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[Systemic lupus erythematosus in men--a different prognosis?]
C Specker1, A Becker, H J Lakomek
1Abteilung für Endokrinologie und Rheumatologie, Heinrich Heine-Universität Düsseldorf.
Insights
Systemic lupus erythematosus (SLE) shows significant sex-linked differences. Males experience more severe organ involvement, particularly cardiac and renal issues, and a higher prevalence of life-threatening thrombotic complications.
Area of Science:
- Rheumatology
- Immunology
- Internal Medicine
Context:
- Systemic lupus erythematosus (SLE) is a chronic autoimmune disease with diverse clinical presentations.
- Understanding sex-linked differences in SLE is crucial for tailored patient management and treatment strategies.
Purpose:
- This study aimed to identify and analyze sex-based disparities in the organ manifestations and clinical outcomes of SLE patients.
- To investigate the correlation between sex and the frequency and severity of SLE-related complications, including thrombotic events and autoantibody profiles.
Summary:
- A retrospective analysis of 21 male and 82 female SLE patients revealed significant sex-linked differences in disease presentation.
- Male patients exhibited higher rates of cardiac (57% vs 22%) and renal involvement (76% vs 32%), with a notably higher incidence of end-stage renal disease (24% vs 7%).
- Strikingly, males showed a significantly higher frequency of thrombembolic complications (57% vs 6%) and elevated IgG-anti-cardiolipin antibodies (48% vs 16%) compared to females.
Impact:
- The findings highlight that male SLE patients face more severe organ damage and a substantially higher risk of potentially fatal thrombotic events.
- These results underscore the importance of considering sex as a critical factor in the clinical assessment, risk stratification, and therapeutic approaches for SLE.
- Further research into the underlying mechanisms driving these sex-based differences in SLE pathogenesis and clinical course is warranted.
Abstract:
A retrospective analysis of 21 male and 82 female patients with systemic lupus erythematosus (SLE) was performed in order to identify sex-linked differences in disease manifestations. As organ manifestation, cardiac involvement was assessed in 12 of 21 male patients (57%) and in 18 of 82 females (22%; p < 0.05). Renal involvement occurred in 16 male (76%) vs 26 female patients (32%; p < 0.05). Endstage renal disease developed in 5 of the 21 men (24%), but only in 6 of the 82 women (7%) with SLE. The most striking clinical result was the high frequency of thrombembolic complications in male SLE-patients. Twelve out of 21 males (57%) experienced more than 30 thrombembolic events in contrast to 9 events in 5 out of 82 females (6%; p < 0.0001). Persisting elevated IgG-anti-cardiolipin antibodies were found in 48% of male and only 16% of female patients (p < 0.05). In conclusion, these data suggest that SLE in males is characterized by more frequent and severe organ involvement and especially by striking prevalence of partly life-threatening thrombembolic complications.