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Cardiovascular agents are drugs that affect the rate and intensity of cardiac contraction, blood vessel diameters, blood volume, blood clotting and blood cholesterol levels. [1] They are indicated to treat diseases related to the heart or the vascular system (blood vessels), such as hypertension , hyperlipidemia , coagulation disorders , heart ...
An anticoagulant, commonly known as a blood thinner, is a chemical substance that prevents or reduces the coagulation of blood, prolonging the clotting time. [1] Some occur naturally in blood-eating animals, such as leeches and mosquitoes , which help keep the bite area unclotted long enough for the animal to obtain blood.
The anticonvulsant drug, lamotrigine, has been associated with a decrease in white blood cell count. [2] The FDA monograph for metronidazole states that this medication can also cause leukopenia, and the prescriber information suggests a complete blood count, including differential cell count, before and after, in particular, high-dose therapy. [3]
Warfarin is indicated for the prophylaxis and treatment of venous thrombosis and its extension, pulmonary embolism; [9] prophylaxis and treatment of thromboembolic complications associated with atrial fibrillation and/or cardiac valve replacement; [9] and reduction in the risk of death, recurrent myocardial infarction, and thromboembolic events such as stroke or systemic embolization after ...
[1] [2] Antithrombotics can be used therapeutically for prevention (primary prevention, secondary prevention) or treatment of a dangerous blood clot (acute thrombus). In the U.S., the American College of Chest Physicians publishes clinical guidelines for clinicians for the use of these drugs to treat and prevent a variety of diseases.
By increasing cAMP levels, these medications cause the smooth muscles to relax. [34] This relaxation has a significant benefit in our blood vessels as it leads to vasodilation, which means the blood vessels widen. [34] [35] Vasodilation helps to reduce resistance against blood flow, allowing for better circulation throughout the body. [36]
Long-term exposure to colchicine can lead to toxicity, particularly of the bone marrow, kidney, and nerves. Effects of long-term colchicine toxicity include agranulocytosis, thrombocytopenia, low white blood cell counts, aplastic anemia, alopecia, rash, purpura, vesicular dermatitis, kidney damage, anuria, peripheral neuropathy, and myopathy. [41]
An alternative approach, more commonly used in the United Kingdom, is to combine the buffy coats (the fraction of blood containing white blood cells) from multiple routine blood donations to create a blood product containing a high amount of granulocytes. [12] Once collected, granulocytes have a 24-hour shelf life. [12]