Most Read Articles
Roshini Claire Anthony, 29 May 2020

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Thiamine supplementation does not improve LVEF in ambulatory HF patients

11 Dec 2019
Healthy people do not necessarily need to consume dietary supplements.

Supplementation with thiamine for 6 months has failed to enhance left ventricular ejection fraction (LVEF), quality of life or exercise capacity in ambulatory patients with heart failure (HF) and reduced LVEF despite improvement in thiamine concentrations, a study reveals.

“These findings do not support routine thiamine supplementation in the treatment of HF and reduced LVEF,” the authors said.

This prospective, multicentre, double-blind, placebo-controlled randomized trial included eligible ambulatory patients with HF and reduced LVEF recruited from four academic and community hospitals between 2010 and 2015. Sixty-nine patients (mean age, 64±12 years; 83 percent men; LVEF, 37±11 percent) were randomly assigned to receive either 200-mg oral thiamine mononitrate per day (n=35) or placebo (n=34) for 6 months.

The supplemented group had significantly higher erythrocyte thiamine pyrophosphate and urine thiamine concentrations than the placebo group at 6 months (p=0.02 and p<0.001, respectively).

After adjusting for baseline measurements, LVEF at 6 months was significantly higher in the placebo vs the thiamine group (38 percent, 95 percent confidence interval [CI], 36–39 percent vs 35 percent, 95 percent CI, 33–37 percent; p=0.047). No between-group differences were noted in Minnesota Living with Heart Failure score, distance walked in 6 minutes and N-terminal prohormone of brain natriuretic peptide concentrations.

Of note, one patient (2.9 percent) in the thiamine-supplemented group died at 6 months.

“Thiamine, a water-soluble B-complex vitamin, functions as a coenzyme in macronutrient oxidation and in the production of cellular ATP,” the authors said. “Data suggest that thiamine depletion occurs in HF. Therefore, thiamine supplementation in HF patients may improve cardiac function.”

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Most Read Articles
Roshini Claire Anthony, 29 May 2020

For coffee drinkers, drinking filtered coffee may be tied to a lower mortality risk, including cardiovascular disease (CVD)-related mortality, a study from Norway suggested.

05 Nov 2019
Low total cholesterol levels appear to carry increased major adverse cardiovascular events (MACE) hazard in older men without ischaemic heart disease (IHD) and not receiving statin therapy but not to those on statins, according to data from the CHAMP (Concord Health and Ageing in Men Project) cohort.
Elvira Manzano, 13 Apr 2020
A gout drug that’s been around for years reduced the risk of ischaemic cardiovascular (CV) events when given at a low dose in patients who had myocardial infarction (MI) and was cost-effective, an analysis of the COLCOT* trial has shown.
27 May 2020
Glycated haemoglobin (HbA1c) levels appear to be an independent predictor of coronary artery disease in patients with ST-elevation myocardial infarction, a new study has found.