by clinical and duplex examination 22.6% had VV and 15.8% had CVI. VV (OR: 1.4; CI: 1.1-1.7) and CVI (OR: 1.8; CI: 1.3-2.3) were significantly associated with reporting at least one leg symptom. In particular, there was a positive association of VV and CVI with itching, feeling of heaviness, tightness, swelling, and pain after standing or sitting. C2-C6 showed a statistically significant association with feeling of heaviness, tightness, swelling, and itching, while for pain on walking and muscle cramps this was shifted towards C classes C3-C6 and C3-C4, respectively.
Conclusions:
Venous disorders show significant associations with several leg symptoms. Itching, feeling of heaviness, or tightness seem to be more closely related than other symptoms. The associations between C classes and symptoms seem to be restricted to classes C2 or higher.
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