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Related Experiment Video

Updated: May 24, 2026

Synovial Fluid Analysis to Identify Osteoarthritis
07:51

Synovial Fluid Analysis to Identify Osteoarthritis

Published on: October 20, 2022

Capillaroscopic pattern in inflammatory arthritis.

Sevdalina Nikolova Lambova1, Ulf Müller-Ladner

  • 1Medical University, Plovdiv, Department for Propedeutics in Internal Medicine, Bulgaria. sevdalina_n@abv.bg

Microvascular Research
|March 20, 2012
PubMed
Summary

Nailfold capillaroscopy is essential for diagnosing inflammatory arthritis, including rheumatoid arthritis and psoriatic arthritis. This imaging technique helps identify specific capillary changes, aiding in early detection and management of these conditions.

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Last Updated: May 24, 2026

Synovial Fluid Analysis to Identify Osteoarthritis
07:51

Synovial Fluid Analysis to Identify Osteoarthritis

Published on: October 20, 2022

Area of Science:

  • Rheumatology
  • Dermatology
  • Medical Imaging

Background:

  • Limited data exists on the utility of nailfold capillaroscopy in inflammatory arthritis.
  • Understanding capillary abnormalities is crucial for diagnosing and managing rheumatic diseases.

Purpose of the Study:

  • To investigate the role of nailfold capillaroscopy in diagnosing rheumatoid arthritis (RA), psoriatic arthritis (PsA), and early inflammatory arthritis.
  • To identify characteristic capillaroscopic findings in these patient groups.

Main Methods:

  • Nailfold capillaroscopy was performed using a videocapillaroscope on patients diagnosed with RA, PsA, and early arthritis.
  • A total of 105 patients were included: 62 with RA, 34 with PsA (hand joint involvement), and 9 with early arthritis.

Main Results:

  • Raynaud's phenomenon was observed in 30.6% of RA patients, 32.4% of PsA patients, and 44.4% of early arthritis cases.
  • Common findings in RA included elongated capillaries (58%) and prominent subpapillary plexus (69%).
  • Specific capillary morphology (tight terminal convolutions) was noted in 58.8% of PsA patients. A "scleroderma-like" pattern was infrequent in RA (14.5%) and early arthritis (11.1%).

Conclusions:

  • Nailfold capillaroscopy is a valuable diagnostic tool for inflammatory arthritis.
  • Its inclusion in the diagnostic algorithm is recommended for RA, PsA, and early arthritis patients.
  • Monitoring "scleroderma-like" patterns is advised for potential systemic rheumatic disease development.