Scleroderma renal crisis: Risk factors for an increasingly rare organ complication
Research output: Contribution to journal › Research article › Contributed › peer-review
Contributors
Abstract
Objective. Scleroderma renal crisis (SRC) is a severe life-threatening manifestation in patients with systemic sclerosis (SSc). However, the knowledge about risk factors for SRC is limited. We determined here the frequency of SRC and identified risk factors for the prediction of SRC. Methods. Based on regular followup data from the German Network for Systemic Scleroderma, we used univariate and multivariate generalized estimating equations to analyze the association between clinical variables, SSc subsets, therapy [i.e., angiotensin-converting enzyme inhibitors (ACEi), corticosteroids], and the occurrence of SRC. Results. Data of 2873 patients with 10,425 visits were available for analysis with a mean number of registry visits of 3.6 ± 2.8 and a mean time of followup of 3.6 ± 3.8 years. In total, 70 patients developed SRC (70/2873, 2.4%). Of these patients, 57.1% (40/70) were diagnosed with diffuse cutaneous SSc, 31.4% (22/70) with limited cutaneous SSc, and 11.4% (8/70) with SSc-overlap syndromes. Predictive independent factors with the highest probability for SRC were positive anti-RNA polymerase antibodies (RNAP), a history of proteinuria prior to SRC onset, diminished DLCO, and a history of hypertension. Interestingly, positive antitopoisomerase autoantibodies did not predict a higher risk for SRC. Further, patients with SRC were significantly more frequently treated with ACEi and corticosteroids without being independently associated with SRC. Conclusion. In this cohort, SRC has become a rare complication. By far the highest risk for SRC was associated with the detection of anti-RNAP and proteinuria.
Details
Original language | English |
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Pages (from-to) | 241-248 |
Number of pages | 8 |
Journal | Journal of rheumatology |
Volume | 47 |
Issue number | 2 |
Publication status | Published - 1 Feb 2020 |
Peer-reviewed | Yes |
External IDs
PubMed | 30936287 |
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ORCID | /0000-0002-4330-1861/work/151982038 |
Keywords
ASJC Scopus subject areas
Keywords
- German network for systemic scleroderma, Renal crisis, Scleroderma, Scleroderma renal crisis, Systemic sclerosis