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Coronary artery disease

Chelation therapy is a medical treatment that involves the administration of chelating agents, substances that bind to and remove heavy metals and minerals from the body. While chelation therapy is primarily used for the treatment of heavy metal poisoning, it has also been explored as a potential therapy for certain cardiovascular conditions, particularly coronary artery disease (CAD) and peripheral artery disease (PAD).

The rationale behind using chelation therapy for heart disease is based on several proposed mechanisms:

Removal of Heavy Metals: Chelating agents such as EDTA (ethylenediaminetetraacetic acid) have a high affinity for heavy metals such as lead, cadmium, and mercury. These metals can accumulate in arterial plaques and contribute to the progression of atherosclerosis, the underlying cause of CAD and PAD. By binding to these metals, chelating agents may help to remove them from arterial walls, potentially slowing the progression of atherosclerosis and reducing the risk of cardiovascular events such as heart attacks and strokes.

Reduction of Oxidative Stress: Some chelating agents possess antioxidant properties, meaning they can neutralize harmful free radicals and reduce oxidative stress in the body. Oxidative stress plays a key role in the development of atherosclerosis by promoting inflammation and damage to arterial walls. By reducing oxidative stress, chelation therapy may help to protect arteries from damage and inflammation, thereby reducing the risk of cardiovascular events.

Dissolution of Calcium Deposits: In addition to heavy metals, chelating agents such as EDTA can also bind to calcium ions. Calcium deposits are often found in atherosclerotic plaques and can contribute to arterial stiffness and narrowing. Chelation therapy may help to dissolve these calcium deposits, potentially improving arterial elasticity and blood flow.

Anti-inflammatory Effects: Chelation therapy has been proposed to have anti-inflammatory effects, which could help to reduce inflammation in arterial walls and stabilize atherosclerotic plaques. By reducing inflammation, chelation therapy may help to prevent the rupture of plaques and the formation of blood clots, which can lead to heart attacks and strokes.

While these proposed mechanisms suggest the potential benefits of chelation therapy for heart disease, the scientific evidence supporting its efficacy remains mixed. The Trial to Assess Chelation Therapy (TACT), a large-scale clinical trial, found a modest reduction in cardiovascular events among patients with a history of heart attack who received chelation therapy compared to placebo. However, further research is needed to confirm these findings and identify the most appropriate candidates for chelation therapy.

As with any medical treatment, chelation therapy should only be administered under the supervision of a qualified healthcare professional, and its risks and benefits should be carefully weighed for each individual patient. Additional research is necessary to better understand the role of chelation therapy in the management of heart disease and to determine its optimal use in clinical

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