New research suggests that chelation therapy may prevent other heart conditions in individuals with a previous heart attack.
Chelation generally refers to the use of any chemical in the blood to remove specific contaminants or toxins. Ethylenediaminetetraacetic acid (EDTA) is the most common substance used for chelation. EDTA chelation was first used in the 1940s for lead poisoning. There is theoretical rationale for EDTA chelation with cardiovascular disease, namely by the removal of calcium from the cardiovascular tissues and plaque. However, there is insufficient data to support this use.
The recent study enrolled 1708 individuals with a history of heart attack. Most participants were obese, had high blood pressure and high cholesterol. Participants were divided into an experimental group and a control group. The experimental group received 500 milliliters of a chelation solution intravenously, consisting of EDTA, vitamin B and vitamin C. The control group received 500 milliliters of a placebo solution intravenously, consisting of salt and sugar. Both groups received the intravenous solution 40 times.
Compared to the control group, the chelation group had fewer cardiovascular events, which included heart attack, stroke, coronary revascularization, hospitalization and death. Patients with diabetes showed a greater reduction in cardiovascular events from chelation therapy. Further research on this topic is still warranted.
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