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1.
Atheroscler Suppl ; 10(5): 34-8, 2009 Dec 29.
Article in English | MEDLINE | ID: mdl-20129371

ABSTRACT

OBJECTIVE AND METHODS: Dyslipidemia and oxidative stress are causally related to atherogenesis and cardiovascular disease. We assessed acute changes of systemic oxidative stress biomarkers in thirty-two patients undergoing regular apheresis using four different techniques: heparin-induced extracorporeal LDL precipitation (HELP), direct adsorption of lipoproteins (DALI), lipidfiltration (LF), and immunoadsorption of lipoproteins (IA). RESULTS: All apheresis procedures were similarly effective in lowering LDL cholesterol (-2.5+/-0.2 mmoL/L), oxidized LDL (-52.4+/-4.4 U/L), and levels of antioxLDL antibodies (-59.5+/-15.1 U/L). Among the LDL-apheresis methods investigated, only the DALI technique without prior separation of blood plasma led to a decline in leukocyte count (p=0.01 vs. LF post apheresis) and to decreased phagocyte oxidant-generating activity as evaluated by chemiluminescence. Moreover, DALI was followed by a smaller decrease of blood total antioxidant capacity than the other techniques (p<0.01 vs. HELP post apheresis). CONCLUSION: Together, our data suggest that compared with other common techniques, the DALI apheresis system is accompanied by the lowest systemic oxidative burden evoked by a single apheresis treatment.


Subject(s)
Blood Component Removal/methods , Cholesterol, LDL/blood , Hyperlipidemias/therapy , Lipoproteins, LDL/blood , Oxidative Stress , Aged , Analysis of Variance , Biomarkers/blood , Blood Component Removal/adverse effects , Down-Regulation , Female , Humans , Hyperlipidemias/blood , Immunosorbent Techniques , Male , Middle Aged , Treatment Outcome
2.
Expert Rev Cardiovasc Ther ; 6(5): 629-39, 2008 Jun.
Article in English | MEDLINE | ID: mdl-18510481

ABSTRACT

This article presents the generally accepted indications for LDL apheresis treatment. The available LDL apheresis methods differ with respect to acute relative reductions of LDL cholesterol; mean values after the LDL apheresis treatments are not different. Serum triglycerides, HDL-cholesterol, and lipoprotein(a) are also acutely reduced. Available LDL apheresis methods differ with respect to their impact on the coagulation system, on C-reactive protein and on leukocyte count. Cardiovascular events are clearly reduced by the LDL apheresis methods. There is an urgent need to prospectively compare the different LDL apheresis methods taking into account hard end points. The lower target values for LDL cholesterol suggested by international guidelines for high-risk patients will certainly require a more widespread use of LDL apheresis.


Subject(s)
Atherosclerosis/prevention & control , Blood Component Removal/methods , Cholesterol, LDL/blood , Hyperlipoproteinemia Type II/therapy , Atherosclerosis/blood , C-Reactive Protein/metabolism , Cardiovascular Diseases/prevention & control , Cholesterol, HDL/blood , Female , Humans , Hyperlipoproteinemia Type II/diagnosis , Leukocyte Count , Male , Randomized Controlled Trials as Topic , Risk Assessment , Sensitivity and Specificity , Treatment Outcome
3.
J Dtsch Dermatol Ges ; 6(8): 661-3, 2008 Aug.
Article in English, German | MEDLINE | ID: mdl-18371053

ABSTRACT

Pemphigus vulgaris (PV) is caused by autoantibodies to desmogleins. Standard immunosuppressive therapy may be limited by concomitant diseases or ineffective.In these cases, removal of circulating antibodies by immunoadsorption can induce remission. An 87-year-old woman with PV and considerable co-morbidities suffered from extensive mucous membrane erosions and bouts of skin blistering refractory to treatment with methotrexate,as well as mycopheno-late mofetil and corticosteroids even when combined with plasmapheresis and intravenous immunoglobulin. Adjuvant immunoadsorption therapy with the TheraSorbtrade mark columns-first weekly, than monthly-induced a complete remission, as well as a parallel decrease in PV antibody titers. Continued therapy for 18 months kept the patient in remission but for one infection-related relapse, and remission has been stable over two further years on low-dose methotrex-ate monotherapy. This case confirms the clinical efficacy of immunoad-sorption in PV and adds another type of adsorber column to the armamentarium, which is useful to the dermatologist who has to cooperate with local lipid apheresis or dialysis units.


Subject(s)
Immunosorbent Techniques , Pemphigus/diagnosis , Pemphigus/therapy , Aged, 80 and over , Female , Humans , Treatment Outcome
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