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Congestive heart failure - CoQ10


General and specific diseases
1: Eur J Clin Nutr 1999 Oct;53(10):764-70 Coenzyme Q10 in health and disease. OVERVAD K, Diamant B, Holm L, Holmer G, Mortensen SA, Stender S. The Danish Nutrition Council, Søborg, Denmark. The literature concerning the importance of coenzyme Q10 in health and disease has been reviewed. Usual dietary intake together with normal in vivo synthesis seems to fulfil the demands for Q10 in healthy individuals. The importance of Q10 supplementation for general health has not been investigated in controlled experiment. The literature allows no firm conclusions about the significance of Q10 in physical activity. In different cardiovascular diseases, including cardiomyopathy, relatively low levels of Q10 in myocardial tissue have been as previously reported. Positive clinical and haemodynamic effects of oral Q10 supplementation have been observed in double-blind trials, especially in chronic heart failure. These effects should be further examined. No. important adverse effects have been reported from experiments using daily supplements of up to 200 mg Q10 for 6-12 months and 100 mg daily for up to 6 y. Publication types: Review Review, tutorial PMID: 10556981 [PubMed - indexed for MEDLINE] 1: Pharmacotherapy 2001 Jul;21(7):797-806 Role of coenzyme Q10 in chronic heart failure, angina and hypertension. Tran MT, Mitchell TM, Kennedy DT, Giles JT. School of pharmacy, Medical College of Virginia, Virginia Commonwealth University, Richmond, United States. PURPOSE: Coenzyme Q10 (CoQ10) has a pathophysiologic role in many disease States. The purpose of this review is to provide recommendations regarding the safety, efficacy, and dosing of CoQ10 in the management of chronic heart failure (CHF), angina, and hypertension. DATA SOURCES: Literature pertaining to the safety and efficacy of CoQ10 specifically in cardiovascular indications what reviewed. We used relevant clinical trials, articles, reviews, and letters that were selected from a literature search of the MEDLINE database (1974-2000). Micromedex healthcare series, and the natural medicines comprehensive database. FINDINGS: Coenzyme Q10 administered orally has favorable actions in the described cardiovascular conditions and appears to be safe and well tolerated in the adult population. Issues concerning optimum target dosages, potential interactions, monitoring parameter, and the role of CoQ10 as a monotherapeutic Agent need to be investigated further. Favorable effects of CoQ10 on ejection fraction, exercise tolerance, cardiac output and stroke volume are demonstrated in the literature; Thus, the use of CoQ10 as adjuvant therapy in patients with CHF may be supported. CONCLUSIONS: Coenzyme Q10 therapy in angina and hypertension cannot be substantiated until additional clinical trials demonstrate consistent beneficial effects. However, CoQ10 may be recommended as adjuvant therapy in selected patients with CHE at this time, CoQ10 should not be recommended as monotherapy or first-line therapy in any disease state. Publication types: Review Review, tutorial PMID: 11444576 [PubMed - indexed for MEDLINE] 1: J Assoc physicians India 1998 Mar;46(3):299-306 Coenzyme Q in cardiovascular disease. Singh RB, Niaz MA, Rastogi V, Rastogi SS. Heart research laboratory, medical hospital and Research Centre, Moradabad, India. Coenzyme Q10 or ubiquinone normally present in many plant and animal cells is antioxidant. Coenzyme Q10 deficiency has been observed in patients with congestive heart failure, angina pectoris, coronary artery disease. cardiomyopathy, hypertension, mitral valve prolapse and after coronary revascularization. Coenzyme Q10 is involved in the synthesis of ATP and hence is useful in preventing cellular damage during ischaemia-reperfusion injury. The clinical benefits are mainly due to its ability to improve energy production, antioxidant activity and membrane stabilizing properties. Several studies showed that coenzyme Q could be useful in patients with congestive heart failure, angina pectoris, cardiomyopathy, coronary artery disease and in the preservation of myocardium. Coenzyme Q10 is normally present in the low density lipoprotein cholesterol fraction and inhibits its oxidation. It can so regenerate vitamin E. Coenzyme Q10 is known for producing minor gastrointestinal discomfort and elevation in SGOT and LDH when used. Publication types: Review Review, academic PMID: 11273351 [PubMed - indexed for MEDLINE]

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