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Atherosclerosis. 1998 Apr;137(2):401-5.
Treatment of severe hypertriglyceridemia lowers plasma viscosity.

Stein JH, Rosenson RS.

Rush-Presbyterian-St. Luke's Medical Center, Preventive Cardiology Center, Lipoprotein and Hemorheology Research Facility, Chicago, IL 60612-3833, USA.

Elevated plasma viscosity is a predictor of atherosclerotic vascular disease and is a potential mechanism by which hypertriglyceridemia increases cardiovascular risk. Previous studies of plasma viscosity reduction in hypertriglyceridemic patients used medications that lowered both triglyceride and fibrinogen levels. Because fibrinogen is a major determinant of viscosity, it is unclear whether triglyceride reduction alone is sufficient to reduce plasma viscosity. The purpose of this study was to determine whether triglyceride-lowering therapy reduces plasma viscosity. This was a prospective study of 24 adult patients with severe hypertriglyceridemia (> or = 5.67 mmol/l). Fasting lipid, total serum protein, fibrinogen, plasma viscosity and serum viscosity levels were measured before and after therapy with 1200 mg/d of gemfibrozil. Triglyceride levels decreased by 70% (P < 0.001). Mean plasma and serum viscosity levels decreased by 0.082 mPa/s (P = 0.003) and 0.086 mPa/s (P = 0.013), respectively. Fibrinogen levels did not change significantly. Triglyceride-lowering therapy reduced plasma and serum viscosity without changes in fibrinogen levels. Since serum samples are deplete of fibrinogen, the serum viscosity reduction observed is corroborative evidence for an independent effect of triglyceride-lowering therapy on plasma viscosity. This observation provides a physiological rationale for triglyceride-lowering therapy in patients at risk for atherosclerotic vascular disease, the chylomicronemia syndrome and pancreatitis.

online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=9622283&dopt=Abstract




Am J Nephrol. 1998;18(3):199-203.
Lack of effect of gemfibrozil on cyclosporine blood concentrations in kidney-transplanted patients.

Pisanti N, Stanziale P, Imperatore P, D'Alessandro R, De Marino V, Capone D, De Marino V.

Department of Neurosciences, School of Medicine, Federico II University, Naples, Italy.

Forty kidney-transplanted patients with hypertriglyceridemia, under treatment with cyclosporine alone or associated with other immunosuppressive drugs, were treated with gemfibrozil. This drug, for a long-term treatment (ranging from 4 to 6 months), was able to decrease hypertriglyceridemia and did not modify either polyclonal (P) and monoclonal (M) cyclosporine blood levels or P/M ratio. These data seem to exclude an effect of gemfibrozil on cyclosporine blood concentrations. Therefore, the use of gemfibrozil in kidney-transplanted patients does not require modifications of cyclosporine dose.

online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=9627035&dopt=Abstract




J Ethnopharmacol. 1998 Jun;61(2):167-71.
The protective action of ethanolic ginger (Zingiber officinale) extract in cholesterol fed rabbits.

Bhandari U, Sharma JN, Zafar R.

Division of Pharmacology, Hamdard University, New Delhi, India.

The effects of ethanolic extract of ginger (200 mg/kg, p.o.) were studied in cholesterol fed rabbits. The marked rise in serum and tissue cholesterol, serum triglycerides, serum lipoproteins and phospholipids that followed 10 weeks of cholesterol feeding, was significantly reduced by the ethanolic ginger extract and results were compared with gemfibrozil, a standard orally effective hypolipidaemic drug. The severity of aortic atherosclerosis as judged by gross grading was more marked in pathogenic, i.e. the hypercholesterolemic group, while animals receiving ginger extract along with cholesterol showed a lower degree of atherosclerosis. The results indicate that ginger is definitely an antihyperlipidaemic agent.

online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=9683348&dopt=Abstract













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