ABSTRACT
OBJECTIVE: Scientific evidence is lacking for the antiarthritic efficacy of turmeric dietary supplements that are being promoted for arthritis treatment. Therefore, we undertook studies to determine the antiarthritic efficacy and mechanism of action of a well-characterized turmeric extract using an animal model of rheumatoid arthritis (RA). METHODS: The composition of commercial turmeric dietary supplements was determined by high-performance liquid chromatography. A curcuminoid-containing turmeric extract similar in composition to these supplements was isolated and administered intraperitoneally to female Lewis rats prior to or after the onset of streptococcal cell wall-induced arthritis. Efficacy in preventing joint swelling and destruction was determined clinically, histologically, and by measurement of bone mineral density. Mechanism of action was elucidated by analysis of turmeric's effect on articular transcription factor activation, microarray analysis of articular gene expression, and verification of the physiologic effects of alterations in gene expression. RESULTS: A turmeric fraction depleted of essential oils profoundly inhibited joint inflammation and periarticular joint destruction in a dose-dependent manner. In vivo treatment prevented local activation of NF-kappaB and the subsequent expression of NF-kappaB-regulated genes mediating joint inflammation and destruction, including chemokines, cyclooxygenase 2, and RANKL. Consistent with these findings, inflammatory cell influx, joint levels of prostaglandin E(2), and periarticular osteoclast formation were inhibited by turmeric extract treatment. CONCLUSION: These translational studies demonstrate in vivo efficacy and identify a mechanism of action for a well-characterized turmeric extract that supports further clinical evaluation of turmeric dietary supplements in the treatment of RA.
Subject(s)
Antioxidants/pharmacology , Arthritis, Experimental/drug therapy , Plant Extracts/pharmacology , Animals , Arthritis, Experimental/pathology , Bacterial Outer Membrane Proteins/pharmacology , Curcuma , Dietary Supplements , Dinoprostone/metabolism , Disease Models, Animal , Female , Gene Expression/drug effects , Granuloma/drug therapy , Granuloma/pathology , Joints/metabolism , Joints/pathology , Liver/pathology , Monocytes/drug effects , Monocytes/pathology , NF-kappa B/metabolism , Neutrophils/drug effects , Neutrophils/pathology , Osteoclasts/drug effects , Osteoclasts/pathology , Rats , Rats, Inbred Lew , Rhizome/chemistry , Spleen/pathology , StreptococcusABSTRACT
BACKGROUND: The aim of surgical correction of congenital heart disease is for the patient to live a relatively normal life, including potential pregnancy and childbirth. The Rastelli repair operation using a valved conduit for certain complex congenital heart lesions has resulted in survival into adult life. AIMS: We reviewed reproductive outcome of 22 women over 18 years of age who were survivors of the Rastelli operation performed between 1977 and 1999. RESULTS: Six women had a total of 12 pregnancies with six live births. Three women, with complex transposition of the great arteries, developed more severe subaortic obstruction during pregnancy. All required further heart surgery. Delivery was by Caesarean section in three patients and vaginally in the other three. All infants were healthy and free from defects. Two women had tubal ligations because of their cardiac problems. CONCLUSIONS: Women who have had Rastelli repair operation for complex congenital heart disease can have successful pregnancies. Subaortic stenosis can become a problem and should ideally be eliminated before pregnancy. Because of multiple operations, complications and genetic concerns, some women choose not to reproduce. Careful cardiac evaluation before, during and after pregnancy is essential.
Subject(s)
Cardiovascular Surgical Procedures , Heart Defects, Congenital/surgery , Pregnancy Complications, Cardiovascular/etiology , Pregnancy Outcome , Adolescent , Adult , Female , Humans , Pregnancy , Pregnancy Complications, Cardiovascular/surgery , Reoperation , Retrospective Studies , Risk FactorsABSTRACT
BACKGROUND: Little information exists regarding mid-term and long-term patency of radial artery grafts. METHODS AND RESULTS: We performed restudy coronary angiography at 5.2+/-0.4 years after surgery on 50 asymptomatic patients who had undergone coronary artery bypass graft surgery, using at least 1 radial artery graft, to determine both graft patency and presence of narrowing. We examined preoperative clinical or angiographic variables that might predict graft occlusion. Radial artery graft patency was 89%, with 91% of grafts free of narrowing. Preoperative New York Heart Association anginal class < or =2, target vessel proximal stenosis < or =70%, and small target vessel supply territory were predictive of graft occlusion. CONCLUSIONS: At 5 years after surgery, radial artery grafts have disease-free patency rates that are similar to other graft types.
