The classification and diagnostic criteria of ankylosing spondylitis

Siba P Raychaudhuri, Atul Deodhar

Research output: Contribution to journalArticle

72 Scopus citations

Abstract

Ankylosing spondylitis is the prototype of immune-mediated inflammatory rheumatic diseases grouped under the term spondyloarthritis (SpA). An early diagnosis has now become increasingly important because effective therapies are available and anti-TNF drugs are even more effective if used in early stages of the disease. In ankylosing spondylitis, the 1984 modified New York criteria have been used widely in clinical studies and daily practice but are not applicable in early disease when the characteristic radiographic signs of sacroiliitis are not visible but active sacroiliitis is readily detectable by magnetic resonance imaging (MRI). Thus there has been a need for new classification or diagnostic criteria to identify inflammatory spondyloarthritis at early stage of the disease. This led to the concept of axial SpA to include the entire spectrum of patients with axial disease both, with and without radiographic damage. New classification criteria for the wider group of SpA have been proposed by ASAS (Assessment of Spondylo Arthritis International Society); and the patients are sub-grouped into (1) a predominantly axial disease, termed axial SpA including AS and non-radiographic axial SpA; (2) peripheral SpA. The clinical course and disease process of non-radiographic axial spondyloarthritis remains unclear. However the development of the SpA criteria by ASAS particularly for axial SpA, is an important step for early diagnosis and better management of these patients.

Original languageEnglish (US)
Pages (from-to)128-133
Number of pages6
JournalJournal of Autoimmunity
Volume48-49
DOIs
StatePublished - 2014

Keywords

  • Ankylosing spondylitis
  • Diagnosis
  • Diagnostic criteria
  • Spondyloarthropathy

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

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