Harmful Interactions National Institute on Alcohol Abuse and Alcoholism NIAAA

Numerous clinical observations support the notion that alcohol adversely affects the production and function of virtually all types of blood cells. Thus, alcohol is directly toxic to the bone marrow, which contains the precursors of all blood cells, as well as to the mature cells circulating in the bloodstream. Moreover, long-term excessive alcohol consumption can interfere with various physiological, biochemical, and metabolic processes involving the blood cells. These direct effects may be exacerbated by the presence of other alcohol-related disorders, such as liver disease and nutritional deficiencies. Abstinence can reverse many of alcohol’s effects on hematopoiesis and blood cell functioning. The associations between drinking and CV diseases such as hypertension, coronary heart disease, stroke, peripheral arterial disease, and cardiomyopathy have been studied extensively and are outlined in this review.

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• The proportion of cardiomyopathy cases attributable to alcohol abuse has ranged from 23 to 40 percent (Piano and Phillips 2014).
• Folic acid deficiency impairs RBC production and results from decreased ingestion, decreased absorption, and abnormal metabolism of folic acid.
• Some investigators have suggested that drinking wine may offer more protection against CV disease because it contains polyphenols, such as resveratrol and flavonoids, which are micronutrients with antioxidant activity (Tangney and Rasmussen 2013).

Many bone marrow abnormalities occurring in severe alcoholics affect the RBC precursor cells. These abnormalities most prominently include precursors containing fluid-filled cavities (i.e., vacuoles) or characteristic iron deposits. To detect blood disorders, physicians frequently examine small blood samples (known as blood smears) under a microscope and assess the appearance, size, and number of the various blood cells. Each type of blood cell has a characteristic appearance that allows its identification in blood samples. Moreover, the proportion of the different cell types in the blood is relatively constant.

Does Alcohol Affect Deep Vein Thrombosis?

To a lesser extent, vacuoles also develop in the granulocyte precursors of alcoholics. This finding is not specifically alcohol related, however, because other events that interfere with WBC production (e.g., infections) may induce similar structural changes in the granulocyte precursors. She said anyone can have a stroke, regardless of age, but there are lifestyle changes you can make to decrease your chances.

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Trait markers could help identify people at risk for alcoholism who could benefit most from early, targeted prevention and intervention approaches. These high-risk populations most prominently include first-degree relatives of alcoholics. Trait markers also could provide important research tools for evaluating the genetic and environmental factors that may predispose a person to alcoholism. All types of circulating blood cells develop from a pluripotent stem cell. Under the influence of certain proteins (i.e., growth factors), this stem cell multiplies and differentiates into increasingly committed precursor cells.

Short-term alcohol use can lead to high blood pressure and thinned blood because it hinders blood cells’ ability to clot. Long-term, excessive drinking can decrease your heart’s ability to function correctly. Blood thinners are drugs your doctor prescribes to prevent blood clots that can cause a heart attack or stroke. If your doctor has prescribed one of these medicines, it’s because you have heart disease or another condition that increases your risk for clots.

On the other hand, significant daily alcohol consumption increases platelet aggregation and reactivity. Although highly individualized and dose dependent, alcohol use also can increase bleeding time (i.e., taking longer to develop a clot)(Salem and Laposata 2005). Alcohol has numerous is alcohol a blood thinner adverse effects on the various types of blood cells and their functions. For example, heavy alcohol consumption can cause generalized suppression of blood cell production and the production of structurally abnormal blood cell precursors that cannot mature into functional cells.

Altered platelet responses (e.g., increased platelet activation/aggregation) leads to blood-clot formation (or thrombosis) in certain CV conditions. Anticlotting therapies are therefore the cornerstone of managing acute coronary syndromes. Not surprisingly, alcohol consumption has complex and varying effects on platelet function.

Through the process of oxidative phosphorylation, the mitochondria generate ~90 percent of cellular ATP. In cardiomyocyte mitochondria as well as other mitochondrial types, such imbalances could lead to further decreases in cellular respiration and oxidative phosphorylation. Some investigators have suggested that drinking wine may offer more protection against CV disease because it contains polyphenols, such as resveratrol and flavonoids, which are micronutrients with antioxidant activity (Tangney and Rasmussen 2013). However, among studies designed to examine the influence of beverage type, no differences have been found in CV disease outcomes or biologic markers, such as HDL-c (Mukamal et al. 2003a; Volcik et al. 2008). Differential associations of CV risk with certain beverage types such as wine instead have been attributable to other lifestyle factors (e.g., increased physical activity) or drinking with meals (Malarcher et al. 2001).

• Because blood samples are relatively easy to obtain, structural and functional changes in circulating blood cells and plasma proteins potentially can form the basis of laboratory tests for screening, diagnosing, and monitoring alcoholism.
• Recent research makes it clear that any amount of drinking can be detrimental.
• This in turn prevents the opening of the mitochondrial permeability transition pore (Walker et al. 2013).

Depending on whether a clot forms in an artery or vein, it may cause slightly different problems. “So specifically to stroke, when it happens, either a blood clot or a cholesterol plaque blocks blood flow to the brain,” said Crystal Lloyd, a nurse practitioner at Lake Regional Health System. What you should expect with this condition depends strongly on several factors.