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J Med Assoc Thai. 2016 Mar;99(3):290-300.

Lupus Damage and Waist Circumference as the Independent Risk Factors for Cardiovascular Disease in SLE Patients from Phramongkutklao Hospital.

Abstract

BACKGROUND:

Cardiovascular disease (CVD) has been reported to be a major cause of both morbidity and premature mortality in systemic lupus erythematosus (SLE) patients.

OBJECTIVE:

To determine the prevalence of cardiovascular disease and associated risk factors in Thai SLE patients from Phramongkutklao Hospital, Thailand.

MATERIAL AND METHOD:

A retrospective cross-sectional study was performed to investigate the frequency of CVD in SLE patients in Phramongkutklao Hospital on the basis of medical record documentation. CVD was defined as coronary heart disease, congestive heart failure, cerebrovascular disease (stroke), transient ischemic attack, and peripheral arterial disease (PAD). The associated risk factors of CVD were examined by univariate and multivariate logistic regression analyses.

RESULTS:

One hundred fifty nine SLE patients were enrolled in the present study. Nine female and one male SLE patients had CVD (prevalence 6.3%). SLE patients with CVD had higher Systemic Lupus International Collaborating Clinics Damage Index (SDI) score (p-value = 0.025) and received higher average dose of corticosteroid (p-value = 0.034) than SLE patients without CVD. Patients with CVD were more likely to present with malar rash (p-value = 0.054), discoid rash (p-value = 0.047), and more likely to used cyclophosphamide (p-value = 0.045) than patients without CVD. SLE patients with CVD were more likely to have diabetes mellitus (p-value = 0.037), antiphospholipid syndrome (p-value = 0.055), and had higher proportion of patients whose waist circumference more than 90 centimeters in male or more than 80 centimeters in female (p-value = 0.06) than SLE patients without CVD. The presence of antiphospholipid antibodies was higher in SLE patients with CVD than SLE patients without CVD (p-value = 0.076). The multivariate regression analysis identified that SDI score (odds ratio (OR) = 1.74 with 95% confidence interval (CI) 1.12-2.69, p-value = 0.013), and waist circumference more than 90 centimeters in male or more than 80 centimeters in female (OR = 6.9 with 95% CI 1.20-38.46, p-value = 0.031) were independently associated risk factors for the occurrence of CVD in SLE patients. The presence of antiphospholipid antibodies also had a trend toward increased risk of CVD in SLE patients (OR = 4.1 with 95% CI 0.96-17.8, p-value = 0.057).

CONCLUSION:

Lupus damage, waist circumference more than 90 centimeters in male or more than 80 centimeters in female were the independent risk factors for CVD in SLE patients.

PMID:
27276740
[Indexed for MEDLINE]

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