Validation of a risk index to predict venous diseases and musculoskeletal disorders

Recruiting

Conditions: venous refluxmusculoskeletal disorders (lower back, lower extremity)
I83
I87.2
Varicose veins of lower extremities
Venous insufficiency (chronic)(peripheral)

Registration Number: DRKS00026975

Lead Sponsor: Institut für Arbeitsmedizin, Sozialmedizin und Versorgungsforschung

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Recruiting

Sex: All

Target Recruitment: 478

Inclusion Criteria

minimum age: 25, maximum age: 55
working for at least 30 hours over 4 days per week
working for at least 2 years in their current occupation
agreement to participate in the study

Exclusion Criteria

working regularly at night
pregnancy
spinal cord disorders
spinal deformities or surgeries
lower extremity paralyses
hip, knee or ankle endosprosthesis
parkinson's disease
polyneuropathy (motor or sensory neuropathies)
diabetic mellitus with polyneuropathy or diabetic ulcer
blood clotting disorders
hormonal treatment during menopause
infectious diseases
temperature > 38 degrees Celsius
cardiovascular diseases
open wounds on the legs

Study & Design

Study Type: observational

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Correlation between the occurance of a venous reflux (> 0.5 seconds) in at least one vein of the lower limb and the duration of standing at work [group 1: standing at work < 2 hours, group 2: 2 hours < = standing at work < 4 hours (exploratory analysis), group 3: standing at work >= 4 hours]

Secondary Outcome Measures

Name	Time	Method
Correlation between the occurance of musculoskeletal disorders of the lower back in the last 4 weeks and the duration of standing at work (group 1: standing at work < 2 hours, group 2: 2 hours < = standing at work < 4 hours, group 3: standing at work >= 4 hours)<br><br>Correlation between the occurance of musculoskeletal disorders of the lower limb in the last 4 weeks and the duration of standing at work (group 1: standing at work < 2 hours, group 2: 2 hours < = standing at work < 4 hours, group 3: standing at work >= 4 hours)<br><br>Comparison of self-reported and objectively measured physical activity at work