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עמוד בית
Sun, 03.03.24

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June 2011
J. Freire de Carvalho, V. Santos Trindade Viana, E. Ferreira Borba Neto, R. Dias Santos and E. Bonfa

Background: Anti-lipoprotein lipase antibodies have been described in rare cases of patients with hypertriglyceridemia. However, no systematic study evaluating these antibodies in patients with this lipid abnormality has been undertaken.

Objectives: To analyze the correlation of anti-lipoprotein lipase (anti-LPL) antibodies with other laboratory findings in patients with hypertriglyceridemia but no autoimmune disease.

Methods: We evaluated 44 hypertriglyceridemic patients without autoimmune disease. Clinical and laboratory evaluations included analyses of co-morbidities, fasting lipid profile and anti-LPL antibodies.

Results: Mean patient age was 55 ± 10 years; 46% of the patients were female and 64% were Caucasian. The mean disease duration was 94.4 months and mean body mass index 28.7 ± 3.6 kg/m2; 34.0% were diabetic, 25.0% were obese, 72.7% had systemic arterial hypertension, 75% were sedentary, 15.9% were smokers, 56.8% had a family history of dyslipidemia, 45.5% had a family history of coronary insufficiency, 20.5% had acute myocardial infarction, 9.0% had undergone revascularization and 11.0% angioplasty, 79.5% were being treated with statins and 43.2% were taking fibrates. Median triglyceride levels were 254 mg/dl (range 100-3781 mg/dl), and total cholesterol level was 233 ± 111 mg/dl. High-density lipoprotein was 42.6 ± 15.4 mg/dl, low-density lipoprotein 110.7 ± 42.4 mg/dl and very low-density lipoprotein 48 ± 15 mg/dl. Anti-LPL antibodies were identified in 2 patients (4.5%), both of whom had a family history of dyslipidemia, coronary insufficiency and acute myocardial infarction; one had undergone myocardial revascularization and percutaneous transluminal coronary angioplasty, and both were using fibrates and had normal triglyceride levels.

Conclusions: Our findings demonstrate a correlation between the immune response and dyslipoproteinemia in hypertriglyceridemic patients, suggesting that autoimmune disease contributes to the dyslipidemia process.

October 2009
J. Freire de Carvalho, R.M. Rodrigues Pereira and M.E. Gershwin

Approximately 1 in 31 people suffers from an autoimmune disease. The clinical care of patients with autoimmunity crosses multiple disciplines within pediatrics and internal medicine, including, for example, allergy-clinical immunology, rheumatology, nephrology, hematology, pulmonology and neurology. There are two major areas that are considered in the analysis of autoimmunity in human patients. The first of course is etiology and the second, and of even greater importance, is therapy. Towards that end, considerable attention has focused on the role of hematopoietic stem cell transplantation to either reverse or modulate autoimmune disease. Indeed, it is a field that has far more promise than premise based on a variety of issues, including economics, health care delivery, and obviously efficacy and safety. To put this in perspective, we have attempted to review some of the issues that pertain to this novel approach to the management of autoimmunity. Finally, we emphasize the need to incorporate basic research into therapeutic trials, a vacuum all too often present in clinical intervention.


August 2009
J. Freire de Carvalho, A.C. de Medeiros Ribeiro, J.C. Bertacini de Moraes, C. Gonçalves, C. Goldenstein-Schainberg and E. Bonfá
March 2008
January 2008
M. Szyper-Kravitz, A. Altman, J.F. de Carvalho, F. Bellisai, M. Galeazzi, Y. Eshet and Y. Shoenfeld

The antiphospholipid syndrome is characterized by recurrent fetal loss, venous and/or arterial thrombosis, and thrombocytopenia associated with elevated titers of lupus anticoagulant and anticardiolipin antibodies. Although thrombosis is the characteristic vascular involvement in APS[1], the development of vascular aneurysms in patients with APS has been reported. We describe four patients with established APS, who developed abdominal aortic aneurysm, and review the literature on previous published cases of arterial aneurysms developing in patients with APS. In addition, we discuss the possible pathophysiological association between APS and the development of this vascular abnormality.

[1] APS = antiphospholipid syndrome

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