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Ann Rheum Dis. 2002 Mar;61(3):219-24.

Psoriatic arthritis: performance of rheumatologists in daily practice.

Author information

1
University Hospital Maastricht, Department of Internal Medicine, Division of Rheumatology, Maastricht, The Netherlands.

Abstract

OBJECTIVES:

To assess, using standardised patients (SPs), how rheumatologists diagnose psoriatic arthritis, whether the diagnostic efficiency is influenced by specific characteristics of the rheumatologists, and to study the relationship with costs.

METHODS:

Twenty three rheumatologists were each visited by one of two SPs (one male, one female) presenting as a patient with psoriatic arthritis. SPs remained incognito for all meetings for the duration of the study. Immediately after the encounter, SPs completed case-specific checklists on the medical content of the encounter. Information on ordered laboratory and imaging tests was obtained from each hospital.

RESULTS:

Fourteen rheumatologists diagnosed psoriatic arthritis correctly. They inspected the skin for psoriatic lesions more often than those rheumatologists who established other diagnoses. Rheumatologists diagnosing psoriatic arthritis spent more on additional laboratory and imaging investigations. These were carried out after the diagnosis to confirm it and to record the extent and severity of the disease. No differences in type of practice, number of outpatients seen each week, working experience, or sex were found between rheumatologists who made the correct diagnosis and those who made other diagnoses. The correct diagnosis was more often missed by rheumatologists who saw the male SP, who presented with clear distal interphalangeal DIP joint arthritis only, causing confusion with osteoarthritis of the DIP joints.

CONCLUSION:

There is a considerable amount of variation in the delivery of care among rheumatologists who see an SP with psoriatic arthritis. Rheumatologists focusing too much on the most prominent features (DIP joint arthritis) sometimes seem to forget "the hidden (skin) symptoms".

PMID:
11830426
PMCID:
PMC1754024
[Indexed for MEDLINE]
Free PMC Article

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