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Comparative Study
. 2014 Jun 5:4:5110.
doi: 10.1038/srep05110.

Risk of stroke in patients with rheumatism: a nationwide longitudinal population-based study

Tsan-Hon Liou  1 , Shih-Wei Huang  2 , Jia-Wei Lin  3 , Yu-Sheng Chang  4 , Chin-Wen Wu  5 , Hui-Wen Lin  6
Affiliations
Comparative Study

Risk of stroke in patients with rheumatism: a nationwide longitudinal population-based study

Tsan-Hon Liou et al. Sci Rep. .

Abstract

The aim of this study was to investigate rheumatoid arthritis (RA), and systemic lupus erythematous (SLE) as risk factors for stroke. The study was analyzed by Using the Taiwan Longitudinal Health Insurance Database 2005 (LHID2005), this cohort study investigated patients with a recorded diagnosis of RA (N = 6114), and SLE (N = 621) between January 1, 2004, and December 31, 2007, with age-matched controls (1:4) (for RA, N = 24456; SLE, N = 2484). We used Cox proportional-hazard regressions to evaluate the hazard ratios (HRs) after adjusting confounding factors. Our study found 383 of 6114 RA patients, experienced stroke during the 20267 person-year follow-up period. The adjusted HR of stroke for RA patients was 1.24 (95% CI, 1.11 to 1.39), and for SLE patients was 1.88 (95% CI, 1.08 to 3.27). When steroid was added as additional confounding factor, the adjusted HR of ischemic stroke for RA patients was 1.32 (95% CI, 1.15 to 1.50), and for SLE patients was 1.31 (95% CI, 0.51 to 3.34). In conclusion, the rheumatic diseases of RA, and SLE are all risk factors for stroke. After controlled the effect of steroid prescription, RA is risk factor for ischemic stroke.

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Figures

Figure 1
Figure 1. Plot of stroke hazard curves based on the Cox model analysis for patients with RA and SLE and comparison cohort after adjustment for age, sex, diabetes mellitus, hypertension, coronary heart diseases, hyperlipidemia, congestive heart failure, hypercoagulability, renal disease, atrial fibrillation, valvular heart disease, Aspirin use, Hydroxychloroquine use and NSAIDs use.
Figure 2
Figure 2. Plot of ischemic stroke hazard curves based on the Cox model analysis for patients with RA and SLE with or without steroid usage and comparison cohort after adjustment for age, sex, diabetes mellitus, hypertension, coronary heart diseases, hyperlipidemia, congestive heart failure, hypercoagulability, renal disease, atrial fibrillation, valvular heart disease, Aspirin use, Hydroxychloroquine use and NSAIDs use.
See this image and copyright information in PMC

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