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AB1003 Is the Ultrasound Score Based on 7 Joints (US-7 SCORE) A Valid Screening Tool for Inflammatory Joint-Diseases in A Population of Volunteers? Results from the “Rheuma-Truck” Cohort
  1. P. Sewerin1,
  2. S. Vordenbäumen1,
  3. R. Brinks1,
  4. A. Liedmann1,
  5. S. Ohrndorf2,
  6. M. Backhaus2,
  7. O. Sander1,
  8. M. Kümmel1,
  9. M. Schneider1,
  10. B. Ostendorf1
  1. 1Department for Rheumatology, University Hospital Duesseldorf, Düsseldorf
  2. 2Department for Rheumatology an Clinical Immunology, Universtity Hostpital Berlin, Charite, Berlin, Germany

Abstract

Objectives To investigate the value of ultrasound (US) and the US-7 score as a screening tool in a population of volunteers visiting the “Rheuma-Truck”

Methods “Rheuma-Truck” was a mobile rheumatology office located in different city center of North Rhine Westphalia offering a screening for rheumatic diseases including Rheuma-Check questionnaire, lab-tests (MCV capillary test), imaging (US, capillaroscopy), and if positive a consultation with a rheumatologist to everybody free of charge. Ultrasound according to US-7 criteria, which is so far only evaluated as a parameter for therapy monitoring, with addition of the MCP-5 joint of the dominant hand of 605 volunteers was performed (MyLab 25 Gold, Esaote linear scanner, 15, Typ LA435). Moreover, in 236 of these volunteers the foot was assessed. Thus a total of 4102 joints were examined by ultrasound. Descriptive statistics for the patients were obtained and are reported as means ± standard deviation, ranges, frequencies or proportions as appropriate. Correlation coefficients are Pearson-correlations.

Results The mean age of the investigated cohort was 52.72 years (min. 10, max. 89 years). Sex distribution shows 72.2% females and 27.8% males. 181 (29.9%) volunteer showed inflammatory signs in ultrasound. Overall MTP-2 was using the US-7 criteria the most frequently involved joint (11.4% B-mode and/or powerdoppler) followed by the dorsal wrist (8.9%), the MCP-2 (6.6%), PIP-3 (6.0%), PIP-2 (4.3%), the ulnar wrist (3.0%), MCP-3 (2.6%), the palmar wrist (0.5%) and MTP-5 (0.4%). The additionally evaluation of the MCP-5 joint showed with 7.6% the third most pathological findings anyway. Overall 378 volunteers referred a rheumatologist because of pathological findings in Rheuma-Check, lab-tests or ultrasound. 82 of these volunteers were diagnosed as rheumatoid arthritis (13.5%). First evaluations showed high correlations between ultrasound, MCV capillary test and the Rheuma-Check questionnaire.

Conclusions Musculoskeletal ultrasound and US-7 scoring system are sufficient screening- and scoring tools for the detection of inflammatory joint alterations in a volunteer cohort. MCP-5 is a frequently involved joint in musculoskeletal ultrasound, which is not included in the US-7 scoring system yet. This study highlights the value of ultrasound in early detection of inflammatory joint diseases in a population of volunteers.

Disclosure of Interest None declared

DOI 10.1136/annrheumdis-2014-eular.4228

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