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Query: UMLS:C0024141 (systemic lupus erythematosus)
 44,322 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Systemic lupus erythematosus is a chronic inflammatory disorder that predisposes to acute coronary thrombosis. To demonstrate how the pathophysiology of lupus-mediated coronary events may be unique, we offer the case and management of a young woman with lupus who presented with acute myocardial infarction. She was initially managed with medical therapy including the standard regimen of aspirin, heparin, and clopidogrel. Despite a Thrombolysis in Myocardial Infarction risk score of only 2, she was also given eptifibatide infusion because of clinical concerns. Repeated cardiac catheterization showed marked regression of the thrombus, and coronary fractional flow reserve calculation demonstrated full recovery of coronary vasculature with this therapy. This case demonstrates effective management of life-threatening coronary thrombosis with medical therapy only in a young woman with lupus. We briefly review the pathophysiology of acute coronary thrombosis in lupus patients and distinguish this from the more common process of age-related atherosclerosis. Given the lack of evidence in this specific population, we discuss a pathophysiology-based clinical decision-making tool. Assessing clinical risk factors and using technologies such as intravascular ultrasound can help make the correct treatment decision.
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PMID:Effective management of acute coronary thrombosis in a young woman with lupus using aggressive medical therapy. 2141 97

A 33-year-old male with systemic lupus erythematosus (SLE) presented with acute abdominal pain and was found to have lupus mesenteric vasculitis on imaging and during exploratory laparotomy. Post laparotomy he continued to have persistent nausea and dyspepsia and an electrocardiogram showed evidence of an inferior ST elevation myocardial infarction (STEMI). Emergency cardiac catheterization showed evidence of thrombotic right coronary artery occlusion. His coronaries were otherwise normal with no evidence of underlying coronary artery disease. Extensive workup with trans-esophageal echo, serologies for antiphospholipid antibody syndrome (APS) and bubble study was negative. This effectively ruled out Libman-Sacks endocarditis, APS-induced arterial thrombus and paradoxical emboli as potential causes of his STEMI. By exclusion of other causes, the etiology of his STEMI was felt to be secondary to in-situ coronary artery thrombosis in the setting of active SLE. To the best of our knowledge, this is the first report of a patient with SLE presenting with both lupus mesenteric vasculitis and in-situ coronary arterial thrombosis in the absence of APS.
Lupus 2015 Jul
PMID:Spontaneous coronary artery thrombosis in the setting of active lupus mesenteric vasculitis. 2567 73


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