Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Panoramic nailfold capillaroscopy: a new reading method and normal range.

L E Andrade1, A Gabriel Júnior, R L Assad

  • 1Rheumatology Division, Escola Paulista de Medicina, Sao Paulo, Brazil.

Seminars in Arthritis and Rheumatism
|August 1, 1990
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Schizophrenia as a risk factor for cardiovascular and metabolic health outcomes: a comparative risk assessment.

Epidemiology and psychiatric sciences·2023
Same author

Estimating the difference in prevalence of common mental disorder diagnoses for Aboriginal and Torres Strait Islander peoples compared to the general Australian population.

Epidemiology and psychiatric sciences·2022
Same author

Post-traumatic stress disorder and major depression in conflict-affected populations: an epidemiological model and predictor analysis.

Global mental health (Cambridge, England)·2017
Same author

A systematic review and meta-regression of the prevalence and incidence of perinatal depression.

Journal of affective disorders·2017
Same author

The population cost-effectiveness of delivering universal and indicated school-based interventions to prevent the onset of major depression among youth in Australia.

Epidemiology and psychiatric sciences·2016
Same author

The global distribution of mental and substance use disorders: research gains and challenges.

Epidemiology and psychiatric sciences·2015
Same journal

Autoantibody associations in patients with early diffuse cutaneous systemic sclerosis: the prospective registry of early systemic sclerosis.

Seminars in arthritis and rheumatism·2026
Same journal

Effectiveness and safety of primary thromboprophylaxis in antiphospholipid antibody carriers by serological 2023 ACR/EULAR domains.

Seminars in arthritis and rheumatism·2026
Same journal

Clustering-based stratification of fibromyalgia subtypes: A comparative analysis of medicated and non-medicated cohorts from two academic centers.

Seminars in arthritis and rheumatism·2026
Same journal

Imaging techniques for assessing the hand in systemic sclerosis: a systematic review.

Seminars in arthritis and rheumatism·2026
Same journal

Evaluating unsupervised and rule-based phenotyping methods versus administrative code counts for systemic sclerosis identification.

Seminars in arthritis and rheumatism·2026
Same journal

Associations between MRI features and pain in first metatarsophalangeal joint osteoarthritis.

Seminars in arthritis and rheumatism·2026
See all related articles

This study introduces a new quantitative method for nailfold capillaroscopy, improving the objective assessment of microangiopathy. This approach establishes normal ranges and considers factors like age and gender for more accurate diagnoses.

Area of Science:

  • Dermatology
  • Microcirculation Research
  • Medical Imaging Analysis

Background:

  • Current nailfold capillaroscopy interpretation relies on subjective qualitative parameters.
  • This subjectivity hinders accurate assessment of nailfold microangiopathy extent.
  • Objective, quantitative methods are needed for reliable diagnosis.

Purpose of the Study:

  • To develop and validate a comprehensive quantitative method for nailfold capillaroscopy.
  • To objectively assess microangiopathic features like microhemorrhage and vascular changes.
  • To establish normal ranges for quantitative nailfold capillaroscopy parameters.

Main Methods:

  • Utilized several quantitative and semiquantitative parameters to evaluate microhemorrhage, plexus visibility, devascularization, and loop morphology.

Related Experiment Videos

  • Assessed method reproducibility.
  • Applied the method to 800 healthy individuals to define normal ranges.
  • Analyzed the influence of extrinsic variables (gender, ethnicity, age, local conditions).

    • Main Results:

    • A reproducible quantitative method for nailfold capillaroscopy was established.
    • Normal ranges for key microangiopathic features were determined in a large healthy cohort.
    • The impact of demographic and local factors on capillaroscopic findings was quantified.

    Conclusions:

    • The proposed quantitative method enhances the objectivity and accuracy of nailfold capillaroscopy.
    • This approach provides a reliable baseline for diagnosing and monitoring microangiopathies.
    • Understanding normal ranges and influencing factors is crucial for clinical application.