ANA Multiplex Utilization Across a Large Federal Hospital System; An Investigation of Ordering Practices and Rheumatologic Outcomes.

IF 3.6 2区 医学 Q2 RHEUMATOLOGY
Hamish Patel, David DeMasters, Jeanne Tofferi
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引用次数: 0

Abstract

Objective: To understand the ordering patterns of the antinuclear antibody (ANA) multiplex testing in a single, large Department of Defense (DoD) tertiary healthcare system.

Methods: Records of patients with an ANA multiplex assay ordered over a one-year period were evaluated in a large DoD hospital system. Duplicate tests and patients with a previously established Autoimmune Rheumatic Disease (ARD) prior to the year of study were excluded. The remaining 2,499 patients' charts were reviewed for clinical presentation, ordering specialty, ordering rationale, and whether subsequent rheumatology evaluations resulted in a new ARD diagnosis.

Results: The ANA multiplex assay was ordered most often by primary care and medicine subspecialties for over 100 reasons. In the ANA multiplex assay negative group n = 37/2,228,1.66% individuals were diagnosed with a new ARD. In the ANA multiplex assay positive group n = 37/271, 13.7% individuals were diagnosed with a new ARD. Sjögren disease, systemic lupus erythematosus, and undifferentiated connective tissue disease were the most common newly diagnosed ARDs in the ANA multiplex assay positive group. Rheumatoid arthritis and seronegative spondyloarthritis were the most common new ARD diagnoses in the ANA multiplex assay negative group. In this study, 97% of the ordered ANA assays did not lead to an ARD diagnosis.

Conclusion: This study demonstrates frequent utilization of the ANA multiplex assay in the evaluation of non-specific signs and symptoms with a low rate of ANA associated ARDs suggesting a need for implementation of strategies to improve understanding of appropriate clinical contexts that warrant ANA testing.

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来源期刊
Journal of Rheumatology
Journal of Rheumatology 医学-风湿病学
CiteScore
6.50
自引率
5.10%
发文量
285
审稿时长
1 months
期刊介绍: The Journal of Rheumatology is a monthly international serial edited by Earl D. Silverman. The Journal features research articles on clinical subjects from scientists working in rheumatology and related fields, as well as proceedings of meetings as supplements to regular issues. Highlights of our 41 years serving Rheumatology include: groundbreaking and provocative editorials such as "Inverting the Pyramid," renowned Pediatric Rheumatology, proceedings of OMERACT and the Canadian Rheumatology Association, Cochrane Musculoskeletal Reviews, and supplements on emerging therapies.
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