Overall, the risk of having fatty deposits (plaques) in the carotid arteries that deliver blood to the brain due to atherosclerosis was increased by a factor of 8 times in those lupus patients who had a biomarker known as High Sensitivity Cardiac Troponin T (HS-cTnT) in their blood.<\/p>\n
Premature CVD is much more common in young premenopausal women with lupus than healthy women of a similar age. With the increased life expectancy of lupus patients due to improved therapy, CVD has emerged as a significant threat to their health. CVD is a major cause of death and ill-health in lupus patients. Using traditional risk factors as the ‘Framingham score’ has previously underestimated the risk of CVD in this population.<\/p>\n
“The results of our study raise the possibility that this easily measured biomarker could be introduced into clinical practice as a more reliable way of evaluating CVD risk in lupus patients,” said lead author Dr. Karim Sacre, from the Bichat Hospital, Paris, France. “This in turn will enable more effective primary prevention measures such as treating abnormally raised blood lipids to be implemented,” he added.<\/p>\n
Using vascular ultrasound, 23 out of 63 (36.5%) consecutive lupus patients were found to have signs of carotid plaques compared to only 2 out of 18 (11.1%) of a control group. None of these patients nor the controls had symptoms of CVD and they all had a low Framingham risk factor score. Only age (p=0.006) and lupus disease status (p=0.017) were independently associated with the presence of carotid plaques.<\/p>\n
The percentage of lupus patients with carotid plaques who had a detectable HS-cTnT was 87%; only 42.5% of lupus patients without plaques had a detectable blood level of HS-cTnT (p0.001). Conversely, 54.5% of lupus patients with a detectable HS-cTnT, but only 11.5% with an undetectable HS-cTnT had a carotid plaque (p0.001).<\/p>\n
“Before introducing this new biomarker into clinical practice, we are conducting further research to confirm our findings on a larger cohort of patients, with a longer follow up period, analysing not only carotid plaques, but also the occurrence of major cardiovascular events,” Dr. Sacre concluded.<\/p>\n
Lupus (Systemic Lupus Erythematosus) is a genetically complex chronic relapsing immune mediated rheumatic disease characterised by inflammation that may affect different tissues, including the skin, joint linings, lungs, kidneys and other organs. Lupus predominately affects women, occurring 10 times more often than in men, and frequently starting at child-bearing age. The disease is highly variable in the way it may present, and in its outcome among individuals and across different ancestral groups.<\/p>\n
Article source: https:\/\/www.sciencedaily.com\/releases\/2017\/06\/170616143915.htm<\/p>","protected":false},"excerpt":{"rendered":"
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