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Measuring Disease Damage and Its Severity in Childhood-Onset Systemic Lupus Erythematosus.

Abstract：

OBJECTIVE:To describe the frequency and types of disease damage occurring with childhood-onset systemic lupus erythematosus (SLE) as measured by the 41-item Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index (SDI), and to assess the SDI's ability to reflect damage severity. METHODS:Information for the SDI was prospectively collected from 1,048 childhood-onset SLE patients. For a subset of 559 patients, physician-rated damage severity measured by visual analog scale (MD VAS damage) was also available. Frequency of SDI items and the association between SDI summary scores and MD VAS damage were estimated. Finally, an international consensus conference, using nominal group technique, considered the SDI's capture of childhood-onset SLE-associated damage and its severity. RESULTS:After a mean disease duration of 3.8 years, 44.2% of patients (463 of 1,048) already had an SDI summary score >0 (maximum 14). The most common SDI items scored were proteinuria, scarring alopecia, and cognitive impairment. Although there was a moderately strong association between SDI summary scores and MD VAS damage (Spearman's r = 0.49, P < 0.0001) in patients with damage (SDI summary score >0), mixed-effects analysis showed that only 4 SDI items, each occurring in <2% of patients overall, were significantly associated with MD VAS damage. There was consensus among childhood-onset SLE experts that the SDI in its current form is inadequate for estimating the severity of childhood-onset SLE-associated damage. CONCLUSION:Disease damage as measured by the SDI is common in childhood-onset SLE, even with relatively short disease durations. Given the shortcomings of the SDI, there is a need to develop new tools to estimate the impact of childhood-onset SLE-associated damage.

journal_name

Arthritis Care Res (Hoboken)

journal_title

Arthritis care & research

authors

Holland MJ,Beresford MW,Feldman BM,Huggins J,Norambuena X,Silva CA,Susic G,Sztajnbok F,Uziel Y,Appenzeller S,Ardoin SP,Avcin T,Flores F,Goilav B,Khubchandani R,Klein-Gitelman M,Levy D,Ravelli A,Wenderfer SE,Ying J,

doi

10.1002/acr.23531

subject

Has Abstract

pub_date

2018-11-01 00:00:00

pages

1621-1629

issue

eissn

2151-464X

issn

2151-4658

journal_volume

pub_type

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Measuring Disease Damage and Its Severity in Childhood-Onset Systemic Lupus Erythematosus.