Underestimation of Risk of Carotid Subclinical Atherosclerosis by Cardiovascular Risk Scores in Patients with Psoriatic Arthritis
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AbstractObjective. To test the performances of established cardiovascular (CV) risk scores in discriminating subclinical atherosclerosis (SCA) in patients with psoriatic arthritis.

Methods. These scores were calculated: Framingham risk score (FRS), QRISK2, Systematic COronary Risk Evaluation (SCORE), 10-year atherosclerotic cardiovascular disease risk algorithm (ASCVD) from the American College of Cardiology and the American Heart Association, and the European League Against Rheumatism (EULAR)–recommended modified versions (by 1.5 multiplication factor, m-). Carotid intima-media thickness > 0.9 mm and/or the presence of plaque determined by ultrasound were classified as SCA+.

Results. We recruited 146 patients [49.4 ± 10.2 yrs, male: 90 (61.6%)], of whom 142/137/128/118 patients were eligible to calculate FRS/QRISK2/SCORE/ASCVD. Further, 62 (42.5%) patients were SCA+ and were significantly older, with higher systolic blood pressure and higher low-density lipoprotein cholesterol (all p < 0.05). All CV risk scores were significantly higher in patients with SCA+ [FRS: 7.8 (3.9–16.5) vs 2.7 (1.1–7.8), p < 0.001; QRISK2: 5.5 (3.1–10.2) vs 2.9 (1.2–6.3), p < 0.001; SCORE: 1 (0–2) vs 0 (0–1), p < 0.001; ASCVD: 5.6 (2.6–12.4) vs 3.4 (1.4–6.1), p = 0.001]. The Hosmer-Lemeshow test revealed moderate goodness of fit for the 4 CV scores (p ranged from 0.087 to 0.686). However, of the patients with SCA+, those identified as high risk were only 44.1% (by FRS > 10%), 1.8% (QRISK2 > 20%), 10.9% (SCORE > 5%), and 43.6% (ASCVD > 7.5%). By applying the EULAR multiplication factor, 50.8%/14.3%/14.5%/54.5% of the patients with SCA+ were identified as high risk by m-FRS/m-QRISK2/m-SCORE/m-ASCVD, respectively. EULAR modification increased the sensitivity of FRS and ASCVD in discriminating SCA+ from 44% to 51%, and 44% to 55%, respectively.

Conclusion. All CV risk scores underestimated the SCA+ risk. EULAR–recommended modification improved the sensitivity of FRS and ASCVD only to a moderate level.
All Author(s) ListJiayun Shen, Steven H. Lam, Qing Shang, Chun-Kwok Wong, Edmund K. Li, Priscilla Wong, Emily W. Kun, Isaac T. Cheng, Martin Li, Tena K. Li, Tracy Y. Zhu, Jack Jock-Wai Lee, Mimi Chang, Alex Pui-Wai Lee, Lai-Shan Tam
Journal nameJournal of Rheumatology
Volume Number45
Issue Number2
Pages218 - 226
LanguagesEnglish-United Kingdom
KeywordsPsoriatic Arthritis, Atherosclerosis, Cardiovascular Diseases, Risk Scores

Last updated on 2020-27-09 at 02:46