Fourth Department of Internal Medicine, Medical School, Hippokration General Hospital, Aristotle University of Thessaloniki, Konstantinoupoleos Str. 49, Thessaloníki, Greece.
GKT School of Medical Education, King's College London, London, UK.
Rheumatol Int. 2020 Dec;40(12):1997-2004. doi: 10.1007/s00296-020-04677-3. Epub 2020 Aug 8.
Systemic autoimmune inflammatory disorders confer a higher risk of cardiovascular (CV) disease leading to increased morbidity and mortality and reduced life expectancy compared to the general population. CV risk in systemic sclerosis (SSc) has not been studied extensively but surrogate markers of atherosclerosis namely carotid intima media thickness (cIMT) and pulse wave velocity (PWV) are impaired in some but not all studies in SSc patients. The aim of this study was to investigate the prevalence of subclinical atherosclerosis assessed by cIMT and PWV between two well-characterized SSc and Rheumatoid Arthritis (RA) cohorts. Consecutive SSc patients attending the Scleroderma Clinic were compared with RA patients recruited in the Dudley Rheumatoid Arthritis Co-morbidity Cohort (DRACCO), a prospective study examining CV burden in RA. Augmentation Index (Aix75) and cIMT were measured in all participants. Propensity score matching was utilised to select patients from the two cohorts with similar demographic characteristics, CV risk factors and inflammatory load. Unpaired analysis was performed using unpaired t test for continuous variables and χ test for dichotomous variables. Statistical analysis was repeated using paired t test for continuous normal variables and McNemar's test for dichotomous variables. Fifty five age- and sex-matched SSc and RA patients were included in the analysis. No difference was demonstrated between SSc and RA subjects regarding cIMT (0.66 mm vs 0.63 mm, respectively) and Aix75% measurements (33.4 vs 31.7, respectively) neither in paired (p = 0.623 for cIMT and p = 0.204 for Aix%) nor in unpaired t test analysis (p = 0.137 for cIMT and p = 0.397 for AIx%). The results of this comparative study show that subclinical atherosclerosis is comparable between SSc and RA, a systemic disease with well-defined high atherosclerotic burden. Such findings underscore the importance of CV risk management in SSc in parallel with other disease-related manifestations.
系统性自身免疫性炎症性疾病导致心血管(CV)疾病的风险增加,与普通人群相比,发病率和死亡率更高,预期寿命更短。系统性硬化症(SSc)的 CV 风险尚未得到广泛研究,但动脉粥样硬化的替代标志物,即颈动脉内膜中层厚度(cIMT)和脉搏波速度(PWV)在一些 SSc 患者的研究中受损,但并非所有研究均受损。本研究旨在通过 cIMT 和 PWV 评估两种特征明确的 SSc 和类风湿关节炎(RA)队列的亚临床动脉粥样硬化的患病率。连续就诊于硬皮病诊所的 SSc 患者与在 Dudley 类风湿关节炎合并症队列(DRACCO)中招募的 RA 患者进行比较,该前瞻性研究检查了 RA 的 CV 负担。所有参与者均测量了增强指数(Aix75)和 cIMT。利用倾向评分匹配从两个队列中选择具有相似人口统计学特征,CV 危险因素和炎症负荷的患者。使用配对 t 检验进行连续正态变量的未配对分析和二项变量的 χ 检验。重复使用配对 t 检验进行连续正态变量和 McNemar 检验进行二项变量的统计分析。在分析中纳入了 55 名年龄和性别匹配的 SSc 和 RA 患者。在配对分析中,SSc 和 RA 患者的 cIMT(分别为 0.66mm 和 0.63mm)和 Aix75%测量值(分别为 33.4%和 31.7%)均无差异(p=0.623 用于 cIMT 和 p=0.204 用于 Aix%)。在未配对 t 检验分析中也没有差异(p=0.137 用于 cIMT 和 p=0.397 用于 AIx%)。这项比较研究的结果表明,SSc 和 RA 之间的亚临床动脉粥样硬化是可比的,RA 是一种系统性疾病,具有明确的高动脉粥样硬化负担。这些发现强调了在 SSc 中与其他疾病相关表现并行进行 CV 风险管理的重要性。
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